/*
    * Copyright 2007 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.quartz;
  
  import java.io.Serializable;
  
  import org.apache.log4j.Logger;
  import org.kuali.rice.ksb.messaging.MessageServiceInvoker;
  import org.kuali.rice.ksb.messaging.PersistedMessage;
  import org.kuali.rice.ksb.messaging.threadpool.KSBThreadPool;
  import org.kuali.rice.ksb.service.KSBServiceLocator;
  import org.kuali.rice.ksb.util.KSBConstants;
  import org.quartz.Job;
  import org.quartz.JobExecutionContext;
  import org.quartz.JobExecutionException;
  
  
  /**
   * Job saves a {@link PersistedMessage} to the message queue in the state of 'R' and then puts into a
   * {@link MessageServiceInvoker} for execution in {@link KSBThreadPool}.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   * 
   */
  public class MessageServiceExecutorJob implements Job, Serializable {
  
      private static final Logger LOG = Logger.getLogger(MessageServiceExecutorJob.class);
  
      private static final long serialVersionUID = 6702139047380618522L;
  
      public static final String MESSAGE_KEY = "message";
  
      public void execute(JobExecutionContext jec) throws JobExecutionException {
  	try {
  	    PersistedMessage message = (PersistedMessage) jec.getJobDetail().getJobDataMap().get(MESSAGE_KEY);
  	    message.setQueueStatus(KSBConstants.ROUTE_QUEUE_ROUTING);
  	    KSBServiceLocator.getRouteQueueService().save(message);
  	    KSBServiceLocator.getThreadPool().execute(new MessageServiceInvoker(message));
  	} catch (Throwable t) {
  	    LOG.error("Caught throwable attempting to process message in exception messaging queue.", t);
  	    throw new JobExecutionException(new Exception(t));
  	}
      }
  }