[ONOS-4799],[ONOS-4351] Augment inter file linker and Generated Code refactored.

Change-Id: Id1f3ac9c90a632373f51cc75d499c3110216be17
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/utils/io/impl/JavaDocGen.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/utils/io/impl/JavaDocGen.java
index 19660b1..1610536 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/utils/io/impl/JavaDocGen.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/utils/io/impl/JavaDocGen.java
@@ -590,7 +590,7 @@
      * @param attribute attribute string
      * @return javaDocs for type constructor
      */
-    private static String generateForTypeConstructor(String attribute) {
+    public static String generateForTypeConstructor(String attribute) {
         return NEW_LINE + FOUR_SPACE_INDENTATION + JAVA_DOC_FIRST_LINE + FOUR_SPACE_INDENTATION + JAVA_DOC_CONSTRUCTOR
                 + attribute + PERIOD + NEW_LINE + FOUR_SPACE_INDENTATION + NEW_LINE_ASTERISK + FOUR_SPACE_INDENTATION
                 + JAVA_DOC_PARAM + VALUE + SPACE + VALUE + SPACE + OF + SPACE + attribute + NEW_LINE