LifeCycleState: IDLE, START, STOP, ERROR [Source]: org.apache.flume.Source 继承LifeCycleAware{stop() + start() + getLifeCycleState()} + NamedComponent{getName() + setName()} 产生事件(Event),调用通道处理器(ChannelProcessor)的方法,将事件(Event)持久化到通道(Channel)中. [Channel]…