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 ff5f7ba..f671ecf 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
@@ -38,11 +38,14 @@
 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.translator.tojava.GeneratedJavaFileType.OPERATION_BUILDER_CLASS_MASK;
+import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.OPERATION_CLASS_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.OPERATION;
 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;
@@ -123,8 +126,12 @@
                 return getInterfaceDefinition(yangName, curNode);
             case BUILDER_CLASS_MASK:
                 return getBuilderClassDefinition(yangName, curNode);
+            case OPERATION_BUILDER_CLASS_MASK:
+                return getOpParamBuilderClassDefinition(yangName, curNode);
             case IMPL_CLASS_MASK:
                 return getImplClassDefinition(yangName, curNode);
+            case OPERATION_CLASS_MASK:
+                return getOperClassDefinition(yangName, curNode);
             case BUILDER_INTERFACE_MASK:
                 return getBuilderInterfaceDefinition(yangName, curNode);
             case GENERATE_SERVICE_AND_MANAGER:
@@ -205,6 +212,26 @@
     }
 
     /**
+     * Returns operation param builder file class definition.
+     *
+     * @param yangName class name
+     * @param curNode   YANG node
+     * @return definition returns operation param builder file class definition
+     */
+    private static String getOpParamBuilderClassDefinition(String yangName, YangNode curNode) {
+        String clsDef = "";
+        if (curNode instanceof YangAugment) {
+            clsDef = getClassDefinitionForWhenExtended(curNode, yangName, OPERATION_BUILDER_CLASS_MASK);
+            if (clsDef != null) {
+                return clsDef;
+            }
+        }
+        return PUBLIC + SPACE + CLASS + SPACE + yangName + OPERATION + BUILDER + SPACE + EXTEND +
+                SPACE + getCapitalCase(DEFAULT) + yangName + PERIOD + yangName + BUILDER + SPACE +
+                OPEN_CURLY_BRACKET + NEW_LINE;
+    }
+
+    /**
      * Returns impl file class definition.
      *
      * @param yangName file name
@@ -223,6 +250,26 @@
     }
 
     /**
+     * Returns operation param file class definition.
+     *
+     * @param yangName class name
+     * @param curNode   YANG node
+     * @return definition returns operation param file class definition
+     */
+    private static String getOperClassDefinition(String yangName, YangNode curNode) {
+        String clsDef = "";
+        if (curNode instanceof YangAugment) {
+            clsDef = getClassDefinitionForWhenExtended(curNode, yangName, OPERATION_CLASS_MASK);
+            if (clsDef != null) {
+                return clsDef;
+            }
+        }
+
+        return PUBLIC + SPACE + CLASS + SPACE + yangName + OPERATION + SPACE + EXTEND + SPACE
+                + getCapitalCase(DEFAULT) + yangName + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
+    }
+
+    /**
      * Returns impl file class definition.
      *
      * @param yangName file name
@@ -413,6 +460,19 @@
                     return def + SPACE + IMPLEMENTS + SPACE
                             + yangName + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
 
+                case OPERATION_CLASS_MASK:
+                    def = def + SPACE + CLASS + SPACE + yangName + OPERATION + SPACE;
+                    for (JavaQualifiedTypeInfo info : holder.getExtendsList()) {
+                        if (!info.getClassInfo().contains(BUILDER)
+                                && info.getClassInfo().contains(OPERATION)) {
+                            def = getDefinitionString(def, info, holder);
+                        }
+                    }
+
+                    def = trimAtLast(def, COMMA);
+
+                    return def + SPACE + EXTEND + SPACE
+                            + getCapitalCase(DEFAULT) + yangName + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
                 default:
                     return null;
             }
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 3f1a7d9..ade6375 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
@@ -105,16 +105,17 @@
     /**
      * 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
-     * @return 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 attributeAccessType   attribute access type
+     * @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 attributeAccessType) {
 
-        String attributeDefination = PRIVATE + SPACE;
+        String attributeDefination = attributeAccessType + SPACE;
 
         if (!isList) {
             if (javaAttributeTypePkg != null) {
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 46c9dd1..c9d28a7 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
@@ -22,6 +22,9 @@
 import java.util.List;
 
 import org.onosproject.yangutils.datamodel.YangAugment;
+import org.onosproject.yangutils.datamodel.YangLeaf;
+import org.onosproject.yangutils.datamodel.YangLeafList;
+import org.onosproject.yangutils.datamodel.YangLeavesHolder;
 import org.onosproject.yangutils.datamodel.YangAugmentableNode;
 import org.onosproject.yangutils.datamodel.YangNode;
 import org.onosproject.yangutils.translator.tojava.JavaAttributeInfo;
@@ -44,6 +47,8 @@
 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.translator.tojava.GeneratedJavaFileType.OPERATION_BUILDER_CLASS_MASK;
+import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.OPERATION_CLASS_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;
@@ -91,11 +96,21 @@
