Content and folder node archival

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2767 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/service/cmr/dictionary/ClassDefinition.java

@@ -58,6 +58,11 @@ public interface ClassDefinition
      * @return true => aspect, false => type
      */
     public boolean isAspect();
+    
+    /**
+     * @return Return true if the type should be archived on delete
+     */
+    public boolean isArchive();
 
     /**
      * @return the properties of the class, including inherited properties