activiti学习--11接受任务活动
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receiveTask.bpmn
<?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="receiveTask" name="receiveTaskProcess" isExecutable="true"> <startEvent id="startevent1" name="Start"></startEvent> <receiveTask id="receivetask1" name="财务报告"></receiveTask> <receiveTask id="receivetask2" name="发送给总裁"></receiveTask> <endEvent id="endevent1" name="End"></endEvent> <sequenceFlow id="flow1" sourceRef="receivetask2" targetRef="endevent1"></sequenceFlow> <sequenceFlow id="flow2" sourceRef="startevent1" targetRef="receivetask1"></sequenceFlow> <sequenceFlow id="flow3" sourceRef="receivetask1" targetRef="receivetask2"></sequenceFlow> </process> <bpmndi:BPMNDiagram id="BPMNDiagram_receiveTask"> <bpmndi:BPMNPlane bpmnElement="receiveTask" id="BPMNPlane_receiveTask"> <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1"> <omgdc:Bounds height="35.0" width="35.0" x="350.0" y="50.0"></omgdc:Bounds> </bpmndi:BPMNShape> <bpmndi:BPMNShape bpmnElement="receivetask1" id="BPMNShape_receivetask1"> <omgdc:Bounds height="55.0" width="105.0" x="315.0" y="150.0"></omgdc:Bounds> </bpmndi:BPMNShape> <bpmndi:BPMNShape bpmnElement="receivetask2" id="BPMNShape_receivetask2"> <omgdc:Bounds height="55.0" width="105.0" x="315.0" y="260.0"></omgdc:Bounds> </bpmndi:BPMNShape> <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1"> <omgdc:Bounds height="35.0" width="35.0" x="350.0" y="380.0"></omgdc:Bounds> </bpmndi:BPMNShape> <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1"> <omgdi:waypoint x="367.0" y="315.0"></omgdi:waypoint> <omgdi:waypoint x="367.0" y="380.0"></omgdi:waypoint> </bpmndi:BPMNEdge> <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2"> <omgdi:waypoint x="367.0" y="85.0"></omgdi:waypoint> <omgdi:waypoint x="367.0" y="150.0"></omgdi:waypoint> </bpmndi:BPMNEdge> <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3"> <omgdi:waypoint x="367.0" y="205.0"></omgdi:waypoint> <omgdi:waypoint x="367.0" y="260.0"></omgdi:waypoint> </bpmndi:BPMNEdge> </bpmndi:BPMNPlane> </bpmndi:BPMNDiagram></definitions>
/** 部署流程定义(从inputStream) */ @Test public void deploymentProcessDefinition_inputStream() { InputStream inputStreamBpmn = this.getClass().getResourceAsStream("receiveTask.bpmn"); InputStream inputStreamPng = this.getClass().getResourceAsStream("receiveTask.png"); Deployment deployment = processEngine.getRepositoryService()// 与流程定义和部署对象相关的Service .createDeployment()// 创建一个部署对象 .name("接收活动任务")// 添加部署的名称 .addInputStream("receiveTask.bpmn", inputStreamBpmn)// .addInputStream("receiveTask.png", inputStreamPng)// .deploy();// 完成部署 System.out.println("部署ID:" + deployment.getId());// System.out.println("部署名称:" + deployment.getName());// System.out.println("部署时间:" + deployment.getDeploymentTime()); // 部署ID:3801 // 部署名称:接收活动任务 // 部署时间:Thu Sep 07 13:52:56 CST 2017 } /** 启动流程实例+设置流程变量+向后执行一步+获取流程变量+向后执行一步 */ @Test public void startProcessInstance() { // 流程定义的key.,key对应helloworld.bpmn文件中id的属性值,使用key值启动,默认是按照最新版本的流程定义启动 String processDefinitionKey = "receiveTask"; ProcessInstance pi = processEngine.getRuntimeService()// 与正在执行的流程实例和执行对象相关的Service .startProcessInstanceByKey(processDefinitionKey);// 使用流程定义的key启动流程实例, System.out.println("流程实例ID:" + pi.getId());// System.out.println("流程定义ID:" + pi.getProcessDefinitionId());// // 流程实例ID:4001 // 流程定义ID:receiveTask:1:3804 /** 查询执行对象ID 关联表ACT_RU_EXECUTION */ Execution execution1 = processEngine.getRuntimeService()// .createExecutionQuery()// 创建执行对象查询 .processInstanceId(pi.getId())// 使用流程实例ID查询 .activityId("receivetask1")// 当前活动的id,对应receiveTask.bpmn文件中的活动节点id的属性值 .singleResult(); // execution1:ProcessInstance[4001] /** 使用流程变量设置财务报告金额,用来传递业务参数 */ processEngine.getRuntimeService()// .setVariable(execution1.getId(), "财务金额", 21000); // 财务报告节点,停在这里,向后执行一步 /** 向后执行一步,如果流程处于等待状态,使得流程继续执行 */ processEngine.getRuntimeService().signal(execution1.getId()); /** 查询执行对象ID */ Execution execution2 = processEngine.getRuntimeService()// .createExecutionQuery()// 创建执行对象查询 .processInstanceId(pi.getId())// 使用流程实例ID查询 .activityId("receivetask2")// 当前活动的id,对应receiveTask.bpmn文件中的活动节点id的属性值 .singleResult(); /** 从流程变量中获取财务金额的值 */ Integer value = (Integer) processEngine.getRuntimeService()// .getVariable(execution2.getId(), "财务金额"); System.out.println("总裁收到的金额是:" + value); // 总裁收到的金额是:21000 /** 向后执行一步,如果流程处于等待状态,使得流程继续执行 */ processEngine.getRuntimeService().signal(execution2.getId()); }
解析:
1开启流程实例
2节点到财务报告,这里设置财务金额变量,并执行下一步
3节点到发送给总裁,获取变量的内容,执行下一步
4节点到结束
变化的表:
ACT_HI_ACTINST
ACT_HI_VARINST
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