diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangUnion.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangUnion.java
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+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangUnion.java
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+/*
+ * 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 org.onosproject.yangutils.datamodel.exceptions.DataModelException;
+import org.onosproject.yangutils.parser.Parsable;
+import org.onosproject.yangutils.utils.YangConstructType;
+
+import java.util.List;
+
+/*
+ * Reference RFC 6020.
+ *
+ * The union built-in type represents a value that corresponds to one of
+ * its member types.
+ *
+ * When the type is "union", the "type" statement (Section 7.4) MUST be
+ * present.  It is used to repeatedly specify each member type of the
+ * union.  It takes as an argument a string that is the name of a member
+ * type.
+ *
+ * A member type can be of any built-in or derived type, except it MUST
+ * NOT be one of the built-in types "empty" or "leafref".
+ *
+ * When a string representing a union data type is validated, the string
+ * is validated against each member type, in the order they are
+ * specified in the "type" statement, until a match is found.
+ *
+ * Any default value or "units" property defined in the member types is
+ * not inherited by the union type.
+ */
+
+/**
+ * Data model node to maintain information defined in YANG union.
+ */
+public class YangUnion implements Parsable {
+
+    // List of YANG type.
+    private List<YangType<?>> typeList;
+
+    // Name of the union.
+    private String unionName;
+
+    /**
+     * Create a YANG union node.
+     */
+    public YangUnion() {
+    }
+
+    /**
+     * Returns list of YANG type.
+     *
+     * @return the list of YANG type
+     */
+    public List<YangType<?>> getTypeList() {
+        return typeList;
+    }
+
+    /**
+     * Returns union name.
+     *
+     * @return the union name
+     */
+    public String getUnionName() {
+        return unionName;
+    }
+
+    /**
+     * Set the list of YANG type.
+     *
+     * @param typeList list of YANG type.
+     */
+    public void setTypeList(List<YangType<?>> typeList) {
+        this.typeList = typeList;
+    }
+
+    /**
+     * Set the union name.
+     *
+     * @param unionName name of the union.
+     */
+    public void setUnionName(String unionName) {
+        this.unionName = unionName;
+    }
+
+    @Override
+    public YangConstructType getYangConstructType() {
+        return YangConstructType.UNION_DATA;
+    }
+
+    @Override
+    public void validateDataOnEntry() throws DataModelException {
+        //TODO: implement the method.
+    }
+
+    @Override
+    public void validateDataOnExit() throws DataModelException {
+        //TODO: implement the method.
+    }
+}