Package org.jboss.netty.example.objectecho

Class ObjectEchoClientHandler

java.lang.Object

org.jboss.netty.channel.SimpleChannelUpstreamHandler

org.jboss.netty.example.objectecho.ObjectEchoClientHandler

All Implemented Interfaces:

ChannelHandler, ChannelUpstreamHandler

public class ObjectEchoClientHandler
extends SimpleChannelUpstreamHandler

Handler implementation for the object echo client. It initiates the ping-pong traffic between the object echo client and server by sending the first message to the server.

Nested Class Summary

Nested classes/interfaces inherited from interface org.jboss.netty.channel.ChannelHandler

ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field	Description
private final List<Integer>	firstMessage
private final AtomicLong	transferredMessages

Constructor Summary

Constructors

Constructor	Description
ObjectEchoClientHandler(int firstMessageSize)	Creates a client-side handler.

Method Summary

Modifier and Type	Method	Description
void	channelConnected(ChannelHandlerContext ctx, ChannelStateEvent e)	Invoked when a Channel is open, bound to a local address, and connected to a remote address.
void	exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e)	Invoked when an exception was raised by an I/O thread or a ChannelHandler.
long	getTransferredMessages()
void	handleUpstream(ChannelHandlerContext ctx, ChannelEvent e)	Handles the specified upstream event.
void	messageReceived(ChannelHandlerContext ctx, MessageEvent e)	Invoked when a message object (e.g: ChannelBuffer) was received from a remote peer.

Methods inherited from class org.jboss.netty.channel.SimpleChannelUpstreamHandler

channelBound, channelClosed, channelDisconnected, channelInterestChanged, channelOpen, channelUnbound, childChannelClosed, childChannelOpen, writeComplete

Methods inherited from class java.lang.Object

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

Field Details

firstMessage

private final List<Integer> firstMessage

transferredMessages

private final AtomicLong transferredMessages

Constructor Details

ObjectEchoClientHandler

public ObjectEchoClientHandler(int firstMessageSize)

Creates a client-side handler.

Method Details

getTransferredMessages

public long getTransferredMessages()

handleUpstream

public void handleUpstream(ChannelHandlerContext ctx,
 ChannelEvent e)
                    throws Exception

Description copied from class: SimpleChannelUpstreamHandler

Handles the specified upstream event. Down-casts the received upstream event into more meaningful sub-type event and calls an appropriate handler method with the down-casted event.

Specified by:

handleUpstream in interface ChannelUpstreamHandler

Overrides:

handleUpstream in class SimpleChannelUpstreamHandler

Parameters:

ctx - the context object for this handler

e - the upstream event to process or intercept

Throws:

Exception

channelConnected

public void channelConnected(ChannelHandlerContext ctx,
 ChannelStateEvent e)

Description copied from class: SimpleChannelUpstreamHandler

Invoked when a Channel is open, bound to a local address, and connected to a remote address.
Be aware that this event is fired from within the I/O thread. You should never execute any heavy operation in there as it will block the dispatching to other workers!

Overrides:

channelConnected in class SimpleChannelUpstreamHandler

messageReceived

public void messageReceived(ChannelHandlerContext ctx,
 MessageEvent e)

Description copied from class: SimpleChannelUpstreamHandler

Invoked when a message object (e.g: ChannelBuffer) was received from a remote peer.

Overrides:

messageReceived in class SimpleChannelUpstreamHandler

exceptionCaught

public void exceptionCaught(ChannelHandlerContext ctx,
 ExceptionEvent e)

Description copied from class: SimpleChannelUpstreamHandler

Invoked when an exception was raised by an I/O thread or a ChannelHandler.

Overrides:

exceptionCaught in class SimpleChannelUpstreamHandler