Module stincmale.server

Package stincmale.server.netty4

Class RequestMetadataDecoder<RQ>

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.handler.codec.MessageToMessageDecoder<RQ>

stincmale.server.netty4.RequestMetadataDecoder<RQ>

Type Parameters:

RQ - A type of the request this ChannelInboundHandlerAdapter expects.

All Implemented Interfaces:

ChannelHandler, ChannelInboundHandler

@Sharable
@ThreadSafe
public abstract class RequestMetadataDecoder<RQ>
extends MessageToMessageDecoder<RQ>

A MessageToMessageDecoder that wraps messages of type RQ into messages of type RequestWithMetadata<RQ>.

Nested Class Summary

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

ChannelHandler.Sharable

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RequestMetadataDecoder()

Method Summary

Modifier and Type	Method	Description
protected abstract Metadata	createMetadata(ChannelHandlerContext ctx, RQ request)	Is called from decode(ChannelHandlerContext, Object, List).
protected void	decode(ChannelHandlerContext ctx, RQ request, List<Object> out)

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

acceptInboundMessage, channelRead

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered

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 Details

RequestMetadataDecoder

protected RequestMetadataDecoder()

Method Details

decode

protected final void decode(ChannelHandlerContext ctx, RQ request, List<Object> out) throws Exception

Specified by:

decode in class MessageToMessageDecoder<RQ>

Parameters:

request - Note that ReferenceCountUtil.retain(java.lang.Object) is called for the msg. This method automatically calls retain on the request.

Throws:

Exception

createMetadata

protected abstract Metadata createMetadata(ChannelHandlerContext ctx, RQ request)

Is called from decode(ChannelHandlerContext, Object, List).