09-jbpm工作流之"分支聚合Join-Fork"

工作流的分支与聚合:

这是多个分支并行(同时)执行，并且所有的分支Execution都到Join活动聚合后才向后执行;

1.工作流图:test.png

工作流配置文件:test.jpdl.xml:

<?xml version="1.0" encoding="UTF-8"?>

<process name="test" xmlns="http://jbpm.org/4.4/jpdl">
   <start g="255,8,48,48" name="start1">
      <transition g="-51,-13" name="to fork1" to="fork1"/>
   </start>
   <end g="260,354,48" name="end1"/>
   <fork g="258,95,48" name="fork1">
      <transition g="-23,-20" name="to 发货" to="发货"/>
      <transition g="-12,-20" name="to 汇款" to="汇款"/>
   </fork>
   <task assignee="商家" g="88,111,92,52" name="发货">
      <transition g="-44,-9" name="to 收货" to="收货"/>
   </task>
   <task assignee="客户" g="87,193,52" name="收货">
      <transition g="-18,-23" name="to join1" to="join1"/>
   </task>
   <task assignee="客户" g="385,115,52" name="汇款">
      <transition g="-70,-15" name="to 确认收货" to="确认收款"/>
   </task>
   <task assignee="商家" g="384,205,52" name="确认收款">
      <transition g="-24,-21" name="to join1" to="join1"/>
   </task>
   <join g="260,257,48" name="join1">
      <transition g="-50,-11" name="to end1" to="end1"/>
   </join>
</process>

JAVA Code:

package cn.edu.zust.itee.joinFork;

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

import org.jbpm.api.Configuration;
import org.jbpm.api.ProcessEngine;
import org.jbpm.api.ProcessInstance;
import org.jbpm.api.task.Task;
import org.junit.Test;

/**
 * @author 郑勇
 * 2013-7-11 13:50
 * 分支聚合活动
 *   这是多个分支并行(同时)执行，并且所有的分支Execution都到Join活动聚合后才向后执行;
 */
public class JoinFork {
  
	ProcessEngine processEngine= Configuration.getProcessEngine();
	@Test
	public void testJoinForkActivity(){
		
		//部署流程定义
		//获得当前包中的文件
		InputStream in = this.getClass().getResourceAsstream("test.jpdl.xml");
		processEngine.getRepositoryService()
		             .createDeployment()
		             .addResourceFromInputStream("test.jpdl.xml",in)
		             .deploy();
		
		//启动流程实例
		ProcessInstance pi = processEngine.getExecutionService().startProcessInstanceByKey("test");
		System.out.println("processIntenceId="+pi.getId());
		System.out.println("当前正在执行的活动："+pi.findActiveActivityNames());

		//完成"发货"和"汇款"任务
		List<Task> list = processEngine.getTaskService().createTaskQuery() //查询出该流程实例中分支任务
									  .processInstanceId(pi.getId())
									  .list();
		for(Task task :list){
			//活动按自己的分支执行
			processEngine.getTaskService().completeTask(task.getId());
		}
		
		
   }
}