[ONOS-4799],[ONOS-4351] Augment inter file linker and Generated Code refactored.

Change-Id: Id1f3ac9c90a632373f51cc75d499c3110216be17
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedTempFileType.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedTempFileType.java
index 2ffd282..87e4679 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedTempFileType.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedTempFileType.java
@@ -122,6 +122,11 @@
     public static final int EVENT_SUBJECT_SETTER_MASK = 524288;
 
     /**
+     * Event subject setter implementation of class.
+     */
+    public static final int AUGMENTE_CLASS_CONSTRUCTOR_MASK = 1048576;
+
+    /**
      * Creates an instance of generated temp file type.
      */
     private GeneratedTempFileType() {
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/JavaImportData.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/JavaImportData.java
index b1c36ec..3389659 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/JavaImportData.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/JavaImportData.java
@@ -21,10 +21,6 @@
 import java.util.TreeSet;
 
 import static org.onosproject.yangutils.utils.UtilConstants.ABSTRACT_EVENT;
-import static org.onosproject.yangutils.utils.UtilConstants.ARRAY_LIST;
-import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTATION_HOLDER_CLASS_IMPORT_CLASS;
-import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTED_INFO_CLASS_IMPORT_CLASS;
-import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTED_INFO_CLASS_IMPORT_PKG;
 import static org.onosproject.yangutils.utils.UtilConstants.COLLECTION_IMPORTS;
 import static org.onosproject.yangutils.utils.UtilConstants.EMPTY_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.EVENT_LISTENER;
@@ -40,9 +36,7 @@
 import static org.onosproject.yangutils.utils.UtilConstants.NEW_LINE;
 import static org.onosproject.yangutils.utils.UtilConstants.ONOS_EVENT_PKG;
 import static org.onosproject.yangutils.utils.UtilConstants.PERIOD;
-import static org.onosproject.yangutils.utils.UtilConstants.PROVIDED_AUGMENTATION_CLASS_IMPORT_PKG;
 import static org.onosproject.yangutils.utils.UtilConstants.SEMI_COLAN;
-
 import static java.util.Collections.sort;
 
 /**
@@ -220,33 +214,6 @@
     }
 
     /**
-     * Returns import for array list attribute.
-     *
-     * @return import for array list attribute
-     */
-    public String getImportForArrayList() {
-        return IMPORT + COLLECTION_IMPORTS + PERIOD + ARRAY_LIST + SEMI_COLAN + NEW_LINE;
-    }
-
-    /**
-     * Returns import string for AugmentationHolder class.
-     *
-     * @return import string for AugmentationHolder class
-     */
-    public String getAugmentationHolderImport() {
-        return IMPORT + PROVIDED_AUGMENTATION_CLASS_IMPORT_PKG + PERIOD + AUGMENTATION_HOLDER_CLASS_IMPORT_CLASS;
-    }
-
-    /**
-     * Returns import string for AugmentedInfo class.
-     *
-     * @return import string for AugmentedInfo class
-     */
-    public String getAugmentedInfoImport() {
-        return IMPORT + AUGMENTED_INFO_CLASS_IMPORT_PKG + PERIOD + AUGMENTED_INFO_CLASS_IMPORT_CLASS;
-    }
-
-    /**
      * Returns import string for ListenerService class.
      *
      * @return import string for ListenerService class
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaBeanFragmentFiles.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaBeanFragmentFiles.java
index 9ae2986..39ce34f 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaBeanFragmentFiles.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaBeanFragmentFiles.java
@@ -23,7 +23,7 @@
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.CONSTRUCTOR_IMPL_MASK;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getConstructor;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.closeFile;
+import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.closeFile;
 
 /**
  * Represents implementation of java bean code fragments temporary implementations.
@@ -88,7 +88,7 @@
      */
     private void addConstructor(JavaAttributeInfo attr, YangPluginConfig pluginConfig)
             throws IOException {
-        appendToFile(getConstructorImplTempFileHandle(), getConstructor(getGeneratedJavaClassName(), attr,
+        appendToFile(getConstructorImplTempFileHandle(), getConstructor(attr,
                 getGeneratedJavaFiles(), pluginConfig));
     }
 
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaEnumerationFragmentFiles.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaEnumerationFragmentFiles.java
index d383a43..09471cd 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaEnumerationFragmentFiles.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaEnumerationFragmentFiles.java
@@ -36,7 +36,7 @@
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGenerator.generateEnumClassFile;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getEnumJavaAttribute;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getPrefixForIdentifier;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.closeFile;
+import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.closeFile;
 import static org.onosproject.yangutils.utils.UtilConstants.EMPTY_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.REGEX_FOR_FIRST_DIGIT;
 import static org.onosproject.yangutils.utils.UtilConstants.YANG_AUTO_PREFIX;
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaFragmentFiles.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaFragmentFiles.java
index 03ace2a..bbc346d 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaFragmentFiles.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaFragmentFiles.java
@@ -29,6 +29,7 @@
 import org.onosproject.yangutils.datamodel.YangNode;
 import org.onosproject.yangutils.translator.exception.TranslatorException;
 import org.onosproject.yangutils.translator.tojava.javamodel.JavaLeafInfoContainer;
+import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaAugment;
 import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaGrouping;
 import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModule;
 import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaSubModule;
@@ -44,6 +45,7 @@
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.IMPL_CLASS_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.INTERFACE_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.ATTRIBUTES_MASK;
+import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.AUGMENTE_CLASS_CONSTRUCTOR_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.EQUALS_IMPL_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.FROM_STRING_IMPL_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.GETTER_FOR_CLASS_MASK;
@@ -63,10 +65,8 @@
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGenerator.generateImplClassFile;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGenerator.generateInterfaceFile;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getFileObject;
-import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
-import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
-import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getPackageDirPathFromJavaJPackage;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getRootPackage;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.createPackage;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getAugmentedConstructor;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getBuildString;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getDefaultConstructorString;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getEqualsMethod;
@@ -80,17 +80,13 @@
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getSetterString;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringMethod;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.parseBuilderInterfaceBuildMethodString;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.addArrayListImport;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.addAugmentationHoldersImport;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.addAugmentedInfoImport;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.closeFile;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.isAugmentationHolderExtended;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.isAugmentedInfoExtended;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.sortImports;
+import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.closeFile;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.sortImports;
 import static org.onosproject.yangutils.utils.UtilConstants.ACTIVATE;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER;
 import static org.onosproject.yangutils.utils.UtilConstants.COMPONENT;
 import static org.onosproject.yangutils.utils.UtilConstants.DEACTIVATE;
+import static org.onosproject.yangutils.utils.UtilConstants.DEFAULT;
 import static org.onosproject.yangutils.utils.UtilConstants.EMPTY_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.FOUR_SPACE_INDENTATION;
 import static org.onosproject.yangutils.utils.UtilConstants.IMPL;
@@ -104,12 +100,14 @@
 import static org.onosproject.yangutils.utils.UtilConstants.SEMI_COLAN;
 import static org.onosproject.yangutils.utils.UtilConstants.SERVICE;
 import static org.onosproject.yangutils.utils.UtilConstants.SLASH;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.createPackage;
 import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.readAppendFile;
-import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.GETTER_METHOD;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.OF_METHOD;
+import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getAbsolutePackagePath;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getPackageDirPathFromJavaJPackage;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.insertDataIntoJavaFile;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.mergeJavaFiles;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.validateLineLength;
@@ -227,6 +225,10 @@
     private static final String IMPL_CLASS_FILE_NAME_SUFFIX = IMPL;
 
     /**
+     * File name for augment copy constructor method.
+     */
+    private static final String AUGMENT_CONSTRUCTOR_FILE_NAME = "AugmentConstructor";
+    /**
      * Java file handle for interface file.
      */
     private File interfaceJavaFileHandle;
@@ -302,6 +304,11 @@
     private boolean isAttributePresent;
 
     /**
+     * Temporary file handle for augments copy constructor method of class.
+     */
+    private File augmentConstructorImplTempFileHandle;
+
+    /**
      * Retrieves the absolute path where the file needs to be generated.
      *
      * @return absolute path where the file needs to be generated
@@ -539,6 +546,7 @@
             addGeneratedTempFile(ATTRIBUTES_MASK);
             addGeneratedTempFile(GETTER_FOR_CLASS_MASK);
             addGeneratedTempFile(SETTER_FOR_CLASS_MASK);
+            addGeneratedTempFile(AUGMENTE_CLASS_CONSTRUCTOR_MASK);
         }
 
         /*
@@ -617,6 +625,9 @@
         if ((getGeneratedTempFiles() & FROM_STRING_IMPL_MASK) != 0) {
             setFromStringImplTempFileHandle(getTemporaryFileHandle(FROM_STRING_METHOD_FILE_NAME));
         }
+        if ((getGeneratedTempFiles() & AUGMENTE_CLASS_CONSTRUCTOR_MASK) != 0) {
+            setAugmentConstructorImplTempFileHandle(getTemporaryFileHandle(AUGMENT_CONSTRUCTOR_FILE_NAME));
+        }
 
     }
 
@@ -801,6 +812,24 @@
     }
 
     /**
+     * Returns augments copy constructor method impl class file.
+     *
+     * @return augments copy constructor method impl class file
+     */
+    public File getAugmentConstructorImplTempFileHandle() {
+        return augmentConstructorImplTempFileHandle;
+    }
+
+    /**
+     * Sets augments copy constructor method impl class.
+     *
+     * @param augmentConstructorImplTempFileHandle augments copy constructor method impl class file
+     */
+    public void setAugmentConstructorImplTempFileHandle(File augmentConstructorImplTempFileHandle) {
+        this.augmentConstructorImplTempFileHandle = augmentConstructorImplTempFileHandle;
+    }
+
+    /**
      * Adds attribute for class.
      *
      * @param attr             attribute info
@@ -966,13 +995,24 @@
      * @throws IOException when fails to append to temporary file
      */
     private void addFromStringMethod(JavaAttributeInfo javaAttributeInfo,
-            JavaAttributeInfo fromStringAttributeInfo)
+                                     JavaAttributeInfo fromStringAttributeInfo)
             throws IOException {
         appendToFile(getFromStringImplTempFileHandle(), getFromStringMethod(javaAttributeInfo,
                 fromStringAttributeInfo) + NEW_LINE);
     }
 
     /**
+     * Adds constructor for augment class.
+     *
+     * @param attr attribute info
+     * @throws IOException when fails to append to temporary file
+     */
+    private void addAugmentConstructor(JavaAttributeInfo attr, YangPluginConfig pluginConfig)
+            throws IOException {
+        appendToFile(getAugmentConstructorImplTempFileHandle(), getAugmentedConstructor(attr, pluginConfig));
+    }
+
+    /**
      * Returns a temporary file handle for the specific file type.
      *
      * @param fileName file name
@@ -981,7 +1021,7 @@
      */
     File getTemporaryFileHandle(String fileName)
             throws IOException {
-        String path = getTempDirPath();
+        String path = getTempDirPath(getAbsoluteDirPath());
         File dir = new File(path);
         if (!dir.exists()) {
             dir.mkdirs();
@@ -1011,13 +1051,14 @@
      * Returns data from the temporary files.
      *
      * @param file temporary file handle
+     * @param absolutePath absolute path
      * @return stored data from temporary files
      * @throws IOException when failed to get data from the given file
      */
-    public String getTemporaryDataFromFileHandle(File file)
+    public String getTemporaryDataFromFileHandle(File file, String absolutePath)
             throws IOException {
 
-        String path = getTempDirPath();
+        String path = getTempDirPath(absolutePath);
         if (new File(path + file.getName()).exists()) {
             return readAppendFile(path + file.getName(), EMPTY_STRING);
         } else {
@@ -1029,10 +1070,11 @@
     /**
      * Returns temporary directory path.
      *
+     * @param absolutePath absolute path
      * @return directory path
      */
-    String getTempDirPath() {
-        return getPackageDirPathFromJavaJPackage(getAbsoluteDirPath()) + SLASH + getGeneratedJavaClassName()
+    String getTempDirPath(String absolutePath) {
+        return getPackageDirPathFromJavaJPackage(absolutePath) + SLASH + getGeneratedJavaClassName()
                 + TEMP_FOLDER_NAME_SUFIX + SLASH;
     }
 
@@ -1084,7 +1126,7 @@
      * @throws IOException IO operation exception
      */
     public static void addCurNodeInfoInParentTempFile(YangNode curNode,
-            boolean isList, YangPluginConfig pluginConfig)
+                                                      boolean isList, YangPluginConfig pluginConfig)
             throws IOException {
         YangNode parent = getParentNodeInGenCode(curNode);
         if (!(parent instanceof JavaCodeGenerator)) {
@@ -1118,7 +1160,7 @@
      * @throws IOException IO operation exception
      */
     public static void addCurNodeAsAttributeInTargetTempFile(YangNode curNode,
-            YangPluginConfig pluginConfig, YangNode targetNode)
+                                                             YangPluginConfig pluginConfig, YangNode targetNode)
             throws IOException {
 
         if (!(targetNode instanceof JavaCodeGenerator)) {
@@ -1156,7 +1198,7 @@
      * files
      */
     public static JavaAttributeInfo getCurNodeAsAttributeInTarget(YangNode curNode,
-            YangNode targetNode, boolean isListNode) {
+                                                                  YangNode targetNode, boolean isListNode) {
         String curNodeName = ((JavaFileInfoContainer) curNode).getJavaFileInfo().getJavaName();
         if (curNodeName == null) {
             updateJavaFileInfo(curNode, null);
@@ -1179,11 +1221,11 @@
         boolean isQualified;
         if ((targetNode instanceof YangJavaModule || targetNode instanceof YangJavaSubModule)
                 && (qualifiedTypeInfo.getClassInfo().contentEquals(SERVICE)
-                        || qualifiedTypeInfo.getClassInfo().contentEquals(COMPONENT)
-                        || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(ACTIVATE))
-                        || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(DEACTIVATE))
-                        || qualifiedTypeInfo.getClassInfo().contentEquals(REFERENCE_CARDINALITY)
-                        || qualifiedTypeInfo.getClassInfo().contentEquals(REFERENCE))
+                || qualifiedTypeInfo.getClassInfo().contentEquals(COMPONENT)
+                || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(ACTIVATE))
+                || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(DEACTIVATE))
+                || qualifiedTypeInfo.getClassInfo().contentEquals(REFERENCE_CARDINALITY)
+                || qualifiedTypeInfo.getClassInfo().contentEquals(REFERENCE))
                 || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(fileInfo.getJavaName() + SERVICE))
                 || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(fileInfo.getJavaName() + MANAGER))) {
 
@@ -1208,63 +1250,6 @@
     }
 
     /**
-     * Resolves groupings java qualified info.
-     *
-     * @param curNode      grouping node
-     * @param pluginConfig plugin configurations
-     * @return groupings java qualified info
-     */
-    public static JavaQualifiedTypeInfo resolveGroupingsQuailifiedInfo(YangNode curNode,
-            YangPluginConfig pluginConfig) {
-
-        JavaFileInfo groupingFileInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
-        JavaQualifiedTypeInfo qualifiedTypeInfo = new JavaQualifiedTypeInfo();
-        if (groupingFileInfo.getPackage() == null) {
-            List<String> parentNames = new ArrayList<>();
-
-            YangNode tempNode = curNode.getParent();
-            YangNode groupingSuperParent = null;
-            while (tempNode != null) {
-                parentNames.add(tempNode.getName());
-                groupingSuperParent = tempNode;
-                tempNode = tempNode.getParent();
-            }
-
-            String pkg = null;
-            JavaFileInfo parentInfo = ((JavaFileInfoContainer) groupingSuperParent).getJavaFileInfo();
-            if (parentInfo.getPackage() == null) {
-                if (groupingSuperParent instanceof YangJavaModule) {
-                    YangJavaModule module = (YangJavaModule) groupingSuperParent;
-                    String modulePkg = getRootPackage(module.getVersion(), module.getNameSpace().getUri(), module
-                            .getRevision().getRevDate(), pluginConfig.getConflictResolver());
-                    pkg = modulePkg;
-                } else if (groupingSuperParent instanceof YangJavaSubModule) {
-                    YangJavaSubModule submodule = (YangJavaSubModule) groupingSuperParent;
-                    String subModulePkg = getRootPackage(submodule.getVersion(),
-                            submodule.getNameSpaceFromModule(submodule.getBelongsTo()),
-                            submodule.getRevision().getRevDate(), pluginConfig.getConflictResolver());
-                    pkg = subModulePkg;
-                }
-            } else {
-                pkg = parentInfo.getPackage();
-            }
-            for (String name : parentNames) {
-                pkg = pkg + PERIOD + getCamelCase(name, pluginConfig.getConflictResolver());
-            }
-
-            qualifiedTypeInfo.setPkgInfo(pkg.toLowerCase());
-            qualifiedTypeInfo.setClassInfo(
-                    getCapitalCase(getCamelCase(curNode.getName(), pluginConfig.getConflictResolver())));
-            return qualifiedTypeInfo;
-
-        } else {
-            qualifiedTypeInfo.setPkgInfo(groupingFileInfo.getPackage().toLowerCase());
-            qualifiedTypeInfo.setClassInfo(getCapitalCase(groupingFileInfo.getJavaName()));
-            return qualifiedTypeInfo;
-        }
-    }
-
-    /**
      * Returns interface fragment files for node.
      *
      * @param node YANG node
@@ -1308,7 +1293,7 @@
 
         ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
                 .getBeanTempFiles().getJavaImportData().addImportInfo(caseImportInfo,
-                        getCapitalCase(fileInfo.getJavaName()), fileInfo.getPackage());
+                getCapitalCase(fileInfo.getJavaName()), fileInfo.getPackage());
     }
 
     /**
@@ -1319,28 +1304,40 @@
      * @throws IOException IO operation fail
      */
     public void addLeavesInfoToTempFiles(List<YangLeaf> listOfLeaves,
-            YangPluginConfig yangPluginConfig)
+                                         YangPluginConfig yangPluginConfig)
             throws IOException {
         if (listOfLeaves != null) {
             for (YangLeaf leaf : listOfLeaves) {
                 if (!(leaf instanceof JavaLeafInfoContainer)) {
                     throw new TranslatorException("Leaf does not have java information");
                 }
-                JavaLeafInfoContainer javaLeaf = (JavaLeafInfoContainer) leaf;
-                javaLeaf.setConflictResolveConfig(yangPluginConfig.getConflictResolver());
-                javaLeaf.updateJavaQualifiedInfo();
-                JavaAttributeInfo javaAttributeInfo = getAttributeInfoForTheData(
-                        javaLeaf.getJavaQualifiedInfo(),
-                        javaLeaf.getJavaName(yangPluginConfig.getConflictResolver()),
-                        javaLeaf.getDataType(),
-                        getIsQualifiedAccessOrAddToImportList(javaLeaf.getJavaQualifiedInfo()),
-                        false);
-                addJavaSnippetInfoToApplicableTempFiles(javaAttributeInfo, yangPluginConfig);
+                addJavaSnippetInfoToApplicableTempFiles(getJavaAttributeOfLeaf(leaf, yangPluginConfig),
+                        yangPluginConfig);
             }
         }
     }
 
