/**
    * 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.apache.openjpa.ee.AbstractManagedRuntime;
  import org.apache.openjpa.ee.ManagedRuntime;
  
  public class AtomikosManagedRuntime extends AbstractManagedRuntime implements ManagedRuntime {
  
  	private static TransactionManager tm;
  	private Throwable cause;
  	
  	public AtomikosManagedRuntime() {
  		super();
  	}
  
  	@Override
  	public Throwable getRollbackCause() throws Exception {
         return cause;
  	}
  
  	@Override
  	public TransactionManager getTransactionManager() throws Exception {
  		if(tm==null){
      		Class<?> clazz = Class.forName("com.atomikos.icatch.jta.UserTransactionManager");
      		tm = (TransactionManager) clazz.newInstance();
  		}
  		return tm;
  	}
  
  	@Override
  	public void setRollbackOnly(Throwable cause) throws Exception {
          this.cause=cause;
          getTransactionManager().getTransaction().setRollbackOnly();
  	}
  
  	public static TransactionManager getTm() {
  		return tm;
  	}
  
  	public static void setTm(TransactionManager tm) {
  		AtomikosManagedRuntime.tm = tm;
  	}
  
  
  
  }