public EtlEventData await(Long pipelineId) throws InterruptedException {
Assert.notNull(pipelineId);
PermitMonitor permitMonitor = ArbitrateFactory.getInstance(pipelineId, PermitMonitor.class);
permitMonitor.waitForPermit();// 阻塞等待授权
MemoryStageController stageController = ArbitrateFactory.getInstance(pipelineId, MemoryStageController.class);
Long processId = stageController.waitForProcess(StageType.TRANSFORM); // 符合条件的processId
ChannelStatus status = permitMonitor.getChannelPermit();