     /**
+     * Returns java attribute for leaf.
+     *
+     * @param leaf             YANG leaf
+     * @param yangPluginConfig plugin configurations
+     * @return java attribute for leaf
+     */
+    private JavaAttributeInfo getJavaAttributeOfLeaf(YangLeaf leaf,
+                                                     YangPluginConfig yangPluginConfig) {
+        JavaLeafInfoContainer javaLeaf = (JavaLeafInfoContainer) leaf;
+        javaLeaf.setConflictResolveConfig(yangPluginConfig.getConflictResolver());
+        javaLeaf.updateJavaQualifiedInfo();
+        return getAttributeInfoForTheData(
+                javaLeaf.getJavaQualifiedInfo(),
+                javaLeaf.getJavaName(yangPluginConfig.getConflictResolver()),
+                javaLeaf.getDataType(),
+                getIsQualifiedAccessOrAddToImportList(javaLeaf.getJavaQualifiedInfo()),
+                false);
+    }
+
+    /**
      * Adds leaf list's attributes in generated files.
      *
      * @param listOfLeafList   list of YANG leaves
@@ -1354,22 +1351,33 @@
                 if (!(leafList instanceof JavaLeafInfoContainer)) {
                     throw new TranslatorException("Leaf-list does not have java information");
                 }
-                JavaLeafInfoContainer javaLeaf = (JavaLeafInfoContainer) leafList;
-                javaLeaf.setConflictResolveConfig(yangPluginConfig.getConflictResolver());
-                javaLeaf.updateJavaQualifiedInfo();
-                getJavaImportData().setIfListImported(true);
-                JavaAttributeInfo javaAttributeInfo = getAttributeInfoForTheData(
-                        javaLeaf.getJavaQualifiedInfo(),
-                        javaLeaf.getJavaName(yangPluginConfig.getConflictResolver()),
-                        javaLeaf.getDataType(),
-                        getIsQualifiedAccessOrAddToImportList(javaLeaf.getJavaQualifiedInfo()),
-                        true);
-                addJavaSnippetInfoToApplicableTempFiles(javaAttributeInfo, yangPluginConfig);
+                addJavaSnippetInfoToApplicableTempFiles(getJavaAttributeOfLeafList(leafList, yangPluginConfig),
+                        yangPluginConfig);
             }
         }
     }
 
     /**
+     * Returns java attribute for leaf-list.
+     *
+     * @param leafList         YANG leaf-list
+     * @param yangPluginConfig plugin configurations
+     * @return java attribute for leaf-list
+     */
+    private JavaAttributeInfo getJavaAttributeOfLeafList(YangLeafList leafList, YangPluginConfig yangPluginConfig) {
+        JavaLeafInfoContainer javaLeaf = (JavaLeafInfoContainer) leafList;
+        javaLeaf.setConflictResolveConfig(yangPluginConfig.getConflictResolver());
+        javaLeaf.updateJavaQualifiedInfo();
+        getJavaImportData().setIfListImported(true);
+        return getAttributeInfoForTheData(
+                javaLeaf.getJavaQualifiedInfo(),
+                javaLeaf.getJavaName(yangPluginConfig.getConflictResolver()),
+                javaLeaf.getDataType(),
+                getIsQualifiedAccessOrAddToImportList(javaLeaf.getJavaQualifiedInfo()),
+                true);
+    }
+
+    /**
      * Adds all the leaves in the current data model node as part of the
      * generated temporary file.
      *
@@ -1378,7 +1386,7 @@
      * @throws IOException IO operation fail
      */
     public void addCurNodeLeavesInfoToTempFiles(YangNode curNode,
-            YangPluginConfig yangPluginConfig)
+                                                YangPluginConfig yangPluginConfig)
             throws IOException {
         if (!(curNode instanceof YangLeavesHolder)) {
             throw new TranslatorException("Data model node does not have any leaves");
@@ -1455,6 +1463,15 @@
     }
 
     /**
+     * Returns java class name.
+     *
+     * @return java class name
+     */
+    String getImplClassName() {
+        return getCapitalCase(DEFAULT) + getCapitalCase(getJavaFileInfo().getJavaName());
+    }
+
+    /**
      * Returns the directory path.
      *
      * @return directory path
@@ -1475,6 +1492,8 @@
         List<String> imports = new ArrayList<>();
         imports = getJavaImportData().getImports();
 
+        JavaFileInfo curInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
+
         createPackage(curNode);
 
         /*
@@ -1505,50 +1524,50 @@
                 validateLineLength(getInterfaceJavaFileHandle());
             }
             insertDataIntoJavaFile(getInterfaceJavaFileHandle(), getJavaClassDefClose());
-            if (isAugmentationHolderExtended(getJavaExtendsListHolder().getExtendsList())) {
-                addAugmentationHoldersImport(curNode, imports, false);
-            }
-            if (isAugmentedInfoExtended(getJavaExtendsListHolder().getExtendsList())) {
-                addAugmentedInfoImport(curNode, imports, false);
-            }
+
             if (curNode instanceof YangCase) {
                 removeCaseImport(imports);
             }
+            if (curNode instanceof YangJavaAugment) {
+                updateAugmentConstructorTempFile(curNode, curInfo.getPluginConfig());
+                YangJavaAugment augment = (YangJavaAugment) curNode;
+                List<JavaQualifiedTypeInfo> infoList = augment.getExtendedClassInfo();
+                for (JavaQualifiedTypeInfo info : infoList) {
+                    if (info.getClassInfo()
+                            .equals(getCapitalCase(getCamelCase(augment.getAugmentedNode().getName(), null)))) {
+                        removeAugmentedImport(imports, info);
+                    }
+
+                }
+            }
         }
         if ((fileType & BUILDER_CLASS_MASK) != 0 || (fileType & IMPL_CLASS_MASK) != 0) {
             if (isAttributePresent()) {
                 addImportsToStringAndHasCodeMethods(curNode, imports);
             }
-            if (isAugmentationHolderExtended(getJavaExtendsListHolder().getExtendsList())) {
-                addAugmentedInfoImport(curNode, imports, true);
-                addArrayListImport(curNode, imports, true);
-            }
             sortImports(imports);
             /*
-             * Create builder class file.
-             */
-            setBuilderClassJavaFileHandle(getJavaFileHandle(getJavaClassName(BUILDER_CLASS_FILE_NAME_SUFFIX)));
-            setBuilderClassJavaFileHandle(
-                    generateBuilderClassFile(getBuilderClassJavaFileHandle(), imports, curNode,
-                            isAttributePresent()));
-            /*
              * Create impl class file.
              */
-            if ((fileType & IMPL_CLASS_MASK) != 0) {
-                setImplClassJavaFileHandle(getJavaFileHandle(getJavaClassName(IMPL_CLASS_FILE_NAME_SUFFIX)));
-                setImplClassJavaFileHandle(
-                        generateImplClassFile(getImplClassJavaFileHandle(), curNode, isAttributePresent()));
+            setImplClassJavaFileHandle(getJavaFileHandle(getImplClassName()));
+            setImplClassJavaFileHandle(
+                    generateImplClassFile(getImplClassJavaFileHandle(), curNode, isAttributePresent(), imports));
+
+            /*
+             * Create builder class file.
+             */
+            if ((fileType & BUILDER_CLASS_MASK) != 0) {
+                setBuilderClassJavaFileHandle(getJavaFileHandle(getJavaClassName(BUILDER_CLASS_FILE_NAME_SUFFIX)));
+                setBuilderClassJavaFileHandle(
+                        generateBuilderClassFile(getBuilderClassJavaFileHandle(), curNode,
+                                isAttributePresent()));
                 /*
                  * Append impl class to builder class and close it.
                  */
-                mergeJavaFiles(getImplClassJavaFileHandle(), getBuilderClassJavaFileHandle());
-                validateLineLength(getBuilderClassJavaFileHandle());
+                mergeJavaFiles(getBuilderClassJavaFileHandle(), getImplClassJavaFileHandle());
+                validateLineLength(getImplClassJavaFileHandle());
             }
-            insertDataIntoJavaFile(getBuilderClassJavaFileHandle(), getJavaClassDefClose());
-            if (isAugmentationHolderExtended(getJavaExtendsListHolder().getExtendsList())) {
-                addAugmentedInfoImport(curNode, imports, false);
-                addArrayListImport(curNode, imports, false);
-            }
+            insertDataIntoJavaFile(getImplClassJavaFileHandle(), getJavaClassDefClose());
         }
         /*
          * Close all the file handles.
@@ -1557,6 +1576,47 @@
     }
 
     /**
+     * Updates augment constructor temp file.
+     *
+     * @param curNode      current augment node
+     * @param pluginConfig plugin configurations
+     * @throws IOException when fails to do IO operations
+     */
+    private void updateAugmentConstructorTempFile(YangNode curNode, YangPluginConfig pluginConfig)
+            throws IOException {
+        YangJavaAugment augment = (YangJavaAugment) curNode;
+
+        YangNode augmentedNode = augment.getAugmentedNode();
+        if (augmentedNode instanceof YangLeavesHolder) {
+            YangLeavesHolder holder = (YangLeavesHolder) augmentedNode;
+            if (holder.getListOfLeaf() != null) {
+                for (YangLeaf leaf : holder.getListOfLeaf()) {
+                    addAugmentConstructor(getJavaAttributeOfLeaf(leaf,
+                            pluginConfig), pluginConfig);
+                }
+
+            }
+            if (holder.getListOfLeafList() != null) {
+                for (YangLeafList leafList : holder.getListOfLeafList()) {
+                    addAugmentConstructor(getJavaAttributeOfLeafList(leafList,
+                            pluginConfig), pluginConfig);
+                }
+
+            }
+        }
+        augmentedNode = augmentedNode.getChild();
+        boolean isList = false;
+        while (augmentedNode != null) {
+            if (augmentedNode instanceof YangList) {
+                isList = true;
+            }
+            addAugmentConstructor(getCurNodeAsAttributeInTarget(augmentedNode, augment, isList), pluginConfig);
+            augmentedNode = augmentedNode.getNextSibling();
+        }
+
+    }
+
+    /**
      * Adds imports for ToString and HashCodeMethod.
      *
      * @param curNode current YANG node
@@ -1570,6 +1630,27 @@
     }
 
     /**
+     * Removes augmented node import info from import list.
+     *
+     * @param imports list of imports
+     * @return import for class
+     */
+    private List<String> removeAugmentedImport(List<String> imports, JavaQualifiedTypeInfo augmentedInfo) {
+        String augmentedNodeImport = null;
+        if (imports != null && augmentedInfo != null) {
+            augmentedNodeImport = IMPORT + augmentedInfo.getPkgInfo() + PERIOD + getCapitalCase(DEFAULT)
+                    + augmentedInfo.getClassInfo() + PERIOD + augmentedInfo.getClassInfo()
+                    + BUILDER + SEMI_COLAN + NEW_LINE;
+            imports.remove(augmentedNodeImport);
+            augmentedNodeImport = IMPORT + augmentedInfo.getPkgInfo() + PERIOD
+                    + augmentedInfo.getClassInfo() + PERIOD + augmentedInfo.getClassInfo()
+                    + BUILDER + SEMI_COLAN + NEW_LINE;
+            imports.remove(augmentedNodeImport);
+        }
+        return imports;
+    }
+
+    /**
      * Removes case import info from import list.
      *
      * @param imports list of imports
@@ -1602,13 +1683,13 @@
             closeFile(getInterfaceJavaFileHandle(), isError);
         }
         if ((getGeneratedJavaFiles() & BUILDER_CLASS_MASK) != 0) {
-            closeFile(getBuilderClassJavaFileHandle(), isError);
+            closeFile(getBuilderClassJavaFileHandle(), true);
         }
         if ((getGeneratedJavaFiles() & BUILDER_INTERFACE_MASK) != 0) {
             closeFile(getBuilderInterfaceJavaFileHandle(), true);
         }
         if ((getGeneratedJavaFiles() & IMPL_CLASS_MASK) != 0) {
-            closeFile(getImplClassJavaFileHandle(), true);
+            closeFile(getImplClassJavaFileHandle(), isError);
         }
 
         /*
@@ -1632,6 +1713,9 @@
         if ((getGeneratedTempFiles() & FROM_STRING_IMPL_MASK) != 0) {
             closeFile(getFromStringImplTempFileHandle(), true);
         }
+        if ((getGeneratedTempFiles() & AUGMENTE_CLASS_CONSTRUCTOR_MASK) != 0) {
+            closeFile(getAugmentConstructorImplTempFileHandle(), true);
+        }
     }
 
     /**
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaServiceFragmentFiles.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaServiceFragmentFiles.java
index e5a7308..9cbe1fc 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaServiceFragmentFiles.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaServiceFragmentFiles.java
@@ -27,7 +27,6 @@
 import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaSubModule;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
-import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_LISTENER_INTERFACE;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_SUBJECT_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.EVENT_ENUM_MASK;
@@ -54,9 +53,9 @@
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getRpcManagerMethod;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getRpcServiceMethod;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getSetterForClass;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.addAnnotationsImports;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.addListnersImport;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.closeFile;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.addAnnotationsImports;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.addListenersImport;
+import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.closeFile;
 import static org.onosproject.yangutils.utils.UtilConstants.COMMA;
 import static org.onosproject.yangutils.utils.UtilConstants.EMPTY_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.EVENT_STRING;
@@ -390,7 +389,7 @@
         }
 
         if (isNotification) {
-            addListnersImport(curNode, imports, true, LISTENER_SERVICE);
+            addListenersImport(curNode, imports, true, LISTENER_SERVICE);
         }
         /**
          * Creates rpc interface file.
@@ -399,8 +398,8 @@
         generateServiceInterfaceFile(getServiceInterfaceJavaFileHandle(), curNode, imports, isAttributePresent());
 
         if (isNotification) {
-            addListnersImport(curNode, imports, false, LISTENER_SERVICE);
-            addListnersImport(curNode, imports, true, LISTENER_REG);
+            addListenersImport(curNode, imports, false, LISTENER_SERVICE);
+            addListenersImport(curNode, imports, true, LISTENER_REG);
         }
         addAnnotationsImports(imports, true);
         /**
@@ -411,14 +410,14 @@
 
         insertDataIntoJavaFile(getManagerJavaFileHandle(), getJavaClassDefClose());
         if (isNotification) {
-            addListnersImport(curNode, imports, false, LISTENER_REG);
+            addListenersImport(curNode, imports, false, LISTENER_REG);
         }
         addAnnotationsImports(imports, false);
 
         if (isNotification) {
-            generateEventJavaFile(GENERATE_EVENT_CLASS, curNode);
+            generateEventJavaFile(curNode);
             generateEventListenerJavaFile(GENERATE_EVENT_LISTENER_INTERFACE, curNode);
-            generateEventSubjectJavaFile(GENERATE_EVENT_SUBJECT_CLASS, curNode);
+            generateEventSubjectJavaFile(curNode);
         }
 
         /**
@@ -478,11 +477,10 @@
     /**
      * Constructs java code exit.
      *
-     * @param fileType generated file type
      * @param curNode  current YANG node
      * @throws IOException when fails to generate java files
      */
-    public void generateEventJavaFile(int fileType, YangNode curNode)
+    public void generateEventJavaFile(YangNode curNode)
             throws IOException {
 
         List<String> imports = new ArrayList<>();
@@ -536,11 +534,10 @@
     /**
      * Constructs java code exit.
      *
-     * @param fileType generated file type
      * @param curNode  current YANG node
      * @throws IOException when fails to generate java files
      */
-    public void generateEventSubjectJavaFile(int fileType, YangNode curNode)
+    public void generateEventSubjectJavaFile(YangNode curNode)
             throws IOException {
 
         String curNodeInfo = getCapitalCase(((JavaFileInfoContainer) curNode)
@@ -778,7 +775,7 @@
     /**
      * Returns a temporary file handle for the event's file type.
      *
-     * @param fileName file name
+     * @param name file name
      * @return temporary file handle
      * @throws IOException when fails to create new file handle
      */
@@ -786,9 +783,10 @@
             throws IOException {
 
         JavaFileInfo parentInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
+        JavaFileInfo childInfo = ((JavaFileInfoContainer) curNode.getChild()).getJavaFileInfo();
 
         return getFileObject(getDirPath(parentInfo), name, JAVA_FILE_EXTENSION,
-                parentInfo);
+                childInfo);
     }
 
     /**
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaTypeFragmentFiles.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaTypeFragmentFiles.java
index 989ac0c..69c9b1d 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaTypeFragmentFiles.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaTypeFragmentFiles.java
@@ -39,7 +39,7 @@
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getOfMethodStringAndJavaDoc;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getTypeConstructorStringAndJavaDoc;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.closeFile;
+import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.closeFile;
 import static org.onosproject.yangutils.utils.UtilConstants.EMPTY_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.NEW_LINE;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.createPackage;
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaAugment.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaAugment.java
index cc54b24..ef185fa 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaAugment.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaAugment.java
@@ -16,17 +16,22 @@
 package org.onosproject.yangutils.translator.tojava.javamodel;
 
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
 
 import org.onosproject.yangutils.datamodel.YangAugment;
+import org.onosproject.yangutils.datamodel.YangNodeIdentifier;
 import org.onosproject.yangutils.translator.exception.TranslatorException;
 import org.onosproject.yangutils.translator.tojava.JavaCodeGenerator;
 import org.onosproject.yangutils.translator.tojava.JavaCodeGeneratorInfo;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
+import org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo;
 import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
 import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfAugmentableNode;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
 
 /**
  * Represents augment information extended to support java code generation.
@@ -38,11 +43,21 @@
     private static final long serialVersionUID = 806201632L;
 
     /**
+     * Prefix to be added to generated java file for augment node.
+     */
+    private static final String AUGMENTED = "Augmented";
+
+    /**
      * Contains the information of the java file being generated.
      */
     private JavaFileInfo javaFileInfo;
 
     /**
+     * TargetNodes java qualified info.
+     */
+    private List<JavaQualifiedTypeInfo> extendedClassInfo;
+
+    /**
      * File handle to maintain temporary java code fragments as per the code
      * snippet types.
      */
@@ -54,6 +69,7 @@
     public YangJavaAugment() {
         super();
         setJavaFileInfo(new JavaFileInfo());
+        setExtendedClassInfo(new ArrayList<>());
         getJavaFileInfo().setGeneratedFileTypes(GENERATE_INTERFACE_WITH_BUILDER);
     }
 
