工作流Activiti的学习总结（十二） activiti官方十分钟快速学习 (zhuan)

http://topmanopensource.iteye.com/blog/1315341

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  根据activiti官方提供的 编写 
      1.财务部门填写月财务报告
      2.股东审核月财务审计报告

流程图：

 

流程配置：

<?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://activiti.org/bpmn20">
  <process id="financialReport" name="Monthly financial report reminder process">
    <startEvent id="startevent1" name="月财务报告审核开始"></startEvent>
    <!-- 采用用户组为accountancy编写财务报告  -->
    <userTask id="usertask1" name="财务编写月财务报告" activiti:candidateGroups="accountancy"></userTask>
    <userTask id="usertask2" name="股东审核月财务审计报告" activiti:candidateGroups="management"></userTask>
    <endEvent id="endevent1" name="月财务报告审核结束"></endEvent>
    <sequenceFlow id="flow1" name="" sourceRef="startevent1" targetRef="usertask1"></sequenceFlow>
    <sequenceFlow id="flow2" name="" sourceRef="usertask1" targetRef="usertask2"></sequenceFlow>
    <sequenceFlow id="flow3" name="" sourceRef="usertask2" targetRef="endevent1"></sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_financialReport">
    <bpmndi:BPMNPlane bpmnElement="financialReport" id="BPMNPlane_financialReport">
      <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1">
        <omgdc:Bounds height="35" width="35" x="30" y="200"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask1" id="BPMNShape_usertask1">
        <omgdc:Bounds height="55" width="105" x="125" y="190"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask2" id="BPMNShape_usertask2">
        <omgdc:Bounds height="55" width="105" x="290" y="190"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">
        <omgdc:Bounds height="35" width="35" x="455" y="200"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
        <omgdi:waypoint x="65" y="217"></omgdi:waypoint>
        <omgdi:waypoint x="125" y="217"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
        <omgdi:waypoint x="230" y="217"></omgdi:waypoint>
        <omgdi:waypoint x="290" y="217"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">
        <omgdi:waypoint x="395" y="217"></omgdi:waypoint>
        <omgdi:waypoint x="455" y="217"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>

编码如下：

package com.easyway.spring.activiti;

import java.util.List;

import org.activiti.engine.HistoryService;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngineConfiguration;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.TaskService;
import org.activiti.engine.history.HistoricProcessInstance;
import org.activiti.engine.task.Task;
/**
 * 根据activiti官方提供的 编写
 *     1.财务部门填写月财务报告
 *     2.股东审核月财务审计报告
 *
 *
 * activiti提供的财务报告审核
 * <!-- 采用用户组为accountancy编写财务报告  -->
 *   <userTask id="usertask1" name="财务编写月财务报告" activiti:candidateGroups="accountancy"></userTask>
 * <!-- 采用用户组为management编写财务报告  -->
 *   <userTask id="usertask2" name="股东审核月财务审计报告" activiti:candidateGroups="management"></userTask>
 *
 * 备注：
 *    默认的两个用户：
 *    <pre>
 *       用户名   密码         用户组
        Table 2.1. The demo users
        UserId Password Security roles
        kermit kermit admin
        gonzo gonzo manager
        fozzie fozzie user
 *    </pre>
 *
 * @author longgangbai
 *
 * 2011-12-18  下午04:08:46
 */
public class CustomFinancialReportActiviti {

        public static void main(String[] args) {
            // Create Activiti process engine
            //创建一个流程引擎对象
//          ProcessEngine processEngine = ProcessEngineConfiguration
//            .createStandaloneProcessEngineConfiguration()
//            .buildProcessEngine();

          //创建一个流程引擎对象（为了便于多册测试，修改 name="databaseSchemaUpdate" value="create-drop"  默认为ture）
            ProcessEngine processEngine=ProcessEngineConfiguration.createProcessEngineConfigurationFromResource("activiti.cfg.xml").buildProcessEngine();


            // Get Activiti services
            //获取流程相关的服务
            RepositoryService repositoryService = processEngine.getRepositoryService();
            RuntimeService runtimeService = processEngine.getRuntimeService();

            // Deploy the process definition
            //部署相关的流程配置
            repositoryService.createDeployment()
              .addClasspathResource("diagrams/financialReport.bpmn20.xml")
              .deploy();

            // Start a process instance
            //获取流程实例
            String procId = runtimeService.startProcessInstanceByKey("financialReport").getId();

            // Get the first task
            TaskService taskService = processEngine.getTaskService();
            //获取accountancy组可能要操作的任务
            List<Task> tasks = taskService.createTaskQuery().taskCandidateGroup("accountancy").list();
            for (Task task : tasks) {
              System.out.println("Following task is available for accountancy group: " + task.getName());

              //设置fozzie代办 claim it
              taskService.claim(task.getId(), "fozzie");
            }

            // Verify Fozzie can now retrieve the task
            //审核fozzie当前的获取的任务数量
            tasks = taskService.createTaskQuery().taskAssignee("fozzie").list();
            for (Task task : tasks) {
              System.out.println("Task for fozzie: " + task.getName());

              // Complete the task
              //设置forzze完毕
              taskService.complete(task.getId());
            }

            System.out.println("Number of tasks for fozzie: "
                    + taskService.createTaskQuery().taskAssignee("fozzie").count());

            // Retrieve and claim the second task
            //管理者审核报告并让kermit代办
            tasks = taskService.createTaskQuery().taskCandidateGroup("management").list();
            for (Task task : tasks) {
              System.out.println("Following task is available for accountancy group: " + task.getName());
              taskService.claim(task.getId(), "kermit");
            }

            // Completing the second task ends the process
            //完成报告
            for (Task task : tasks) {
              taskService.complete(task.getId());
            }

            // verify that the process is actually finished
            //查询流程实例完成事件
            HistoryService historyService = processEngine.getHistoryService();
            HistoricProcessInstance historicProcessInstance =
              historyService.createHistoricProcessInstanceQuery().processInstanceId(procId).singleResult();
            System.out.println("Process instance end time: " + historicProcessInstance.getEndTime());
          }

        }

运行结果如下：

信息: ProcessEngine default created
2011-12-18 17:06:00 org.activiti.engine.impl.jobexecutor.JobAcquisitionThread run
信息: JobAcquisitionThread starting to acquire jobs
2011-12-18 17:06:00 org.activiti.engine.impl.bpmn.deployer.BpmnDeployer deploy
信息: Processing resource diagrams/financialReport.bpmn20.xml
2011-12-18 17:06:01 org.activiti.engine.impl.bpmn.parser.BpmnParse parseDefinitionsAttributes
信息: XMLSchema currently not supported as typeLanguage
2011-12-18 17:06:01 org.activiti.engine.impl.bpmn.parser.BpmnParse parseDefinitionsAttributes
信息: XPath currently not supported as expressionLanguage
Following task is available for accountancy group:<span style="color: #ff0000;"> 财务编写月财务报告</span>
<span style="color: #ff0000;">Task for fozzie: 财务编写月财务报告</span>
<span style="color: #ff0000;">Number of tasks for fozzie: 0</span>
<span style="color: #ff0000;">Following task is available for accountancy group: 股东审核月财务审计报告</span>
<span style="color: #ff0000;">Process instance end time: Sun Dec 18 17:06:01 CST 2011
</span>