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/hibernate/AVMNodeDAOHibernate.java

@@ -172,4 +172,15 @@ class AVMNodeDAOHibernate extends HibernateDaoSupport implements
     {
         getSession().flush();
     }
+
+    /* (non-Javadoc)
+     * @see org.alfresco.repo.avm.AVMNodeDAO#getEmptyGUIDS(int)
+     */
+    @SuppressWarnings("unchecked")
+    public List<AVMNode> getEmptyGUIDS(int count)
+    {
+        Query query = getSession().createQuery("from AVMNodeImpl an where an.guid is null");
+        query.setMaxResults(count);
+        return (List<AVMNode>)query.list();
+    }
 }