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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.ow2.bonita.pvm.job;

import org.hibernate.Query;
import org.hibernate.Session;
import org.ow2.bonita.env.Environment;
import org.ow2.bonita.pvm.Execution;
import org.ow2.bonita.pvm.internal.cmd.CommandService;
import org.ow2.bonita.pvm.internal.job.MessageImpl;
import org.ow2.bonita.pvm.internal.job.TimerImpl;
import org.ow2.bonita.pvm.internal.jobexecutor.ExecuteJobCmd;
import org.ow2.bonita.util.Command;

/**
 * helper class for testing that executes messages and timers in the test runner
 * thread. This way, the test can simulate timers and messages being executed.
 * The dueDate is ignored.
 * 
 * @author Tom Baeyens
 */
public class JobTestHelper {

  CommandService commandService;

  public Long getAvailableMessages() {
    return commandService.execute(new Command() {
      private static final long serialVersionUID = 1L;

      public Long execute(Environment environment) throws Exception {
        Session session = environment.get(Session.class);
        Query query = session.createQuery("select count(m) " + "from "
            + MessageImpl.class.getName() + " as m ");
        Long messageNb = (Long) query.uniqueResult();
        return messageNb;
      }
    });
  }
  
  public Execution executeMessage(final long executionDbid) {
    return commandService.execute(new Command() {
      private static final long serialVersionUID = 1L;

      public Execution execute(Environment environment) throws Exception {
        Session session = environment.get(Session.class);
        Query query = session.createQuery("select m.dbid " + "from "
            + MessageImpl.class.getName() + " as m "
            + "where m.execution.dbid = :executionDbid");
        query.setLong("executionDbid", executionDbid);
        query.setMaxResults(1);
        Long messageDbid = (Long) query.uniqueResult();
        ExecuteJobCmd executeJobCommand = new ExecuteJobCmd(messageDbid);
        Job job = executeJobCommand.execute(environment);
        return job.getExecution();
      }
    });
  }

  public Execution executeTimer(final long timerDbid) {
    return commandService.execute(new Command() {
      private static final long serialVersionUID = 1L;

      public Execution execute(Environment environment) throws Exception {
        Session session = environment.get(Session.class);
        Query query = session.createQuery("select t.dbid " + "from "
            + TimerImpl.class.getName() + " as t "
            + "where t.dbid = :timerDbid");
        query.setLong("timerDbid", timerDbid);
        query.setMaxResults(1);
        Long timerDbid = (Long) query.uniqueResult();
        ExecuteJobCmd executeJobCommand = new ExecuteJobCmd(timerDbid);
        Job job = executeJobCommand.execute(environment);
        return job.getExecution();
      }
    });
  }
}