multiFileYangTranslator

Change-Id: I2adfef3acaec4bd74ba2c487404d2c655b800988
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
index eb0e34d..038cf38 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangUnion.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangUnion.java
@@ -47,7 +47,7 @@
 /**
  * Represents data model node to maintain information defined in YANG union.
  */
-public class YangUnion extends YangNode implements Parsable, HasType {
+public class YangUnion extends YangNode implements Parsable, YangTypeContainer {
 
     // List of YANG type.
     private List<YangType<?>> typeList;