@@ -130,4 +146,46 @@
             throw new TranslatorException("Failed to generate code for augmentable node " + getName());
         }
     }
+
+    /**
+     * Returns augment class name.
+     *
+     * @return augment class name
+     */
+    public String getAugmentClassName() {
+        YangNodeIdentifier nodeId = getTargetNode().get(getTargetNode().size() - 1).getNodeIdentifier();
+        if (nodeId.getPrefix() != null) {
+            return AUGMENTED + getCapitalCase(nodeId.getPrefix()) + getCapitalCase(nodeId.getName());
+        } else {
+            return AUGMENTED + getCapitalCase(nodeId.getName());
+        }
+    }
+
+    /**
+     * Returns extended class info.
+     *
+     * @return extended class info
+     */
+    public List<JavaQualifiedTypeInfo> getExtendedClassInfo() {
+        return extendedClassInfo;
+    }
+
+    /**
+     * Sets extended class info.
+     *
+     * @param augmentedInfo  extended class info
+     */
+    private void setExtendedClassInfo(List<JavaQualifiedTypeInfo> augmentedInfo) {
+        extendedClassInfo = augmentedInfo;
+    }
+
+    /**
+     * Adds to extended class info list.
+     *
+     * @param augmentedInfo extended class info
+     */
+    public void addToExtendedClassInfo(JavaQualifiedTypeInfo augmentedInfo) {
+        getExtendedClassInfo().add(augmentedInfo);
+    }
+
 }
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaIdentity.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaIdentity.java
index ec0e637..a73a5b4 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaIdentity.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaIdentity.java
@@ -35,7 +35,7 @@
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getFileObject;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.initiateJavaFileGeneration;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.createPackage;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.closeFile;
+import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.closeFile;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
 
 /**
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaModelUtils.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaModelUtils.java
index 8687115..582b9b5 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaModelUtils.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaModelUtils.java
@@ -16,12 +16,18 @@
 
 package org.onosproject.yangutils.translator.tojava.javamodel;
 
+import java.io.File;
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
 import org.onosproject.yangutils.datamodel.RpcNotificationContainer;
 import org.onosproject.yangutils.datamodel.YangCase;
 import org.onosproject.yangutils.datamodel.YangChoice;
+import org.onosproject.yangutils.datamodel.YangGrouping;
 import org.onosproject.yangutils.datamodel.YangLeavesHolder;
 import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.YangTypeDef;
 import org.onosproject.yangutils.datamodel.YangTypeHolder;
 import org.onosproject.yangutils.datamodel.utils.DataModelUtils;
 import org.onosproject.yangutils.translator.exception.TranslatorException;
@@ -38,7 +44,12 @@
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_SUBJECT_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_SERVICE_AND_MANAGER;
 import static org.onosproject.yangutils.translator.tojava.TempJavaFragmentFiles.addCurNodeInfoInParentTempFile;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getRootPackage;
+import static org.onosproject.yangutils.utils.UtilConstants.BUILDER;
+import static org.onosproject.yangutils.utils.UtilConstants.DEFAULT;
+import static org.onosproject.yangutils.utils.UtilConstants.MANAGER;
 import static org.onosproject.yangutils.utils.UtilConstants.PERIOD;
+import static org.onosproject.yangutils.utils.UtilConstants.SERVICE;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getPackageDirPathFromJavaJPackage;
@@ -62,12 +73,17 @@
      * @throws IOException IO operations fails
      */
     public static void updatePackageInfo(JavaCodeGeneratorInfo javaCodeGeneratorInfo,
-            YangPluginConfig yangPluginConfig)
+                                         YangPluginConfig yangPluginConfig)
             throws IOException {
 
-        javaCodeGeneratorInfo.getJavaFileInfo()
-                .setJavaName(getCamelCase(((YangNode) javaCodeGeneratorInfo).getName(),
-                        yangPluginConfig.getConflictResolver()));
+        if (javaCodeGeneratorInfo instanceof YangJavaAugment) {
+            javaCodeGeneratorInfo.getJavaFileInfo()
+                    .setJavaName(((YangJavaAugment) javaCodeGeneratorInfo).getAugmentClassName());
+        } else {
+            javaCodeGeneratorInfo.getJavaFileInfo()
+                    .setJavaName(getCamelCase(((YangNode) javaCodeGeneratorInfo).getName(),
+                            yangPluginConfig.getConflictResolver()));
+        }
         javaCodeGeneratorInfo.getJavaFileInfo().setPackage(getCurNodePackage((YangNode) javaCodeGeneratorInfo));
         javaCodeGeneratorInfo.getJavaFileInfo().setPackageFilePath(
                 getPackageDirPathFromJavaJPackage(javaCodeGeneratorInfo.getJavaFileInfo().getPackage()));
@@ -83,15 +99,14 @@
      * @throws IOException IO operations fails
      */
     private static void updatePackageInfo(JavaCodeGeneratorInfo javaCodeGeneratorInfo, YangPluginConfig yangPlugin,
-            String pkg)
-            throws IOException {
+                                          String pkg) throws IOException {
         javaCodeGeneratorInfo.getJavaFileInfo()
                 .setJavaName(getCamelCase(((YangNode) javaCodeGeneratorInfo).getName(),
                         yangPlugin.getConflictResolver()));
         javaCodeGeneratorInfo.getJavaFileInfo().setPackage(pkg);
         javaCodeGeneratorInfo.getJavaFileInfo().setPackageFilePath(
                 getPackageDirPathFromJavaJPackage(javaCodeGeneratorInfo.getJavaFileInfo().getPackage()));
-        javaCodeGeneratorInfo.getJavaFileInfo().setBaseCodeGenPath(yangPlugin.getCodeGenDir());
+        javaCodeGeneratorInfo.getJavaFileInfo().setBaseCodeGenPath(yangPlugin.getManagerCodeGenDir());
         javaCodeGeneratorInfo.getJavaFileInfo().setPluginConfig(yangPlugin);
     }
 
@@ -114,7 +129,7 @@
      * @throws IOException IO operations fails
      */
     private static void updateTempFragmentFiles(JavaCodeGeneratorInfo javaCodeGeneratorInfo,
-            YangPluginConfig yangPluginConfig)
+                                                YangPluginConfig yangPluginConfig)
             throws IOException {
         if (javaCodeGeneratorInfo instanceof RpcNotificationContainer) {
             /*
@@ -174,7 +189,7 @@
      * @throws IOException IO operations fails
      */
     private static void generateTempFiles(JavaCodeGeneratorInfo javaCodeGeneratorInfo,
-            YangPluginConfig yangPluginConfig)
+                                          YangPluginConfig yangPluginConfig)
             throws IOException {
         if (!(javaCodeGeneratorInfo instanceof YangNode)) {
             throw new TranslatorException("translation is not supported for the node");
@@ -192,7 +207,7 @@
      * @throws IOException when fails to do IO operations
      */
     private static void updateNotificaitonNodeInfo(JavaCodeGeneratorInfo javaCodeGeneratorInfo,
-            YangPluginConfig yangPluginConfig)
+                                                   YangPluginConfig yangPluginConfig)
             throws IOException {
         if ((YangNode) javaCodeGeneratorInfo instanceof YangJavaModule) {
             for (YangNode notificaiton : ((YangJavaModule) javaCodeGeneratorInfo).getNotificationNodes()) {
@@ -220,7 +235,7 @@
      * @throws IOException IO operations fails
      */
     public static void generateCodeAndUpdateInParent(JavaCodeGeneratorInfo javaCodeGeneratorInfo,
-            YangPluginConfig yangPlugin, boolean isMultiInstance)
+                                                     YangPluginConfig yangPlugin, boolean isMultiInstance)
             throws IOException {
         if (!(javaCodeGeneratorInfo instanceof YangNode)) {
             throw new TranslatorException("Invalid node for translation");
@@ -245,7 +260,7 @@
      * @throws IOException IO operations fails
      */
     public static void generateCodeOfAugmentableNode(JavaCodeGeneratorInfo javaCodeGeneratorInfo,
-            YangPluginConfig yangPlugin)
+                                                     YangPluginConfig yangPlugin)
             throws IOException {
         if (!(javaCodeGeneratorInfo instanceof YangNode)) {
             throw new TranslatorException("invalid node for translation");
@@ -253,26 +268,44 @@
 
         generateCodeOfNode(javaCodeGeneratorInfo, yangPlugin);
 
-        /*
-        TODO: Need to use this, when augmentation is added in YMS
-         * For augmentation of nodes.
-
-        if (javaCodeGeneratorInfo instanceof YangAugmentationHolder) {
-            JavaQualifiedTypeInfo augmentationHoldersInfo = new JavaQualifiedTypeInfo();
-            augmentationHoldersInfo.setClassInfo(AUGMENTATION_HOLDER);
-            augmentationHoldersInfo.setPkgInfo(PROVIDED_AUGMENTATION_CLASS_IMPORT_PKG);
+        if (javaCodeGeneratorInfo instanceof YangJavaAugment) {
+            JavaQualifiedTypeInfo augmentedBuilderInfo = new JavaQualifiedTypeInfo();
+            JavaQualifiedTypeInfo augmentedBuilderClassInfo = new JavaQualifiedTypeInfo();
+            JavaQualifiedTypeInfo augmentedClassInfo = new JavaQualifiedTypeInfo();
+            JavaQualifiedTypeInfo augmentedImplInfo = new JavaQualifiedTypeInfo();
+            YangNode augmentedNode = ((YangJavaAugment) javaCodeGeneratorInfo).getAugmentedNode();
+            String name = null;
+            JavaFileInfo augmentedfileInfo = ((JavaFileInfoContainer) augmentedNode).getJavaFileInfo();
+            if (augmentedfileInfo.getJavaName() != null) {
+                name = getCapitalCase(augmentedfileInfo.getJavaName());
+                augmentedClassInfo.setClassInfo(name);
+                augmentedClassInfo.setPkgInfo(augmentedfileInfo.getPackage());
+            } else {
+                name = getCapitalCase(getCamelCase(augmentedNode.getName(), yangPlugin.getConflictResolver()));
+                augmentedClassInfo.setClassInfo(name);
+                augmentedClassInfo.setPkgInfo(getAugmentedNodesPackage(augmentedNode, yangPlugin));
+            }
+            augmentedBuilderInfo.setClassInfo(name + PERIOD + name + BUILDER);
+            augmentedBuilderInfo.setPkgInfo(augmentedClassInfo.getPkgInfo());
+            augmentedBuilderClassInfo.setClassInfo(getCapitalCase(DEFAULT) + name + PERIOD + name + BUILDER);
+            augmentedBuilderClassInfo.setPkgInfo(augmentedClassInfo.getPkgInfo());
+            augmentedImplInfo.setClassInfo(getCapitalCase(DEFAULT) + name);
+            augmentedImplInfo.setPkgInfo(augmentedBuilderInfo.getPkgInfo());
+            ((YangJavaAugment) javaCodeGeneratorInfo).addToExtendedClassInfo(augmentedBuilderInfo);
+            ((YangJavaAugment) javaCodeGeneratorInfo).addToExtendedClassInfo(augmentedImplInfo);
+            ((YangJavaAugment) javaCodeGeneratorInfo).addToExtendedClassInfo(augmentedBuilderClassInfo);
+            ((YangJavaAugment) javaCodeGeneratorInfo).addToExtendedClassInfo(augmentedClassInfo);
             javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles().getBeanTempFiles().getJavaExtendsListHolder()
-                    .addToExtendsList(augmentationHoldersInfo, (YangNode) javaCodeGeneratorInfo);
-
-        } else if (javaCodeGeneratorInfo instanceof YangAugment) {
-            JavaQualifiedTypeInfo augmentedInfo = new JavaQualifiedTypeInfo();
-            augmentedInfo.setClassInfo(AUGMENTED_INFO);
-            augmentedInfo.setPkgInfo(PROVIDED_AUGMENTATION_CLASS_IMPORT_PKG);
+                    .addToExtendsList(augmentedClassInfo, (YangNode) javaCodeGeneratorInfo);
             javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles().getBeanTempFiles().getJavaExtendsListHolder()
-                    .addToExtendsList(augmentedInfo, (YangNode) javaCodeGeneratorInfo);
+                    .addToExtendsList(augmentedBuilderInfo, (YangNode) javaCodeGeneratorInfo);
+            javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles().getBeanTempFiles().getJavaExtendsListHolder()
+                    .addToExtendsList(augmentedImplInfo, (YangNode) javaCodeGeneratorInfo);
+            javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles().getBeanTempFiles().getJavaExtendsListHolder()
+                    .addToExtendsList(augmentedBuilderClassInfo, (YangNode) javaCodeGeneratorInfo);
 
         }
-        */
+
         if (javaCodeGeneratorInfo instanceof YangCase) {
             YangNode parent = ((YangCase) javaCodeGeneratorInfo).getParent();
             JavaQualifiedTypeInfo parentsInfo = new JavaQualifiedTypeInfo();
@@ -289,6 +322,45 @@
         }
     }
 
+    private static String getAugmentedNodesPackage(YangNode node, YangPluginConfig yangPluginConfig) {
+
+        List<String> clsInfo = new ArrayList<>();
+        node = node.getParent();
+        while (node != null) {
+            if (!(node instanceof YangJavaModule)
+                    || !(node instanceof YangJavaSubModule)) {
+                if (node instanceof YangJavaAugment) {
+                    clsInfo.add(((YangJavaAugment) node).getAugmentClassName());
+                } else {
+                    clsInfo.add(getCamelCase(node.getName(), yangPluginConfig.getConflictResolver()));
+                }
+            }
+            if (node instanceof YangJavaModule
+                    || node instanceof YangJavaSubModule) {
+                break;
+            }
+            node = node.getParent();
+        }
+
+        StringBuilder pkg = new StringBuilder();
+        if (node instanceof YangJavaModule) {
+            YangJavaModule module = (YangJavaModule) node;
+            pkg.append(getRootPackage(module.getVersion(), module.getNameSpace().getUri(), module
+                    .getRevision().getRevDate(), yangPluginConfig.getConflictResolver()));
+        } else if (node instanceof YangJavaSubModule) {
+            YangJavaSubModule submodule = (YangJavaSubModule) node;
+            pkg.append(getRootPackage(submodule.getVersion(),
+                    submodule.getNameSpaceFromModule(submodule.getBelongsTo()),
+                    submodule.getRevision().getRevDate(), yangPluginConfig.getConflictResolver()));
+        }
+        for (int i = 1; i <= clsInfo.size(); i++) {
+            pkg.append("." + clsInfo.get(clsInfo.size() - i));
+        }
+
+        return pkg.toString().toLowerCase();
+
+    }
+
     /**
      * Generates code for the current data model node.
      *
@@ -297,7 +369,7 @@
      * @throws IOException IO operations fails
      */
     public static void generateCodeOfNode(JavaCodeGeneratorInfo javaCodeGeneratorInfo,
-            YangPluginConfig yangPluginConfig)
+                                          YangPluginConfig yangPluginConfig)
             throws IOException {
         if (!(javaCodeGeneratorInfo instanceof YangNode)) {
             throw new TranslatorException("invalid node for translation");
@@ -370,4 +442,44 @@
         pkg = parentJavaFileHandle.getPackage() + PERIOD + parentJavaFileHandle.getJavaName();
         return pkg.toLowerCase();
     }
+
+    /**
+     * Returns true if root node contains any data node.
+     *
+     * @param node root YANG node
+     * @return true if root node contains any data node
+     */
+    public static boolean isManagerCodeGenRequired(YangNode node) {
+        YangLeavesHolder holder = (YangLeavesHolder) node;
+
+        if (holder.getListOfLeaf() != null && !holder.getListOfLeaf().isEmpty()) {
+            return true;
+        } else if (holder.getListOfLeafList() != null && !holder.getListOfLeafList().isEmpty()) {
+            return true;
+        }
+        node = node.getChild();
+        return node != null && !(node instanceof YangTypeDef) && !(node instanceof YangGrouping);
+    }
+
+    /**
+     * Return false if files are already present.
+     *
+     * @param info java file info
+     * @return false if files already present
+     */
+    public static boolean isGenerationOfCodeReq(JavaFileInfo info) {
+        File codeGenDir = new File(info.getBaseCodeGenPath()
+                + info.getPackageFilePath());
+        File[] files = codeGenDir.listFiles();
+        if (files.length >= 1) {
+            for (File file : files) {
+                if (file.getName().contentEquals(getCapitalCase(info.getJavaName() + MANAGER + ".java"))
+                        || file.getName().contentEquals(getCapitalCase(info.getJavaName() + SERVICE + ".java"))) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+
 }
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaModule.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaModule.java
index b53ec92..10cf879 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaModule.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaModule.java
@@ -33,8 +33,10 @@
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_LISTENER_INTERFACE;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_SUBJECT_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_SERVICE_AND_MANAGER;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getRootPackage;
 import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfRootNode;
+import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.isManagerCodeGenRequired;
+import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.isGenerationOfCodeReq;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getRootPackage;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.searchAndDeleteTempDir;
 
 /**
@@ -60,7 +62,7 @@
     /**
      * List of notifications nodes.
      */
-    private List<YangNode> notificationNodes;
+    private transient List<YangNode> notificationNodes;
 
     /**
      * Creates a YANG node of module type.
@@ -153,10 +155,15 @@
          *
          * The manager class needs to extend the "ListenerRegistry".
          */
+
         try {
-            getTempJavaCodeFragmentFiles().generateJavaFile(GENERATE_SERVICE_AND_MANAGER, this);
+            if (isManagerCodeGenRequired(this) && isGenerationOfCodeReq(getJavaFileInfo())) {
+                getTempJavaCodeFragmentFiles().generateJavaFile(GENERATE_SERVICE_AND_MANAGER, this);
+            }
             searchAndDeleteTempDir(getJavaFileInfo().getBaseCodeGenPath() +
                     getJavaFileInfo().getPackageFilePath());
+            searchAndDeleteTempDir(getJavaFileInfo().getPluginConfig().getCodeGenDir() +
+                    getJavaFileInfo().getPackageFilePath());
         } catch (IOException e) {
             throw new TranslatorException("Failed to generate code for module node " + getName());
         }
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaSubModule.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaSubModule.java
index 31abd5c..835d781 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaSubModule.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaSubModule.java
@@ -35,8 +35,10 @@
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_LISTENER_INTERFACE;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_SUBJECT_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_SERVICE_AND_MANAGER;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getRootPackage;
 import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfRootNode;
+import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.isManagerCodeGenRequired;
+import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.isGenerationOfCodeReq;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getRootPackage;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.searchAndDeleteTempDir;
 
 /**
@@ -62,7 +64,7 @@
     /**
      * List of notifications nodes.
      */
-    private List<YangNode> notificationNodes = new ArrayList<>();
+    private transient List<YangNode> notificationNodes = new ArrayList<>();
 
     /**
      * Creates YANG java sub module object.
@@ -167,9 +169,13 @@
          * The manager class needs to extend the "ListenerRegistry".
          */
         try {
-            getTempJavaCodeFragmentFiles().generateJavaFile(GENERATE_SERVICE_AND_MANAGER, this);
+            if (isManagerCodeGenRequired(this) && isGenerationOfCodeReq(getJavaFileInfo())) {
+                getTempJavaCodeFragmentFiles().generateJavaFile(GENERATE_SERVICE_AND_MANAGER, this);
+            }
             searchAndDeleteTempDir(getJavaFileInfo().getBaseCodeGenPath() +
                     getJavaFileInfo().getPackageFilePath());
+            searchAndDeleteTempDir(getJavaFileInfo().getPluginConfig().getCodeGenDir() +
+                    getJavaFileInfo().getPackageFilePath());
         } catch (IOException e) {
             throw new TranslatorException("Failed to generate code for submodule node " + getName());
         }
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java
index ab8134f..c439e0a 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java
@@ -16,13 +16,15 @@
 
 package org.onosproject.yangutils.translator.tojava.utils;
 
