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Activiti 6.x【8】EndEvent

2018-09-15 1596
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版权声明：转载注明出处就OK的说，有些东西会转载，都会注明的说= =如果有冒犯麻烦见谅 https://blog.csdn.net/Pan1458689676/article/details/82711607

EndEvent组件

EndEvent总述

这里写图片描述

EndEvent分为四种，第一种为普通EndEvent，第二种为抛出错误的EndEvent，第三种为终止流程的EndEvent，第四种为取消流程的EndEvent【会触发补偿事件】下面开始逐一讲解。

EndEvent（普通）

EndEvent是正常的结束事件声明，EndEvent（普通）对应的XML内代码如下：

<endEvent id="endevent1" name="End"></endEvent>

ErrorEndEvent（ErrorStartEvent+ErrorEndEvent）

ErrorEndEvent 可以抛出error用于被接收。执行带有ErrorEndEvent的路线必定触发error标识
【除ErrorEndEvent之外还有以下方式可以手动抛出error】

throw new org.activiti.engine.delegate.BpmnError(“对应的errorcode”);

流程图总览
这里写图片描述

XML代码

<?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">
  <error id="errortest" errorCode="errorCode"></error>
  <process id="ErrorEnd" name="My process" isExecutable="true">
    <startEvent id="startevent1" name="Start"></startEvent>
    <endEvent id="errorendevent1" name="ErrorEnd">
      <errorEventDefinition errorRef="errortest"></errorEventDefinition>
    </endEvent>
    <subProcess id="eventsubprocess1" name="Event sub Process" triggeredByEvent="true">
      <startEvent id="errorstartevent1" name="Error start">
        <errorEventDefinition errorRef="errortest"></errorEventDefinition>
      </startEvent>
      <endEvent id="endevent1" name="End"></endEvent>
      <serviceTask id="servicetask2" name="Service Task" activiti:class="com.ptm.prdemo.servicetask.Through2"></serviceTask>
      <sequenceFlow id="flow3" sourceRef="errorstartevent1" targetRef="servicetask2"></sequenceFlow>
      <sequenceFlow id="flow4" sourceRef="servicetask2" targetRef="endevent1"></sequenceFlow>
    </subProcess>
    <serviceTask id="servicetask1" name="Service Task" activiti:class="com.ptm.prdemo.servicetask.Through"></serviceTask>
    <sequenceFlow id="flow1" sourceRef="startevent1" targetRef="servicetask1"></sequenceFlow>
    <sequenceFlow id="flow2" sourceRef="servicetask1" targetRef="errorendevent1"></sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_ErrorEnd">
    <bpmndi:BPMNPlane bpmnElement="ErrorEnd" id="BPMNPlane_ErrorEnd">
      <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="190.0" y="220.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="errorendevent1" id="BPMNShape_errorendevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="510.0" y="220.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="eventsubprocess1" id="BPMNShape_eventsubprocess1">
        <omgdc:Bounds height="141.0" width="391.0" x="170.0" y="40.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="errorstartevent1" id="BPMNShape_errorstartevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="200.0" y="94.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="510.0" y="94.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="servicetask2" id="BPMNShape_servicetask2">
        <omgdc:Bounds height="55.0" width="105.0" x="310.0" y="84.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="servicetask1" id="BPMNShape_servicetask1">
        <omgdc:Bounds height="55.0" width="105.0" x="320.0" y="210.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">
        <omgdi:waypoint x="235.0" y="111.0"></omgdi:waypoint>
        <omgdi:waypoint x="310.0" y="111.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow4" id="BPMNEdge_flow4">
        <omgdi:waypoint x="415.0" y="111.0"></omgdi:waypoint>
        <omgdi:waypoint x="510.0" y="111.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
        <omgdi:waypoint x="225.0" y="237.0"></omgdi:waypoint>
        <omgdi:waypoint x="320.0" y="237.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
        <omgdi:waypoint x="425.0" y="237.0"></omgdi:waypoint>
        <omgdi:waypoint x="510.0" y="237.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>

注意

这里写图片描述

Through 

public class Through implements JavaDelegate {
    @Override
    public void execute(DelegateExecution execution) {
        System.out.println("执行了主流程的方法");
    }
}

