Examples of org.fireflow.engine.IWorkItem.claim()

org.fireflow.engine.IWorkItem.claim()
签收工作项。如果任务实例的分配模式是ANY，则同一个任务实例的其他工作项将被删除。如果任务是里的分配模式是ALL，则此操作不影响同一个任务实例的其他工作项的状态。
如果签收成功，则返回一个新的IWorkItem对象，并且更新当前WorkItem对象的状态修改成RUNNING状态，更新ClaimedTime属性值。
如果签收失败，则返回null，且当前WorkItem的状态被修改为CANCELED
例如：同一个TaskInstance被分配给Actor_1和Actor_2，且分配模式是ANY，即便Actor_1和Actor_2同时执行签收操作，也必然有一个人签收失败。系统对这种竞争性操作进行了同步。 @throws org.fireflow.engine.EngineException @throws org.fireflow.kenel.KenelException @return 如果签收成功，则返回一个新的IWorkItem对象；否则返回null

   */
  public IWorkItem claimWorkItem(final String workItemId)
      throws EngineException, KernelException {
    IWorkItem result = null;
    IWorkItem wi = this.findWorkItemById(workItemId);
    result = wi.claim();
    return result;
  }


  /* (non-Javadoc)
   * @see org.fireflow.engine.IWorkflowSession#completeWorkItem(java.lang.String)

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              ITaskInstanceManager taskInstanceMgr = runtimeContext.getTaskInstanceManager();
                for (int k = 0; k < workItemList.size(); k++) {
                    IWorkItem completedWorkItem = workItemList.get(k);


                    IWorkItem newFromWorkItem = taskInstanceMgr.createWorkItem(currentSession,processInstance,taskInstance, completedWorkItem.getActorId());
                    newFromWorkItem.claim(); //并自动签收
                }
            } else {
                IBeanFactory beanFactory = runtimeContext.getBeanFactory();
                //从spring中获取到对应任务的Performer，创建工单
                IAssignmentHandler assignmentHandler = (IAssignmentHandler) beanFactory.getBean(part.getAssignmentHandler());

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        if (!needClaim){
          if (FormTask.ALL.equals(taskInst.getAssignmentStrategy()) ||
              (FormTask.ANY.equals(taskInst.getAssignmentStrategy()) && actorIdsList.size()==1)){
            for (int i=0;i<workItems.size();i++){
              IWorkItem wi = workItems.get(i);
              wi.claim();
            }
          }
        }
          
    }

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    IAssignmentHandler {


    public static final String ACTOR_ID = "Fireflow JUnit Tester";
    public void assign(IAssignable asignable, String performerName) throws EngineException, KernelException {
        IWorkItem wi = asignable.assignToActor(ACTOR_ID);
        wi.claim();
        wi.complete();
    }




}

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      IWorkflowSession workflowSession = ((IWorkflowSessionAware)taskInstance).getCurrentWorkflowSession();
      
      System.out.println("+++++++++++++Current Workflow Session is "+workflowSession.hashCode());
      System.out.println("+++++++++++ x in current workflow session is "+workflowSession.getAttribute("x"));
        IWorkItem wi = asignable.assignToActor(ACTOR_ID);
        wi.claim();
    }


}

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                    //选择第一个workitem进行操作
                    if (myWorkItemsList!=null && myWorkItemsList.size()>0){
                      IWorkItem wi = (IWorkItem)myWorkItemsList.get(0);
                      //1、首先签收
                      wi.claim();
                      
                      //2、然后设置流程变量
                      //在实际业务中，申请人应该需要填写一个表单，在这个简单的测试中就省略了……
                      IProcessInstance processInstance = 
                        ((TaskInstance)wi.getTaskInstance()).getAliveProcessInstance();

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                    //选择第一个workitem进行操作
                    if (myWorkItemsList!=null && myWorkItemsList.size()>0){
                      IWorkItem wi = (IWorkItem)myWorkItemsList.get(0);
                      //1、首先签收
                      wi.claim();
                      
                      //2、然后设置流程变量
                      //在实际业务中，审批人应该需要填写一个表单，在这个简单的测试中就省略了……
                      IProcessInstance processInstance = 
                        ((TaskInstance)wi.getTaskInstance()).getAliveProcessInstance();

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