 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.getOpParamConstructorStart;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getOperationTypeSetter;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getOperationTypegetter;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getOverRideString;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getSetterForClass;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getSetterForLeaf;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getSetterForLeafList;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getSetterString;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringLeafListgetter;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringLeafgetter;
 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.MethodsGenerator.getToStringSelectLeafListgetter;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringSelectLeafgetter;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getisFilterContentMatch;
 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;
@@ -118,6 +133,27 @@
 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.UtilConstants.SUPER;
+import static org.onosproject.yangutils.utils.UtilConstants.BITSET;
+import static org.onosproject.yangutils.utils.UtilConstants.GET_FILTER_LEAF;
+import static org.onosproject.yangutils.utils.UtilConstants.FILTER_LEAF;
+import static org.onosproject.yangutils.utils.UtilConstants.SELECT_LEAF;
+import static org.onosproject.yangutils.utils.UtilConstants.GET_FILTER_LEAF_LIST;
+import static org.onosproject.yangutils.utils.UtilConstants.FILTER_LEAF_LIST;
+import static org.onosproject.yangutils.utils.UtilConstants.SELECT_LEAF_LIST;
+import static org.onosproject.yangutils.utils.UtilConstants.OPERATION_ENUM;
+import static org.onosproject.yangutils.utils.UtilConstants.OP_PARAM_TYPE;
+import static org.onosproject.yangutils.utils.UtilConstants.SPACE;
+import static org.onosproject.yangutils.utils.UtilConstants.EQUAL;
+import static org.onosproject.yangutils.utils.UtilConstants.NEW;
+import static org.onosproject.yangutils.utils.UtilConstants.STATIC;
+import static org.onosproject.yangutils.utils.UtilConstants.ENUM;
+import static org.onosproject.yangutils.utils.UtilConstants.OPEN_CURLY_BRACKET;
+import static org.onosproject.yangutils.utils.UtilConstants.MERGE;
+import static org.onosproject.yangutils.utils.UtilConstants.REPLACE;
+import static org.onosproject.yangutils.utils.UtilConstants.CREATE;
+import static org.onosproject.yangutils.utils.UtilConstants.REMOVE;
+import static org.onosproject.yangutils.utils.UtilConstants.DELETE;
+import static org.onosproject.yangutils.utils.UtilConstants.PERIOD;
 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;
@@ -328,6 +364,119 @@
     }
 
     /**
+     * Returns generated op param builder class file for current node.
+     * @param file    file handle
+     * @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 generateOpParamBuilderClassFile(File file, YangNode curNode,
+                                                boolean isAttrPresent) throws IOException {
+
+        JavaFileInfo javaFileInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
+        YangPluginConfig pluginConfig = javaFileInfo.getPluginConfig();
+
+        String className = getCapitalCase(javaFileInfo.getJavaName());
+
+        initiateJavaFileGeneration(file, OPERATION_BUILDER_CLASS_MASK, null, curNode, className);
+        List<String> methods = new ArrayList<>();
+
+        if (isAttrPresent) {
+            /**
+             * Add attribute strings.
+             */
+            try {
+                insertDataIntoJavaFile(file, FOUR_SPACE_INDENTATION + PRIVATE + SPACE +
+                        OPERATION_ENUM + SPACE + OP_PARAM_TYPE + SEMI_COLAN + NEW_LINE);
+
+            } catch (IOException e) {
+                throw new IOException("No data found in temporary java code fragment files for " + className
+                                              + " while impl class file generation");
+            }
+
+            try {
+                if (curNode instanceof YangLeavesHolder) {
+                    YangLeavesHolder leavesHolder = (YangLeavesHolder) curNode;
+                    List<YangLeaf> leaves = leavesHolder.getListOfLeaf();
+                    List<YangLeafList> listOfLeafList = leavesHolder.getListOfLeafList();
+
+                    if (leaves != null && !leaves.isEmpty()) {
+                        insertDataIntoJavaFile(file, FOUR_SPACE_INDENTATION + PRIVATE + SPACE +
+                                BITSET + SPACE + FILTER_LEAF + SPACE + EQUAL + SPACE +
+                                NEW + SPACE + BITSET + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SEMI_COLAN
+                                + NEW_LINE);
+
+                        insertDataIntoJavaFile(file, FOUR_SPACE_INDENTATION + PRIVATE + SPACE +
+                                BITSET + SPACE + SELECT_LEAF + SPACE + EQUAL + SPACE +
+                                NEW + SPACE + BITSET + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + SEMI_COLAN + NEW_LINE);
+                    }
+
+                    if (listOfLeafList != null && !listOfLeafList.isEmpty()) {
+                        insertDataIntoJavaFile(file, FOUR_SPACE_INDENTATION + PRIVATE + SPACE +
+                                BITSET + SPACE + FILTER_LEAF_LIST + SPACE + EQUAL + SPACE +
+                                NEW + SPACE + BITSET + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + SEMI_COLAN + NEW_LINE);
+
+                        insertDataIntoJavaFile(file, FOUR_SPACE_INDENTATION + PRIVATE + SPACE +
+                                BITSET + SPACE + SELECT_LEAF_LIST + SPACE + EQUAL + SPACE +
+                                NEW + SPACE + BITSET + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + SEMI_COLAN + NEW_LINE);
+                    }
+                }
+
+            } catch (IOException e) {
+                throw new IOException("No data found in temporary java code fragment files for " + className
+                                              + " while impl class file generation");
+            }
+
+            try {
+                /**
+                 * Setter methods.
