Activiti 自由跳转两种实现方式-自我总结

package com.zdc.test;import java.util.List;import org.activiti.engine.HistoryService;import org.activiti.engine.ProcessEngine;import org.activiti.engine.ProcessEngines;import org.activiti.engine.RepositoryService;import org.activiti.engine.RuntimeService;import org.activiti.engine.TaskService;import org.activiti.engine.history.HistoricTaskInstance;import org.activiti.engine.impl.RepositoryServiceImpl;import org.activiti.engine.impl.RuntimeServiceImpl;import org.activiti.engine.impl.interceptor.Command;import org.activiti.engine.impl.interceptor.CommandContext;import org.activiti.engine.impl.persistence.entity.ExecutionEntity;import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;import org.activiti.engine.impl.pvm.PvmTransition;import org.activiti.engine.impl.pvm.ReadOnlyProcessDefinition;import org.activiti.engine.impl.pvm.process.ActivityImpl;import org.activiti.engine.impl.pvm.process.ProcessDefinitionImpl;import org.activiti.engine.impl.pvm.process.TransitionImpl;import org.activiti.engine.repository.DeploymentBuilder;import org.activiti.engine.runtime.Execution;import org.activiti.engine.runtime.ProcessInstance;import org.activiti.engine.task.Task;import org.junit.Test;public class TestBuildTables {ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();/** * 部署流程 */public void DeploymentProcess(){DeploymentBuilder builder = processEngine.getRepositoryService().createDeployment();      builder.addClasspathResource("ziyouliu.bpmn");      builder.addClasspathResource("ziyouliu.png");      builder.deploy();System.out.println("创建成功");}/** * 启动流程 */public void  StartProcess(){ ProcessInstance processInstance = processEngine.getRuntimeService().startProcessInstanceById("ziyouliu:1:4"); String id = processInstance.getId();     System.out.println("启动流程成功，流程的Id是："+id);} /**  * 查询所有的活动节点  */public void  queryAllActivities(){RepositoryService repositoryService = processEngine.getRepositoryService();ReadOnlyProcessDefinition deployedProcessDefinition = (ProcessDefinitionEntity)((RepositoryServiceImpl)repositoryService).getDeployedProcessDefinition("ziyouliu:1:4");    List<ActivityImpl> activities = (List<ActivityImpl>) deployedProcessDefinition.getActivities();    for (ActivityImpl activityImpl : activities) {System.out.println(activityImpl.getId()+"活动节点的名称:"+activityImpl.getProperty("name"));}}   /**    *  根据ActivityId 查询出来想要活动Activity    * @param id    * @return    */       public ActivityImpl  queryTargetActivity(String id){RepositoryService repositoryService = processEngine.getRepositoryService();ReadOnlyProcessDefinition deployedProcessDefinition = (ProcessDefinitionEntity)((RepositoryServiceImpl)repositoryService).getDeployedProcessDefinition("ziyouliu:1:4");    List<ActivityImpl> activities = (List<ActivityImpl>) deployedProcessDefinition.getActivities();    for (ActivityImpl activityImpl : activities) {if(activityImpl.getId().equals(id)){return activityImpl;} }    return null;}/** * 查询当前的活动节点 */public ActivityImpl qureyCurrentTask(String processDefinitionId){RuntimeService runtimeService = processEngine.getRuntimeService();//String processDefinitionId="ziyouliu:1:4";    Execution execution = runtimeService.createExecutionQuery().processDefinitionId(processDefinitionId).singleResult();    String activityId = execution.getActivityId();    ActivityImpl currentActivity = queryTargetActivity(activityId);    System.out.println(currentActivity.getId()+""+currentActivity.getProperty("name"));    return currentActivity;} /** * 第一种自由跳转的方式: *   这种方式是通过 重写命令  ，推荐这种方式进行实现(这种方式的跳转，最后可以通过taskDeleteReason 来进行查询 ) */ public void jumpEndActivity(){   //当前节点 ActivityImpl currentActivityImpl = qureyCurrentTask("ziyouliu:1:4");  //目标节点 ActivityImpl targetActivity = queryTargetActivity("shenchajigou");  //当前正在执行的流程实例Id final String executionId="7501"; ((RuntimeServiceImpl)processEngine.getRuntimeService()).getCommandExecutor().execute(new Command<Object>() {public Object execute(CommandContext commandContext) {ExecutionEntity execution = commandContext.getExecutionEntityManager().findExecutionById(executionId);          execution.destroyScope("jump");  //          ProcessDefinitionImpl processDefinition = execution.getProcessDefinition();          ActivityImpl findActivity = processDefinition.findActivity("endevent1");          execution.executeActivity(findActivity);          return execution;  }   }); System.out.println("完成"); }    /**     * 查询跳转  通过 taskDeleteReason 可以设置为废除 等     * taskDeleteReason  对应数据库表中act_hi_taskinst 的 delete_reason_ 字段;     *      */public void queryAbolishActivity(){HistoryService historyService = processEngine.getHistoryService();        List<HistoricTaskInstance> list = historyService.createHistoricTaskInstanceQuery().processDefinitionId("ziyouliu:1:4").taskDeleteReason("jump").list();for (HistoricTaskInstance historicTaskInstance : list) {System.out.println("流程的名字是:"+historicTaskInstance.getName()+"分配人："+historicTaskInstance.getAssignee());}} /**  * 第二种自由跳转的方式  * 这种是通过改变 流程的路线来进行跳转  */@Testpublic void JumpEndActivity(){ TaskService taskService = processEngine.getTaskService(); Task task = taskService.createTaskQuery().processDefinitionId("ziyouliu:1:4").taskAssignee("zuzhang").singleResult(); ActivityImpl currentActivity = qureyCurrentTask("ziyouliu:1:4"); ActivityImpl targetActivity = queryTargetActivity("endevent1");   //通过活动可以获得流程 将要出去的路线，只要更改出去的目的Activity ，就可以实现自由的跳转     List<PvmTransition> outgoingTransitions = currentActivity.getOutgoingTransitions();  for (PvmTransition pvmTransition : outgoingTransitions) {  TransitionImpl transitionImpl= (TransitionImpl)pvmTransition;  transitionImpl.setDestination(targetActivity); }  taskService.complete(task.getId());   }}