/*

  * Copyright 2007-2010 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.kew.documentlink.dao.impl;

 import org.kuali.rice.kew.documentlink.DocumentLink;

 /**

  * This is a description of what this class does - g1zhang don't forget to fill this in. 

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public final class DocumentLinkDaoUtil {

         private DocumentLinkDaoUtil() {

                 throw new UnsupportedOperationException("do not call");

         }

         public static DocumentLink reverseLink(DocumentLink link){

                 String tmp = link.getDestDocId();

                 link.setDocLinkId(null);

                 link.setDestDocId(link.getOrgnDocId());

                 link.setOrgnDocId(tmp);

                 tmp = null;

                 return link;

         }

 }