[ONOS-3905, ONOS-3901, ONOS-3900] choice, grouping and augment data model support.
Change-Id: Iaee5175e4e06249f5b56192f4744e9297289194c
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangEnumeration.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangEnumeration.java
new file mode 100644
index 0000000..2a05279
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangEnumeration.java
@@ -0,0 +1,155 @@
+/*
+ * Copyright 2016 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.datamodel;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.onosproject.yangutils.datamodel.exceptions.DataModelException;
+import org.onosproject.yangutils.parser.Parsable;
+import org.onosproject.yangutils.parser.ParsableDataType;
+
+/*
+ * The enumeration built-in type represents values from a set of
+ * assigned names.
+ */
+
+/**
+ * Maintains the enumeration data type information.
+ */
+public class YangEnumeration extends YangNode implements Parsable {
+
+ /**
+ * Enumeration info set.
+ */
+ private Set<YangEnum> enumSet;
+
+ /**
+ * Create an enumeration object.
+ */
+ public YangEnumeration() {
+ super(YangNodeType.ENUMERATION_NODE);
+ setEnumSet(new HashSet<YangEnum>());
+
+ }
+
+ /**
+ * Get the ENUM set.
+ *
+ * @return the ENUM set
+ */
+ public Set<YangEnum> getEnumSet() {
+ return enumSet;
+ }
+
+ /**
+ * Set the ENUM set.
+ *
+ * @param enumSet the ENUM set to set
+ */
+ private void setEnumSet(Set<YangEnum> enumSet) {
+ this.enumSet = enumSet;
+ }
+
+ /**
+ * Add ENUM value.
+ *
+ * @param enumInfo the ENUM value of string
+ */
+ public void addEnumInfo(YangEnum enumInfo) {
+
+ }
+
+ /**
+ * Returns the type of the data.
+ *
+ * @return returns ENUMERATION_DATA
+ */
+ public ParsableDataType getParsableDataType() {
+ return ParsableDataType.ENUMERATION_DATA;
+ }
+
+ /**
+ * Validate the data on entering the corresponding parse tree node.
+ *
+ * @throws DataModelException a violation of data model rules.
+ */
+ public void validateDataOnEntry() throws DataModelException {
+ // TODO auto-generated method stub, to be implemented by parser
+ }
+
+ /**
+ * Validate the data on exiting the corresponding parse tree node.
+ *
+ * @throws DataModelException a violation of data model rules.
+ */
+ public void validateDataOnExit() throws DataModelException {
+ // TODO auto-generated method stub, to be implemented by parser
+ }
+
+ /* (non-Javadoc)
+ * @see org.onosproject.yangutils.datamodel.YangNode#getName()
+ */
+ @Override
+ public String getName() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ /* (non-Javadoc)
+ * @see org.onosproject.yangutils.datamodel.YangNode#setName(java.lang.String)
+ */
+ @Override
+ public void setName(String name) {
+ // TODO Auto-generated method stub
+
+ }
+
+ /* (non-Javadoc)
+ * @see org.onosproject.yangutils.datamodel.YangNode#getPackage()
+ */
+ @Override
+ public String getPackage() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ /* (non-Javadoc)
+ * @see org.onosproject.yangutils.datamodel.YangNode#setPackage(java.lang.String)
+ */
+ @Override
+ public void setPackage(String pkg) {
+ // TODO Auto-generated method stub
+
+ }
+
+ /* (non-Javadoc)
+ * @see org.onosproject.yangutils.translator.CodeGenerator#generateJavaCodeEntry()
+ */
+ public void generateJavaCodeEntry() {
+ // TODO Auto-generated method stub
+
+ }
+
+ /* (non-Javadoc)
+ * @see org.onosproject.yangutils.translator.CodeGenerator#generateJavaCodeExit()
+ */
+ public void generateJavaCodeExit() {
+ // TODO Auto-generated method stub
+
+ }
+}