[ONOS-4411,ONOS-4413,ONOS-4526] Yang Enumeration Translator and Defect fixes.

Change-Id: Ie5b6b5d6d6df283a57ae06b1979f0d03022f3baf
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/YangJavaModelUtils.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/YangJavaModelUtils.java
index 0597683..d285351 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/YangJavaModelUtils.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/YangJavaModelUtils.java
@@ -149,7 +149,7 @@
             /**
              * Enumeration
              */
-            javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles()
+            javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles().getEnumerationTempFiles()
                     .addEnumAttributeToTempFiles((YangNode) javaCodeGeneratorInfo);
         } else if (javaCodeGeneratorInfo instanceof YangChoice) {
             /*Do nothing, only the interface needs to be generated*/