工作流引擎Activiti学习---使用类个人任务分配
2017-05-24 22:48
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package com.activiti.study.personalTask; import java.io.InputStream; 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.repository.Deployment; import org.activiti.engine.runtime.ProcessInstance; import org.activiti.engine.task.Task; import org.junit.Test; public class PersonalTask3 { /** *加载默认的流程引擎: 加载 activiti.cfg.xml 文件 */ ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine(); /** * 部署流程定义 */ @Test public void testDeployProcessDefination_inputStream(){ /** -- 从classPath根目录下加载指定名称的文件 this.getClass().getClassLoader().getResourceAsStream("/diagrams/ProcessVariables.bpmn"); -- 从当前包下加载指定名称的文件 this.getClass().getResourceAsStream("diagrams/ProcessVariables.bpmn"); -- 从classPath根目录下加载指定名称的文件 this.getClass().getResourceAsStream("/diagrams/ProcessVariables.bpmn"); */ InputStream inputStreamBpmn = this.getClass().getResourceAsStream("task3.bpmn"); InputStream inputStreamPng = this.getClass().getResourceAsStream("task3.png"); Deployment deployment = processEngine.getRepositoryService() .createDeployment() .name("个人任务分配") //设定流程名称 .addInputStream("task3.bpmn", inputStreamBpmn) .addInputStream("task3.png", inputStreamPng) .deploy(); System.out.println("Id: " + deployment.getId()); System.out.println("Name: " + deployment.getName()); System.out.println("Category: " + deployment.getCategory()); } /** * 启动流程 */ @Test public void testStartProcessDefination(){ String processDefinationKey = "personalTask3"; ProcessInstance pi = processEngine.getRuntimeService().startProcessInstanceByKey(processDefinationKey); System.out.println("Key--->>>" + pi.getBusinessKey()); System.out.println("ActivityId--->>>" + pi.getActivityId()); System.out.println("DefinitionId--->>>" + pi.getProcessDefinitionId()); System.out.println("ProcessInstanceId--->>>" + pi.getProcessInstanceId()); } /** * 查询个人任务 */ @Test public void findPersonalTask(){ /**获取任务id*/ String assignee = "David"; List<Task> tasks = processEngine.getTaskService() .createTaskQuery() .taskAssignee(assignee) .list(); for(Task task: tasks){ System.out.println("\n------------------\nId: " + task.getId()+ "\nAssignee: " + task.getAssignee() + "\nProcessInstanceId: " + task.getProcessInstanceId()); } } /** * 完成任务 */ @Test public void testCompleteTask(){ String taskId = "2701"; processEngine.getTaskService().complete(taskId); System.out.println(taskId + " has Done."); } }
package com.activiti.study.personalTask; import org.activiti.engine.delegate.DelegateTask; import org.activiti.engine.delegate.TaskListener; public class TaskListenerImpl implements TaskListener { private static final long serialVersionUID = 1331752911978130983L; @Override public void notify(DelegateTask delegateTask) { delegateTask.setAssignee("David"); } }
task3.xml
<?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="personalTask3" name="Personal Task3" isExecutable="true"> <startEvent id="startevent1" name="Start"></startEvent> <userTask id="usertask1" name="User Task"> <extensionElements> <activiti:taskListener event="create" class="com.activiti.study.personalTask.TaskListenerImpl"></activiti:taskListener> </extensionElements> </userTask> <sequenceFlow id="flow1" sourceRef="startevent1" targetRef="usertask1"></sequenceFlow> <endEvent id="endevent1" name="End"></endEvent> <sequenceFlow id="flow2" sourceRef="usertask1" targetRef="endevent1"></sequenceFlow> </process> <bpmndi:BPMNDiagram id="BPMNDiagram_personalTask3"> <bpmndi:BPMNPlane bpmnElement="personalTask3" id="BPMNPlane_personalTask3"> <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1"> <omgdc:Bounds height="71.0" width="71.0" x="290.0" y="50.0"></omgdc:Bounds> </bpmndi:BPMNShape> <bpmndi:BPMNShape bpmnElement="usertask1" id="BPMNShape_usertask1"> <omgdc:Bounds height="55.0" width="105.0" x="275.0" y="200.0"></omgdc:Bounds> </bpmndi:BPMNShape> <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1"> <omgdc:Bounds height="35.0" width="35.0" x="430.0" y="210.0"></omgdc:Bounds> </bpmndi:BPMNShape> <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1"> <omgdi:waypoint x="325.0" y="121.0"></omgdi:waypoint> <omgdi:waypoint x="327.0" y="200.0"></omgdi:waypoint> </bpmndi:BPMNEdge> <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2"> <omgdi:waypoint x="380.0" y="227.0"></omgdi:waypoint> <omgdi:waypoint x="430.0" y="227.0"></omgdi:waypoint> </bpmndi:BPMNEdge> </bpmndi:BPMNPlane> </bpmndi:BPMNDiagram> </definitions>
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