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Activiti 6.x【11】IntermediateEvent

发布时间：2025/7/25 编程问答 39 豆豆

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IntermediateEvent组件

IntermediateEvent组件
- - Demo1【Timer+Signal+Message】
  - Demo2【Compensation+None】
  - CompensationThrowingEvent注意事项【详细可以参考官网】

IntermediateEvent分为抛出事件与捕获事件。基本与边界事件用法类似。依然以信号，消息，错误，时间为载体。具体分为六种。功能的话基本上直接翻译就大致明白。

官网上也没有详细的描述，这里主要以两个demo做讲解。

Demo1【Timer+Signal+Message】

并行网关前三行为测试信号抛出中间事件与信号捕获中间事件。

ServiceTask绑定如下【两个都绑定了如下委托执行类】

ServiceTask

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

并行网关第四行为测试消息捕获中间事件。

ServiceTask绑定如下

ServiceTask

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

并行网关之后为测试事件捕获中间事件。

ServiceTask绑定如下

ServiceTask

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

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"><signal id="signalmsg" name="signalmsg"></signal><message id="msg" name="msgName"></message><process id="intermediate" 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><intermediateThrowEvent id="signalintermediatethrowevent1" name="SignalThrowEvent"><signalEventDefinition signalRef="signalmsg"></signalEventDefinition></intermediateThrowEvent><intermediateCatchEvent id="signalintermediatecatchevent1" name="SignalCatchEvent"><signalEventDefinition signalRef="signalmsg"></signalEventDefinition></intermediateCatchEvent><intermediateCatchEvent id="signalintermediatecatchevent2" name="SignalCatchEvent"><signalEventDefinition signalRef="signalmsg"></signalEventDefinition></intermediateCatchEvent><sequenceFlow id="flow2" sourceRef="parallelgateway1" targetRef="signalintermediatecatchevent1"></sequenceFlow><sequenceFlow id="flow3" sourceRef="parallelgateway1" targetRef="signalintermediatecatchevent2"></sequenceFlow><serviceTask id="servicetask1" name="Service Task" activiti:class="com.ptm.prdemo.servicetask.ServiceTask"></serviceTask><sequenceFlow id="flow4" sourceRef="signalintermediatecatchevent1" targetRef="servicetask1"></sequenceFlow><serviceTask id="servicetask2" name="Service Task" activiti:class="com.ptm.prdemo.servicetask.ServiceTask"></serviceTask><sequenceFlow id="flow5" sourceRef="signalintermediatecatchevent2" targetRef="servicetask2"></sequenceFlow><userTask id="usertask1" name="User Task"></userTask><sequenceFlow id="flow6" sourceRef="parallelgateway1" targetRef="usertask1"></sequenceFlow><sequenceFlow id="flow7" sourceRef="usertask1" targetRef="signalintermediatethrowevent1"></sequenceFlow><parallelGateway id="parallelgateway2" name="Parallel Gateway"></parallelGateway><sequenceFlow id="flow8" sourceRef="signalintermediatethrowevent1" targetRef="parallelgateway2"></sequenceFlow><sequenceFlow id="flow9" sourceRef="servicetask1" targetRef="parallelgateway2"></sequenceFlow><sequenceFlow id="flow10" sourceRef="servicetask2" targetRef="parallelgateway2"></sequenceFlow><intermediateCatchEvent id="messageintermediatecatchevent1" name="MessageCatchEvent"><messageEventDefinition messageRef="msg"></messageEventDefinition></intermediateCatchEvent><sequenceFlow id="flow12" sourceRef="parallelgateway1" targetRef="messageintermediatecatchevent1"></sequenceFlow><serviceTask id="servicetask3" name="Service Task" activiti:class="com.ptm.prdemo.servicetask.Message"></serviceTask><sequenceFlow id="flow13" sourceRef="messageintermediatecatchevent1" targetRef="servicetask3"></sequenceFlow><sequenceFlow id="flow14" sourceRef="servicetask3" targetRef="parallelgateway2"></sequenceFlow><intermediateCatchEvent id="timerintermediatecatchevent1" name="TimerCatchEvent"><timerEventDefinition><timeDuration>R1/PT5S</timeDuration></timerEventDefinition></intermediateCatchEvent><sequenceFlow id="flow15" sourceRef="parallelgateway2" targetRef="timerintermediatecatchevent1"></sequenceFlow><serviceTask id="servicetask4" name="Service Task" activiti:class="com.ptm.prdemo.servicetask.Over"></serviceTask><sequenceFlow id="flow16" sourceRef="timerintermediatecatchevent1" targetRef="servicetask4"></sequenceFlow><endEvent id="endevent1" name="End"></endEvent><sequenceFlow id="flow17" sourceRef="servicetask4" targetRef="endevent1"></sequenceFlow></process><bpmndi:BPMNDiagram id="BPMNDiagram_intermediate"><bpmndi:BPMNPlane bpmnElement="intermediate" id="BPMNPlane_intermediate"><bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1"><omgdc:Bounds height="35.0" width="35.0" x="120.0" y="200.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="parallelgateway1" id="BPMNShape_parallelgateway1"><omgdc:Bounds height="40.0" width="40.0" x="230.0" y="197.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="signalintermediatethrowevent1" id="BPMNShape_signalintermediatethrowevent1"><omgdc:Bounds height="35.0" width="35.0" x="585.0" y="90.