activiti 组任务指定办理人三种方式（十一）
1、流程图
2. 实现方法
package com.hxzq.workflow.group;
import java.util.ArrayList;
import java.util.List;
import org.activiti.engine.delegate.DelegateTask;
import org.activiti.engine.delegate.TaskListener;
/**
* 指定组任务办理人
*
* @author ZHEN.L
*
*/
public class GroupTaskListinerImpl implements TaskListener {
private static final long serialVersionUID = -3323445775884905692L;
public void notify(DelegateTask delegateTask) {
List<String> list = new ArrayList<String>();
list.add("A1");
list.add("A2");
list.add("A3");
delegateTask.addCandidateUsers(list);
}
}
package com.hxzq.workflow.group;
import java.io.InputStream;
import java.util.List;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.history.HistoricIdentityLink;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.IdentityLink;
import org.activiti.engine.task.Task;
import org.junit.Test;
/**
* 组任务<br>
* 1、在cand users设置执行人名称以逗号隔开<br>
* 2、在设置变量${user}<br>
* 3、类
*
* select * from act_ru_identitylink; #任务表（个人任务、组任任务）<br>
* select * from act_hi_identitylink; # 任务历史表
*
* @author ZHEN.L
*/
public class GroupTask {
<span style="white-space:pre"> </span>ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
<span style="white-space:pre"> </span>@Test
<span style="white-space:pre"> </span>public void deploymentProcessDefinition() {
<span style="white-space:pre"> </span>InputStream bpmn = this.getClass()
<span style="white-space:pre"> </span>.getResourceAsStream("GroupTask.bpmn");
<span style="white-space:pre"> </span>InputStream png = this.getClass().getResourceAsStream("GroupTask.png");
<span style="white-space:pre"> </span>processEngine.getRepositoryService().createDeployment()
<span style="white-space:pre"> </span>.addInputStream("GroupTask.bpmn", bpmn)
<span style="white-space:pre"> </span>.addInputStream("GroupTask.png", png).name("组任务").deploy();
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>@Test
<span style="white-space:pre"> </span>public void startProcessInstance() {
<span style="white-space:pre"> </span>String processInstanceKey = "GroupTask";
<span style="white-space:pre"> </span>ProcessInstance processInstance = processEngine.getRuntimeService()
<span style="white-space:pre"> </span>.startProcessInstanceByKey(processInstanceKey);
<span style="white-space:pre"> </span>System.out.println(processInstance.getId());
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>/**
<span style="white-space:pre"> </span> * 查询当前人的组任务
<span style="white-space:pre"> </span> */
<span style="white-space:pre"> </span>@Test
<span style="white-space:pre"> </span>public void findGroupTask() {
<span style="white-space:pre"> </span>String user = "A1";
<span style="white-space:pre"> </span>List<Task> list = processEngine.getTaskService().createTaskQuery()
<span style="white-space:pre"> </span>.taskCandidateUser(user).list();
<span style="white-space:pre"> </span>if (list != null && list.size() > 0) {
<span style="white-space:pre"> </span>for (Task t : list) {
<span style="white-space:pre"> </span>System.out.println(t.getId() + ", " + t.getName() + ", "
<span style="white-space:pre"> </span>+ t.getCreateTime());
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>/**
<span style="white-space:pre"> </span> * 查询正在执行的任务办理人列表
<span style="white-space:pre"> </span> */
<span style="white-space:pre"> </span>@Test
<span style="white-space:pre"> </span>public void findRunPersonTask() {
<span style="white-space:pre"> </span>String taskId = "4804";
<span style="white-space:pre"> </span>List<IdentityLink> identityLinks = processEngine.getTaskService()
<span style="white-space:pre"> </span>.getIdentityLinksForTask(taskId);
<span style="white-space:pre"> </span>if (identityLinks != null && identityLinks.size() > 0) {
<span style="white-space:pre"> </span>for (IdentityLink l : identityLinks) {
<span style="white-space:pre"> </span>System.out.println(l.getUserId());
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>/**
<span style="white-space:pre"> </span> * 查询历史任务的办理人
<span style="white-space:pre"> </span> */
<span style="white-space:pre"> </span>@Test
<span style="white-space:pre"> </span>public void findHistoricPersonTask() {
<span style="white-space:pre"> </span>String taskId = "4804";
<span style="white-space:pre"> </span>List<HistoricIdentityLink> list = processEngine.getHistoryService()
<span style="white-space:pre"> </span>.getHistoricIdentityLinksForTask(taskId);
<span style="white-space:pre"> </span>if (list != null && list.size() > 0) {
<span style="white-space:pre"> </span>for (HistoricIdentityLink h : list) {
<span style="white-space:pre"> </span>System.out.println(h.getGroupId() + ", " + h.getTaskId());
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>/**
<span style="white-space:pre"> </span> * 将组任务分配给个人任务
<span style="white-space:pre"> </span> */
<span style="white-space:pre"> </span>@Test
<span style="white-space:pre"> </span>public void cliam() {
<span style="white-space:pre"> </span>String taskId = "4804";
<span style="white-space:pre"> </span>String user = "AAA";
<span style="white-space:pre"> </span>processEngine.getTaskService().claim(taskId, user);
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>/**
<span style="white-space:pre"> </span> * 分配给个人后的组任务退回给组任务
<span style="white-space:pre"> </span> */
<span style="white-space:pre"> </span>@Test
<span style="white-space:pre"> </span>public void setAssginee() {
<span style="white-space:pre"> </span>String taskId = "4804";
<span style="white-space:pre"> </span>processEngine.getTaskService().setAssignee(taskId, null);
<span style="white-space:pre"> </span>}
<span style="white-space:pre"> </span>/**
<span style="white-space:pre"> </span> * 完成任务
<span style="white-space:pre"> </span> */
<span style="white-space:pre"> </span>@Test
<span style="white-space:pre"> </span>public void completeTask() {
<span style="white-space:pre"> </span>String taskId = "4804";
<span style="white-space:pre"> </span>processEngine.getTaskService().complete(taskId);
<span style="white-space:pre"> </span>}
}