subprocessplusconcurrencydbtest.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 org.jbpm.context.exe.ContextInstance;
import org.jbpm.db.AbstractDbTestCase;
import org.jbpm.graph.def.ActionHandler;
import org.jbpm.graph.def.ProcessDefinition;

public class SubProcessPlusConcurrencyDbTest extends AbstractDbTestCase {

  void deployProcessDefinitions() {
    ProcessDefinition subProcess = ProcessDefinition.parseXmlString(
      "<process-definition name='sub'>" +
      "  <start-state>" +
      "    <transition to='wait' />" +
      "  </start-state>" +
      "  <state name='wait'>" +
      "    <transition to='end' />" +
      "  </state>" +
      "  <end-state name='end' />" +
      "</process-definition>"
    );
    jbpmContext.deployProcessDefinition(subProcess);
    
    ProcessDefinition superProcess = ProcessDefinition.parseXmlString(
      "<process-definition name='super'>" +
      "  <start-state>" +
      "    <transition name='without subprocess' to='fork' />" +
      "    <transition name='with subprocess' to='subprocess' />" +
      "  </start-state>" +
      "  <process-state name='subprocess'>" +
      "    <sub-process name='sub' />" +
      "    <transition to='fork'/>" +
      "  </process-state>" +
      "  <fork name='fork'>" +
      "    <transition name='a' to='join' />" +
      "    <transition name='b' to='join' />" +
      "  </fork>" +
      "  <join name='join'>" +
      "    <transition to='s' />" +
      "  </join>" +
      "  <state name='s'>" +
      "    <event type='node-enter'>" +
      "      <action class='org.jbpm.graph.exe.SubProcessPlusConcurrencyDbTest$EnterNodeS' />" +
      "    </event>" +
      "  </state>" +
      "</process-definition>"
    );
    jbpmContext.deployProcessDefinition(superProcess);
    
    newTransaction();
  }
  
  public static class EnterNodeS implements ActionHandler {
    private static final long serialVersionUID = 1L;
    public void execute(ExecutionContext executionContext) throws Exception {
      ContextInstance contextInstance = executionContext.getContextInstance();
      Integer invocationCount = (Integer) contextInstance.getVariable("invocationCount");
      if (invocationCount==null) {
        contextInstance.setVariable("invocationCount", new Integer(1));
      } else {
        contextInstance.setVariable("invocationCount", new Integer(invocationCount.intValue()+1));
      }
    }
  }
  
  public void testWithoutSubProcess() {
    deployProcessDefinitions();
    
    ProcessInstance pi = jbpmContext.newProcessInstanceForUpdate("super");
    pi.signal("without subprocess");
    assertEquals("s", pi.getRootToken().getNode().getName());
    assertEquals(new Integer(1), pi.getContextInstance().getVariable("invocationCount"));
  }

  public void testWithSubProcess() {
    deployProcessDefinitions();
    
    ProcessInstance pi = jbpmContext.newProcessInstanceForUpdate("super");
    pi.signal("with subprocess");
    
    ProcessInstance subPi = pi.getRootToken().getSubProcessInstance();
    assertEquals("wait", subPi.getRootToken().getNode().getName());
    
    newTransaction();

    subPi = jbpmContext.loadProcessInstanceForUpdate(subPi.getId());
    subPi.signal();
    pi = subPi.getSuperProcessToken().getProcessInstance();
    
    assertEquals("s", pi.getRootToken().getNode().getName());
    assertEquals(new Integer(1), pi.getContextInstance().getVariable("invocationCount"));
  }
}