+                 */
+                methods.add(getSetterForLeaf(className, curNode, pluginConfig));
+                methods.add(getSetterForLeafList(className, curNode, pluginConfig));
+
+                if (curNode instanceof YangLeavesHolder) {
+                    YangLeavesHolder leavesHolder = (YangLeavesHolder) curNode;
+                    List<YangLeaf> leaves = leavesHolder.getListOfLeaf();
+                    List<YangLeafList> listOfLeafList = leavesHolder.getListOfLeafList();
+
+                    if (leaves != null && !leaves.isEmpty()) {
+                        methods.add(getToStringLeafgetter());
+                        methods.add(getToStringSelectLeafgetter());
+                    }
+
+                    if (listOfLeafList != null && !listOfLeafList.isEmpty()) {
+                        methods.add(getToStringLeafListgetter());
+                        methods.add(getToStringSelectLeafListgetter());
+                    }
+                }
+
+                methods.add(getOperationTypegetter());
+                methods.add(getOperationTypeSetter());
+                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");
+            }
+        } else {
+            insertDataIntoJavaFile(file, NEW_LINE);
+        }
+
+        /**
+         * Add methods in builder class.
+         */
+        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
@@ -513,6 +662,160 @@
     }
 
     /**
+     * Returns generated op param class file for current node.
+     *
+     * @param file           file handle
+     * @param curNode        current YANG node
+     * @param isAttrPresent  if any attribute is present or not
+     * @param imports        import list
+     * @return    returns generated op param class file for current node
+     * @throws IOException when fails to write in file
+     */
+    public static File generateOpParamImplClassFile(File file, YangNode curNode,
+                                                    boolean isAttrPresent, List<String> imports)
+            throws IOException {
+
+        JavaFileInfo javaFileInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
+        YangPluginConfig pluginConfig = javaFileInfo.getPluginConfig();
+
+        String className = getCapitalCase(javaFileInfo.getJavaName());
+        String path = javaFileInfo.getBaseCodeGenPath() + javaFileInfo.getPackageFilePath();
+
+        initiateJavaFileGeneration(file, OPERATION_CLASS_MASK, imports, curNode, className);
+
+        List<String> methods = new ArrayList<>();
+
+        if (isAttrPresent) {
+            /**
+             * Add attribute strings.
+             */
+            try {
+                insertDataIntoJavaFile(file, FOUR_SPACE_INDENTATION + PUBLIC + SPACE + STATIC +
+                        SPACE + ENUM + SPACE + OPERATION_ENUM + SPACE + OPEN_CURLY_BRACKET +
+                        NEW_LINE + EIGHT_SPACE_INDENTATION + MERGE +
+                        NEW_LINE + EIGHT_SPACE_INDENTATION + REPLACE +
+                        NEW_LINE + EIGHT_SPACE_INDENTATION + CREATE +
+                        NEW_LINE + EIGHT_SPACE_INDENTATION + DELETE +
+                        NEW_LINE + EIGHT_SPACE_INDENTATION + REMOVE +
+                        NEW_LINE + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET + NEW_LINE);
+
+            } catch (IOException e) {
+                throw new IOException("No data found in temporary java code fragment files for " + className
+                                              + " while impl class file generation");
+            }
+
+            /**
+             * Add attribute strings.
+             */
+            try {
+                insertDataIntoJavaFile(file, FOUR_SPACE_INDENTATION + PRIVATE + SPACE +
+                        OPERATION_ENUM + SPACE + OP_PARAM_TYPE + SEMI_COLAN + NEW_LINE);
+
+            } catch (IOException e) {
+                throw new IOException("No data found in temporary java code fragment files for " + className
+                                              + " while impl class file generation");
+            }
+
+            try {
+                if (curNode instanceof YangLeavesHolder) {
+                    YangLeavesHolder leavesHolder = (YangLeavesHolder) curNode;
+                    List<YangLeaf> leaves = leavesHolder.getListOfLeaf();
+                    List<YangLeafList> listOfLeafList = leavesHolder.getListOfLeafList();
+
+                    if (leaves != null && !leaves.isEmpty()) {
