activiti工作流會籤例子

1.bpmn文件

<?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:xsd="http://www.w3.org/2001/XMLSchema" 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="applyHoliday2" name="請假申請" isExecutable="true">
    <startEvent id="startevent1" name="Start"></startEvent>
    <userTask id="usertask1" name="申請"></userTask>
    <sequenceFlow id="flow1" sourceRef="startevent1" targetRef="usertask1"></sequenceFlow>
    <userTask id="usertask2" name="會籤" activiti:assignee="${signer}">
      <multiInstanceLoopCharacteristics isSequential="false" activiti:collection="${signList}" activiti:elementVariable="signer">
        <completionCondition>${nrOfCompletedInstances==1}</completionCondition>
      </multiInstanceLoopCharacteristics>
    </userTask>
    <sequenceFlow id="flow2" sourceRef="usertask1" targetRef="usertask2"></sequenceFlow>
    <userTask id="usertask3" name="記錄"></userTask>
    <endEvent id="endevent1" name="End"></endEvent>
    <sequenceFlow id="flow4" sourceRef="usertask3" targetRef="endevent1"></sequenceFlow>
    <exclusiveGateway id="exclusivegateway1" name="Exclusive Gateway"></exclusiveGateway>
    <sequenceFlow id="flow7" sourceRef="usertask2" targetRef="exclusivegateway1"></sequenceFlow>
    <sequenceFlow id="flow8" name="通過" sourceRef="exclusivegateway1" targetRef="usertask3">
      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${result == "Y"}]]></conditionExpression>
    </sequenceFlow>
    <sequenceFlow id="flow9" name="拒絕" sourceRef="exclusivegateway1" targetRef="usertask1">
      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${result == "N"}]]></conditionExpression>
    </sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_applyHoliday2">
    <bpmndi:BPMNPlane bpmnElement="applyHoliday2" id="BPMNPlane_applyHoliday2">
      <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="250.0" y="210.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask1" id="BPMNShape_usertask1">
        <omgdc:Bounds height="55.0" width="105.0" x="330.0" y="200.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask2" id="BPMNShape_usertask2">
        <omgdc:Bounds height="55.0" width="105.0" x="500.0" y="200.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask3" id="BPMNShape_usertask3">
        <omgdc:Bounds height="55.0" width="105.0" x="860.0" y="200.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="1080.0" y="210.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="exclusivegateway1" id="BPMNShape_exclusivegateway1">
        <omgdc:Bounds height="40.0" width="40.0" x="710.0" y="207.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
        <omgdi:waypoint x="285.0" y="227.0"></omgdi:waypoint>
        <omgdi:waypoint x="330.0" y="227.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
        <omgdi:waypoint x="435.0" y="227.0"></omgdi:waypoint>
        <omgdi:waypoint x="500.0" y="227.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow4" id="BPMNEdge_flow4">
        <omgdi:waypoint x="965.0" y="227.0"></omgdi:waypoint>
        <omgdi:waypoint x="1080.0" y="227.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow7" id="BPMNEdge_flow7">
        <omgdi:waypoint x="605.0" y="227.0"></omgdi:waypoint>
        <omgdi:waypoint x="710.0" y="227.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow8" id="BPMNEdge_flow8">
        <omgdi:waypoint x="750.0" y="227.0"></omgdi:waypoint>
        <omgdi:waypoint x="860.0" y="227.0"></omgdi:waypoint>
        <bpmndi:BPMNLabel>
          <omgdc:Bounds height="14.0" width="24.0" x="750.0" y="227.0"></omgdc:Bounds>
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow9" id="BPMNEdge_flow9">
        <omgdi:waypoint x="730.0" y="247.0"></omgdi:waypoint>
        <omgdi:waypoint x="729.0" y="354.0"></omgdi:waypoint>
        <omgdi:waypoint x="382.0" y="354.0"></omgdi:waypoint>
        <omgdi:waypoint x="382.0" y="255.0"></omgdi:waypoint>
        <bpmndi:BPMNLabel>
          <omgdc:Bounds height="14.0" width="100.0" x="730.0" y="247.0"></omgdc:Bounds>
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>

2.java示例文件

package com.hdkj.activiti;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.runtime.ProcessInstanceQuery;
import org.activiti.engine.task.Task;
import org.junit.Test;
/**
 * @author jh
 * 會籤時辦理人是否並行在畫bpmn圖時multi instance中sequential選擇false爲並行，true爲串行
 * 編輯bpmn圖，multi instance中completion condition不填爲默認所有會籤人員全部通過才能完成會籤流程，
 * 按比例完成填寫如下${nrOfCompletedInstances/nrOfInstances >= 0.5}表示4人中在有人否決前兩人通過就完成會籤環節
 * 按數量完成填寫如下${nrOfCompletedInstances==1}表示4人中在有人否決前一人通過就完成會籤環節
 */
public class HuiQian2 {
	
	ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

	/**部署流程定義*/
	@Test
	public void deploymentProcessDefinition(){
		Deployment deployment = processEngine.getRepositoryService()//與流程定義和部署對象相關的Service
						.createDeployment()//創建一個部署對象
						.name("會籤流程測試2")//添加部署的名稱
						.addClasspathResource("diagrams/HuiQian2.bpmn")//從classpath的資源中加載，一次只能加載一個文件
						.addClasspathResource("diagrams/HuiQian2.png")//從classpath的資源中加載，一次只能加載一個文件
						.deploy();//完成部署
		System.out.println("部署ID："+deployment.getId());//1
		System.out.println("部署名稱："+deployment.getName());//helloworld入門程序  
	}
	
	/**啓動流程實例*/
	@Test
	public void startProcessInstance(){
		//流程定義的key
		String processDefinitionKey = "applyHoliday2";
//		List<String> signList=new ArrayList<String>(); //分配任務的人員
//		signList.add("tom");
//		signList.add("jeck");
//		signList.add("mary");
		//設置會籤的辦理人
		List<String> signList=Arrays.asList("tom", "jeck", "mary", "lily");
		Map<String, Object> vars = new HashMap<String, Object>(); //參數
		vars.put("signList", signList);
		ProcessInstance pi = processEngine.getRuntimeService()//與正在執行的流程實例和執行對象相關的Service
				.startProcessInstanceByKey(processDefinitionKey, "HuiQian220191205", vars);
//		ProcessInstance pi = processEngine.getRuntimeService()//與正在執行的流程實例和執行對象相關的Service
//				.startProcessInstanceByKey(processDefinitionKey, "HuiQian220191205", null);
		System.out.println("流程實例ID:"+pi.getId());//流程實例ID    101
		System.out.println("流程定義ID:"+pi.getProcessDefinitionId());//流程定義ID   helloworld:1:4
	}
	
	
	/**查詢當前人的個人任務*/
	@Test
	public void findMyPersonalTask(){
		//sequential選擇false時，會籤時大家可以同時辦理任務，沒有先後順序
		String assignee = "jeck";
		List<Task> list = processEngine.getTaskService()//與正在執行的任務管理相關的Service
						.createTaskQuery()//創建任務查詢對象
						//.taskAssignee(assignee)//指定個人任務查詢，指定辦理人
						.processInstanceId("7701")//使用流程實例ID查詢
						//.taskCandidateGroup(assignee)//組的寫法
						.list();
		if(list!=null && list.size()>0){
			for(Task task:list){
				System.out.println("任務ID:"+task.getId());
				System.out.println("任務名稱:"+task.getName());
				System.out.println("任務的創建時間:"+task.getCreateTime());
				System.out.println("任務的辦理人:"+task.getAssignee());
				System.out.println("流程實例ID："+task.getProcessInstanceId());
				System.out.println("執行對象ID:"+task.getExecutionId());
				System.out.println("流程定義ID:"+task.getProcessDefinitionId());
				System.out.println("########################################################");
			}
		}
	}
	
	/**完成我的任務*/
	/**
	 * 任務ID根據上個方法可以查詢出來，完成後再執行上面的方法，已經查不出來了，說明任務被執行到下一步
	 */
	@Test
	public void completeMyPersonalTask(){
		//任務ID
		String taskId = "8103";
		processEngine.getTaskService()//與正在執行的任務管理相關的Service
					.complete(taskId);
		System.out.println("完成任務：任務ID："+taskId);
	}
	
	
	/**完成我的任務,message爲通過和不通過*/
	@Test
	public void completeMyPersonalTask2(){
		//任務ID
		String taskId = "8012";
		//完成任務的同時，設置流程變量，使用流程變量用來指定完成任務後，下一個連線，對應sequenceFlow.bpmn文件中${message=='不重要'}
		Map<String, Object> variables = new HashMap<String, Object>();
		variables.put("result", "Y");
		processEngine.getTaskService()//與正在執行的任務管理相關的Service
					.complete(taskId,variables);
		System.out.println("完成任務：任務ID："+taskId);
	}
	/**
	 * 查詢整個流程是否完成
	 */
	@Test
	public void isEnd(){
		//第二部的流程實例ID
		String processInstance_Id="7701";
		RuntimeService runtimeService = processEngine.getRuntimeService();
		ProcessInstanceQuery createProcessInstanceQuery = runtimeService.createProcessInstanceQuery();
		ProcessInstanceQuery processInstanceId = createProcessInstanceQuery.processInstanceId(processInstance_Id);
		ProcessInstance singleResult = processInstanceId.singleResult();
		if(singleResult==null){
			System.out.println("執行完畢");
		}else{
			System.out.println("正在執行");
		}
	}

}