+import org.onosproject.yangutils.datamodel.YangAugment;
 import org.onosproject.yangutils.datamodel.YangIdentity;
 import org.onosproject.yangutils.datamodel.YangNode;
 import org.onosproject.yangutils.datamodel.YangNotification;
 import org.onosproject.yangutils.translator.exception.TranslatorException;
+import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
+import org.onosproject.yangutils.translator.tojava.JavaFileInfoContainer;
 import org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo;
 import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFilesContainer;
-import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaIdentity;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.BUILDER_CLASS_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.BUILDER_INTERFACE_MASK;
@@ -36,9 +38,11 @@
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_UNION_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.IMPL_CLASS_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.INTERFACE_MASK;
+import static org.onosproject.yangutils.utils.UtilConstants.ABSTRACT;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER;
 import static org.onosproject.yangutils.utils.UtilConstants.CLASS;
 import static org.onosproject.yangutils.utils.UtilConstants.COMMA;
+import static org.onosproject.yangutils.utils.UtilConstants.DEFAULT;
 import static org.onosproject.yangutils.utils.UtilConstants.DIAMOND_CLOSE_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.DIAMOND_OPEN_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.EIGHT_SPACE_INDENTATION;
@@ -47,7 +51,6 @@
 import static org.onosproject.yangutils.utils.UtilConstants.EVENT_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.EXTEND;
 import static org.onosproject.yangutils.utils.UtilConstants.FINAL;
-import static org.onosproject.yangutils.utils.UtilConstants.IMPL;
 import static org.onosproject.yangutils.utils.UtilConstants.IMPLEMENTS;
 import static org.onosproject.yangutils.utils.UtilConstants.INTERFACE;
 import static org.onosproject.yangutils.utils.UtilConstants.LISTENER_REG;
@@ -61,7 +64,6 @@
 import static org.onosproject.yangutils.utils.UtilConstants.SERVICE;
 import static org.onosproject.yangutils.utils.UtilConstants.SPACE;
 import static org.onosproject.yangutils.utils.UtilConstants.SUBJECT;
-import static org.onosproject.yangutils.utils.UtilConstants.ABSTRACT;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.trimAtLast;
 
@@ -91,12 +93,6 @@
          * class / interface definition start.
          */
         switch (genFileTypes) {
-            case BUILDER_CLASS_MASK:
-                return getBuilderClassDefinition(yangName);
-            case IMPL_CLASS_MASK:
-                return getImplClassDefinition(yangName);
-            case BUILDER_INTERFACE_MASK:
-                return getBuilderInterfaceDefinition(yangName);
             case GENERATE_TYPEDEF_CLASS:
             case GENERATE_UNION_CLASS:
                 return getTypeClassDefinition(yangName);
@@ -125,6 +121,12 @@
         switch (genFileTypes) {
             case INTERFACE_MASK:
                 return getInterfaceDefinition(yangName, curNode);
+            case BUILDER_CLASS_MASK:
+                return getBuilderClassDefinition(yangName, curNode);
+            case IMPL_CLASS_MASK:
+                return getImplClassDefinition(yangName, curNode);
+            case BUILDER_INTERFACE_MASK:
+                return getBuilderInterfaceDefinition(yangName, curNode);
             case GENERATE_SERVICE_AND_MANAGER:
                 return getRpcInterfaceDefinition(yangName, curNode);
             case GENERATE_EVENT_CLASS:
@@ -158,22 +160,10 @@
      * @return definition
      */
     private static String getInterfaceDefinition(String yangName, YangNode curNode) {
-        JavaExtendsListHolder holder = ((TempJavaCodeFragmentFilesContainer) curNode)
-                .getTempJavaCodeFragmentFiles().getBeanTempFiles().getJavaExtendsListHolder();
 
-        if (holder.getExtendsList() != null && !holder.getExtendsList().isEmpty()) {
-            String def = PUBLIC + SPACE + INTERFACE + SPACE + yangName + SPACE + EXTEND + SPACE;
-            for (JavaQualifiedTypeInfo info : holder.getExtendsList()) {
-                if (!holder.getExtendedClassStore().get(info)) {
-                    def = def + info.getClassInfo() + COMMA + SPACE;
-                } else {
-                    def = def + info.getPkgInfo() + PERIOD + info.getClassInfo() + COMMA + SPACE;
-                }
-            }
-
-            def = trimAtLast(def, COMMA);
-
-            return def + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
+        String clsDef = getClassDefinitionForWhenExtended(curNode, yangName, INTERFACE_MASK);
+        if (clsDef != null) {
+            return clsDef;
         }
         return PUBLIC + SPACE + INTERFACE + SPACE + yangName + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
     }
@@ -185,7 +175,14 @@
      *                 is being generated
      * @return definition
      */
-    private static String getBuilderInterfaceDefinition(String yangName) {
+    private static String getBuilderInterfaceDefinition(String yangName, YangNode curNode) {
+        String clsDef = "";
+        if (curNode instanceof YangAugment) {
+            clsDef = getClassDefinitionForWhenExtended(curNode, yangName, BUILDER_INTERFACE_MASK);
+            if (clsDef != null) {
+                return clsDef;
+            }
+        }
         return INTERFACE + SPACE + yangName + BUILDER + SPACE + OPEN_CURLY_BRACKET + NEW_LINE + NEW_LINE;
     }
 
@@ -195,7 +192,14 @@
      * @param yangName file name
      * @return definition
      */
-    private static String getBuilderClassDefinition(String yangName) {
+    private static String getBuilderClassDefinition(String yangName, YangNode curNode) {
+        String clsDef = "";
+        if (curNode instanceof YangAugment) {
+            clsDef = getClassDefinitionForWhenExtended(curNode, yangName, BUILDER_CLASS_MASK);
+            if (clsDef != null) {
+                return clsDef;
+            }
+        }
         return PUBLIC + SPACE + CLASS + SPACE + yangName + BUILDER + SPACE + IMPLEMENTS + SPACE + yangName + PERIOD
                 + yangName + BUILDER + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
     }
@@ -206,8 +210,15 @@
      * @param yangName file name
      * @return definition
      */
-    private static String getImplClassDefinition(String yangName) {
-        return PUBLIC + SPACE + FINAL + SPACE + CLASS + SPACE + yangName + IMPL + SPACE + IMPLEMENTS + SPACE
+    private static String getImplClassDefinition(String yangName, YangNode curNode) {
+        String clsDef = "";
+        if (curNode instanceof YangAugment) {
+            clsDef = getClassDefinitionForWhenExtended(curNode, yangName, IMPL_CLASS_MASK);
+            if (clsDef != null) {
+                return clsDef;
+            }
+        }
+        return PUBLIC + SPACE + CLASS + SPACE + getCapitalCase(DEFAULT) + yangName + SPACE + IMPLEMENTS + SPACE
                 + yangName + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
     }
 
@@ -228,19 +239,19 @@
      * @return identity class definition
      */
     private static String getIdentityClassDefinition(String yangName, YangNode curNode) {
-        if (!(curNode instanceof YangJavaIdentity)) {
+        if (!(curNode instanceof YangIdentity)) {
             throw new TranslatorException("Expected java identity instance node");
         }
-        YangJavaIdentity identity = (YangJavaIdentity) curNode;
+        YangIdentity identity = (YangIdentity) curNode;
         if (identity.getBaseNode() != null) {
             YangIdentity baseIdentity = identity.getBaseNode().getReferredIdentity();
-            if (!(baseIdentity instanceof YangJavaIdentity)) {
+            if (!(baseIdentity instanceof YangIdentity)) {
                 throw new TranslatorException("Expected java identity instance node");
             }
 
-            YangJavaIdentity baseJavaIdentity = (YangJavaIdentity) baseIdentity;
+            JavaFileInfo fileInfo = ((JavaFileInfoContainer) baseIdentity).getJavaFileInfo();
             return PUBLIC + SPACE + ABSTRACT + SPACE + CLASS + SPACE + yangName + SPACE + EXTEND + SPACE
-                    + getCapitalCase(baseJavaIdentity.getJavaFileInfo().getJavaName()) + SPACE +
+                    + getCapitalCase(fileInfo.getJavaName()) + SPACE +
                     OPEN_CURLY_BRACKET + NEW_LINE;
         }
 
@@ -332,4 +343,99 @@
 
         return intfDef;
     }
+
+    /**
+     * Returns class definition when class is extending another class.
+     *
+     * @param curNode      current node
+     * @param yangName     name
+     * @param genFileTypes gen file type
+     * @return class definition
+     */
+    private static String getClassDefinitionForWhenExtended(YangNode curNode, String yangName, int genFileTypes) {
+        JavaExtendsListHolder holder = ((TempJavaCodeFragmentFilesContainer) curNode)
+                .getTempJavaCodeFragmentFiles().getBeanTempFiles().getJavaExtendsListHolder();
+
+        if (holder.getExtendsList() != null && !holder.getExtendsList().isEmpty()) {
+            String def = PUBLIC + SPACE;
+            switch (genFileTypes) {
+                case INTERFACE_MASK:
+                    def = def + INTERFACE + SPACE + yangName + SPACE + EXTEND + SPACE;
+                    for (JavaQualifiedTypeInfo info : holder.getExtendsList()) {
+                        if (curNode instanceof YangAugment) {
+                            if (!info.getClassInfo().contains(BUILDER) && !info.getClassInfo().contains(
+                                    getCapitalCase(DEFAULT))) {
+                                def = getDefinitionString(def, info, holder);
+                            }
+                        } else {
+                            def = getDefinitionString(def, info, holder);
+                        }
+                    }
+                    def = trimAtLast(def, COMMA);
+
+                    return def + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
+                case BUILDER_INTERFACE_MASK:
+                    String builderDef = INTERFACE + SPACE + yangName + BUILDER + SPACE + EXTEND + SPACE;
+                    for (JavaQualifiedTypeInfo info : holder.getExtendsList()) {
+                        if (info.getClassInfo().contains(BUILDER) && !info.getClassInfo().contains(
+                                getCapitalCase(DEFAULT))) {
+                            builderDef = getDefinitionString(builderDef, info, holder);
+                        }
+                    }
+
+                    builderDef = trimAtLast(builderDef, COMMA);
+
+                    return builderDef + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
+                case BUILDER_CLASS_MASK:
+                    def = def + CLASS + SPACE + yangName + BUILDER + SPACE + EXTEND + SPACE;
+                    for (JavaQualifiedTypeInfo info : holder.getExtendsList()) {
+                        if (info.getClassInfo().contains(BUILDER)
+                                && info.getClassInfo().contains(getCapitalCase(DEFAULT))) {
+                            def = getDefinitionString(def, info, holder);
+                        }
+                    }
+
+                    def = trimAtLast(def, COMMA);
+
+                    return def + SPACE + IMPLEMENTS + SPACE + yangName + PERIOD
+                            + yangName + BUILDER + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
+
+                case IMPL_CLASS_MASK:
+                    def = def + SPACE + CLASS + SPACE + getCapitalCase(DEFAULT) + yangName + SPACE + EXTEND + SPACE;
+                    for (JavaQualifiedTypeInfo info : holder.getExtendsList()) {
+                        if (!info.getClassInfo().contains(BUILDER)
+                                && info.getClassInfo().contains(getCapitalCase(DEFAULT))) {
+                            def = getDefinitionString(def, info, holder);
+                        }
+                    }
+
+                    def = trimAtLast(def, COMMA);
+
+                    return def + SPACE + IMPLEMENTS + SPACE
+                            + yangName + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
+
+                default:
+                    return null;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Returns updated class definition.
+     *
+     * @param def    current definition
+     * @param info   java qualified info
+     * @param holder extend list holder
+     * @return updated class definition
+     */
+    private static String getDefinitionString(String def, JavaQualifiedTypeInfo info, JavaExtendsListHolder holder) {
+        if (!holder.getExtendedClassStore().get(info)) {
+            def = def + info.getClassInfo() + COMMA + SPACE;
+        } else {
+            def = def + info.getPkgInfo() + PERIOD + info.getClassInfo() + COMMA + SPACE;
+        }
+        return def;
+    }
+
 }
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaCodeSnippetGen.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaCodeSnippetGen.java
index 3e523b0..d29fb86 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaCodeSnippetGen.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaCodeSnippetGen.java
@@ -16,31 +16,51 @@
 
 package org.onosproject.yangutils.translator.tojava.utils;
 
+import java.util.List;
+
+import org.onosproject.yangutils.datamodel.YangNode;
 import org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo;
+import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
+import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFilesContainer;
+import org.onosproject.yangutils.translator.tojava.TempJavaFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getEnumJavaAttribute;
-import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getSmallCase;
-import static org.onosproject.yangutils.utils.UtilConstants.ARRAY_LIST;
-import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTED_INFO;
+import static org.onosproject.yangutils.utils.UtilConstants.ACTIVATE_ANNOTATION_IMPORT;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_CURLY_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_PARENTHESIS;
 import static org.onosproject.yangutils.utils.UtilConstants.COMMA;
+import static org.onosproject.yangutils.utils.UtilConstants.COMPONENT_ANNOTATION;
+import static org.onosproject.yangutils.utils.UtilConstants.COMPONENT_ANNOTATION_IMPORT;
+import static org.onosproject.yangutils.utils.UtilConstants.DEACTIVATE_ANNOTATION_IMPORT;
 import static org.onosproject.yangutils.utils.UtilConstants.DIAMOND_CLOSE_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.DIAMOND_OPEN_BRACKET;
+import static org.onosproject.yangutils.utils.UtilConstants.ENUM;
 import static org.onosproject.yangutils.utils.UtilConstants.EQUAL;
 import static org.onosproject.yangutils.utils.UtilConstants.FOUR_SPACE_INDENTATION;
+import static org.onosproject.yangutils.utils.UtilConstants.IMMEDIATE;
 import static org.onosproject.yangutils.utils.UtilConstants.IMPORT;
+import static org.onosproject.yangutils.utils.UtilConstants.INT;
 import static org.onosproject.yangutils.utils.UtilConstants.LIST;
-import static org.onosproject.yangutils.utils.UtilConstants.NEW;
+import static org.onosproject.yangutils.utils.UtilConstants.LISTENER_SERVICE;
+import static org.onosproject.yangutils.utils.UtilConstants.LOGGER_FACTORY_IMPORT;
+import static org.onosproject.yangutils.utils.UtilConstants.LOGGER_IMPORT;
 import static org.onosproject.yangutils.utils.UtilConstants.NEW_LINE;
+import static org.onosproject.yangutils.utils.UtilConstants.OPEN_CURLY_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.OPEN_PARENTHESIS;
 import static org.onosproject.yangutils.utils.UtilConstants.PERIOD;
 import static org.onosproject.yangutils.utils.UtilConstants.PRIVATE;
+import static org.onosproject.yangutils.utils.UtilConstants.PUBLIC;
 import static org.onosproject.yangutils.utils.UtilConstants.SEMI_COLAN;
+import static org.onosproject.yangutils.utils.UtilConstants.SERVICE_ANNOTATION;
+import static org.onosproject.yangutils.utils.UtilConstants.SERVICE_ANNOTATION_IMPORT;
 import static org.onosproject.yangutils.utils.UtilConstants.SPACE;
-import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
+import static org.onosproject.yangutils.utils.UtilConstants.TRUE;
+import static org.onosproject.yangutils.utils.UtilConstants.TYPE;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.ENUM_ATTRIBUTE;
+import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getSmallCase;
+import static java.util.Collections.sort;
 
 /**
  * Represents utility class to generate the java snippet.
@@ -71,7 +91,7 @@
      *
      * @param importInfo import info
      * @return the textual java code information corresponding to the import
-     *         list
+     * list
      */
     public static String getImportText(JavaQualifiedTypeInfo importInfo) {
         return IMPORT + importInfo.getPkgInfo() + PERIOD + importInfo.getClassInfo() + SEMI_COLAN + NEW_LINE;
@@ -81,13 +101,13 @@
      * Returns the textual java code for attribute definition in class.
      *
      * @param javaAttributeTypePkg Package of the attribute type
-     * @param javaAttributeType java attribute type
-     * @param javaAttributeName name of the attribute
-     * @param isList is list attribute
+     * @param javaAttributeType    java attribute type
+     * @param javaAttributeName    name of the attribute
+     * @param isList               is list attribute
      * @return the textual java code for attribute definition in class
      */
     public static String getJavaAttributeDefination(String javaAttributeTypePkg, String javaAttributeType,
-            String javaAttributeName, boolean isList) {
+                                                    String javaAttributeName, boolean isList) {
 
         String attributeDefination = PRIVATE + SPACE;
 
@@ -121,17 +141,6 @@
     }
 
     /**
-     * Returns attribute of augmented info for generated impl file.
-     *
-     * @return attribute of augmented info for generated impl file
-     */
-    public static String getAugmentedInfoAttribute() {
-        return NEW_LINE + FOUR_SPACE_INDENTATION + PRIVATE + SPACE + getListAttribute(AUGMENTED_INFO) + SPACE
-                + getSmallCase(AUGMENTED_INFO) + LIST + SPACE + EQUAL + SPACE + NEW + SPACE + ARRAY_LIST
-                + DIAMOND_OPEN_BRACKET + DIAMOND_CLOSE_BRACKET + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SEMI_COLAN;
-    }
-
-    /**
      * Returns based on the file type and the YANG name of the file, generate the class
      * / interface definition close.
      *
@@ -144,8 +153,8 @@
     /**
      * Returns string for enum's attribute.
      *
-     * @param name name of attribute
-     * @param value value of the enum
+     * @param name         name of attribute
+     * @param value        value of the enum
      * @param pluginConfig plugin configurations
      * @return string for enum's attribute
      */
@@ -155,4 +164,128 @@
                 + value + CLOSE_PARENTHESIS + COMMA + NEW_LINE;
     }
 
