Merged V2.0 to HEAD

5491: AWC-1154 WCM Workflows
   5507, 5511: AVMGuidPatch


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5542 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

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

@@ -22,6 +22,7 @@
  * http://www.alfresco.com/legal/licensing" */
 package org.alfresco.repo.avm;
 
+import java.util.Iterator;
 import java.util.List;
 
 /**
@@ -99,4 +100,10 @@ public interface AVMNodeDAO
      * Inappropriate hack to get Hibernate to play nice.
      */
     public void flush();
+    
+    /**
+     * Get a batch 
+     * @return An iterator over all nodes.
+     */
+    List<AVMNode> getEmptyGUIDS(int count);
 }