Activiti5工作流实战-5

public class JumpTask implements Command<Void> {
   protected String executionId;
   protected ActivityImpl desActivity;
   protected Map<String, Object> paramvar;
   protected ActivityImpl currentActivity;
   //获取默认的流程引擎
   protected static ProcessEngine pe = ProcessEngines.getDefaultProcessEngine();

   public static void main(String[] args) {
       Map<String, Object> map = new HashMap<String, Object>();
//       String[] v = { "shareniu1", "shareniu2", "shareniu3", "shareniu4" };
//       vars.put("assigneeList", Arrays.asList(v));
       map.put("leader", "hty");
       map.put("day", "7");
       RepositoryService repositoryService = pe.getRepositoryService();
       ReadOnlyProcessDefinition processDefinitionEntity = (ReadOnlyProcessDefinition) repositoryService
       .getProcessDefinition("StaffLeaveProcess:4:42504");
       // 目标节点
       ActivityImpl destinationActivity = (ActivityImpl) processDefinitionEntity
       .findActivity("usertask4");
       String executionId = "45001";
       // 当前节点
       ActivityImpl currentActivity = (ActivityImpl)processDefinitionEntity
       .findActivity("usertask1");
       pe.getManagementService().executeCommand(
       new JumpTask(executionId, destinationActivity, map,
       currentActivity));
   }

   public Void execute(CommandContext commandContext) {
       ExecutionEntityManager executionEntityManager = Context
       .getCommandContext().getExecutionEntityManager();
       // 获取当前流程的executionId，因为在并发的情况下executionId是唯一的。
       ExecutionEntity executionEntity = executionEntityManager
       .findExecutionById(executionId);
       executionEntity.setVariables(paramvar);
       executionEntity.setEventSource(this.currentActivity);
       executionEntity.setActivity(this.currentActivity);
       // 根据executionId 获取Task
       Iterator<TaskEntity> localIterator = Context.getCommandContext()
       .getTaskEntityManager()
       .findTasksByExecutionId(this.executionId).iterator();

       while (localIterator.hasNext()) {
       TaskEntity taskEntity = (TaskEntity) localIterator.next();
       // 触发任务监听
       taskEntity.fireEvent("complete");
//       taskEntity.setAssignee("hty");
       // 删除任务的原因
       Context.getCommandContext().getTaskEntityManager()
       .deleteTask(taskEntity, "completed", false);
       }
       executionEntity.executeActivity(this.desActivity);
       return null;
       }

       /**
       * 构造参数可以根据自己的业务需要添加更多的字段
       * @param executionId
       * @param desActivity
       * @param paramvar
       * @param currentActivity
       */
       public JumpTask(String executionId, ActivityImpl desActivity,
       Map<String, Object> paramvar, ActivityImpl currentActivity) {
       this.executionId = executionId;
       this.desActivity = desActivity;
       this.paramvar = paramvar;
       this.currentActivity = currentActivity;
       }

来源：oschina

链接：https://my.oschina.net/u/2671514/blog/703932

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