+    /**
+     * Adds annotations imports.
+     *
+     * @param imports   list if imports
+     * @param operation to add or to delete
+     */
+    public static void addAnnotationsImports(List<String> imports, boolean operation) {
+        if (operation) {
+            imports.add(ACTIVATE_ANNOTATION_IMPORT);
+            imports.add(DEACTIVATE_ANNOTATION_IMPORT);
+            imports.add(COMPONENT_ANNOTATION_IMPORT);
+            imports.add(SERVICE_ANNOTATION_IMPORT);
+            imports.add(LOGGER_FACTORY_IMPORT);
+            imports.add(LOGGER_IMPORT);
+        } else {
+            imports.remove(ACTIVATE_ANNOTATION_IMPORT);
+            imports.remove(DEACTIVATE_ANNOTATION_IMPORT);
+            imports.remove(COMPONENT_ANNOTATION_IMPORT);
+            imports.remove(SERVICE_ANNOTATION_IMPORT);
+            imports.remove(LOGGER_FACTORY_IMPORT);
+            imports.remove(LOGGER_IMPORT);
+        }
+        sortImports(imports);
+    }
+
+    /**
+     * Returns sorted import list.
+     *
+     * @param imports import list
+     * @return sorted import list
+     */
+    public static List<String> sortImports(List<String> imports) {
+        sort(imports);
+        return imports;
+    }
+
+    /**
+     * Returns event enum start.
+     *
+     * @return event enum start
+     */
+    public static String getEventEnumTypeStart() {
+        return FOUR_SPACE_INDENTATION + PUBLIC + SPACE + ENUM + SPACE + TYPE + SPACE + OPEN_CURLY_BRACKET
+                + NEW_LINE;
+    }
+
+    /**
+     * Adds listener's imports.
+     *
+     * @param curNode   currentYangNode.
+     * @param imports   import list
+     * @param operation add or remove
+     * @param classInfo class info to be added to import list
+     */
+    public static void addListenersImport(YangNode curNode, List<String> imports, boolean operation,
+                                          String classInfo) {
+        String thisImport = "";
+        if (classInfo.equals(LISTENER_SERVICE)) {
+            thisImport = getTempJavaFragment(curNode).getJavaImportData().getListenerServiceImport();
+            performOperationOnImports(imports, thisImport, operation);
+        } else {
+            thisImport = getTempJavaFragment(curNode).getJavaImportData().getListenerRegistryImport();
+            performOperationOnImports(imports, thisImport, operation);
+        }
+    }
+
+    /**
+     * Performs given operations on import list.
+     *
+     * @param imports   list of imports
+     * @param curImport current import
+     * @param operation add or remove
+     * @return import list
+     */
+    private static List<String> performOperationOnImports(List<String> imports, String curImport,
+                                                          boolean operation) {
+        if (operation) {
+            imports.add(curImport);
+        } else {
+            imports.remove(curImport);
+        }
+        sortImports(imports);
+        return imports;
+    }
+
+    /**
+     * Returns temp java fragment.
+     *
+     * @param curNode current YANG node
+     * @return temp java fragments
+     */
+    public static TempJavaFragmentFiles getTempJavaFragment(YangNode curNode) {
+        TempJavaCodeFragmentFiles container = ((TempJavaCodeFragmentFilesContainer) curNode)
+                .getTempJavaCodeFragmentFiles();
+        if (container.getBeanTempFiles() != null) {
+            return container.getBeanTempFiles();
+        }
+        if (container.getServiceTempFiles() != null) {
+            return container.getServiceTempFiles();
+        }
+
+        return null;
+    }
+
+    /**
+     * Returns integer attribute for enum's class to get the values.
+     *
+     * @param className enum's class name
+     * @return enum's attribute
+     */
+    public static String getEnumsValueAttribute(String className) {
+        return NEW_LINE + FOUR_SPACE_INDENTATION + PRIVATE + SPACE + INT + SPACE + getSmallCase(className)
+                + SEMI_COLAN + NEW_LINE;
+    }
+
+    /**
+     * Returns component string.
+     *
+     * @return component string
+     */
+    public static String addComponentString() {
+        return NEW_LINE + COMPONENT_ANNOTATION + SPACE + OPEN_PARENTHESIS + IMMEDIATE + SPACE
+                + EQUAL + SPACE + TRUE + CLOSE_PARENTHESIS + NEW_LINE + SERVICE_ANNOTATION;
+    }
 }
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaExtendsListHolder.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaExtendsListHolder.java
index efe3833..ca1f052 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaExtendsListHolder.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaExtendsListHolder.java
@@ -28,7 +28,7 @@
 import org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo;
 
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.getTempJavaFragement;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getTempJavaFragment;
 
 /**
  * Represent the extends list for generated java classes. It holds the class details which needs
@@ -62,7 +62,7 @@
      * @param extendedClass map of classes need to be extended
      */
     private void setExtendedClassStore(Map<JavaQualifiedTypeInfo, Boolean> extendedClass) {
-        this.extendedClassStore = extendedClass;
+        extendedClassStore = extendedClass;
     }
 
     /**
@@ -74,7 +74,7 @@
     public void addToExtendsList(JavaQualifiedTypeInfo info, YangNode node) {
         JavaFileInfo fileInfo = ((JavaFileInfoContainer) node).getJavaFileInfo();
 
-        JavaImportData importData = getTempJavaFragement(node).getJavaImportData();
+        JavaImportData importData = getTempJavaFragment(node).getJavaImportData();
         boolean qualified = importData.addImportInfo(info,
                 getCapitalCase(fileInfo.getJavaName()), fileInfo.getPackage());
 
@@ -99,7 +99,7 @@
      * @param classInfoList the extends List to set
      */
     private void setExtendsList(List<JavaQualifiedTypeInfo> classInfoList) {
-        this.extendsList = classInfoList;
+        extendsList = classInfoList;
     }
 
     /**
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
index 25b9c854..49315f3 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
@@ -21,14 +21,14 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import org.onosproject.yangutils.datamodel.YangAugment;
 import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.translator.tojava.JavaCodeGeneratorInfo;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfoContainer;
-import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFilesContainer;
 import org.onosproject.yangutils.translator.tojava.TempJavaEnumerationFragmentFiles;
 import org.onosproject.yangutils.translator.tojava.TempJavaServiceFragmentFiles;
-import org.onosproject.yangutils.translator.tojava.JavaCodeGeneratorInfo;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.BUILDER_CLASS_MASK;
@@ -43,6 +43,7 @@
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.IMPL_CLASS_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.INTERFACE_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.ATTRIBUTES_MASK;
+import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.AUGMENTE_CLASS_CONSTRUCTOR_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.CONSTRUCTOR_FOR_TYPE_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.CONSTRUCTOR_IMPL_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.ENUM_IMPL_MASK;
@@ -62,17 +63,14 @@
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.SETTER_FOR_CLASS_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.SETTER_FOR_INTERFACE_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.TO_STRING_IMPL_MASK;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getAugmentedInfoAttribute;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getDataFromTempFileHandle;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getEnumsValueAttribute;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getEnumsValueAttribute;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.initiateJavaFileGeneration;
-import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.addActivateMethod;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.addDeActivateMethod;
-import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getAddAugmentInfoMethodImpl;
-import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getAugmentInfoListImpl;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getAugmentedNodesConstructorStart;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getConstructorStart;
-import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getEnumsConstrcutor;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getEnumsConstructor;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getEnumsOfMethod;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getEqualsMethodClose;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getEqualsMethodOpen;
@@ -82,31 +80,36 @@
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getHashCodeMethodClose;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getHashCodeMethodOpen;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getOmitNullValueString;
-import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getRemoveAugmentationImpl;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringMethodClose;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringMethodOpen;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.getEventEnumTypeStart;
-import static org.onosproject.yangutils.translator.tojava.utils.TempJavaCodeFragmentFilesUtils.isAugmentationHolderExtended;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getEventEnumTypeStart;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_CURLY_BRACKET;
+import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_PARENTHESIS;
 import static org.onosproject.yangutils.utils.UtilConstants.COMMA;
+import static org.onosproject.yangutils.utils.UtilConstants.DEFAULT;
+import static org.onosproject.yangutils.utils.UtilConstants.EIGHT_SPACE_INDENTATION;
 import static org.onosproject.yangutils.utils.UtilConstants.EMPTY_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.EVENT_LISTENER_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.EVENT_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.EVENT_SUBJECT_NAME_SUFFIX;
 import static org.onosproject.yangutils.utils.UtilConstants.FOUR_SPACE_INDENTATION;
-import static org.onosproject.yangutils.utils.UtilConstants.IMPL;
 import static org.onosproject.yangutils.utils.UtilConstants.INT;
 import static org.onosproject.yangutils.utils.UtilConstants.LOGGER_STATEMENT;
 import static org.onosproject.yangutils.utils.UtilConstants.MANAGER;
 import static org.onosproject.yangutils.utils.UtilConstants.NEW_LINE;
+import static org.onosproject.yangutils.utils.UtilConstants.OBJECT;
+import static org.onosproject.yangutils.utils.UtilConstants.OPEN_PARENTHESIS;
 import static org.onosproject.yangutils.utils.UtilConstants.PRIVATE;
 import static org.onosproject.yangutils.utils.UtilConstants.PUBLIC;
 import static org.onosproject.yangutils.utils.UtilConstants.SEMI_COLAN;
 import static org.onosproject.yangutils.utils.UtilConstants.SERVICE_METHOD_STRING;
-import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
+import static org.onosproject.yangutils.utils.UtilConstants.SUPER;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.GETTER_METHOD;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.TYPE_CONSTRUCTOR;
+import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.insertDataIntoJavaFile;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.trimAtLast;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.validateLineLength;
@@ -122,18 +125,19 @@
     /**
      * Returns generated interface file for current node.
      *
-     * @param file file
-     * @param imports imports for the file
-     * @param curNode current YANG node
+     * @param file          file
+     * @param imports       imports for the file
+     * @param curNode       current YANG node
      * @param isAttrPresent if any attribute is present or not
      * @return interface file
      * @throws IOException when fails to write in file
      */
     public static File generateInterfaceFile(File file, List<String> imports, YangNode curNode,
-            boolean isAttrPresent)
+                                             boolean isAttrPresent)
             throws IOException {
 
         JavaFileInfo javaFileInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
+        String path = javaFileInfo.getBaseCodeGenPath() + javaFileInfo.getPackageFilePath();
 
         String className = getCapitalCase(javaFileInfo.getJavaName());
 
@@ -149,7 +153,7 @@
                  */
                 insertDataIntoJavaFile(file, getDataFromTempFileHandle(GETTER_FOR_INTERFACE_MASK,
                         ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                .getBeanTempFiles()));
+                                .getBeanTempFiles(), path));
             } catch (IOException e) {
                 throw new IOException("No data found in temporary java code fragment files for " + className
                         + " while interface file generation");
@@ -161,8 +165,8 @@
     /**
      * Returns generated builder interface file for current node.
      *
-     * @param file file
-     * @param curNode current YANG node
+     * @param file          file
+     * @param curNode       current YANG node
      * @param isAttrPresent if any attribute is present or not
      * @return builder interface file
      * @throws IOException when fails to write in file
@@ -176,7 +180,7 @@
         String className = getCapitalCase(javaFileInfo.getJavaName());
         String path = javaFileInfo.getBaseCodeGenPath() + javaFileInfo.getPackageFilePath();
 
-        initiateJavaFileGeneration(file, className, BUILDER_INTERFACE_MASK, null, path, pluginConfig);
+        initiateJavaFileGeneration(file, BUILDER_INTERFACE_MASK, null, curNode, className);
         List<String> methods = new ArrayList<>();
         if (isAttrPresent) {
             try {
@@ -185,14 +189,14 @@
                  */
                 methods.add(FOUR_SPACE_INDENTATION + getDataFromTempFileHandle(GETTER_FOR_INTERFACE_MASK,
                         ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                .getBeanTempFiles()));
+                                .getBeanTempFiles(), path));
                 /**
                  * Setter methods.
                  */
                 methods.add(NEW_LINE);
                 methods.add(FOUR_SPACE_INDENTATION + getDataFromTempFileHandle(SETTER_FOR_INTERFACE_MASK,
                         ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                .getBeanTempFiles()));
+                                .getBeanTempFiles(), path));
             } catch (IOException e) {
                 throw new IOException("No data found in temporary java code fragment files for " + className
                         + " while builder interface file generation");
@@ -219,16 +223,14 @@
     /**
      * Returns generated builder class file for current node.
      *
-     * @param file file
-     * @param imports imports for the file
-     * @param curNode current YANG node
+     * @param file          file
+     * @param curNode       current YANG node
      * @param isAttrPresent if any attribute is present or not
      * @return builder class file
      * @throws IOException when fails to write in file
      */
-    public static File generateBuilderClassFile(File file, List<String> imports, YangNode curNode,
-            boolean isAttrPresent)
-            throws IOException {
+    public static File generateBuilderClassFile(File file, YangNode curNode,
+                                                boolean isAttrPresent) throws IOException {
 
         JavaFileInfo javaFileInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
         YangPluginConfig pluginConfig = javaFileInfo.getPluginConfig();
@@ -236,9 +238,12 @@
         String className = getCapitalCase(javaFileInfo.getJavaName());
         String path = javaFileInfo.getBaseCodeGenPath() + javaFileInfo.getPackageFilePath();
 
-        initiateJavaFileGeneration(file, className, BUILDER_CLASS_MASK, imports, path, pluginConfig);
-
+        initiateJavaFileGeneration(file, BUILDER_CLASS_MASK, null, curNode, className);
         List<String> methods = new ArrayList<>();
+        boolean isAugmentNode = false;
+        if (curNode instanceof YangAugment) {
+            isAugmentNode = true;
+        }
 
         if (isAttrPresent) {
             /**
@@ -248,7 +253,7 @@
                 insertDataIntoJavaFile(file,
                         NEW_LINE + FOUR_SPACE_INDENTATION + getDataFromTempFileHandle(ATTRIBUTES_MASK,
                                 ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                        .getBeanTempFiles()));
+                                        .getBeanTempFiles(), path));
             } catch (IOException e) {
                 throw new IOException("No data found in temporary java code fragment files for " + className
                         + " while builder class file generation");
@@ -260,14 +265,30 @@
                  */
                 methods.add(getDataFromTempFileHandle(GETTER_FOR_CLASS_MASK,
                         ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                .getBeanTempFiles()));
+                                .getBeanTempFiles(), path));
                 /**
                  * Setter methods.
                  */
                 methods.add(getDataFromTempFileHandle(SETTER_FOR_CLASS_MASK,
                         ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                .getBeanTempFiles()) +
-                        NEW_LINE);
+                                .getBeanTempFiles(), path));
+
+                if (isAugmentNode) {
+                    YangAugment augment = (YangAugment) curNode;
+                    String augmentNode = getCapitalCase(
+                            getCamelCase(augment.getAugmentedNode().getName(), pluginConfig.getConflictResolver()));
+                    /**
+                     * Constructor.
+                     */
+                    String constructor = getAugmentedNodesConstructorStart(className, augmentNode)
+                            + getDataFromTempFileHandle(AUGMENTE_CLASS_CONSTRUCTOR_MASK,
+                            ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
+                                    .getBeanTempFiles(), path);
+
+                    methods.add(constructor + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET +
+                            NEW_LINE + NEW_LINE);
+                }
+                insertDataIntoJavaFile(file, NEW_LINE);
             } catch (IOException e) {
                 throw new IOException("No data found in temporary java code fragment files for " + className
                         + " while builder class file generation");
@@ -289,26 +310,28 @@
         for (String method : methods) {
             insertDataIntoJavaFile(file, method);
         }
+        insertDataIntoJavaFile(file, CLOSE_CURLY_BRACKET);
         return validateLineLength(file);
     }
 
     /**
      * Returns generated manager class file for current node.
      *
-     * @param file file
-     * @param imports imports for the file
-     * @param curNode current YANG node
+     * @param file          file
+     * @param imports       imports for the file
+     * @param curNode       current YANG node
      * @param isAttrPresent if any attribute is present or not
      * @return builder class file
      * @throws IOException when fails to write in file
      */
     public static File generateManagerClassFile(File file, List<String> imports, YangNode curNode,
-            boolean isAttrPresent)
+                                                boolean isAttrPresent)
             throws IOException {
 
         JavaFileInfo javaFileInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
 
         String className = getCapitalCase(javaFileInfo.getJavaName()) + MANAGER;
+        String path = javaFileInfo.getBaseCodeGenPath() + javaFileInfo.getPackageFilePath();
 
         initiateJavaFileGeneration(file, GENERATE_SERVICE_AND_MANAGER, imports, curNode, className);
 
@@ -326,14 +349,14 @@
                 methods.add(
                         getDataFromTempFileHandle(GETTER_FOR_CLASS_MASK,
                                 ((TempJavaCodeFragmentFilesContainer) curNode)
-                                        .getTempJavaCodeFragmentFiles().getServiceTempFiles()));
+                                        .getTempJavaCodeFragmentFiles().getServiceTempFiles(), path));
                 /**
                  * Setter methods.
                  */
                 methods.add(
                         getDataFromTempFileHandle(SETTER_FOR_CLASS_MASK,
                                 ((TempJavaCodeFragmentFilesContainer) curNode)
-                                        .getTempJavaCodeFragmentFiles().getServiceTempFiles())
+                                        .getTempJavaCodeFragmentFiles().getServiceTempFiles(), path)
                                 + NEW_LINE);
 
             }
@@ -343,7 +366,7 @@
                  * Rpc methods
                  */
                 methods.add(getDataFromTempFileHandle(RPC_IMPL_MASK,
-                        javaGeninfo.getTempJavaCodeFragmentFiles().getServiceTempFiles()));
+                        javaGeninfo.getTempJavaCodeFragmentFiles().getServiceTempFiles(), path));
             }
             insertDataIntoJavaFile(file, NEW_LINE);
 
@@ -364,13 +387,14 @@
     /**
      * Returns generated impl class file for current node.
      *
-     * @param file file
-     * @param curNode current YANG node
+     * @param file          file
+     * @param curNode       current YANG node
      * @param isAttrPresent if any attribute is present or not
+     * @param imports       list of imports
      * @return impl class file
      * @throws IOException when fails to write in file
      */
-    public static File generateImplClassFile(File file, YangNode curNode, boolean isAttrPresent)
+    public static File generateImplClassFile(File file, YangNode curNode, boolean isAttrPresent, List<String> imports)
             throws IOException {
 
         JavaFileInfo javaFileInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
@@ -379,20 +403,14 @@
         String className = getCapitalCase(javaFileInfo.getJavaName());
         String path = javaFileInfo.getBaseCodeGenPath() + javaFileInfo.getPackageFilePath();
 
-        initiateJavaFileGeneration(file, className, IMPL_CLASS_MASK, null, path, pluginConfig);
+        initiateJavaFileGeneration(file, IMPL_CLASS_MASK, imports, curNode, className);
 
         List<String> methods = new ArrayList<>();
-
-        TempJavaCodeFragmentFiles javaCodeFragmentFiles = ((TempJavaCodeFragmentFilesContainer) curNode)
-                .getTempJavaCodeFragmentFiles();
-        boolean isAugmentationHolderExtended = isAugmentationHolderExtended(
-                javaCodeFragmentFiles.getBeanTempFiles().getJavaExtendsListHolder().getExtendsList());
-        /**
-         * Add attribute for augmented info's list.
-         */
-        if (isAugmentationHolderExtended) {
-            insertDataIntoJavaFile(file, getAugmentedInfoAttribute());
+        boolean isAugmentNode = false;
+        if (curNode instanceof YangAugment) {
+            isAugmentNode = true;
         }
+
         if (isAttrPresent) {
             /**
              * Add attribute strings.
@@ -401,20 +419,19 @@
                 insertDataIntoJavaFile(file,
                         NEW_LINE + FOUR_SPACE_INDENTATION + getDataFromTempFileHandle(ATTRIBUTES_MASK,
                                 ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                        .getBeanTempFiles()));
+                                        .getBeanTempFiles(), path));
             } catch (IOException e) {
                 throw new IOException("No data found in temporary java code fragment files for " + className
                         + " while impl class file generation");
             }
 
