Activiti教程(七)activiti的流程执行

一.工程结构

二.流程定义

<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI" typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.activiti.org/test">
  <process id="helloworld" name="helloworldProcess" isExecutable="true">
    <startEvent id="startevent1" name="Start"></startEvent>
    <endEvent id="endevent1" name="End"></endEvent>
    <userTask id="usertask1" name="提交申请" activiti:assignee="张三"></userTask>
    <userTask id="usertask2" name="审批【部门经理】" activiti:assignee="李四"></userTask>
    <userTask id="usertask3" name="审批【总经理】" activiti:assignee="王五"></userTask>
    <sequenceFlow id="flow1" sourceRef="startevent1" targetRef="usertask1"></sequenceFlow>
    <sequenceFlow id="flow2" sourceRef="usertask1" targetRef="usertask2"></sequenceFlow>
    <sequenceFlow id="flow3" sourceRef="usertask2" targetRef="usertask3"></sequenceFlow>
    <sequenceFlow id="flow4" sourceRef="usertask3" targetRef="endevent1"></sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_helloworld">
    <bpmndi:BPMNPlane bpmnElement="helloworld" id="BPMNPlane_helloworld">
      <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="330.0" y="20.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="330.0" y="380.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask1" id="BPMNShape_usertask1">
        <omgdc:Bounds height="55.0" width="105.0" x="295.0" y="100.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask2" id="BPMNShape_usertask2">
        <omgdc:Bounds height="55.0" width="105.0" x="295.0" y="200.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask3" id="BPMNShape_usertask3">
        <omgdc:Bounds height="55.0" width="105.0" x="295.0" y="290.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
        <omgdi:waypoint x="347.0" y="55.0"></omgdi:waypoint>
        <omgdi:waypoint x="347.0" y="100.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
        <omgdi:waypoint x="347.0" y="155.0"></omgdi:waypoint>
        <omgdi:waypoint x="347.0" y="200.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">
        <omgdi:waypoint x="347.0" y="255.0"></omgdi:waypoint>
        <omgdi:waypoint x="347.0" y="290.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow4" id="BPMNEdge_flow4">
        <omgdi:waypoint x="347.0" y="345.0"></omgdi:waypoint>
        <omgdi:waypoint x="347.0" y="380.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>

三.部署流程

执行流程部署测试类

运行后表数据 流程部署ID为1

 

四.启动流程实例 流程实例ProcessInstance 为105 任务ID 为108

        执行启动流程实例测试类

   执行后的表数据

历史表里记录数据

五.查询当前任务列表 张三提交 到了李四的节点

六.完成个人任务 李四到了王五的节点

王五完成个人任务 流程结束

七.测试用例

package com.lpinfo.activiti.test;

import java.util.List;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.junit.Test;

public class ActivitiTest {
	
	ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

/*	@Test
	public void createTables(){
		ProcessEngineConfiguration processEngineConfiguration = ProcessEngineConfiguration.createStandaloneProcessEngineConfiguration();
		processEngineConfiguration.setJdbcDriver("com.mysql.jdbc.Driver");
		processEngineConfiguration.setJdbcUrl("jdbc:mysql://localhost:3306/lpinfo-activiti?useUnicode=true&characterEncoding=utf8");
		processEngineConfiguration.setJdbcUsername("root");
		processEngineConfiguration.setJdbcPassword("root");
		processEngineConfiguration.setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_CREATE_DROP);
		processEngineConfiguration.buildProcessEngine();
	}*/
	/**
	 * 流程部署
	 * ===配置 细信息
	 * getRepositoryService() //与流程定义和部署对象相关的Service
	 * createDeployment()  //创建一个部署对象
	 * name("helloworld入门程序")  //添加部署的名称
	 * addClasspathResource("diagrams/helloworld.bpmn") //从classpath的资源中加载，一次只能加载一个文件
	 * addClasspathResource("diagrams/helloworld.png") //从classpath的资源中加载，一次只能加载一个文件
	 * deploy() //完成部署
	 * 
	 */
	@Test
	public void deploymentProcessDefinition(){
		Deployment deployment = processEngine.getRepositoryService()
						.createDeployment()
						.name("helloworld入门程序")
						.addClasspathResource("diagrams/helloworld.bpmn")
						.addClasspathResource("diagrams/helloworld.png")
						.deploy();//完成部署
		System.out.println("部署ID:"+deployment.getId());
		System.out.println("部署类别:"+deployment.getCategory());
		System.out.println("部署名称:"+deployment.getName());
	}
	
	/**
	 * 启动流程实例
	 * getRuntimeService()//与正在执行的流程实例和执行对象相关的Service
	 * startProcessInstanceByKey(processDefinitionKey);//使用流程定义的key启动流程实例，key对应helloworld.bpmn文件中id的属性值，使用key值启动，默认是按照最新版本的流程定义启动
	 * pi.getId());//流程实例ID    101
	 * getProcessDefinitionId());//流程定义ID   helloworld:1:4
	 * */
	@Test
	public void startProcessInstance(){
		//流程定义的key
		String processDefinitionKey = "helloworld";
		ProcessInstance pi = processEngine.getRuntimeService()
						.startProcessInstanceByKey(processDefinitionKey);
		System.out.println("流程实例ID:"+pi.getId());
		System.out.println("流程定义ID:"+pi.getProcessDefinitionId());
	}
	
	/**查询当前人的个人任务*/
	@Test
	public void findMyPersonalTask(){
		String assignee = "王五";
		List<Task> list = processEngine.getTaskService()//与正在执行的任务管理相关的Service
						.createTaskQuery()//创建任务查询对象
						.taskAssignee(assignee)//指定个人任务查询，指定办理人
						.list();
		if(list!=null && list.size()>0){
			for(Task task:list){
				System.out.println("任务ID:"+task.getId());
				System.out.println("任务名称:"+task.getName());
				System.out.println("任务的创建时间:"+task.getCreateTime());
				System.out.println("任务的办理人:"+task.getAssignee());
				System.out.println("流程实例ID："+task.getProcessInstanceId());
				System.out.println("执行对象ID:"+task.getExecutionId());
				System.out.println("流程定义ID:"+task.getProcessDefinitionId());
				System.out.println("########################################################");
			}
		}
	}
	
	/**完成我的任务*/
	@Test
	public void completeMyPersonalTask(){
		//任务ID
		String taskId = "508";
		processEngine.getTaskService()//与正在执行的任务管理相关的Service
					.complete(taskId);
		System.out.println("完成任务：任务ID："+taskId);
	}
	
	
}