com.lambdaworks.redis.pubsub

Class PubSubCommandHandler<K,V>

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.channel.ChannelDuplexHandler

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

com.lambdaworks.redis.pubsub.PubSubCommandHandler<K,V>

Type Parameters:

K - Key type.

V - Value type.

All Implemented Interfaces:

RedisChannelWriter<K,V>, ChannelHandler, ChannelInboundHandler, ChannelOutboundHandler, Closeable, AutoCloseable

public class PubSubCommandHandler<K,V>
extends CommandHandler<K,V>

A netty ChannelHandler responsible for writing redis pub/sub commands and reading the response stream from the server.

Author:

Will Glozer, Mark Paluch

Nested Class Summary

Nested classes/interfaces inherited from class com.lambdaworks.redis.protocol.CommandHandler

CommandHandler.LifecycleState

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

ChannelHandler.Sharable

Field Summary

Fields inherited from class com.lambdaworks.redis.protocol.CommandHandler

buffer, channel, clientOptions, clientResources, commandBuffer, commandHandlerId, disconnectedBuffer, rsm, stack, stateLock, writers

Constructor Summary

Constructors

Constructor and Description
PubSubCommandHandler(ClientOptions clientOptions, ClientResources clientResources, RedisCodec<K,V> codec) Initialize a new instance.

Method Summary

Modifier and Type	Method and Description
protected void	afterComplete(ChannelHandlerContext ctx, RedisCommand<K,V,?> command) Hook method called after command completion.
protected boolean	canDecode(ByteBuf buffer)
protected void	decode(ChannelHandlerContext ctx, ByteBuf buffer)

Methods inherited from class com.lambdaworks.redis.protocol.CommandHandler

channelActive, channelInactive, channelRead, channelRegistered, channelUnregistered, close, decrementWriters, drainCommands, drainCommands, exceptionCaught, flushCommands, getState, incrementWriters, initialState, isClosed, lockWritersExclusive, logPrefix, prepareReset, reset, setAutoFlushCommands, setRedisChannelHandler, setState, unlockWritersExclusive, userEventTriggered, write, write, writeToDisconnectedBuffer

Methods inherited from class io.netty.channel.ChannelDuplexHandler

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

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelReadComplete, channelWritabilityChanged

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, 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

handlerAdded, handlerRemoved

Constructor Detail

PubSubCommandHandler

public PubSubCommandHandler(ClientOptions clientOptions,
                            ClientResources clientResources,
                            RedisCodec<K,V> codec)

Initialize a new instance.

Parameters:

clientOptions - client options for the connection

clientResources - client resources for this connection

codec - Codec.

Method Detail

decode

protected void decode(ChannelHandlerContext ctx,
                      ByteBuf buffer)

Overrides:

decode in class CommandHandler<K,V>

canDecode

protected boolean canDecode(ByteBuf buffer)

Overrides:

canDecode in class CommandHandler<K,V>

afterComplete

protected void afterComplete(ChannelHandlerContext ctx,
                             RedisCommand<K,V,?> command)

Description copied from class: CommandHandler

Hook method called after command completion.

Overrides:

afterComplete in class CommandHandler<K,V>