-            insertDataIntoJavaFile(file, NEW_LINE);
             try {
                 /**
                  * Getter methods.
                  */
                 methods.add(getDataFromTempFileHandle(GETTER_FOR_CLASS_MASK,
                         ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                .getBeanTempFiles()));
+                                .getBeanTempFiles(), path));
 
                 /**
                  * Hash code method.
@@ -422,20 +439,20 @@
                 methods.add(getHashCodeMethodClose(getHashCodeMethodOpen() +
                         getDataFromTempFileHandle(HASH_CODE_IMPL_MASK,
                                 ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                        .getBeanTempFiles()).replace(NEW_LINE, EMPTY_STRING)));
+                                        .getBeanTempFiles(), path).replace(NEW_LINE, EMPTY_STRING)));
                 /**
                  * Equals method.
                  */
-                methods.add(getEqualsMethodClose(
-                        getEqualsMethodOpen(className + IMPL) + getDataFromTempFileHandle(EQUALS_IMPL_MASK,
-                                ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                        .getBeanTempFiles())));
+                methods.add(getEqualsMethodClose(getEqualsMethodOpen(getCapitalCase(DEFAULT) + className)
+                        + getDataFromTempFileHandle(EQUALS_IMPL_MASK,
+                        ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
+                                .getBeanTempFiles(), path)));
                 /**
                  * To string method.
                  */
                 methods.add(getToStringMethodOpen() + getDataFromTempFileHandle(TO_STRING_IMPL_MASK,
                         ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                .getBeanTempFiles())
+                                .getBeanTempFiles(), path)
                         + getToStringMethodClose());
 
             } catch (IOException e) {
@@ -450,10 +467,15 @@
             /**
              * Constructor.
              */
-            String constructor =
-                    getConstructorStart(className, pluginConfig) + getDataFromTempFileHandle(CONSTRUCTOR_IMPL_MASK,
-                            ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                    .getBeanTempFiles());
+            String constructor = getConstructorStart(className, pluginConfig);
+            if (isAugmentNode) {
+                constructor = constructor + EIGHT_SPACE_INDENTATION + SUPER + OPEN_PARENTHESIS
+                        + BUILDER.toLowerCase() + OBJECT
+                        + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+            }
+            constructor = constructor + getDataFromTempFileHandle(CONSTRUCTOR_IMPL_MASK,
+                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
+                            .getBeanTempFiles(), path);
 
             methods.add(constructor + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET);
         } catch (IOException e) {
@@ -462,21 +484,11 @@
         }
 
         /**
-         * Add method for augment info's list.
-         */
-        if (isAugmentationHolderExtended) {
-            methods.add(getAddAugmentInfoMethodImpl());
-            methods.add(getAugmentInfoListImpl());
-            methods.add(getRemoveAugmentationImpl());
-        }
-
-        /**
          * Add methods in impl class.
          */
         for (String method : methods) {
-            insertDataIntoJavaFile(file, FOUR_SPACE_INDENTATION + method + NEW_LINE);
+            insertDataIntoJavaFile(file, method);
         }
-        insertDataIntoJavaFile(file, CLOSE_CURLY_BRACKET + NEW_LINE);
 
         return validateLineLength(file);
     }
@@ -484,7 +496,7 @@
     /**
      * Generates class file for type def.
      *
-     * @param file generated file
+     * @param file    generated file
      * @param curNode current YANG node
      * @param imports imports for file
      * @return type def class file
@@ -510,7 +522,7 @@
             insertDataIntoJavaFile(file,
                     NEW_LINE + FOUR_SPACE_INDENTATION + getDataFromTempFileHandle(ATTRIBUTES_MASK,
                             ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                    .getTypeTempFiles()));
+                                    .getTypeTempFiles(), path));
         } catch (IOException e) {
             throw new IOException("No data found in temporary java code fragment files for " + className
                     + " while type def class file generation");
@@ -528,19 +540,22 @@
              * Type constructor.
              */
             methods.add(getDataFromTempFileHandle(CONSTRUCTOR_FOR_TYPE_MASK,
-                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles()));
+                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles(),
+                    path));
 
             /**
              * Of method.
              */
             methods.add(getDataFromTempFileHandle(OF_STRING_IMPL_MASK,
-                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles()));
+                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles(),
+                    path));
 
             /**
              * Getter method.
              */
             methods.add(getDataFromTempFileHandle(GETTER_FOR_CLASS_MASK,
-                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles()));
+                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles(),
+                    path));
 
             /**
              * Hash code method.
@@ -548,22 +563,23 @@
             methods.add(getHashCodeMethodClose(getHashCodeMethodOpen() +
                     getDataFromTempFileHandle(HASH_CODE_IMPL_MASK,
                             ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                    .getTypeTempFiles())
-                                            .replace(NEW_LINE, EMPTY_STRING)));
+                                    .getTypeTempFiles(), path)
+                            .replace(NEW_LINE, EMPTY_STRING)));
 
             /**
              * Equals method.
              */
             methods.add(getEqualsMethodClose(getEqualsMethodOpen(className + EMPTY_STRING)
                     + getDataFromTempFileHandle(EQUALS_IMPL_MASK,
-                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles())));
+                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
+                            .getTypeTempFiles(), path)));
 
             /**
              * To string method.
              */
             methods.add(getToStringMethodOpen() + getDataFromTempFileHandle(TO_STRING_IMPL_MASK,
-                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles())
-                    + getToStringMethodClose());
+                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles(),
+                    path) + getToStringMethodClose());
 
             JavaCodeGeneratorInfo javaGeninfo = (JavaCodeGeneratorInfo) curNode;
             /**
@@ -571,7 +587,8 @@
              */
             methods.add(getFromStringMethodSignature(className, pluginConfig)
                     + getDataFromTempFileHandle(FROM_STRING_IMPL_MASK, javaGeninfo.getTempJavaCodeFragmentFiles()
-                    .getTypeTempFiles()) + getFromStringMethodClose());
+                    .getTypeTempFiles(), path)
+                    + getFromStringMethodClose());
 
         } catch (IOException e) {
             throw new IOException("No data found in temporary java code fragment files for " + className
@@ -589,7 +606,7 @@
     /**
      * Generates class file for union type.
      *
-     * @param file generated file
+     * @param file    generated file
      * @param curNode current YANG node
      * @param imports imports for file
      * @return type def class file
@@ -615,7 +632,7 @@
             insertDataIntoJavaFile(file,
                     NEW_LINE + FOUR_SPACE_INDENTATION + getDataFromTempFileHandle(ATTRIBUTES_MASK,
                             ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                    .getTypeTempFiles()));
+                                    .getTypeTempFiles(), path));
         } catch (IOException e) {
             throw new IOException("No data found in temporary java code fragment files for " + className
                     + " while union class file generation");
@@ -633,19 +650,22 @@
              * Type constructor.
              */
             methods.add(getDataFromTempFileHandle(CONSTRUCTOR_FOR_TYPE_MASK,
-                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles()));
+                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles(),
+                    path));
 
             /**
              * Of string method.
              */
             methods.add(getDataFromTempFileHandle(OF_STRING_IMPL_MASK,
-                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles()));
+                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles(),
+                    path));
 
             /**
              * Getter method.
              */
             methods.add(getDataFromTempFileHandle(GETTER_FOR_CLASS_MASK,
-                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles()));
+                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles(),
+                    path));
 
             /**
              * Hash code method.
@@ -653,15 +673,16 @@
             methods.add(getHashCodeMethodClose(getHashCodeMethodOpen() +
                     getDataFromTempFileHandle(HASH_CODE_IMPL_MASK,
                             ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                    .getTypeTempFiles())
-                                            .replace(NEW_LINE, EMPTY_STRING)));
+                                    .getTypeTempFiles(), path)
+                            .replace(NEW_LINE, EMPTY_STRING)));
 
             /**
              * Equals method.
              */
             methods.add(getEqualsMethodClose(getEqualsMethodOpen(className + EMPTY_STRING)
                     + getDataFromTempFileHandle(EQUALS_IMPL_MASK,
-                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles())));
+                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
+                            .getTypeTempFiles(), path)));
 
             /**
              * To string method.
@@ -669,14 +690,16 @@
             methods.add(getToStringMethodOpen() + getOmitNullValueString() +
                     getDataFromTempFileHandle(TO_STRING_IMPL_MASK,
                             ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                    .getTypeTempFiles()) + getToStringMethodClose());
+                                    .getTypeTempFiles(), path)
+                    + getToStringMethodClose());
 
             /**
              * From string method.
              */
             methods.add(getFromStringMethodSignature(className, pluginConfig)
                     + getDataFromTempFileHandle(FROM_STRING_IMPL_MASK,
-                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles())
+                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
+                            .getTypeTempFiles(), path)
                     + getFromStringMethodClose());
 
         } catch (IOException e) {
@@ -695,7 +718,7 @@
     /**
      * Generates class file for type enum.
      *
-     * @param file generated file
+     * @param file    generated file
      * @param curNode current YANG node
      * @return class file for type enum
      * @throws IOException when fails to generate class file
@@ -717,7 +740,7 @@
             JavaCodeGeneratorInfo javaGeninfo = (JavaCodeGeneratorInfo) curNode;
             insertDataIntoJavaFile(file,
                     trimAtLast(trimAtLast(getDataFromTempFileHandle(ENUM_IMPL_MASK, javaGeninfo
-                            .getTempJavaCodeFragmentFiles().getEnumerationTempFiles()), COMMA), NEW_LINE)
+                            .getTempJavaCodeFragmentFiles().getEnumerationTempFiles(), path), COMMA), NEW_LINE)
                             + SEMI_COLAN + NEW_LINE);
         } catch (IOException e) {
             throw new IOException("No data found in temporary java code fragment files for " + getCapitalCase(className)
@@ -734,11 +757,11 @@
          * Add a constructor for enum.
          */
         insertDataIntoJavaFile(file, getJavaDoc(TYPE_CONSTRUCTOR, className, false, pluginConfig)
-                + getEnumsConstrcutor(getCapitalCase(className)) + NEW_LINE);
+                + getEnumsConstructor(getCapitalCase(className)) + NEW_LINE);
 
-        TempJavaEnumerationFragmentFiles enumFragFiles =
-                ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                        .getEnumerationTempFiles();
+        TempJavaEnumerationFragmentFiles enumFragFiles = ((TempJavaCodeFragmentFilesContainer) curNode)
+                .getTempJavaCodeFragmentFiles()
+                .getEnumerationTempFiles();
         insertDataIntoJavaFile(file, getEnumsOfMethod(className,
                 enumFragFiles.getJavaAttributeForEnum(pluginConfig),
                 enumFragFiles.getEnumSetJavaMap(),
@@ -754,8 +777,8 @@
         try {
             insertDataIntoJavaFile(file, getFromStringMethodSignature(getCapitalCase(className), pluginConfig)
                     + getDataFromTempFileHandle(FROM_STRING_IMPL_MASK,
-                            ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                    .getEnumerationTempFiles())
+                    ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
+                            .getEnumerationTempFiles(), path)
                     + getFromStringMethodClose());
         } catch (IOException e) {
             throw new IOException("No data found in temporary java code fragment files for " +
@@ -770,20 +793,21 @@
     /**
      * Generates interface file for rpc.
      *
-     * @param file generated file
-     * @param curNode current YANG node
-     * @param imports imports for file
+     * @param file               generated file
+     * @param curNode            current YANG node
+     * @param imports            imports for file
      * @param isAttributePresent is attribute present
      * @return rpc class file
      * @throws IOException when fails to generate class file
      */
     public static File generateServiceInterfaceFile(File file, YangNode curNode, List<String> imports,
-            boolean isAttributePresent)
+                                                    boolean isAttributePresent)
             throws IOException {
 
         JavaFileInfo javaFileInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
 
         String className = getCapitalCase(javaFileInfo.getJavaName()) + SERVICE_METHOD_STRING;
+        String path = javaFileInfo.getBaseCodeGenPath() + javaFileInfo.getPackageFilePath();
         initiateJavaFileGeneration(file, GENERATE_SERVICE_AND_MANAGER, imports, curNode, className);
 
         List<String> methods = new ArrayList<>();
@@ -796,13 +820,13 @@
                  */
                 methods.add(getDataFromTempFileHandle(GETTER_FOR_INTERFACE_MASK,
                         ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                .getServiceTempFiles()));
+                                .getServiceTempFiles(), path));
                 /**
                  * Setter methods.
                  */
                 methods.add(getDataFromTempFileHandle(SETTER_FOR_INTERFACE_MASK,
                         ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                .getServiceTempFiles()));
+                                .getServiceTempFiles(), path));
             }
             if (((JavaCodeGeneratorInfo) curNode).getTempJavaCodeFragmentFiles().getServiceTempFiles() != null) {
                 JavaCodeGeneratorInfo javaGeninfo = (JavaCodeGeneratorInfo) curNode;
@@ -810,7 +834,7 @@
                  * Rpc methods
                  */
                 methods.add(getDataFromTempFileHandle(RPC_INTERFACE_MASK,
-                        javaGeninfo.getTempJavaCodeFragmentFiles().getServiceTempFiles()));
+                        javaGeninfo.getTempJavaCodeFragmentFiles().getServiceTempFiles(), path));
             }
         } catch (IOException e) {
             throw new IOException("No data found in temporary java code fragment files for " + className
@@ -828,27 +852,28 @@
     /**
      * Generates event file.
      *
-     * @param file generated file
+     * @param file    generated file
      * @param curNode current YANG node
      * @param imports imports for file
      * @throws IOException when fails to generate class file
      */
     public static void generateEventFile(File file, YangNode curNode, List<String> imports) throws IOException {
 
-        String className =
-                getCapitalCase(((JavaFileInfoContainer) curNode).getJavaFileInfo().getJavaName())
-                        + EVENT_STRING;
+        String className = getCapitalCase(((JavaFileInfoContainer) curNode).getJavaFileInfo().getJavaName())
+                + EVENT_STRING;
 
         TempJavaServiceFragmentFiles tempFiles = ((TempJavaCodeFragmentFilesContainer) curNode)
                 .getTempJavaCodeFragmentFiles().getServiceTempFiles();
 
+        String path = ((JavaFileInfoContainer) curNode).getJavaFileInfo().getBaseCodeGenPath()
+                + ((JavaFileInfoContainer) curNode).getJavaFileInfo().getPackageFilePath();
         initiateJavaFileGeneration(file, GENERATE_EVENT_CLASS, imports, curNode, className);
         try {
             insertDataIntoJavaFile(file, NEW_LINE + getEventEnumTypeStart() +
-                    trimAtLast(getDataFromTempFileHandle(EVENT_ENUM_MASK, tempFiles), COMMA)
+                    trimAtLast(getDataFromTempFileHandle(EVENT_ENUM_MASK, tempFiles, path), COMMA)
                     + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET + NEW_LINE);
 
-            insertDataIntoJavaFile(file, getDataFromTempFileHandle(EVENT_METHOD_MASK, tempFiles));
+            insertDataIntoJavaFile(file, getDataFromTempFileHandle(EVENT_METHOD_MASK, tempFiles, path));
 
         } catch (IOException e) {
             throw new IOException("No data found in temporary java code fragment files for " + className
@@ -862,7 +887,7 @@
     /**
      * Generates event listener file.
      *
-     * @param file generated file
+     * @param file    generated file
      * @param curNode current YANG node
      * @param imports imports for file
      * @throws IOException when fails to generate class file
@@ -870,9 +895,8 @@
     public static void generateEventListenerFile(File file, YangNode curNode, List<String> imports)
             throws IOException {
 
-        String className =
-                getCapitalCase(((JavaFileInfoContainer) curNode).getJavaFileInfo().getJavaName())
-                        + EVENT_LISTENER_STRING;
+        String className = getCapitalCase(((JavaFileInfoContainer) curNode).getJavaFileInfo().getJavaName())
+                + EVENT_LISTENER_STRING;
 
         initiateJavaFileGeneration(file, GENERATE_EVENT_LISTENER_INTERFACE, imports, curNode, className);
         insertDataIntoJavaFile(file, CLOSE_CURLY_BRACKET + NEW_LINE);
@@ -882,7 +906,7 @@
     /**
      * Generates event subject's file.
      *
-     * @param file file handle
+     * @param file    file handle
      * @param curNode current YANG node
      * @throws IOException when fails to do IO exceptions
      */
@@ -894,16 +918,18 @@
 
         initiateJavaFileGeneration(file, GENERATE_EVENT_SUBJECT_CLASS, null, curNode, className);
 
+        String path = ((JavaFileInfoContainer) curNode).getJavaFileInfo().getBaseCodeGenPath()
+                + ((JavaFileInfoContainer) curNode).getJavaFileInfo().getPackageFilePath();
         TempJavaServiceFragmentFiles tempFiles = ((TempJavaCodeFragmentFilesContainer) curNode)
                 .getTempJavaCodeFragmentFiles().getServiceTempFiles();
 
         insertDataIntoJavaFile(file, NEW_LINE);
         try {
-            insertDataIntoJavaFile(file, getDataFromTempFileHandle(EVENT_SUBJECT_ATTRIBUTE_MASK, tempFiles));
+            insertDataIntoJavaFile(file, getDataFromTempFileHandle(EVENT_SUBJECT_ATTRIBUTE_MASK, tempFiles, path));
 
-            insertDataIntoJavaFile(file, getDataFromTempFileHandle(EVENT_SUBJECT_GETTER_MASK, tempFiles));
+            insertDataIntoJavaFile(file, getDataFromTempFileHandle(EVENT_SUBJECT_GETTER_MASK, tempFiles, path));
 
-            insertDataIntoJavaFile(file, getDataFromTempFileHandle(EVENT_SUBJECT_SETTER_MASK, tempFiles));
+            insertDataIntoJavaFile(file, getDataFromTempFileHandle(EVENT_SUBJECT_SETTER_MASK, tempFiles, path));
 
         } catch (IOException e) {
             throw new IOException("No data found in temporary java code fragment files for " + className
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGeneratorUtils.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGeneratorUtils.java
index 4a2b6f5..c6fd897 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGeneratorUtils.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGeneratorUtils.java
@@ -20,6 +20,7 @@
 import java.io.IOException;
 import java.util.List;
 
