// 创建pipeline节点
channelEvent.init(channelId);
pipelineEvent.init(channelId, pipelineId);
arbitrateEventService = (ArbitrateEventService) getBeanFactory().getBean("arbitrateEventService");
mainStem = new MainStemServiceDemo();
autowire(mainStem);
select = new SelectServiceDemo();
autowire(select);
extract = new ExtractServiceDemo();
autowire(extract);