/**

  * Copyright 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.osedu.org/licenses/ECL-2.0

  *

  * 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.student.common.util.jta;

 import javax.transaction.TransactionManager;

 import org.eclipse.persistence.transaction.JTATransactionController;

 /**

  * 

  * @author Kuali Student

  * 

  * Passes the Atomikos TransactionManager to Eclipselink.  Set the property

  * <p>

  * eclipselink.target-server=org.kuali.student.common.util.jta.AtomikosJtaTransactionController

  * </p>

  * The first instance Atomikos UserTransactionManager starts the Atomikos

  * service and only the first instance of UserTransactionManager will have a

  * handle to shut it down on close.

  * 

  */

 public class AtomikosJtaTransactionController extends JTATransactionController {

         private static TransactionManager tm;

     @Override

     protected TransactionManager acquireTransactionManager() throws Exception {

             if(tm==null){

                     Class<?> clazz = Class.forName("com.atomikos.icatch.jta.UserTransactionManager");

                     tm = (TransactionManager) clazz.newInstance();

             }

         return tm;

     }

         public static TransactionManager getTm() {

                 return tm;

         }

         public static void setTm(TransactionManager tm) {

                 AtomikosJtaTransactionController.tm = tm;

         }

 }