+                        insertDataIntoJavaFile(file, FOUR_SPACE_INDENTATION + PRIVATE + SPACE +
+                                BITSET + SPACE + FILTER_LEAF + SPACE + EQUAL + SPACE +
+                                NEW + SPACE + BITSET + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + SEMI_COLAN + NEW_LINE);
+
+                        insertDataIntoJavaFile(file, FOUR_SPACE_INDENTATION + PRIVATE + SPACE +
+                                BITSET + SPACE + SELECT_LEAF + SPACE + EQUAL + SPACE +
+                                NEW + SPACE + BITSET + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + SEMI_COLAN + NEW_LINE);
+                    }
+
+                    if (listOfLeafList != null && !listOfLeafList.isEmpty()) {
+                        insertDataIntoJavaFile(file, FOUR_SPACE_INDENTATION + PRIVATE + SPACE +
+                                BITSET + SPACE + FILTER_LEAF_LIST + SPACE + EQUAL + SPACE +
+                                NEW + SPACE + BITSET + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + SEMI_COLAN + NEW_LINE);
+
+                        insertDataIntoJavaFile(file, FOUR_SPACE_INDENTATION + PRIVATE + SPACE +
+                                BITSET + SPACE + SELECT_LEAF_LIST + SPACE + EQUAL + SPACE +
+                                NEW + SPACE + BITSET + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + SEMI_COLAN + NEW_LINE);
+                    }
+                }
+
+            } catch (IOException e) {
+                throw new IOException("No data found in temporary java code fragment files for " + className
+                                              + " while impl class file generation");
+            }
+
+            if (curNode instanceof YangLeavesHolder) {
+                YangLeavesHolder leavesHolder = (YangLeavesHolder) curNode;
+                List<YangLeaf> leaves = leavesHolder.getListOfLeaf();
+                List<YangLeafList> listOfLeafList = leavesHolder.getListOfLeafList();
+
+                if (leaves != null && !leaves.isEmpty()) {
+                    methods.add(getToStringLeafgetter());
+                    methods.add(getToStringSelectLeafgetter());
+                }
+
+                if (listOfLeafList != null && !listOfLeafList.isEmpty()) {
+                    methods.add(getToStringLeafListgetter());
+                    methods.add(getToStringSelectLeafListgetter());
+                }
+            }
+
+            methods.add(getOperationTypegetter());
+            methods.add(getisFilterContentMatch(className, curNode, pluginConfig));
+
+        } else {
+            insertDataIntoJavaFile(file, NEW_LINE);
+        }
+        String constructor = getOpParamConstructorStart(className, pluginConfig);
+
+        constructor = constructor + EIGHT_SPACE_INDENTATION + SUPER + OPEN_PARENTHESIS
+                + BUILDER.toLowerCase() + OBJECT
+                + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+
+        if (curNode instanceof YangLeavesHolder) {
+            YangLeavesHolder leavesHolder = (YangLeavesHolder) curNode;
+            List<YangLeaf> leaves = leavesHolder.getListOfLeaf();
+            List<YangLeafList> listOfLeafList = leavesHolder.getListOfLeafList();
+            String filterLeaf = "";
+            String filterLeafList = "";
+
+            if (leaves != null && !leaves.isEmpty()) {
+                filterLeaf = EIGHT_SPACE_INDENTATION + FILTER_LEAF + SPACE + EQUAL + SPACE
+                        + BUILDER.toLowerCase() + OBJECT + PERIOD + GET_FILTER_LEAF + OPEN_PARENTHESIS
+                        + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+            }
+
+            if (listOfLeafList != null && !listOfLeafList.isEmpty()) {
+                filterLeafList = EIGHT_SPACE_INDENTATION + FILTER_LEAF_LIST + SPACE + EQUAL + SPACE
+                        + BUILDER.toLowerCase() + OBJECT + PERIOD + GET_FILTER_LEAF_LIST + OPEN_PARENTHESIS
+                        + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+            }
+
+            constructor = constructor + filterLeaf + filterLeafList;
+        }
+
+        methods.add(constructor + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET);
+
+        /**
+         * Add methods in impl class.
+         */
+        for (String method : methods) {
+            insertDataIntoJavaFile(file, method);
+        }
+
+
+        return validateLineLength(file);
+    }
+
+    /**
      * Generates class file for type def.
