taskassignmentdbtest.java

jBpm是一个灵活可扩展的工作流管理系统。作为jBpm运行时server输入的业务流程使用简单强大的语言表达并打包在流程档案中

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 * 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.taskmgmt.exe;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jbpm.db.AbstractDbTestCase;
import org.jbpm.graph.def.ProcessDefinition;
import org.jbpm.graph.exe.ExecutionContext;
import org.jbpm.graph.exe.ProcessInstance;
import org.jbpm.taskmgmt.def.AssignmentHandler;

public class TaskAssignmentDbTest extends AbstractDbTestCase {
  
  public static class JohnAssignmentHandler implements AssignmentHandler {
    private static final long serialVersionUID = 1L;
    public void assign(Assignable assignable, ExecutionContext executionContext) throws Exception {
      assignable.setActorId("john");
    }
  }

  public void testPersonalTasklist() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <start-state>" +
      "    <transition to='work' />" +
      "  </start-state>" +
      "  <task-node name='work'>" +
      "    <task name='feed the chickens'>" +
      "      <assignment class='org.jbpm.taskmgmt.exe.TaskAssignmentDbTest$JohnAssignmentHandler' />" +
      "    </task>" +
      "    <task name='walk the dog'>" +
      "      <assignment class='org.jbpm.taskmgmt.exe.TaskAssignmentDbTest$JohnAssignmentHandler' />" +
      "    </task>" +
      "    <task name='play with wife'>" +
      "      <assignment class='org.jbpm.taskmgmt.exe.TaskAssignmentDbTest$JohnAssignmentHandler' />" +
      "    </task>" +
      "  </task-node>" +
      "</process-definition>"
    );
    graphSession.saveProcessDefinition(processDefinition);
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    jbpmContext.save(processInstance);
    
    newTransaction();
    
    List taskInstances = taskMgmtSession.findTaskInstances("john");
    assertNotNull(taskInstances);
    assertEquals(3, taskInstances.size());
    
    Set expectedTaskNames = new HashSet(Arrays.asList(new String[]{"feed the chickens", "walk the dog", "play with wife"}));
    Set retrievedTaskNames = new HashSet();
    Iterator iter = taskInstances.iterator();
    while (iter.hasNext()) {
      TaskInstance taskInstance = (TaskInstance) iter.next();
      
      log.debug("task instance definition: "+taskInstance.getTask().getProcessDefinition());
      log.debug("task instance taskmgmt definition: "+taskInstance.getTask().getTaskMgmtDefinition().getProcessDefinition());

      retrievedTaskNames.add(taskInstance.getName());
    }
    assertEquals(expectedTaskNames, retrievedTaskNames);
  }

  public static class PoolAssignmentHandler implements AssignmentHandler {
    private static final long serialVersionUID = 1L;
    public void assign(Assignable assignable, ExecutionContext executionContext) throws Exception {
      assignable.setPooledActors(new String[]{"john", "joe", "homer"});
    }
  }

  public void testPooledTasklist() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <start-state>" +
      "    <transition to='work' />" +
      "  </start-state>" +
      "  <task-node name='work'>" +
      "    <task name='feed the chickens'>" +
      "      <assignment class='org.jbpm.taskmgmt.exe.TaskAssignmentDbTest$PoolAssignmentHandler' />" +
      "    </task>" +
      "  </task-node>" +
      "</process-definition>"
    );
    graphSession.saveProcessDefinition(processDefinition);
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    jbpmContext.save(processInstance);
    
    newTransaction();
    
    List taskInstances = taskMgmtSession.findPooledTaskInstances("john");
    assertNotNull(taskInstances);
    assertEquals(1, taskInstances.size());
    TaskInstance taskInstance = (TaskInstance) taskInstances.get(0);
    assertEquals("feed the chickens", taskInstance.getName());
    assertNull(taskInstance.getActorId());
  }
  
  private static final Log log = LogFactory.getLog(TaskAssignmentDbTest.class);
  
}