com.lambdaworks.redis.protocol
Class CommandHandler<K,V>

java.lang.Object
  org.jboss.netty.channel.SimpleChannelHandler
      com.lambdaworks.redis.protocol.CommandHandler<K,V>

All Implemented Interfaces:

ChannelDownstreamHandler, ChannelHandler, ChannelUpstreamHandler

Direct Known Subclasses:

PubSubCommandHandler

public class CommandHandler<K,V>
extends SimpleChannelHandler

A netty ChannelHandler responsible for writing redis commands and reading responses from the server.

Author:

Will Glozer

Nested Class Summary

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

ChannelHandler.Sharable

Field Summary

protected ChannelBuffer	buffer
protected BlockingQueue<Command<K,V,?>>	queue
protected RedisStateMachine<K,V>	rsm

Constructor Summary

CommandHandler(BlockingQueue<Command<K,V,?>> queue)
Initialize a new instance that handles commands from the supplied queue.

Method Summary

void	channelOpen(ChannelHandlerContext ctx, ChannelStateEvent e)
protected void	decode(ChannelHandlerContext ctx, ChannelBuffer buffer)
void	messageReceived(ChannelHandlerContext ctx, MessageEvent e)
void	writeRequested(ChannelHandlerContext ctx, MessageEvent e)

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

bindRequested, channelBound, channelClosed, channelConnected, channelDisconnected, channelInterestChanged, channelUnbound, childChannelClosed, childChannelOpen, closeRequested, connectRequested, disconnectRequested, exceptionCaught, handleDownstream, handleUpstream, setInterestOpsRequested, unbindRequested, writeComplete

Methods inherited from class java.lang.Object

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

Field Detail

queue

protected BlockingQueue<Command<K,V,?>> queue

buffer

protected ChannelBuffer buffer

rsm

protected RedisStateMachine<K,V> rsm

Constructor Detail

CommandHandler

public CommandHandler(BlockingQueue<Command<K,V,?>> queue)

Initialize a new instance that handles commands from the supplied queue.

Parameters:

queue - The command queue.

Method Detail

channelOpen

public void channelOpen(ChannelHandlerContext ctx,
                        ChannelStateEvent e)
                 throws Exception

Overrides:

channelOpen in class SimpleChannelHandler

Throws:

Exception

writeRequested

public void writeRequested(ChannelHandlerContext ctx,
                           MessageEvent e)
                    throws Exception

Overrides:

writeRequested in class SimpleChannelHandler

Throws:

Exception

messageReceived

public void messageReceived(ChannelHandlerContext ctx,
                            MessageEvent e)
                     throws Exception

Overrides:

messageReceived in class SimpleChannelHandler

Throws:

Exception

decode

protected void decode(ChannelHandlerContext ctx,
                      ChannelBuffer buffer)
               throws InterruptedException

Throws:

InterruptedException