+import org.onosproject.yangutils.datamodel.YangAugment;
 import org.onosproject.yangutils.datamodel.YangNode;
 import org.onosproject.yangutils.translator.exception.TranslatorException;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
@@ -39,13 +40,14 @@
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_LISTENER_INTERFACE;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_SUBJECT_CLASS;
+import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_IDENTITY_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_SERVICE_AND_MANAGER;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_TYPEDEF_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_UNION_CLASS;
-import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_IDENTITY_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.IMPL_CLASS_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.INTERFACE_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.ATTRIBUTES_MASK;
+import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.AUGMENTE_CLASS_CONSTRUCTOR_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.CONSTRUCTOR_FOR_TYPE_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.CONSTRUCTOR_IMPL_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.ENUM_IMPL_MASK;
@@ -66,26 +68,16 @@
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.SETTER_FOR_INTERFACE_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.TO_STRING_IMPL_MASK;
 import static org.onosproject.yangutils.translator.tojava.utils.ClassDefinitionGenerator.generateClassDefinition;
-import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getJavaPackageFromPackagePath;
-import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getSmallCase;
-import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_PARENTHESIS;
+import static org.onosproject.yangutils.utils.UtilConstants.BUILDER;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_CURLY_BRACKET;
-import static org.onosproject.yangutils.utils.UtilConstants.COMPONENT_ANNOTATION;
-import static org.onosproject.yangutils.utils.UtilConstants.EQUAL;
-import static org.onosproject.yangutils.utils.UtilConstants.FOUR_SPACE_INDENTATION;
-import static org.onosproject.yangutils.utils.UtilConstants.IMMEDIATE;
-import static org.onosproject.yangutils.utils.UtilConstants.INT;
+import static org.onosproject.yangutils.utils.UtilConstants.DEFAULT;
 import static org.onosproject.yangutils.utils.UtilConstants.NEW_LINE;
-import static org.onosproject.yangutils.utils.UtilConstants.OPEN_PARENTHESIS;
 import static org.onosproject.yangutils.utils.UtilConstants.PACKAGE;
 import static org.onosproject.yangutils.utils.UtilConstants.PERIOD;
-import static org.onosproject.yangutils.utils.UtilConstants.PRIVATE;
 import static org.onosproject.yangutils.utils.UtilConstants.REGEX_FOR_ANY_STRING_ENDING_WITH_SERVICE;
 import static org.onosproject.yangutils.utils.UtilConstants.SEMI_COLAN;
-import static org.onosproject.yangutils.utils.UtilConstants.SERVICE_ANNOTATION;
 import static org.onosproject.yangutils.utils.UtilConstants.SLASH;
 import static org.onosproject.yangutils.utils.UtilConstants.SPACE;
-import static org.onosproject.yangutils.utils.UtilConstants.TRUE;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.BUILDER_CLASS;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.BUILDER_INTERFACE;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.ENUM_CLASS;
@@ -97,6 +89,9 @@
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.RPC_INTERFACE;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.RPC_MANAGER;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getJavaPackageFromPackagePath;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.insertDataIntoJavaFile;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.parsePkg;
 
@@ -130,11 +125,12 @@
      *
      * @param generatedTempFiles    temporary file types
      * @param tempJavaFragmentFiles temp java fragment files
+     * @param absolutePath          absolute path
      * @return data stored in temporary files
      * @throws IOException when failed to get the data from temporary file handle
      */
     public static String getDataFromTempFileHandle(int generatedTempFiles,
-            TempJavaFragmentFiles tempJavaFragmentFiles)
+                                                   TempJavaFragmentFiles tempJavaFragmentFiles, String absolutePath)
             throws IOException {
 
         TempJavaTypeFragmentFiles typeFragmentFiles = null;
@@ -156,49 +152,64 @@
 
         if ((generatedTempFiles & ATTRIBUTES_MASK) != 0) {
             return tempJavaFragmentFiles
-                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getAttributesTempFileHandle());
+                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getAttributesTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & GETTER_FOR_INTERFACE_MASK) != 0) {
             return tempJavaFragmentFiles
-                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getGetterInterfaceTempFileHandle());
+                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getGetterInterfaceTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & SETTER_FOR_INTERFACE_MASK) != 0) {
             return tempJavaFragmentFiles
-                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getSetterInterfaceTempFileHandle());
+                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getSetterInterfaceTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & GETTER_FOR_CLASS_MASK) != 0) {
             return tempJavaFragmentFiles
-                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getGetterImplTempFileHandle());
+                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getGetterImplTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & SETTER_FOR_CLASS_MASK) != 0) {
             return tempJavaFragmentFiles
-                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getSetterImplTempFileHandle());
+                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getSetterImplTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & CONSTRUCTOR_IMPL_MASK) != 0) {
             if (beanFragmentFiles == null) {
                 throw new TranslatorException("Required constructor info is missing.");
             }
             return beanFragmentFiles
-                    .getTemporaryDataFromFileHandle(beanFragmentFiles.getConstructorImplTempFileHandle());
+                    .getTemporaryDataFromFileHandle(beanFragmentFiles.getConstructorImplTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & HASH_CODE_IMPL_MASK) != 0) {
             return tempJavaFragmentFiles
-                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getHashCodeImplTempFileHandle());
+                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getHashCodeImplTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & EQUALS_IMPL_MASK) != 0) {
             return tempJavaFragmentFiles
-                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getEqualsImplTempFileHandle());
+                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getEqualsImplTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & TO_STRING_IMPL_MASK) != 0) {
             return tempJavaFragmentFiles
-                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getToStringImplTempFileHandle());
+                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getToStringImplTempFileHandle(),
+                            absolutePath);
+        } else if ((generatedTempFiles & AUGMENTE_CLASS_CONSTRUCTOR_MASK) != 0) {
+            return tempJavaFragmentFiles
+                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getAugmentConstructorImplTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & OF_STRING_IMPL_MASK) != 0) {
             if (typeFragmentFiles == null) {
                 throw new TranslatorException("Required of string implementation info is missing.");
             }
             return typeFragmentFiles
-                    .getTemporaryDataFromFileHandle(typeFragmentFiles.getOfStringImplTempFileHandle());
+                    .getTemporaryDataFromFileHandle(typeFragmentFiles.getOfStringImplTempFileHandle(), absolutePath);
         } else if ((generatedTempFiles & CONSTRUCTOR_FOR_TYPE_MASK) != 0) {
             if (typeFragmentFiles == null) {
                 throw new TranslatorException("Required constructor implementation info is missing.");
             }
             return typeFragmentFiles
-                    .getTemporaryDataFromFileHandle(typeFragmentFiles.getConstructorForTypeTempFileHandle());
+                    .getTemporaryDataFromFileHandle(typeFragmentFiles.getConstructorForTypeTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & FROM_STRING_IMPL_MASK) != 0) {
             return tempJavaFragmentFiles
-                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getFromStringImplTempFileHandle());
+                    .getTemporaryDataFromFileHandle(tempJavaFragmentFiles.getFromStringImplTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & ENUM_IMPL_MASK) != 0) {
             if (!(tempJavaFragmentFiles instanceof TempJavaEnumerationFragmentFiles)) {
                 throw new TranslatorException("Required enum info is missing.");
@@ -206,49 +217,56 @@
             TempJavaEnumerationFragmentFiles enumFragmentFiles =
                     (TempJavaEnumerationFragmentFiles) tempJavaFragmentFiles;
             return enumFragmentFiles
-                    .getTemporaryDataFromFileHandle(enumFragmentFiles.getEnumClassTempFileHandle());
+                    .getTemporaryDataFromFileHandle(enumFragmentFiles.getEnumClassTempFileHandle(), absolutePath);
         } else if ((generatedTempFiles & RPC_INTERFACE_MASK) != 0) {
             if (serviceFragmentFiles == null) {
                 throw new TranslatorException("Required rpc interface info is missing.");
             }
             return serviceFragmentFiles
-                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getRpcInterfaceTempFileHandle());
+                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getRpcInterfaceTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & RPC_IMPL_MASK) != 0) {
             if (serviceFragmentFiles == null) {
                 throw new TranslatorException("Required rpc implementation info is missing.");
             }
             return serviceFragmentFiles
-                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getRpcImplTempFileHandle());
+                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getRpcImplTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & EVENT_ENUM_MASK) != 0) {
             if (serviceFragmentFiles == null) {
                 throw new TranslatorException("Required rpc implementation info is missing.");
             }
             return serviceFragmentFiles
-                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getEventEnumTempFileHandle());
+                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getEventEnumTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & EVENT_METHOD_MASK) != 0) {
             if (serviceFragmentFiles == null) {
                 throw new TranslatorException("Required rpc implementation info is missing.");
             }
             return serviceFragmentFiles
-                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getEventMethodTempFileHandle());
+                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getEventMethodTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & EVENT_SUBJECT_GETTER_MASK) != 0) {
             if (serviceFragmentFiles == null) {
                 throw new TranslatorException("Required rpc implementation info is missing.");
             }
             return serviceFragmentFiles
-                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getEventSubjectGetterTempFileHandle());
+                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getEventSubjectGetterTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & EVENT_SUBJECT_SETTER_MASK) != 0) {
             if (serviceFragmentFiles == null) {
                 throw new TranslatorException("Required rpc implementation info is missing.");
             }
             return serviceFragmentFiles
-                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getEventSubjectSetterTempFileHandle());
+                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getEventSubjectSetterTempFileHandle(),
+                            absolutePath);
         } else if ((generatedTempFiles & EVENT_SUBJECT_ATTRIBUTE_MASK) != 0) {
             if (serviceFragmentFiles == null) {
                 throw new TranslatorException("Required rpc implementation info is missing.");
             }
             return serviceFragmentFiles
-                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getEventSubjectAttributeTempFileHandle());
+                    .getTemporaryDataFromFileHandle(serviceFragmentFiles.getEventSubjectAttributeTempFileHandle(),
+                            absolutePath);
         }
         return null;
     }
@@ -265,7 +283,7 @@
      * @throws IOException when fails to generate a file
      */
     public static void initiateJavaFileGeneration(File file, String className, int genType, List<String> imports,
-            String pkg, YangPluginConfig pluginConfig)
+                                                  String pkg, YangPluginConfig pluginConfig)
             throws IOException {
 
         try {
@@ -287,16 +305,11 @@
      * @throws IOException when fails to generate a file
      */
     public static void initiateJavaFileGeneration(File file, int genType, List<String> imports,
-            YangNode curNode, String className)
+                                                  YangNode curNode, String className)
             throws IOException {
 
         try {
-            if (file.exists()) {
-                throw new IOException(file.getName() + " is reused due to YANG naming");
-            }
-
             file.createNewFile();
-
             appendContents(file, genType, imports, curNode, className);
         } catch (IOException e) {
             throw new IOException("Failed to create " + file.getName() + " class file.");
@@ -314,7 +327,7 @@
      * @throws IOException
      */
     private static void appendContents(File file, int genType, List<String> importsList, YangNode curNode,
-            String className)
+                                       String className)
             throws IOException {
 
         JavaFileInfo javaFileInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
@@ -322,6 +335,10 @@
         String name = javaFileInfo.getJavaName();
         String path = javaFileInfo.getBaseCodeGenPath() + javaFileInfo.getPackageFilePath();
 
+        YangNode augmentedNode = null;
+        if (curNode instanceof YangAugment) {
+            augmentedNode = ((YangAugment) curNode).getAugmentedNode();
+        }
         String pkgString = null;
         if (genType == GENERATE_EVENT_CLASS
                 || genType == GENERATE_EVENT_LISTENER_INTERFACE
@@ -332,9 +349,23 @@
         }
         switch (genType) {
             case INTERFACE_MASK:
-                appendHeaderContents(file, pkgString, importsList);
+                if (augmentedNode != null) {
+                    appendHeaderContents(file, pkgString, importsList, augmentedNode);
+                } else {
+                    appendHeaderContents(file, pkgString, importsList);
+                }
                 write(file, genType, INTERFACE, curNode, className);
                 break;
+            case IMPL_CLASS_MASK:
+                appendHeaderContents(file, pkgString, importsList);
+                write(file, genType, IMPL_CLASS, curNode, className);
+                break;
+            case BUILDER_CLASS_MASK:
+                write(file, genType, BUILDER_CLASS, curNode, className);
+                break;
+            case BUILDER_INTERFACE_MASK:
+                write(file, genType, BUILDER_INTERFACE, curNode, className);
+                break;
             case GENERATE_SERVICE_AND_MANAGER:
                 appendHeaderContents(file, pkgString, importsList);
                 write(file, genType, RPC_INTERFACE, curNode, className);
@@ -373,26 +404,16 @@
      * @throws IOException when fails to append contents
      */
     private static void appendContents(File file, String fileName, int genType, List<String> importsList, String pkg,
-            YangPluginConfig pluginConfig)
+                                       YangPluginConfig pluginConfig)
             throws IOException {
 
         String pkgString = parsePackageString(pkg, importsList);
 
         switch (genType) {
-            case IMPL_CLASS_MASK:
-                write(file, fileName, genType, IMPL_CLASS, pluginConfig);
-                break;
-            case BUILDER_INTERFACE_MASK:
-                write(file, fileName, genType, BUILDER_INTERFACE, pluginConfig);
-                break;
             case GENERATE_TYPEDEF_CLASS:
                 appendHeaderContents(file, pkgString, importsList);
                 write(file, fileName, genType, IMPL_CLASS, pluginConfig);
                 break;
-            case BUILDER_CLASS_MASK:
-                appendHeaderContents(file, pkgString, importsList);
-                write(file, fileName, genType, BUILDER_CLASS, pluginConfig);
-                break;
             case GENERATE_UNION_CLASS:
                 appendHeaderContents(file, pkgString, importsList);
                 write(file, fileName, genType, IMPL_CLASS, pluginConfig);
@@ -428,7 +449,7 @@
     }
 
     /**
-     * Appends other contents to interface, builder and typedef classes.
+     * Appends other contents to interface, impl and typedef classes.
      * for example : ONOS copyright, imports and package.
      *
      * @param file        generated file
@@ -456,6 +477,39 @@
     }
 
     /**
+     * Appends other contents to interface and impl classes when augmented node is not null.
+     * for example : ONOS copyright, imports and package.
+     *
+     * @param file          generated file
+     * @param pkg           generated package
+     * @param augmentedNode augmented node
+     * @param importsList   list of imports
+     * @throws IOException when fails to append contents
+     */
+    private static void appendHeaderContents(File file, String pkg, List<String> importsList, YangNode augmentedNode)
+            throws IOException {
+
+        insertDataIntoJavaFile(file, CopyrightHeader.getCopyrightHeader());
+        insertDataIntoJavaFile(file, pkg);
+
+        /*
+         * TODO: add the file header using
+         * JavaCodeSnippetGen.getFileHeaderComment
+         */
+
+        if (importsList != null) {
+            insertDataIntoJavaFile(file, NEW_LINE);
+            for (String imports : importsList) {
+                if (!imports.contains(getCapitalCase(DEFAULT) + getCapitalCase(getCamelCase(augmentedNode.getName(),
+                        null)))
+                        && !imports.contains(getCapitalCase(getCamelCase(augmentedNode.getName(), null)) + BUILDER)) {
+                    insertDataIntoJavaFile(file, imports);
+                }
+            }
+        }
+    }
+
+    /**
      * Writes data to the specific generated file.
      *
      * @param file        generated file
@@ -472,7 +526,7 @@
         if ((genType & GENERATE_SERVICE_AND_MANAGER) != 0) {
             if (!fileName.matches(REGEX_FOR_ANY_STRING_ENDING_WITH_SERVICE)) {
                 insertDataIntoJavaFile(file, getJavaDoc(RPC_MANAGER, fileName, false, pluginConfig));
-                insertDataIntoJavaFile(file, addComponentString());
+                insertDataIntoJavaFile(file, JavaCodeSnippetGen.addComponentString());
             } else {
                 insertDataIntoJavaFile(file, getJavaDoc(javaDocType, fileName, false, pluginConfig));
             }
@@ -493,30 +547,10 @@
      * @throws IOException when fails to write into a file
      */
     private static void write(File file, String fileName, int genType, JavaDocType javaDocType,
-            YangPluginConfig pluginConfig)
+                              YangPluginConfig pluginConfig)
             throws IOException {
         insertDataIntoJavaFile(file, getJavaDoc(javaDocType, fileName, false, pluginConfig));
         insertDataIntoJavaFile(file, generateClassDefinition(genType, fileName));
     }
 
-    /**
-     * Returns integer attribute for enum's class to get the values.
-     *
-     * @param className enum's class name
-     * @return enum's attribute
-     */
-    public static String getEnumsValueAttribute(String className) {
-        return NEW_LINE + FOUR_SPACE_INDENTATION + PRIVATE + SPACE + INT + SPACE + getSmallCase(className)
-                + SEMI_COLAN + NEW_LINE;
-    }
-
-    /**
-     * Returns component string.
-     *
-     * @return component string
-     */
-    public static String addComponentString() {
-        return NEW_LINE + COMPONENT_ANNOTATION + SPACE + OPEN_PARENTHESIS + IMMEDIATE + SPACE
-                + EQUAL + SPACE + TRUE + CLOSE_PARENTHESIS + NEW_LINE + SERVICE_ANNOTATION;
-    }
 }
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaIdentifierSyntax.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaIdentifierSyntax.java
index 8c938ed..9743c92 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaIdentifierSyntax.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaIdentifierSyntax.java
@@ -54,11 +54,8 @@
  */
 public final class JavaIdentifierSyntax {
 
-    private static final int MAX_MONTHS = 12;
-    private static final int MAX_DAYS = 31;
     private static final int INDEX_ZERO = 0;
     private static final int INDEX_ONE = 1;
-    private static final int INDEX_TWO = 2;
     private static final int VALUE_CHECK = 10;
     private static final String ZERO = "0";
     private static final String DATE_FORMAT = "yyyy-MM-dd";
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/MethodsGenerator.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/MethodsGenerator.java
index a5fc104..cde88ed 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/MethodsGenerator.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/MethodsGenerator.java
@@ -32,10 +32,8 @@
 import static org.onosproject.yangutils.utils.UtilConstants.ACTIVATE_ANNOTATION;
 import static org.onosproject.yangutils.utils.UtilConstants.ADD_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.AND;
-import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTATION;
-import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTED_INFO;
-import static org.onosproject.yangutils.utils.UtilConstants.BIG_INTEGER;
 import static org.onosproject.yangutils.utils.UtilConstants.BIG_DECIMAL;
+import static org.onosproject.yangutils.utils.UtilConstants.BIG_INTEGER;
 import static org.onosproject.yangutils.utils.UtilConstants.BOOLEAN_DATA_TYPE;
 import static org.onosproject.yangutils.utils.UtilConstants.BOOLEAN_WRAPPER;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILD;
@@ -45,7 +43,6 @@
 import static org.onosproject.yangutils.utils.UtilConstants.CASE;
 import static org.onosproject.yangutils.utils.UtilConstants.CATCH;
 import static org.onosproject.yangutils.utils.UtilConstants.CHECK_NOT_NULL_STRING;
-import static org.onosproject.yangutils.utils.UtilConstants.CLEAR;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_CURLY_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_PARENTHESIS;
 import static org.onosproject.yangutils.utils.UtilConstants.COLAN;
@@ -72,7 +69,6 @@
 import static org.onosproject.yangutils.utils.UtilConstants.HASH;
 import static org.onosproject.yangutils.utils.UtilConstants.HASH_CODE_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.IF;
-import static org.onosproject.yangutils.utils.UtilConstants.IMPL;
 import static org.onosproject.yangutils.utils.UtilConstants.INSTANCE_OF;
 import static org.onosproject.yangutils.utils.UtilConstants.INT;
 import static org.onosproject.yangutils.utils.UtilConstants.INTEGER_WRAPPER;
@@ -122,7 +118,6 @@
 import static org.onosproject.yangutils.utils.UtilConstants.VALUE;
 import static org.onosproject.yangutils.utils.UtilConstants.VOID;
 import static org.onosproject.yangutils.utils.UtilConstants.YANG_UTILS_TODO;
-import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.BUILD_METHOD;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.CONSTRUCTOR;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.DEFAULT_CONSTRUCTOR;
@@ -132,6 +127,8 @@
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.OF_METHOD;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.SETTER_METHOD;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.TYPE_CONSTRUCTOR;
+import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.generateForTypeConstructor;
+import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getSmallCase;
@@ -515,43 +512,38 @@
     public static String getConstructorStart(String yangName, YangPluginConfig pluginConfig) {
 