      *
      * @param file    generated file
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 6f4fa9b..14e71ad 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
@@ -55,6 +55,8 @@
 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.translator.tojava.GeneratedJavaFileType.OPERATION_BUILDER_CLASS_MASK;
+import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.OPERATION_CLASS_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;
@@ -95,6 +97,7 @@
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.EVENT;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.EVENT_LISTENER;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.EVENT_SUBJECT_CLASS;
+import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.OPERATION_CLASS;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.IMPL_CLASS;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.INTERFACE;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.RPC_INTERFACE;
@@ -371,9 +374,16 @@
                 appendHeaderContents(file, pkgString, importsList);
                 write(file, genType, IMPL_CLASS, curNode, className);
                 break;
+            case OPERATION_CLASS_MASK:
+                appendHeaderContents(file, pkgString, importsList);
+                write(file, genType, OPERATION_CLASS, curNode, className);
+                break;
             case BUILDER_CLASS_MASK:
                 write(file, genType, BUILDER_CLASS, curNode, className);
                 break;
+            case OPERATION_BUILDER_CLASS_MASK:
+                write(file, genType, BUILDER_CLASS, curNode, className);
+                break;
             case BUILDER_INTERFACE_MASK:
                 write(file, genType, BUILDER_INTERFACE, curNode, className);
                 break;
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 ffc0a46..14243ca 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
@@ -19,6 +19,9 @@
 import java.util.List;
 import java.util.Map;
 
+import org.onosproject.yangutils.datamodel.YangLeaf;
+import org.onosproject.yangutils.datamodel.YangLeafList;
+import org.onosproject.yangutils.datamodel.YangLeavesHolder;
 import org.onosproject.yangutils.datamodel.YangAtomicPath;
 import org.onosproject.yangutils.datamodel.YangAugment;
 import org.onosproject.yangutils.datamodel.YangNode;
@@ -27,15 +30,29 @@
 import org.onosproject.yangutils.translator.exception.TranslatorException;
 import org.onosproject.yangutils.translator.tojava.JavaAttributeInfo;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfoContainer;
+import org.onosproject.yangutils.translator.tojava.JavaCodeGeneratorInfo;
+import org.onosproject.yangutils.translator.tojava.TempJavaBeanFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.JavaDocGen;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
+import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.DECIMAL64;
+import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.INT8;
+import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.INT16;
+import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.INT32;
+import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.INT64;
+import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.UINT8;
+import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.UINT16;
+import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.BOOLEAN;
+import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.UINT64;
+import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.UINT32;
 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.JavaFileGeneratorUtils.getAugmentedClassNameForDataMethods;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getParentNodeNameForDataMethods;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getResolvedAugmentsForManager;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getSetOfNodeIdentifiers;
+import static org.onosproject.yangutils.translator.tojava.TempJavaFragmentFiles.getJavaAttributeOfLeaf;
+import static org.onosproject.yangutils.translator.tojava.TempJavaFragmentFiles.getJavaAttributeOfLeafList;
 import static org.onosproject.yangutils.utils.UtilConstants.ACTIVATE;
 import static org.onosproject.yangutils.utils.UtilConstants.ACTIVATE_ANNOTATION;
 import static org.onosproject.yangutils.utils.UtilConstants.ADD_STRING;
@@ -134,6 +151,25 @@
 import static org.onosproject.yangutils.utils.UtilConstants.VOID;
 import static org.onosproject.yangutils.utils.UtilConstants.YANG_AUGMENTED_INFO;
 import static org.onosproject.yangutils.utils.UtilConstants.YANG_UTILS_TODO;
+import static org.onosproject.yangutils.utils.UtilConstants.OPERATION;
+import static org.onosproject.yangutils.utils.UtilConstants.BITSET;
+import static org.onosproject.yangutils.utils.UtilConstants.GET_FILTER_LEAF;
+import static org.onosproject.yangutils.utils.UtilConstants.FILTER_LEAF;
+import static org.onosproject.yangutils.utils.UtilConstants.GET_SELECT_LEAF;
+import static org.onosproject.yangutils.utils.UtilConstants.SELECT_LEAF;
+import static org.onosproject.yangutils.utils.UtilConstants.GET_FILTER_LEAF_LIST;
+import static org.onosproject.yangutils.utils.UtilConstants.FILTER_LEAF_LIST;
+import static org.onosproject.yangutils.utils.UtilConstants.GET_SELECT_LEAF_LIST;
+import static org.onosproject.yangutils.utils.UtilConstants.SELECT_LEAF_LIST;
+import static org.onosproject.yangutils.utils.UtilConstants.OPERATION_ENUM;
+import static org.onosproject.yangutils.utils.UtilConstants.GET_OPERATION_TYPE;
+import static org.onosproject.yangutils.utils.UtilConstants.OP_PARAM_TYPE;
+import static org.onosproject.yangutils.utils.UtilConstants.SET_OPERATION_TYPE;
+import static org.onosproject.yangutils.utils.UtilConstants.RECEIVED_OBJECT;
+import static org.onosproject.yangutils.utils.UtilConstants.FILTER_CONTENT_MATCH;
+import static org.onosproject.yangutils.utils.UtilConstants.APP_INSTANCE;
+import static org.onosproject.yangutils.utils.UtilConstants.NOT;
+import static org.onosproject.yangutils.utils.UtilConstants.OR_OPERATION;
 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;
@@ -537,6 +573,21 @@
     }
 
     /**
+     * Returns constructor string for op param class.
+     *
+     * @param yangName      class name
+     * @param pluginConfig    plugin configurations
+     * @return     constructor string
+     */
+    public static String getOpParamConstructorStart(String yangName, YangPluginConfig pluginConfig) {
+
+        String javadoc = getConstructorString(yangName, pluginConfig);
+        String constructor = FOUR_SPACE_INDENTATION + PUBLIC + SPACE + yangName + OPERATION +
+                OPEN_PARENTHESIS + yangName + OPERATION + BUILDER + SPACE + BUILDER.toLowerCase() + OBJECT
+                + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET + NEW_LINE;
+        return javadoc + constructor;
+    }
+    /**
      * Returns the constructor strings for class file.
      *
      * @param attr               attribute info
@@ -652,6 +703,278 @@
     }
 
     /**
+     * Returns to string leaf for get method.
+     *
+     * @return  string leaf for get method
+     */
+    public static String getToStringLeafgetter() {
+        return NEW_LINE + NEW_LINE + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + BITSET + SPACE + GET_FILTER_LEAF
+                +  OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET + NEW_LINE
+                + EIGHT_SPACE_INDENTATION + RETURN + SPACE + FILTER_LEAF + SEMI_COLAN + NEW_LINE
+                + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
+    }
+
+    /**
+     * Returns to string select leaf for get method.
