YANG construct collision detection framework added

Change-Id: I1458f9e3192641f3f90c444798c31a64536ffa5d
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangRevision.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangRevision.java
index 8989262..083416b 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangRevision.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangRevision.java
@@ -17,7 +17,7 @@
 
 import org.onosproject.yangutils.datamodel.exceptions.DataModelException;
 import org.onosproject.yangutils.parser.Parsable;
-import org.onosproject.yangutils.parser.ParsableDataType;
+import org.onosproject.yangutils.utils.YangConstructType;
 
 /*
  *  Reference:RFC 6020.
@@ -86,7 +86,7 @@
     /**
      * Get the description.
      *
-     * @return the description.
+     * @return the description
      */
     @Override
     public String getDescription() {
@@ -96,7 +96,7 @@
     /**
      * Set the description.
      *
-     * @param description set the description.
+     * @param description set the description
      */
     @Override
     public void setDescription(String description) {
@@ -106,7 +106,7 @@
     /**
      * Get the textual reference.
      *
-     * @return the reference.
+     * @return the reference
      */
     @Override
     public String getReference() {
@@ -116,7 +116,7 @@
     /**
      * Set the textual reference.
      *
-     * @param reference the reference to set.
+     * @param reference the reference to set
      */
     @Override
     public void setReference(String reference) {
@@ -126,17 +126,17 @@
     /**
      * Returns the type of the parsed data.
      *
-     * @return returns REVISION_DATA.
+     * @return returns REVISION_DATA
      */
     @Override
-    public ParsableDataType getParsableDataType() {
-        return ParsableDataType.REVISION_DATA;
+    public YangConstructType getYangConstructType() {
+        return YangConstructType.REVISION_DATA;
     }
 
     /**
      * Validate the data on entering the corresponding parse tree node.
      *
-     * @throws DataModelException a violation of data model rules.
+     * @throws DataModelException a violation of data model rules
      */
     @Override
     public void validateDataOnEntry() throws DataModelException {
@@ -147,7 +147,7 @@
     /**
      * Validate the data on exiting the corresponding parse tree node.
      *
-     * @throws DataModelException a violation of data model rules.
+     * @throws DataModelException a violation of data model rules
      */
     @Override
     public void validateDataOnExit() throws DataModelException {