Merged FILE-FOLDER-API (5.2.0) to HEAD (5.2)

122327 jkaabimofrad: RA-673, RA-678: Added node's renditions REST API. 
                 - Retrieve Renditions For Node + tests
                 - Create Rendition


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@126468 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/rest/api/Nodes.java

@@ -168,4 +168,13 @@ public interface Nodes
     NodeRef validateNode(NodeRef nodeRef);
     boolean nodeMatches(NodeRef nodeRef, Set<QName> expectedTypes, Set<QName> excludedTypes);
 
+    /**
+     * Determines whether the type of the given nodeRef is a sub-class of another class or not.
+     *
+     * @param nodeRef         source nodeRef
+     * @param ofClassQName    the class to test against
+     * @param validateNodeRef whether to validate the given source node or not
+     * @return true if the type of the given nodeRef is a sub-class of another class, otherwise false
+     */
+    boolean isSubClass(NodeRef nodeRef, QName ofClassQName, boolean validateNodeRef);
 }