Through2

public class Through2 implements JavaDelegate {
    @Override
    public void execute(DelegateExecution execution) {
        System.out.println("执行了子流程的方法");
    }
}

测试代码

@Test
public void ErrorEnd(){
    Deployment deployment = repositoryService.createDeployment()
                    .name("ErrorEnd")
                    .addClasspathResource("bpmn/ErrorEnd.bpmn")
                    .addClasspathResource("bpmn/ErrorEnd.png")
                    .deploy();
    System.out.println("部署ID："+deployment.getId());
    System.out.println("部署名称："+deployment.getName());
    runtimeService.startProcessInstanceByKey("ErrorEnd");
}

这里写图片描述

TerminateEndEvent

注意

终止事件事件表示为结束事件，具有terminateEventDefinition子元素。terminateAll属性是可选的，默认情况下为false。可以添加可选属性terminateAll。如果为true，则无论在流程定义中是否放置终止结束事件，并且无论是否处于子流程（甚至是嵌套）、（根）流程实例都将终止。

<endEvent id="myEndEvent >
  <terminateEventDefinition activiti:terminateAll="true"></terminateEventDefinition>
</endEvent>

流程图总览
这里写图片描述

XML代码

<?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="TerminateEnd" name="My process" isExecutable="true">
    <startEvent id="startevent1" name="Start"></startEvent>
    <parallelGateway id="parallelgateway1" name="Parallel Gateway"></parallelGateway>
    <sequenceFlow id="flow1" sourceRef="startevent1" targetRef="parallelgateway1"></sequenceFlow>
    <userTask id="usertask1" name="usertask1"></userTask>
    <userTask id="usertask2" name="usertask2"></userTask>
    <sequenceFlow id="flow2" sourceRef="parallelgateway1" targetRef="usertask1"></sequenceFlow>
    <sequenceFlow id="flow3" sourceRef="parallelgateway1" targetRef="usertask2"></sequenceFlow>
    <endEvent id="terminateendevent1" name="TerminateEndEvent">
      <terminateEventDefinition></terminateEventDefinition>
    </endEvent>
    <sequenceFlow id="flow4" sourceRef="usertask1" targetRef="terminateendevent1"></sequenceFlow>
    <endEvent id="endevent1" name="End"></endEvent>
    <sequenceFlow id="flow5" sourceRef="usertask2" targetRef="endevent1"></sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_TerminateEnd">
    <bpmndi:BPMNPlane bpmnElement="TerminateEnd" id="BPMNPlane_TerminateEnd">
      <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="110.0" y="200.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="parallelgateway1" id="BPMNShape_parallelgateway1">
        <omgdc:Bounds height="40.0" width="40.0" x="240.0" y="197.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask1" id="BPMNShape_usertask1">
        <omgdc:Bounds height="55.0" width="105.0" x="380.0" y="130.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask2" id="BPMNShape_usertask2">
        <omgdc:Bounds height="55.0" width="105.0" x="380.0" y="260.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="terminateendevent1" id="BPMNShape_terminateendevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="610.0" y="140.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="620.0" y="270.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
        <omgdi:waypoint x="145.0" y="217.0"></omgdi:waypoint>
        <omgdi:waypoint x="240.0" y="217.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
        <omgdi:waypoint x="260.0" y="197.0"></omgdi:waypoint>
        <omgdi:waypoint x="260.0" y="157.0"></omgdi:waypoint>
        <omgdi:waypoint x="380.0" y="157.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">
        <omgdi:waypoint x="260.0" y="237.0"></omgdi:waypoint>
        <omgdi:waypoint x="260.0" y="287.0"></omgdi:waypoint>
        <omgdi:waypoint x="380.0" y="287.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow4" id="BPMNEdge_flow4">
        <omgdi:waypoint x="485.0" y="157.0"></omgdi:waypoint>
        <omgdi:waypoint x="610.0" y="157.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow5" id="BPMNEdge_flow5">
        <omgdi:waypoint x="485.0" y="287.0"></omgdi:waypoint>
        <omgdi:waypoint x="620.0" y="287.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>

