[ONOS-4583] Union defect fix.

Change-Id: Ic31866b9a1b7bd5d8209d5d22f4292ab9c79a118
diff --git a/plugin/src/main/java/org/onosproject/yangutils/utils/io/impl/JavaDocGen.java b/plugin/src/main/java/org/onosproject/yangutils/utils/io/impl/JavaDocGen.java
index 34e4983..af0b4e3 100644
--- a/plugin/src/main/java/org/onosproject/yangutils/utils/io/impl/JavaDocGen.java
+++ b/plugin/src/main/java/org/onosproject/yangutils/utils/io/impl/JavaDocGen.java
@@ -17,6 +17,10 @@
 package org.onosproject.yangutils.utils.io.impl;
 
 import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTED;
+import static org.onosproject.yangutils.utils.UtilConstants.JAVA_DOC_FOR_VALIDATOR;
+import static org.onosproject.yangutils.utils.UtilConstants.JAVA_DOC_FOR_VALIDATOR_RETURN;
+import static org.onosproject.yangutils.utils.UtilConstants.MAX_RANGE;
+import static org.onosproject.yangutils.utils.UtilConstants.MIN_RANGE;
 import static org.onosproject.yangutils.utils.UtilConstants.YANG_AUGMENTED_INFO;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER_CLASS_JAVA_DOC;
@@ -519,6 +523,11 @@
                 VALUE + SPACE + OF + SPACE + AUGMENTED + CLASS + NEW_LINE + FOUR_SPACE_INDENTATION + JAVA_DOC_END_LINE;
     }
 
+    /**
+     * Returns javadoc for get augmentation method.
+     *
+     * @return javadoc for get augmentation method
+     */
     public static String generateForGetAugmentation() {
         return NEW_LINE + FOUR_SPACE_INDENTATION + JAVA_DOC_FIRST_LINE + FOUR_SPACE_INDENTATION
                 + JAVA_DOC_GETTERS + getSmallCase(YANG_AUGMENTED_INFO) + PERIOD + NEW_LINE +
@@ -529,6 +538,23 @@
     }
 
     /**
+     * Returns javadoc for validator method.
+     *
+     * @return javadoc for validator method
+     */
+    public static String generateForValidatorMethod() {
+        return NEW_LINE + FOUR_SPACE_INDENTATION + JAVA_DOC_FIRST_LINE + FOUR_SPACE_INDENTATION +
+                JAVA_DOC_FOR_VALIDATOR + NEW_LINE + FOUR_SPACE_INDENTATION + NEW_LINE_ASTERISK +
+                FOUR_SPACE_INDENTATION + JAVA_DOC_PARAM + MIN_RANGE + SPACE + MIN_RANGE + SPACE + OF + SPACE +
+                VALUE + NEW_LINE +
+                FOUR_SPACE_INDENTATION + JAVA_DOC_PARAM + MAX_RANGE + SPACE + MAX_RANGE + SPACE + OF + SPACE + VALUE +
+                NEW_LINE +
+                FOUR_SPACE_INDENTATION + JAVA_DOC_PARAM + VALUE + SPACE + VALUE + NEW_LINE +
+                FOUR_SPACE_INDENTATION + JAVA_DOC_FOR_VALIDATOR_RETURN + NEW_LINE + FOUR_SPACE_INDENTATION +
+                JAVA_DOC_END_LINE;
+    }
+
+    /**
      * JavaDocs types.
      */
     public enum JavaDocType {