suspendandresumedbtest.java

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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.jbpm.graph.exe;

import java.io.InputStream;
import java.util.Iterator;
import java.util.List;

import org.jbpm.db.AbstractDbTestCase;
import org.jbpm.graph.def.ProcessDefinition;
import org.jbpm.identity.Entity;
import org.jbpm.identity.hibernate.IdentitySession;
import org.jbpm.identity.xml.IdentityXmlParser;
import org.jbpm.util.ClassLoaderUtil;

public class SuspendAndResumeDbTest extends AbstractDbTestCase {
  
  public void setUp() throws Exception {
    super.setUp();
    loadIdentities();
    newTransaction();
  }

  private void loadIdentities() {
    InputStream is = ClassLoaderUtil.getStream("hsqldb/identity.db.xml");
    Entity[] entities = IdentityXmlParser.parseEntitiesResource(is);
    
    IdentitySession identitySession = new IdentitySession(session);
    for (int i=0; i<entities.length; i++) {
      identitySession.saveEntity(entities[i]);
    }
    session.flush();
  }
  
  public void testSuspend() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition name='suspendable process'>" +
      "  <start-state>" +
      "    <transition to='so something usefull' />" +
      "  </start-state>" +
      "  <task-node name='so something usefull'>" +
      "    <timer duedate='20 minutes' transition='timer expired' />" +
      "    <task name='be silent'>" +
      "      <assignment expression='user(ernie)' />" +
      "    </task>" +
      "    <transition name='timer expired' to='error state' />" +
      "  </task-node>" +
      "  <state name='error state' />" +
      "</process-definition>"
    );
    graphSession.saveProcessDefinition(processDefinition);
    
    newTransaction();
    
    processDefinition = graphSession.findLatestProcessDefinition("suspendable process");
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    jbpmContext.save(processInstance);
    
    newTransaction();
    
    List tasks = taskMgmtSession.findTaskInstances("ernie");
    assertNotNull(tasks);
    assertEquals(1, tasks.size());
    
    Iterator timerIter = schedulerSession.findTimersByDueDate(5);
    assertNotNull(timerIter);
    assertTrue(timerIter.hasNext());
    timerIter.next();
    assertFalse(timerIter.hasNext());
    
    processInstance = graphSession.loadProcessInstance(processInstance.getId());
    processInstance.suspend();

    jbpmContext.save(processInstance);
    
    newTransaction();

    tasks = taskMgmtSession.findTaskInstances("ernie");
    assertNotNull(tasks);
    assertEquals(0, tasks.size());

    timerIter = schedulerSession.findTimersByDueDate(5);
    assertNotNull(timerIter);
    assertFalse(timerIter.hasNext());
  }

  public void testResume() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition name='suspendable process'>" +
      "  <start-state>" +
      "    <transition to='so something usefull' />" +
      "  </start-state>" +
      "  <task-node name='so something usefull'>" +
      "    <timer duedate='20 minutes' transition='timer expired' />" +
      "    <task name='be silent'>" +
      "      <assignment expression='user(ernie)' />" +
      "    </task>" +
      "    <transition name='timer expired' to='error state' />" +
      "  </task-node>" +
      "  <state name='error state' />" +
      "</process-definition>"
    );
    graphSession.saveProcessDefinition(processDefinition);
    
    newTransaction();
    
    processDefinition = graphSession.findLatestProcessDefinition("suspendable process");
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    jbpmContext.save(processInstance);
    
    newTransaction();
    
    processInstance = graphSession.loadProcessInstance(processInstance.getId());
    processInstance.suspend();
    jbpmContext.save(processInstance);
    
    newTransaction();

    processInstance = graphSession.loadProcessInstance(processInstance.getId());
    processInstance.resume();
    jbpmContext.save(processInstance);

    newTransaction();

    List tasks = taskMgmtSession.findTaskInstances("ernie");
    assertNotNull(tasks);
    assertEquals(1, tasks.size());
    
    Iterator timerIter = schedulerSession.findTimersByDueDate(5);
    assertNotNull(timerIter);
    assertTrue(timerIter.hasNext());
    timerIter.next();
    assertFalse(timerIter.hasNext());
  }
}