class ConsumerGroupTopicServiceImpl extends AbstractBaseService<ConsumerGroupTopicEntity> implements CacheUpdateService, ConsumerGroupTopicService, TimerService {

	protected boolean checkChanged() {		
		boolean flag= doCheckChanged();
		if(!flag){
			if(System.currentTimeMillis()-lastTime>soaConfig.getMqMetaRebuildMaxInterval()){
				lastTime=System.currentTimeMillis();
				return true;
			}
		}else{
			lastTime=System.currentTimeMillis();
		}
		return flag;
	}

}