+     *
+     * @return select leaf string for get method
+     */
+    public static String getToStringSelectLeafgetter() {
+        return NEW_LINE + NEW_LINE + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + BITSET + SPACE + GET_SELECT_LEAF
+                +  OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET + NEW_LINE
+                + EIGHT_SPACE_INDENTATION + RETURN + SPACE + SELECT_LEAF + SEMI_COLAN + NEW_LINE
+                + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
+    }
+
+    /**
+     * Returns to string leaf list for get method.
+     *
+     * @return  string leaf list for get method
+     */
+    public static String getToStringLeafListgetter() {
+        return NEW_LINE + NEW_LINE + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + BITSET + SPACE + GET_FILTER_LEAF_LIST
+                +  OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET + NEW_LINE
+                + EIGHT_SPACE_INDENTATION + RETURN + SPACE + FILTER_LEAF_LIST + SEMI_COLAN + NEW_LINE
+                + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
+    }
+
+    /**
+     * Returns to string select leaf list for get.
+     *
+     * @return select leaf list list for get
+     */
+    public static String getToStringSelectLeafListgetter() {
+        return NEW_LINE + NEW_LINE + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + BITSET + SPACE + GET_SELECT_LEAF_LIST
+                +  OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET + NEW_LINE
+                + EIGHT_SPACE_INDENTATION + RETURN + SPACE + SELECT_LEAF_LIST + SEMI_COLAN + NEW_LINE
+                + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
+    }
+
+    /**
+     * Returns to string operation type for get method.
+     *
+     * @return operation type for get method
+     */
+    public static String getOperationTypegetter() {
+        return NEW_LINE + NEW_LINE + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + OPERATION_ENUM
+                + SPACE + GET_OPERATION_TYPE +  OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SPACE
+                + OPEN_CURLY_BRACKET + NEW_LINE + EIGHT_SPACE_INDENTATION + RETURN + SPACE
+                + OP_PARAM_TYPE + SEMI_COLAN + NEW_LINE + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
+    }
+
+    /**
+     * Returns to string operation type for set.
+     *
+     * @return operation type set method
+     */
+    public static String getOperationTypeSetter() {
+        return NEW_LINE + NEW_LINE + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + VOID + SPACE + SET_OPERATION_TYPE
+                +  OPEN_PARENTHESIS + OPERATION_ENUM + SPACE + getSmallCase(OPERATION_ENUM) + CLOSE_PARENTHESIS
+                + SPACE + OPEN_CURLY_BRACKET + NEW_LINE + EIGHT_SPACE_INDENTATION + THIS + PERIOD
+                + OP_PARAM_TYPE + SPACE + EQUAL + SPACE + getSmallCase(OPERATION_ENUM) + SEMI_COLAN + NEW_LINE
+                + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET + NEW_LINE;
+    }
+
+    /**
+     * Returns string for leaf set method.
+     *
+     * @param className   class name
+     * @param curnode    current YANG node
+     * @param pluginConfig plugin configurations
+     * @return  string for leaf set method
+     */
+    public static String getSetterForLeaf(String className, YangNode curnode, YangPluginConfig pluginConfig) {
+
+        int numleaf = 1;
+        String filterMethod = "";
+        TempJavaBeanFragmentFiles tempFragmentFiles = ((JavaCodeGeneratorInfo) curnode)
+                .getTempJavaCodeFragmentFiles().getBeanTempFiles();
+        if (curnode instanceof YangLeavesHolder) {
+            YangLeavesHolder leavesHolder = (YangLeavesHolder) curnode;
+            List<YangLeaf> leaves = leavesHolder.getListOfLeaf();
+            if (leaves !=  null && !leaves.isEmpty()) {
+                for (YangLeaf leaf : leaves) {
+                    JavaAttributeInfo javaAttributeInfo = getJavaAttributeOfLeaf(tempFragmentFiles, leaf, pluginConfig);
+                    String attrQuaifiedType = getReturnType(javaAttributeInfo);
+                    String attributeName = javaAttributeInfo.getAttributeName();
+
+                    filterMethod = filterMethod + NEW_LINE + FOUR_SPACE_INDENTATION + OVERRIDE + NEW_LINE
+                            + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + className + BUILDER + SPACE
+                            + attributeName + OPEN_PARENTHESIS + attrQuaifiedType
+                            + SPACE + RECEIVED_OBJECT + attributeName + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET
+                            + NEW_LINE + EIGHT_SPACE_INDENTATION + attributeName + SPACE + EQUAL + SPACE
+                            + RECEIVED_OBJECT + attributeName + SEMI_COLAN + NEW_LINE + EIGHT_SPACE_INDENTATION
+                            + GET_FILTER_LEAF + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + PERIOD + SET_METHOD_PREFIX
+                            + OPEN_PARENTHESIS + String.valueOf(numleaf) + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE
+                            + EIGHT_SPACE_INDENTATION + RETURN + SPACE + THIS + SEMI_COLAN + NEW_LINE
+                            + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
+                    numleaf++;
+                }
+            }
+        }
+        return filterMethod;
+    }
+
+    /**
+     * Returns string for leaf list set method.
