activiti基础--1------------------------生成.bpmn和.png以及部署流程定义

helloworld.dbmn

<?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="610.0" y="30.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="610.0" y="600.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask1" id="BPMNShape_usertask1">
        <omgdc:Bounds height="55.0" width="105.0" x="575.0" y="150.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask2" id="BPMNShape_usertask2">
        <omgdc:Bounds height="55.0" width="105.0" x="575.0" y="300.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask3" id="BPMNShape_usertask3">
        <omgdc:Bounds height="55.0" width="105.0" x="575.0" y="470.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
        <omgdi:waypoint x="627.0" y="65.0"></omgdi:waypoint>
        <omgdi:waypoint x="627.0" y="150.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
        <omgdi:waypoint x="627.0" y="205.0"></omgdi:waypoint>
        <omgdi:waypoint x="627.0" y="300.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">
        <omgdi:waypoint x="627.0" y="355.0"></omgdi:waypoint>
        <omgdi:waypoint x="627.0" y="470.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow4" id="BPMNEdge_flow4">
        <omgdi:waypoint x="627.0" y="525.0"></omgdi:waypoint>
        <omgdi:waypoint x="627.0" y="600.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>

helloworld.png

第一个测试小程序helloworld

package com.xingshang.helloworld;

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 HelloWorld {
    
    //工作引擎
    ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
    
    /**
     * 部署流程定义
     */
    @Test
    public void deploymentProcessDefinition(){
        Deployment deployment = processEngine.getRepositoryService()//与流程定义和部署相关的service
                        .createDeployment()//创建一个部署对象
                        .name("HelloWorld入门程序")//添加部署的名字
                        .addClasspathResource("diagrams/HelloWorld.bpmn")//从classpath下的资源中加载，一次只能加载一个文件
                        .addClasspathResource("diagrams/HelloWorld.png")//从classpath下的资源中加载，一次只能加载一个文件
                        .deploy();//完成部署
        System.out.println("部署ID： " + deployment.getId());//1
        System.out.println("部署名称： " + deployment.getName());//HelloWorld入门程序
    }
    
    /**
     * 启动流程实例
     */
    @Test
    public void startProcessInstance(){
        //流程定义的key
        String processDefinitionKey = "helloworld";
        ProcessInstance pi = processEngine.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
        
        System.out.println("流程实例ID: " + pi.getId());//流程实例ID   101
        System.out.println("流程定义ID: " + pi.getProcessDefinitionId());//流程定义ID   helloworld:1:4
    }
    
    /**
     * 查询当前人的个人任务
     */
    @Test
    public void findMyPersonalTask(){
        String assignee = "张三";
        
        List<Task> list = processEngine.getTaskService()//与正在执行的任务管理相关的Sercice
                        .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()); //104
                System.out.println("任务名称: " + task.getName());//提交申请
                System.out.println("任务的创建时间： " + task.getCreateTime());// Mon Dec 11 10:20:46 CST 2017
                System.out.println("任务的办理人：" + task.getAssignee());//张三
                System.out.println("流程实例ID： " + task.getProcessInstanceId());//101
                System.out.println("执行对象ID： " + task.getExecutionId());//101
                System.out.println("流程定义ID： " + task.getProcessDefinitionId());//helloworld:1:4
            }
        }
    }
    
    /**
     * 完成我的任务
     */
    @Test
    public void completeMyPersonalTask(){
        
        String taskId = "104";
        
        processEngine.getTaskService()//与正在执行的任务管理相关的Sercice
                        .complete(taskId);
        System.out.println("任务完成： 任务Id: " + taskId);
    }
}