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="signalintermediatecatchevent1" id="BPMNShape_signalintermediatecatchevent1"><omgdc:Bounds height="35.0" width="35.0" x="410.0" y="200.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="signalintermediatecatchevent2" id="BPMNShape_signalintermediatecatchevent2"><omgdc:Bounds height="35.0" width="35.0" x="410.0" y="310.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="servicetask1" id="BPMNShape_servicetask1"><omgdc:Bounds height="55.0" width="105.0" x="550.0" y="190.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="servicetask2" id="BPMNShape_servicetask2"><omgdc:Bounds height="55.0" width="105.0" x="550.0" y="300.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="usertask1" id="BPMNShape_usertask1"><omgdc:Bounds height="55.0" width="105.0" x="375.0" y="80.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="parallelgateway2" id="BPMNShape_parallelgateway2"><omgdc:Bounds height="40.0" width="40.0" x="770.0" y="197.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="messageintermediatecatchevent1" id="BPMNShape_messageintermediatecatchevent1"><omgdc:Bounds height="35.0" width="35.0" x="410.0" y="390.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="servicetask3" id="BPMNShape_servicetask3"><omgdc:Bounds height="55.0" width="105.0" x="550.0" y="380.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="timerintermediatecatchevent1" id="BPMNShape_timerintermediatecatchevent1"><omgdc:Bounds height="35.0" width="35.0" x="880.0" y="200.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="servicetask4" id="BPMNShape_servicetask4"><omgdc:Bounds height="55.0" width="105.0" x="960.0" y="190.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1"><omgdc:Bounds height="35.0" width="35.0" x="1140.0" y="200.0"></omgdc:Bounds></bpmndi:BPMNShape><bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1"><omgdi:waypoint x="155.0" y="217.0"></omgdi:waypoint><omgdi:waypoint x="230.0" y="217.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2"><omgdi:waypoint x="270.0" y="217.0"></omgdi:waypoint><omgdi:waypoint x="410.0" y="217.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3"><omgdi:waypoint x="250.0" y="237.0"></omgdi:waypoint><omgdi:waypoint x="250.0" y="327.0"></omgdi:waypoint><omgdi:waypoint x="410.0" y="327.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow4" id="BPMNEdge_flow4"><omgdi:waypoint x="445.0" y="217.0"></omgdi:waypoint><omgdi:waypoint x="550.0" y="217.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow5" id="BPMNEdge_flow5"><omgdi:waypoint x="445.0" y="327.0"></omgdi:waypoint><omgdi:waypoint x="550.0" y="327.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow6" id="BPMNEdge_flow6"><omgdi:waypoint x="250.0" y="197.0"></omgdi:waypoint><omgdi:waypoint x="250.0" y="107.0"></omgdi:waypoint><omgdi:waypoint x="375.0" y="107.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow7" id="BPMNEdge_flow7"><omgdi:waypoint x="480.0" y="107.0"></omgdi:waypoint><omgdi:waypoint x="585.0" y="107.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow8" id="BPMNEdge_flow8"><omgdi:waypoint x="620.0" y="107.0"></omgdi:waypoint><omgdi:waypoint x="790.0" y="107.0"></omgdi:waypoint><omgdi:waypoint x="790.0" y="197.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow9" id="BPMNEdge_flow9"><omgdi:waypoint x="655.0" y="217.0"></omgdi:waypoint><omgdi:waypoint x="770.0" y="217.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow10" id="BPMNEdge_flow10"><omgdi:waypoint x="655.0" y="327.0"></omgdi:waypoint><omgdi:waypoint x="790.0" y="327.0"></omgdi:waypoint><omgdi:waypoint x="790.0" y="237.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow12" id="BPMNEdge_flow12"><omgdi:waypoint x="250.0" y="237.0"></omgdi:waypoint><omgdi:waypoint x="250.0" y="407.0"></omgdi:waypoint><omgdi:waypoint x="410.0" y="407.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow13" id="BPMNEdge_flow13"><omgdi:waypoint x="445.0" y="407.0"></omgdi:waypoint><omgdi:waypoint x="550.0" y="407.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow14" id="BPMNEdge_flow14"><omgdi:waypoint x="655.0" y="407.0"></omgdi:waypoint><omgdi:waypoint x="790.0" y="407.0"></omgdi:waypoint><omgdi:waypoint x="790.0" y="237.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow15" id="BPMNEdge_flow15"><omgdi:waypoint x="810.0" y="217.0"></omgdi:waypoint><omgdi:waypoint x="880.0" y="217.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow16" id="BPMNEdge_flow16"><omgdi:waypoint x="915.0" y="217.0"></omgdi:waypoint><omgdi:waypoint x="960.0" y="217.0"></omgdi:waypoint></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="flow17" id="BPMNEdge_flow17"><omgdi:waypoint x="1065.0" y="217.0"></omgdi:waypoint><omgdi:waypoint x="1140.0" y="217.0"></omgdi:waypoint></bpmndi:BPMNEdge></bpmndi:BPMNPlane></bpmndi:BPMNDiagram> </definitions>