+     *
+     * @param className  class name
+     * @param curnode    current YANG node
+     * @param pluginConfig  plugin configurations
+     * @return string for leaf list set method
+     */
+    public static String getSetterForLeafList(String className, YangNode curnode, YangPluginConfig pluginConfig) {
+
+        int numleaf = 1;
+        String filterMethod = "";
+        TempJavaBeanFragmentFiles tempFragmentFiles = ((JavaCodeGeneratorInfo) curnode)
+                .getTempJavaCodeFragmentFiles().getBeanTempFiles();
+        if (curnode instanceof YangLeavesHolder) {
+            YangLeavesHolder leavesHolder = (YangLeavesHolder) curnode;
+            List<YangLeafList> listOfLeafList = leavesHolder.getListOfLeafList();
+
+            if (listOfLeafList !=  null && !listOfLeafList.isEmpty()) {
+                for (YangLeafList leafList : listOfLeafList) {
+                    JavaAttributeInfo javaAttributeInfo = getJavaAttributeOfLeafList(tempFragmentFiles, leafList,
+                                                                                     pluginConfig);
+                    String attributeName = javaAttributeInfo.getAttributeName();
+                    String attrQuaifiedType = getReturnType(javaAttributeInfo);
+                    if (javaAttributeInfo.isListAttr()) {
+                        attrQuaifiedType = getListString() + attrQuaifiedType + DIAMOND_CLOSE_BRACKET;
+                    }
+                    filterMethod = filterMethod + NEW_LINE + FOUR_SPACE_INDENTATION + OVERRIDE + NEW_LINE
+                            + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + className + BUILDER + SPACE
+                            + attributeName + OPEN_PARENTHESIS + attrQuaifiedType
+                            + SPACE + RECEIVED_OBJECT + attributeName + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET
+                            + NEW_LINE + EIGHT_SPACE_INDENTATION + attributeName + SPACE + EQUAL + SPACE
+                            + RECEIVED_OBJECT + attributeName + SEMI_COLAN + NEW_LINE + EIGHT_SPACE_INDENTATION
+                            + GET_FILTER_LEAF_LIST + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + PERIOD + SET_METHOD_PREFIX
+                            + OPEN_PARENTHESIS + String.valueOf(numleaf) + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE
+                            + EIGHT_SPACE_INDENTATION + RETURN + SPACE + THIS + SEMI_COLAN + NEW_LINE
+                            + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
+                    numleaf++;
+                }
+            }
+        }
+        return filterMethod;
+    }
+
+    /**
+     * Returns whether the data type is of primitive data type.
+     *
+     * @param dataType data type to be checked
+     * @return true, if data type can have primitive data type, false otherwise
+     */
+    public static boolean isPrimitiveDataType(YangDataTypes dataType) {
+        return dataType == INT8
+                || dataType == INT16
+                || dataType == INT32
+                || dataType == INT64
+                || dataType == UINT8
+                || dataType == UINT16
+                || dataType == UINT32
+                || dataType == UINT64
+                || dataType == DECIMAL64
+                || dataType == BOOLEAN;
+    }
+
+    /**
+     * Returns string for is filter content match method.
+     *
+     * @param className   class name
+     * @param curnode   current YANG node
+     * @param pluginConfig   plugin configurations
+     * @return  string for is filter content match method
+     */
+    public static String getisFilterContentMatch(String className, YangNode curnode, YangPluginConfig pluginConfig) {
+
+        int numleaf = 1;
+        String filterMethod = "";
+        TempJavaBeanFragmentFiles tempFragmentFiles = ((JavaCodeGeneratorInfo) curnode)
+                .getTempJavaCodeFragmentFiles().getBeanTempFiles();
+
+        if (curnode instanceof YangLeavesHolder) {
+            YangLeavesHolder leavesHolder = (YangLeavesHolder) curnode;
+            List<YangLeaf> leaves = leavesHolder.getListOfLeaf();
+            List<YangLeafList> listOfLeafList = leavesHolder.getListOfLeafList();
+            if (leaves !=  null || listOfLeafList != null) {
+                filterMethod = NEW_LINE + NEW_LINE + FOUR_SPACE_INDENTATION + PUBLIC + SPACE + BOOLEAN_DATA_TYPE
+                        + SPACE + FILTER_CONTENT_MATCH + OPEN_PARENTHESIS + getCapitalCase(DEFAULT)
+                        + getCapitalCase(className) + SPACE + APP_INSTANCE + CLOSE_PARENTHESIS + SPACE
+                        + OPEN_CURLY_BRACKET + NEW_LINE;
+            }
+            if (leaves !=  null) {
+                for (YangLeaf leaf : leaves) {
+                    JavaAttributeInfo javaAttributeInfo = getJavaAttributeOfLeaf(tempFragmentFiles, leaf,