这里用来给下面获取判断是哪个usertask做标识

这里写图片描述

测试代码

@Test
public void TerminateEnd(){
    Deployment deployment = repositoryService.createDeployment()
                    .name("TerminateEnd")
                    .addClasspathResource("bpmn/TerminateEnd.bpmn")
                    .addClasspathResource("bpmn/TerminateEnd.png")
                    .deploy();
    System.out.println("部署ID："+deployment.getId());
    System.out.println("部署名称："+deployment.getName());
    ProcessInstance pi =runtimeService.startProcessInstanceByKey("TerminateEnd");

    long exeCount = runtimeService.createExecutionQuery().processInstanceId(pi.getId()).count();
    System.out.println("终止前执行流数量：" + exeCount);

    Task task = taskService.createTaskQuery().processInstanceId(pi.getId()).taskName("usertask1").singleResult();
    //Task task = taskService.createTaskQuery().processInstanceId(pi.getId()).taskName("usertask2").singleResult();

    taskService.complete(task.getId());

    exeCount = runtimeService.createExecutionQuery().processInstanceId(pi.getId()).count();
    System.out.println("终止后执行流数量：" + exeCount);

    ProcessInstance newPi = runtimeService.createProcessInstanceQuery().processInstanceId(pi.getId()).singleResult();
    System.out.println(newPi);
}

