[ONOS-4073] YANG enum translator implementation.

Change-Id: I129eaec0c8f81c674a994a579650f18499340052
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedJavaFileType.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedJavaFileType.java
index 4be1a65..17b0d57 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedJavaFileType.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedJavaFileType.java
@@ -57,6 +57,11 @@
     public static final int GENERATE_UNION_CLASS = 32;
 
     /**
+     * Java class corresponding to YANG enumeration.
+     */
+    public static final int GENERATE_ENUM_CLASS = 64;
+
+    /**
      * Creates an instance of generate java file type.
      */
     private GeneratedJavaFileType() {