+                                                                                 pluginConfig);
+                    String attributeName = javaAttributeInfo.getAttributeName();
+
+                    String attrQuaifiedType = "";
+                    if (isPrimitiveDataType(leaf.getDataType().getDataType())) {
+                        attrQuaifiedType = APP_INSTANCE + PERIOD + attributeName + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + SPACE + NOT + EQUAL + SPACE + attributeName + OPEN_PARENTHESIS
+                                + CLOSE_PARENTHESIS;
+                    } else {
+                        attrQuaifiedType = APP_INSTANCE + PERIOD + attributeName + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + SPACE + EQUAL + EQUAL + SPACE + NULL + SPACE + OR_OPERATION + SPACE + OPEN_PARENTHESIS
+                                + NOT + OPEN_PARENTHESIS + attributeName + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + PERIOD + EQUALS_STRING + OPEN_PARENTHESIS + APP_INSTANCE + PERIOD
+                                + attributeName + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + CLOSE_PARENTHESIS
+                                + CLOSE_PARENTHESIS + CLOSE_PARENTHESIS;
+                    }
+
+                    filterMethod = filterMethod + EIGHT_SPACE_INDENTATION + IF + SPACE + OPEN_PARENTHESIS
+                            + GET_FILTER_LEAF + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + PERIOD + GET_METHOD_PREFIX
+                            + OPEN_PARENTHESIS + String.valueOf(numleaf) + CLOSE_PARENTHESIS + CLOSE_PARENTHESIS
+                            + SPACE + OPEN_CURLY_BRACKET + NEW_LINE + TWELVE_SPACE_INDENTATION + IF + SPACE
+                            + OPEN_PARENTHESIS + attrQuaifiedType + CLOSE_PARENTHESIS + SPACE
+                            + OPEN_CURLY_BRACKET + NEW_LINE + SIXTEEN_SPACE_INDENTATION + RETURN + SPACE + FALSE
+                            + SEMI_COLAN + NEW_LINE + TWELVE_SPACE_INDENTATION + CLOSE_CURLY_BRACKET + NEW_LINE
+                            + EIGHT_SPACE_INDENTATION + CLOSE_CURLY_BRACKET + NEW_LINE;
+                    numleaf++;
+                }
+            }
+
+            if (listOfLeafList !=  null) {
+                numleaf = 1;
+                for (YangLeafList leafList : listOfLeafList) {
+                    JavaAttributeInfo javaAttributeInfo = getJavaAttributeOfLeafList(tempFragmentFiles, leafList,
+                                                                                 pluginConfig);
+                    String attributeName = javaAttributeInfo.getAttributeName();
+                    String attrQuaifiedType = "";
+                    if (isPrimitiveDataType(leafList.getDataType().getDataType())) {
+                        attrQuaifiedType = APP_INSTANCE + PERIOD + attributeName + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + SPACE + NOT + EQUAL + SPACE + attributeName + OPEN_PARENTHESIS
+                                + CLOSE_PARENTHESIS;
+                    } else {
+                        attrQuaifiedType = APP_INSTANCE + PERIOD + attributeName + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + SPACE + EQUAL + EQUAL + SPACE + NULL + OR_OPERATION + OPEN_PARENTHESIS + NOT
+                                + OPEN_PARENTHESIS + attributeName + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                                + PERIOD + EQUALS_STRING + OPEN_PARENTHESIS + APP_INSTANCE + PERIOD
+                                + attributeName + OPEN_PARENTHESIS + CLOSE_PARENTHESIS;
+                    }
+
+                    filterMethod = filterMethod + EIGHT_SPACE_INDENTATION + IF + SPACE + OPEN_PARENTHESIS
+                            + GET_FILTER_LEAF_LIST + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + PERIOD + GET_METHOD_PREFIX
+                            + OPEN_PARENTHESIS + String.valueOf(numleaf) + CLOSE_PARENTHESIS + CLOSE_PARENTHESIS
+                            + SPACE + OPEN_CURLY_BRACKET + NEW_LINE + TWELVE_SPACE_INDENTATION + IF + SPACE
+                            + OPEN_PARENTHESIS + attrQuaifiedType + CLOSE_PARENTHESIS + SPACE
+                            + OPEN_CURLY_BRACKET + NEW_LINE + SIXTEEN_SPACE_INDENTATION + RETURN + SPACE + FALSE
+                            + SEMI_COLAN + NEW_LINE + TWELVE_SPACE_INDENTATION + CLOSE_CURLY_BRACKET + NEW_LINE
+                            + EIGHT_SPACE_INDENTATION + CLOSE_CURLY_BRACKET + NEW_LINE;
+                    numleaf++;
+                }
+            }
+
+            if (leaves !=  null || listOfLeafList != null) {
+                filterMethod = filterMethod + EIGHT_SPACE_INDENTATION + RETURN + SPACE + TRUE + SEMI_COLAN +
+                        NEW_LINE + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET + NEW_LINE;
+            }
+        }
+        return filterMethod;
+    }
+
+    /**
      * Returns omit null value string.
      *
      * @return omit null value string