transformEvent.single(tdata1);
transformEvent.single(tdata2);
SelectStageListener selectStageListener = ArbitrateFactory.getInstance(pipelineId,
SelectStageListener.class);
selectStageListener.destory();
// load stage
EtlEventData ldata1 = loadEvent.await(pipelineId);
loadEvent.single(ldata1);
Long p1 = ldata1.getProcessId();