This is an action to undo a list of changes made in a user sandbox, relative to

the staging sandbox.  Turns out yesterday's revert action isn't quite what is 
wanted for this use case.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@4366 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/avm/AVMServiceImpl.java

@@ -439,6 +439,21 @@ public class AVMServiceImpl implements AVMService
         fAVMRepository.uncover(dirPath, name);
     }
 
+    /**
+     * Make name in dirPath transparent to what was underneath it. That is, this
+     * removes the offending node from its layered directory parent's direct ownership.
+     * @param dirPath The path to the layered directory.
+     * @param name The name of the item to flatten.
+     */
+    public void flatten(String dirPath, String name)
+    {
+        if (dirPath == null || name == null)
+        {
+            throw new AVMBadArgumentException("Illegal null argument.");
+        }
+        fAVMRepository.flatten(dirPath, name);
+    }
+
     /**
      * Get the Latest Version ID for an AVMStore.
      * @param repName The name of the AVMStore.