         String javadoc = getConstructorString(yangName, pluginConfig);
-        String constructor =
-                FOUR_SPACE_INDENTATION + PUBLIC + SPACE + yangName + IMPL + OPEN_PARENTHESIS + yangName
-                        + BUILDER + SPACE + BUILDER.toLowerCase() + OBJECT + CLOSE_PARENTHESIS + SPACE
-                        + OPEN_CURLY_BRACKET
-                        + NEW_LINE;
+        String constructor = FOUR_SPACE_INDENTATION + PUBLIC + SPACE + getCapitalCase(DEFAULT) + yangName +
+                OPEN_PARENTHESIS + yangName + BUILDER + SPACE + BUILDER.toLowerCase() + OBJECT
+                + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
         return javadoc + constructor;
     }
 
     /**
      * Returns the constructor strings for class file.
      *
-     * @param yangName           name of the class
      * @param attr               attribute info
      * @param generatedJavaFiles generated java files
      * @param pluginConfig       plugin configurations
      * @return constructor for class
      */
-    public static String getConstructor(String yangName, JavaAttributeInfo attr, int generatedJavaFiles,
+    public static String getConstructor(JavaAttributeInfo attr, int generatedJavaFiles,
                                         YangPluginConfig pluginConfig) {
 
         String attributeName = attr.getAttributeName();
         String constructor;
 
         if ((generatedJavaFiles & GENERATE_SERVICE_AND_MANAGER) != 0) {
-            constructor =
-                    EIGHT_SPACE_INDENTATION + THIS + PERIOD
-                            + getCamelCase(attributeName, pluginConfig.getConflictResolver()) + SPACE + EQUAL
-                            + SPACE + BUILDER.toLowerCase() + OBJECT + PERIOD + GET_METHOD_PREFIX
-                            + getCapitalCase(getCamelCase(attributeName, pluginConfig.getConflictResolver()))
-                            + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+            constructor = EIGHT_SPACE_INDENTATION + THIS + PERIOD
+                    + getCamelCase(attributeName, pluginConfig.getConflictResolver()) + SPACE + EQUAL
+                    + SPACE + BUILDER.toLowerCase() + OBJECT + PERIOD + GET_METHOD_PREFIX
+                    + getCapitalCase(getCamelCase(attributeName, pluginConfig.getConflictResolver()))
+                    + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
         } else {
-            constructor =
-                    EIGHT_SPACE_INDENTATION + THIS + PERIOD
-                            + getCamelCase(attributeName, pluginConfig.getConflictResolver()) + SPACE + EQUAL
-                            + SPACE + BUILDER.toLowerCase() + OBJECT + PERIOD
-                            + getCamelCase(attributeName, pluginConfig.getConflictResolver()) +
-                            OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+            constructor = EIGHT_SPACE_INDENTATION + THIS + PERIOD
+                    + getCamelCase(attributeName, pluginConfig.getConflictResolver()) + SPACE + EQUAL
+                    + SPACE + BUILDER.toLowerCase() + OBJECT + PERIOD
+                    + getCamelCase(attributeName, pluginConfig.getConflictResolver()) +
+                    OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
         }
         return constructor;
     }
@@ -593,10 +585,9 @@
             inputName = inputName + SPACE + RPC_INPUT_VAR_NAME;
         }
 
-        String method =
-                getOverRideString() + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + outputName + SPACE + rpcName
-                        + OPEN_PARENTHESIS + inputName + CLOSE_PARENTHESIS + SPACE
-                        + OPEN_CURLY_BRACKET + NEW_LINE + EIGHT_SPACE_INDENTATION + YANG_UTILS_TODO + NEW_LINE;
+        String method = getOverRideString() + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + outputName + SPACE + rpcName
+                + OPEN_PARENTHESIS + inputName + CLOSE_PARENTHESIS + SPACE
+                + OPEN_CURLY_BRACKET + NEW_LINE + EIGHT_SPACE_INDENTATION + YANG_UTILS_TODO + NEW_LINE;
         if (!outputName.contentEquals(VOID)) {
             method += EIGHT_SPACE_INDENTATION + RETURN + SPACE + parseTypeForReturnValue(outputName) + SEMI_COLAN
                     + NEW_LINE;
@@ -614,9 +605,9 @@
      */
     public static String getBuild(String yangName) {
         return FOUR_SPACE_INDENTATION + PUBLIC + SPACE + yangName + SPACE + BUILD + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
-                + SPACE + OPEN_CURLY_BRACKET + NEW_LINE + EIGHT_SPACE_INDENTATION + RETURN + SPACE + NEW + SPACE
-                + yangName + IMPL + OPEN_PARENTHESIS + THIS + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE
-                + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
+                + SPACE + OPEN_CURLY_BRACKET + NEW_LINE + EIGHT_SPACE_INDENTATION + RETURN + SPACE + NEW + SPACE +
+                getCapitalCase(DEFAULT) + yangName + OPEN_PARENTHESIS + THIS + CLOSE_PARENTHESIS + SEMI_COLAN
+                + NEW_LINE + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
     }
 
     /**
@@ -950,59 +941,12 @@
     }
 
     /**
-     * Returns implementation of add augmentation method of AugmentationHolder class.
-     *
-     * @return implementation of add augmentation method of AugmentationHolder class
-     */
-    public static String getAddAugmentInfoMethodImpl() {
-        String method = FOUR_SPACE_INDENTATION;
-        method = method + getOverRideString() + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + VOID + SPACE + ADD_STRING
-                + AUGMENTATION + OPEN_PARENTHESIS + AUGMENTED_INFO + SPACE + VALUE + CLOSE_PARENTHESIS + SPACE
-                + OPEN_CURLY_BRACKET + NEW_LINE + EIGHT_SPACE_INDENTATION + GET_METHOD_PREFIX + AUGMENTED_INFO + LIST
-                + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + PERIOD + ADD_STRING + OPEN_PARENTHESIS + VALUE
-                + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
-
-        return method;
-    }
-
-    /**
-     * Returns implementation of get augment info list method of AugmentationHolder class.
-     *
-     * @return implementation of get augment info list method of AugmentationHolder class
-     */
-    public static String getAugmentInfoListImpl() {
-
-        String method = FOUR_SPACE_INDENTATION;
-        method = method + getOverRideString() + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + LIST + DIAMOND_OPEN_BRACKET
-                + AUGMENTED_INFO + DIAMOND_CLOSE_BRACKET + SPACE + GET_METHOD_PREFIX + AUGMENTED_INFO + LIST
-                + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET + NEW_LINE + EIGHT_SPACE_INDENTATION
-                + RETURN + SPACE + getSmallCase(AUGMENTED_INFO) + LIST + SEMI_COLAN + NEW_LINE + FOUR_SPACE_INDENTATION
-                + CLOSE_CURLY_BRACKET;
-        return method;
-    }
-
-    /**
-     * Returns implementation of remove augmentation method of AugmentationHolder class.
-     *
-     * @return implementation of remove augmentation method of AugmentationHolder class
-     */
-    public static String getRemoveAugmentationImpl() {
-        String method = FOUR_SPACE_INDENTATION;
-        method = method + getOverRideString() + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + VOID + SPACE + "remove"
-                + AUGMENTATION + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET + NEW_LINE
-                + EIGHT_SPACE_INDENTATION + GET_METHOD_PREFIX + AUGMENTED_INFO + LIST + OPEN_PARENTHESIS
-                + CLOSE_PARENTHESIS + PERIOD + CLEAR + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE
-                + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
-        return method;
-    }
-
-    /**
      * Returns enum's constructor.
      *
      * @param className enum's class name
      * @return enum's constructor
      */
-    public static String getEnumsConstrcutor(String className) {
+    public static String getEnumsConstructor(String className) {
         return FOUR_SPACE_INDENTATION + className + OPEN_PARENTHESIS + INT + SPACE + VALUE + CLOSE_PARENTHESIS + SPACE
                 + OPEN_CURLY_BRACKET + NEW_LINE + EIGHT_SPACE_INDENTATION + getSmallCase(className) + SPACE + EQUAL
                 + SPACE + VALUE + SEMI_COLAN + NEW_LINE + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
@@ -1118,4 +1062,38 @@
                 throw new TranslatorException("given data type is not supported.");
         }
     }
+
+    /**
+     * Returns copy constructor for augmented class.
+     *
+     * @param yangName    augmente class name
+     * @param augmentName augmented class name
+     * @return copy constructor for augmented class
+     */
+    public static String getAugmentedNodesConstructorStart(String yangName,
+                                                           String augmentName) {
+
+        String javadoc = generateForTypeConstructor(yangName);
+        String constructor = FOUR_SPACE_INDENTATION + PUBLIC + SPACE + yangName + BUILDER + OPEN_PARENTHESIS
+                + augmentName + PERIOD + augmentName + BUILDER + SPACE + VALUE + CLOSE_PARENTHESIS + SPACE
+                + OPEN_CURLY_BRACKET + NEW_LINE;
+        return javadoc + constructor;
+
+    }
+
+    /**
+     * Returns the constructor strings for class file.
+     *
+     * @param attr         attribute info
+     * @param pluginConfig plugin configurations
+     * @return constructor for class
+     */
+    public static String getAugmentedConstructor(JavaAttributeInfo attr, YangPluginConfig pluginConfig) {
+
+        String attributeName = getCamelCase(attr.getAttributeName(), pluginConfig.getConflictResolver());
+
+        return EIGHT_SPACE_INDENTATION + THIS + PERIOD + attributeName + OPEN_PARENTHESIS
+                + VALUE + PERIOD + attributeName + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+    }
 }
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/TempJavaCodeFragmentFilesUtils.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/TempJavaCodeFragmentFilesUtils.java
deleted file mode 100644
index 39620f9..0000000
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/TempJavaCodeFragmentFilesUtils.java
+++ /dev/null
@@ -1,249 +0,0 @@
-/*
- * Copyright 2016-present Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.onosproject.yangutils.translator.tojava.utils;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.List;
-import org.onosproject.yangutils.datamodel.YangNode;
-import org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo;
-import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
-import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFilesContainer;
-import org.onosproject.yangutils.translator.tojava.TempJavaFragmentFiles;
-
-import static org.onosproject.yangutils.utils.UtilConstants.ACTIVATE_ANNOTATION_IMPORT;
-import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTATION_HOLDER;
-import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTED_INFO;
-import static org.onosproject.yangutils.utils.UtilConstants.COMPONENT_ANNOTATION_IMPORT;
-import static org.onosproject.yangutils.utils.UtilConstants.DEACTIVATE_ANNOTATION_IMPORT;
-import static org.onosproject.yangutils.utils.UtilConstants.ENUM;
-import static org.onosproject.yangutils.utils.UtilConstants.FOUR_SPACE_INDENTATION;
-import static org.onosproject.yangutils.utils.UtilConstants.LISTENER_SERVICE;
-import static org.onosproject.yangutils.utils.UtilConstants.LOGGER_FACTORY_IMPORT;
-import static org.onosproject.yangutils.utils.UtilConstants.LOGGER_IMPORT;
-import static org.onosproject.yangutils.utils.UtilConstants.NEW_LINE;
-import static org.onosproject.yangutils.utils.UtilConstants.OPEN_CURLY_BRACKET;
-import static org.onosproject.yangutils.utils.UtilConstants.PUBLIC;
-import static org.onosproject.yangutils.utils.UtilConstants.SERVICE_ANNOTATION_IMPORT;
-import static org.onosproject.yangutils.utils.UtilConstants.SPACE;
-import static org.onosproject.yangutils.utils.UtilConstants.TYPE;
-import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.updateFileHandle;
-import static java.util.Collections.sort;
-
-/**
- * Represents utilities for temporary java code fragments.
- */
-public final class TempJavaCodeFragmentFilesUtils {
-
-    /**
-     * Creates a private instance of temporary java code fragment utils.
-     */
-    private TempJavaCodeFragmentFilesUtils() {
-    }
-
-    /**
-     * Adds import for AugmentationHolders class.
-     *
-     * @param curNode   current YANG node
-     * @param imports   list of imports
-     * @param operation add or delete import
-     */
-    public static void addAugmentationHoldersImport(YangNode curNode, List<String> imports, boolean operation) {
-        String thisImport = getTempJavaFragement(curNode).getJavaImportData().getAugmentationHolderImport();
-        performOperationOnImports(imports, thisImport, operation);
-    }
-
-    /**
-     * Adds import for AugmentedInfo class.
-     *
-     * @param curNode   current YANG node
-     * @param imports   list of imports
-     * @param operation add or delete import
-     */
-    public static void addAugmentedInfoImport(YangNode curNode, List<String> imports, boolean operation) {
-        String thisImport = getTempJavaFragement(curNode).getJavaImportData().getAugmentedInfoImport();
-        performOperationOnImports(imports, thisImport, operation);
-    }
-
-    /**
-     * Returns temp java fragment.
-     *
-     * @param curNode current YANG node
-     * @return temp java fragments
-     */
-    public static TempJavaFragmentFiles getTempJavaFragement(YangNode curNode) {
-        TempJavaCodeFragmentFiles container = ((TempJavaCodeFragmentFilesContainer) curNode)
-                .getTempJavaCodeFragmentFiles();
-        if (container.getBeanTempFiles() != null) {
-            return container.getBeanTempFiles();
-        }
-        if (container.getServiceTempFiles() != null) {
-            return container.getServiceTempFiles();
-        }
-
-        return null;
-    }
-
-    /**
-     * Adds import for array list.
-     *
-     * @param curNode   current YANG node
-     * @param imports   list of imports
-     * @param operation add or delete import
-     */
-    public static void addArrayListImport(YangNode curNode, List<String> imports, boolean operation) {
-        String arrayListImport = getTempJavaFragement(curNode).getJavaImportData().getImportForArrayList();
-        String listImport = getTempJavaFragement(curNode).getJavaImportData().getImportForList();
-        performOperationOnImports(imports, arrayListImport, operation);
-        if (!imports.contains(listImport)) {
-            /**
-             * List can be there because of attribute also , so no need to remove it and operation will
-             * always be add(true).
-             */
-            performOperationOnImports(imports, listImport, true);
-        }
-    }
-
-    /**
-     * Adds listener's imports.
-     *
-     * @param curNode   currentYangNode.
-     * @param imports   import list
-     * @param operation add or remove
-     * @param classInfo class info to be added to import list
-     */
-    public static void addListnersImport(YangNode curNode, List<String> imports, boolean operation,
-                                         String classInfo) {
-        String thisImport = "";
-        if (classInfo.equals(LISTENER_SERVICE)) {
-            thisImport = getTempJavaFragement(curNode).getJavaImportData().getListenerServiceImport();
-            performOperationOnImports(imports, thisImport, operation);
-        } else {
-            thisImport = getTempJavaFragement(curNode).getJavaImportData().getListenerRegistryImport();
-            performOperationOnImports(imports, thisImport, operation);
-        }
-    }
-
-    /**
-     * Adds annotations imports.
-     *
-     * @param imports   list if imports
-     * @param operation to add or to delete
-     */
-    public static void addAnnotationsImports(List<String> imports, boolean operation) {
-        if (operation) {
-            imports.add(ACTIVATE_ANNOTATION_IMPORT);
-            imports.add(DEACTIVATE_ANNOTATION_IMPORT);
-            imports.add(COMPONENT_ANNOTATION_IMPORT);
-            imports.add(SERVICE_ANNOTATION_IMPORT);
-            imports.add(LOGGER_FACTORY_IMPORT);
-            imports.add(LOGGER_IMPORT);
-        } else {
-            imports.remove(ACTIVATE_ANNOTATION_IMPORT);
-            imports.remove(DEACTIVATE_ANNOTATION_IMPORT);
-            imports.remove(COMPONENT_ANNOTATION_IMPORT);
-            imports.remove(SERVICE_ANNOTATION_IMPORT);
-            imports.remove(LOGGER_FACTORY_IMPORT);
-            imports.remove(LOGGER_IMPORT);
-        }
-        sortImports(imports);
-    }
-
-    /**
-     * Performs given operations on import list.
-     *
-     * @param imports   list of imports
-     * @param curImport current import
-     * @param operation add or remove
-     * @return import list
-     */
-    private static List<String> performOperationOnImports(List<String> imports, String curImport,
-                                                          boolean operation) {
-        if (operation) {
-            imports.add(curImport);
-        } else {
-            imports.remove(curImport);
-        }
-        sortImports(imports);
-        return imports;
-    }
-
-    /**
-     * Returns true if AugmentationHolder class needs to be extended.
-     *
-     * @param extendsList list of classes need to be extended
-     * @return true or false
-     */
-    public static boolean isAugmentationHolderExtended(List<JavaQualifiedTypeInfo> extendsList) {
-        for (JavaQualifiedTypeInfo info : extendsList) {
-            return info.getClassInfo().equals(AUGMENTATION_HOLDER);
-        }
-        return false;
-    }
-
-    /**
-     * Returns true if AugmentedInfo class needs to be extended.
-     *
-     * @param extendsList list of classes need to be extended
-     * @return true or false
-     */
-    public static boolean isAugmentedInfoExtended(List<JavaQualifiedTypeInfo> extendsList) {
-        for (JavaQualifiedTypeInfo info : extendsList) {
-            return info.getClassInfo().equals(AUGMENTED_INFO);
-        }
-        return false;
-    }
-
-    /**
-     * Closes the file handle for temporary file.
-     *
-     * @param file        file to be closed
-     * @param toBeDeleted flag to indicate if file needs to be deleted
-     * @throws IOException when failed to close the file handle
-     */
-    public static void closeFile(File file, boolean toBeDeleted)
-            throws IOException {
-
-        if (file != null) {
-            updateFileHandle(file, null, true);
-            if (toBeDeleted) {
-                file.delete();
-            }
-        }
-    }
-
-    /**
-     * Returns sorted import list.
-     *
-     * @param imports import list
-     * @return sorted import list
-     */
-    public static List<String> sortImports(List<String> imports) {
-        sort(imports);
-        return imports;
-    }
-
-    /**
-     * Returns event enum start.
-     *
-     * @return event enum start
-     */
-    public static String getEventEnumTypeStart() {
-        return FOUR_SPACE_INDENTATION + PUBLIC + SPACE + ENUM + SPACE + TYPE + SPACE + OPEN_CURLY_BRACKET
-                + NEW_LINE;
-    }
-}