Package io.netty.handler.codec.redis

Class RedisDecoder

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.handler.codec.ByteToMessageDecoder

io.netty.handler.codec.redis.RedisDecoder

All Implemented Interfaces:

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

@UnstableApi
public final class RedisDecoder
extends io.netty.handler.codec.ByteToMessageDecoder

Decodes the Redis protocol into RedisMessage objects following RESP (REdis Serialization Protocol). RedisMessage parts can be aggregated to RedisMessage using RedisArrayAggregator or processed directly.

Nested Class Summary

Nested classes/interfaces inherited from class io.netty.handler.codec.ByteToMessageDecoder

io.netty.handler.codec.ByteToMessageDecoder.Cumulator

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

io.netty.channel.ChannelHandler.Sharable

Field Summary

Fields inherited from class io.netty.handler.codec.ByteToMessageDecoder

COMPOSITE_CUMULATOR, MERGE_CUMULATOR

Constructor Summary

Constructors

Constructor	Description
RedisDecoder()	Creates a new instance with default maxInlineMessageLength and messagePool and inline command decoding disabled.
RedisDecoder(boolean decodeInlineCommands)	Creates a new instance with default maxInlineMessageLength and messagePool.
RedisDecoder(int maxInlineMessageLength, RedisMessagePool messagePool)	Creates a new instance with inline command decoding disabled.
RedisDecoder(int maxInlineMessageLength, RedisMessagePool messagePool, boolean decodeInlineCommands)	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
protected void	decode(io.netty.channel.ChannelHandlerContext ctx, io.netty.buffer.ByteBuf in, List<Object> out)

Methods inherited from class io.netty.handler.codec.ByteToMessageDecoder

actualReadableBytes, callDecode, channelInactive, channelRead, channelReadComplete, decodeLast, discardSomeReadBytes, handlerRemoved, handlerRemoved0, internalBuffer, isSingleDecode, setCumulator, setDiscardAfterReads, setSingleDecode, userEventTriggered

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, handlerAdded, 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

Constructor Detail

RedisDecoder

public RedisDecoder()

Creates a new instance with default maxInlineMessageLength and messagePool and inline command decoding disabled.

RedisDecoder

public RedisDecoder(boolean decodeInlineCommands)

Creates a new instance with default maxInlineMessageLength and messagePool.

Parameters:

decodeInlineCommands - if true, inline commands will be decoded.

RedisDecoder

public RedisDecoder(int maxInlineMessageLength,
                    RedisMessagePool messagePool)

Creates a new instance with inline command decoding disabled.

Parameters:

maxInlineMessageLength - the maximum length of inline message.

messagePool - the predefined message pool.

RedisDecoder

public RedisDecoder(int maxInlineMessageLength,
                    RedisMessagePool messagePool,
                    boolean decodeInlineCommands)

Creates a new instance.

Parameters:

maxInlineMessageLength - the maximum length of inline message.

messagePool - the predefined message pool.

decodeInlineCommands - if true, inline commands will be decoded.

Method Detail

decode

protected void decode(io.netty.channel.ChannelHandlerContext ctx,
                      io.netty.buffer.ByteBuf in,
                      List<Object> out)
               throws Exception

Specified by:

decode in class io.netty.handler.codec.ByteToMessageDecoder

Throws:

Exception