org.jboss.netty.channel

Interface ChannelFutureListener

All Superinterfaces:

EventListener

All Known Subinterfaces:

ChannelFutureProgressListener

All Known Implementing Classes:

ChannelFutureNotifier

public interface ChannelFutureListener
extends EventListener

Listens to the result of a ChannelFuture. The result of the asynchronous Channel I/O operation is notified once this listener is added by calling ChannelFuture.addListener(ChannelFutureListener).

Return the control to the caller quickly

operationComplete(ChannelFuture) is directly called by an I/O thread. Therefore, performing a time consuming task or a blocking operation in the handler method can cause an unexpected pause during I/O. If you need to perform a blocking operation on I/O completion, try to execute the operation in a different thread using a thread pool.

Field Summary

Fields

Modifier and Type	Field and Description
static ChannelFutureListener	CLOSE A ChannelFutureListener that closes the Channel which is associated with the specified ChannelFuture.
static ChannelFutureListener	CLOSE_ON_FAILURE A ChannelFutureListener that closes the Channel when the operation ended up with a failure or cancellation rather than a success.

Method Summary

Methods

Modifier and Type	Method and Description
void	operationComplete(ChannelFuture future) Invoked when the I/O operation associated with the ChannelFuture has been completed.

Field Detail

CLOSE

static final ChannelFutureListener CLOSE

A ChannelFutureListener that closes the Channel which is associated with the specified ChannelFuture.

CLOSE_ON_FAILURE

static final ChannelFutureListener CLOSE_ON_FAILURE

A ChannelFutureListener that closes the Channel when the operation ended up with a failure or cancellation rather than a success.

Method Detail

operationComplete

void operationComplete(ChannelFuture future)
                       throws Exception

Invoked when the I/O operation associated with the ChannelFuture has been completed.

Parameters:

future - the source ChannelFuture which called this callback

Throws:

Exception