com.alipay.disruptor

类 AggregateEventHandler<T>

java.lang.Object

com.alipay.disruptor.AggregateEventHandler<T>

类型参数:

T - event implementation storing the data for sharing during exchange or parallel coordination of an event.

所有已实现的接口:

EventHandler<T>, LifecycleAware

public final class AggregateEventHandler<T>
extends Object
implements EventHandler<T>, LifecycleAware

An aggregate collection of EventHandlers that get called in sequence for each event.

构造器概要

构造器

构造器和说明
AggregateEventHandler(EventHandler<T>... eventHandlers) Construct an aggregate collection of EventHandlers to be called in sequence.

方法概要

方法

限定符和类型	方法和说明
void	onEvent(T event, long sequence, boolean endOfBatch) Called when a publisher has published an event to the RingBuffer
void	onShutdown() Called once just before the thread is shutdown.
void	onStart() Called once on thread start before first event is available.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

AggregateEventHandler

public AggregateEventHandler(EventHandler<T>... eventHandlers)

Construct an aggregate collection of EventHandlers to be called in sequence.

参数:

eventHandlers - to be called in sequence.

方法详细资料

onEvent

public void onEvent(T event,
           long sequence,
           boolean endOfBatch)
             throws Exception

从接口复制的说明: EventHandler

Called when a publisher has published an event to the RingBuffer

指定者:

onEvent 在接口中 EventHandler<T>

参数:

event - published to the RingBuffer

sequence - of the event being processed

endOfBatch - flag to indicate if this is the last event in a batch from the RingBuffer

抛出:

Exception - if the EventHandler would like the exception handled further up the chain.

onStart

public void onStart()

从接口复制的说明: LifecycleAware

Called once on thread start before first event is available.

指定者:

onStart 在接口中 LifecycleAware

onShutdown

public void onShutdown()

从接口复制的说明: LifecycleAware

Called once just before the thread is shutdown.

Sequence event processing will already have stopped before this method is called. No events will be processed after this message.

指定者:

onShutdown 在接口中 LifecycleAware