测试代码

@Test public void Intermediate() throws InterruptedException{Deployment deployment = repositoryService.createDeployment().name("intermediate").addClasspathResource("bpmn/intermediate.bpmn").addClasspathResource("bpmn/intermediate.png").deploy();System.out.println("部署ID："+deployment.getId());System.out.println("部署名称："+deployment.getName());ProcessInstance pi = runtimeService.startProcessInstanceByKey("intermediate");Task task = taskService.createTaskQuery().processInstanceId(pi.getId()).singleResult();System.out.println("当前流程任务：" + task.getName());taskService.complete(task.getId());//发送message事件Execution ex = runtimeService.createExecutionQuery().processDefinitionId(pi.getProcessDefinitionId()).activityId("messageintermediatecatchevent1").singleResult();runtimeService.messageEventReceived("msgName", ex.getId());Thread.sleep(1000 *15); }

Demo2【Compensation+None】

流程图总览

NoneThrowingEvent绑定

该事件通常用于指示流程中实现的某些状态。一般用于做监听。

ListenTest

public class ListenTest implements ExecutionListener {@Overridepublic void notify(DelegateExecution execution) {System.out.println("执行监听");} }

ServiceTask绑定

ServiceTask

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

ServiceTask2

public class ServiceTask2 implements JavaDelegate {@Overridepublic void execute(DelegateExecution execution) {System.out.println("ServiceTask2");} }

XML代码

测试代码

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

CompensationThrowingEvent注意事项【详细可以参考官网】

CompensationThrowingEvent可用于触发补偿。

如果在包含子流程的范围内抛出补偿且子流程包含具有补偿处理程序的活动，则补偿仅在抛出补偿时成功完成后才传播到子流程。如果嵌套在子流程中的某些活动已完成并附加了补偿处理程序，则如果尚未完成包含这些活动的子流程，则不会执行补偿处理程序。

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