/*
    * Copyright 2007-2008 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.ksb.messaging.serviceproxies;
  
  import org.apache.log4j.Logger;
  import org.kuali.rice.ksb.messaging.MessageServiceInvoker;
  import org.kuali.rice.ksb.messaging.PersistedMessageBO;
  import org.kuali.rice.ksb.service.KSBServiceLocator;
  import org.springframework.transaction.support.TransactionSynchronization;
  
  
  /**
   * Sends message when current transaction commits.  
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class MessageSendingTransactionSynchronization implements TransactionSynchronization {
      
      private static final Logger LOG = Logger.getLogger(MessageSendingTransactionSynchronization.class);
  
      //this is to verify this was called without implementing some sort of plugability in this 
      //layer of the code for the tests.
      public static boolean CALLED_TRANS_COMMITTED = false;
      public static boolean CALLED_TRANS_ROLLEDBACKED = false;
      
      private PersistedMessageBO message;
      
      public MessageSendingTransactionSynchronization(PersistedMessageBO message) {
  	this.message = message;
      }
  
      public void afterCommit() {
  
      }
  
      public void afterCompletion(int status) {
  	if (status == STATUS_COMMITTED) {
  	    KSBServiceLocator.getThreadPool().execute(new MessageServiceInvoker(message));
  	    CALLED_TRANS_COMMITTED = true;
  	} else {
  	    LOG.info("Message " + message + " not sent because transaction not committed.");
  	    CALLED_TRANS_ROLLEDBACKED = true;
  	}
      }
  
      public void beforeCommit(boolean readOnly) {
      }
  
      public void beforeCompletion() {
      }
  
      public void resume() {
      }
  
      public void suspend() {
      }
      
      public void flush() {
      }
  
  }