com.lambdaworks.redis.protocol

Class CommandHandler<K,V>

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.channel.ChannelDuplexHandler

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

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler, io.netty.channel.ChannelOutboundHandler

Direct Known Subclasses:

PubSubCommandHandler

@ChannelHandler.Sharable
public class CommandHandler<K,V>
extends io.netty.channel.ChannelDuplexHandler

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 io.netty.channel.ChannelHandler

io.netty.channel.ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field and Description
protected io.netty.buffer.ByteBuf	buffer
protected BlockingQueue<Command<K,V,?>>	queue
protected RedisStateMachine<K,V>	rsm

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
void	channelRead(io.netty.channel.ChannelHandlerContext ctx, Object msg)
void	channelRegistered(io.netty.channel.ChannelHandlerContext ctx)
void	channelUnregistered(io.netty.channel.ChannelHandlerContext ctx)
protected void	decode(io.netty.channel.ChannelHandlerContext ctx, io.netty.buffer.ByteBuf buffer)
void	write(io.netty.channel.ChannelHandlerContext ctx, Object msg, io.netty.channel.ChannelPromise promise)

Methods inherited from class io.netty.channel.ChannelDuplexHandler

bind, close, connect, deregister, disconnect, flush, read

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelReadComplete, channelWritabilityChanged, exceptionCaught, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

handlerAdded, handlerRemoved, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty.channel.ChannelHandler

exceptionCaught, handlerAdded, handlerRemoved

Field Detail

queue

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

buffer

protected io.netty.buffer.ByteBuf 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

channelRegistered

public void channelRegistered(io.netty.channel.ChannelHandlerContext ctx)
                       throws Exception

Specified by:

channelRegistered in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelRegistered in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception

channelUnregistered

public void channelUnregistered(io.netty.channel.ChannelHandlerContext ctx)
                         throws Exception

Specified by:

channelUnregistered in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelUnregistered in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception

channelRead

public void channelRead(io.netty.channel.ChannelHandlerContext ctx,
               Object msg)
                 throws Exception

Specified by:

channelRead in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelRead in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception

write

public void write(io.netty.channel.ChannelHandlerContext ctx,
         Object msg,
         io.netty.channel.ChannelPromise promise)
           throws Exception

Specified by:

write in interface io.netty.channel.ChannelOutboundHandler

Overrides:

write in class io.netty.channel.ChannelDuplexHandler

Throws:

Exception

decode

protected void decode(io.netty.channel.ChannelHandlerContext ctx,
          io.netty.buffer.ByteBuf buffer)
               throws InterruptedException

Throws:

InterruptedException