备注

这里写图片描述
第一个task为获取执行终止事件之前的那个【上方的那个】usertask，注释的是获取下方那个usertask。

这里写图片描述
执行两次用第一个usertask与第二个分别执行两次，验证普通结束事件与终止结束事件的不同。

【执行上方那个usertask，接着执行了终止结束事件。可以看到所有执行的任务全部被杀死】

这里写图片描述

【执行下方那个usertask，接着执行了普通结束事件。可以看到上发的流程任然存活】

这里写图片描述

CancelEndEvent

注意

取消结束事件只能与事务子流程结合使用【如下图】。当到达取消结束事件时，抛出取消事件，必须由取消边界事件捕获。取消边界事件然后取消交易并触发补偿。
这里写图片描述

取消结束事件表示为结束事件，具有cancelEventDefinition子元素。

<endEvent id="myCancelEndEvent">
  <cancelEventDefinition />
</endEvent>

补偿处理服务设置

这里写图片描述

流程图总览【最基础的取消结束事件demo】
这里写图片描述

全部采用servicetask方便获取信息，也测试一下执行顺序，绑定servicetask的三个类如下：

这里写图片描述

XML代码

<?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="CancelEnd" name="My process" isExecutable="true">
    <transaction id="transaction1" name="Transaction">
      <endEvent id="cancelendevent1" name="CancelEnd">
        <cancelEventDefinition></cancelEventDefinition>
      </endEvent>
      <startEvent id="startevent1" name="Start"></startEvent>
      <serviceTask id="servicetask1" name="Process" activiti:class="com.ptm.prdemo.servicetask.Process"></serviceTask>
      <sequenceFlow id="flow5" sourceRef="startevent1" targetRef="servicetask1"></sequenceFlow>
      <sequenceFlow id="flow6" sourceRef="servicetask1" targetRef="cancelendevent1"></sequenceFlow>
      <boundaryEvent id="boundarycompensation1" name="Compensate" attachedToRef="servicetask1" cancelActivity="true">
        <compensateEventDefinition></compensateEventDefinition>
      </boundaryEvent>
      <serviceTask id="servicetask2" name="Compensate" isForCompensation="true" activiti:class="com.ptm.prdemo.servicetask.Compensate"></serviceTask>
      <association id="association1" sourceRef="boundarycompensation1" targetRef="servicetask2"></association>
    </transaction>
    <startEvent id="startevent2" name="Start"></startEvent>
    <sequenceFlow id="flow3" sourceRef="startevent2" targetRef="transaction1"></sequenceFlow>
    <endEvent id="endevent1" name="End"></endEvent>
    <sequenceFlow id="flow4" sourceRef="transaction1" targetRef="endevent1"></sequenceFlow>
    <boundaryEvent id="boundarycancel1" name="Cancel" attachedToRef="transaction1" cancelActivity="true">
      <cancelEventDefinition></cancelEventDefinition>
    </boundaryEvent>
    <serviceTask id="servicetask3" name="CancelEnd" activiti:class="com.ptm.prdemo.servicetask.CancelEnd"></serviceTask>
    <sequenceFlow id="flow7" sourceRef="boundarycancel1" targetRef="servicetask3"></sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_CancelEnd">
    <bpmndi:BPMNPlane bpmnElement="CancelEnd" id="BPMNPlane_CancelEnd">
      <bpmndi:BPMNShape bpmnElement="transaction1" id="BPMNShape_transaction1">
        <omgdc:Bounds height="221.0" width="391.0" x="250.0" y="120.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="cancelendevent1" id="BPMNShape_cancelendevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="560.0" y="180.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="290.0" y="180.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="servicetask1" id="BPMNShape_servicetask1">
        <omgdc:Bounds height="55.0" width="105.0" x="390.0" y="170.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="boundarycompensation1" id="BPMNShape_boundarycompensation1">
        <omgdc:Bounds height="30.0" width="30.0" x="430.0" y="210.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="servicetask2" id="BPMNShape_servicetask2">
        <omgdc:Bounds height="55.0" width="105.0" x="494.0" y="260.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="boundarycancel1" id="BPMNShape_boundarycancel1">
        <omgdc:Bounds height="30.0" width="30.0" x="440.0" y="330.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="startevent2" id="BPMNShape_startevent2">
        <omgdc:Bounds height="35.0" width="35.0" x="90.0" y="213.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="760.0" y="213.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="servicetask3" id="BPMNShape_servicetask3">
        <omgdc:Bounds height="55.0" width="105.0" x="540.0" y="380.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="flow5" id="BPMNEdge_flow5">
        <omgdi:waypoint x="325.0" y="197.0"></omgdi:waypoint>
        <omgdi:waypoint x="390.0" y="197.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow6" id="BPMNEdge_flow6">
        <omgdi:waypoint x="495.0" y="197.0"></omgdi:waypoint>
        <omgdi:waypoint x="560.0" y="197.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="association1" id="BPMNEdge_association1">
        <omgdi:waypoint x="445.0" y="240.0"></omgdi:waypoint>
        <omgdi:waypoint x="546.0" y="260.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">
        <omgdi:waypoint x="125.0" y="230.0"></omgdi:waypoint>
        <omgdi:waypoint x="250.0" y="230.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow4" id="BPMNEdge_flow4">
        <omgdi:waypoint x="641.0" y="230.0"></omgdi:waypoint>
        <omgdi:waypoint x="760.0" y="230.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow7" id="BPMNEdge_flow7">
        <omgdi:waypoint x="455.0" y="360.0"></omgdi:waypoint>
        <omgdi:waypoint x="592.0" y="380.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>

ServiceTask类

CancelEnd 

public class CancelEnd implements JavaDelegate {
    @Override
    public void execute(DelegateExecution execution) {
        System.out.println("CancelEnd");
    }
}

Compensate 

public class Compensate implements JavaDelegate {
    @Override
    public void execute(DelegateExecution execution) {
        System.out.println("Compensate");
    }
}

Compensate 

public class Compensate implements JavaDelegate {
    @Override
    public void execute(DelegateExecution execution) {
        System.out.println("Compensate");
    }
}

Process 

public class Process implements JavaDelegate {
    @Override
    public void execute(DelegateExecution execution) {
        System.out.println("Process");
    }
}

测试代码

@Test
public void CancelEnd(){
    Deployment deployment = repositoryService.createDeployment()
                    .name("CancelEnd")
                    .addClasspathResource("bpmn/CancelEnd.bpmn")
                    .addClasspathResource("bpmn/CancelEnd.png")
                    .deploy();
    System.out.println("部署ID："+deployment.getId());
    System.out.println("部署名称："+deployment.getName());
    runtimeService.startProcessInstanceByKey("CancelEnd");
}

顺序无需记忆由里到外依次执行

这里写图片描述

注意

边界事件缺失程序执行会报错

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