Package com.linkedin.alpini.netty4.handlers

Class BackgroundChannelHandler

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

com.linkedin.alpini.netty4.handlers.ChannelInitializer<io.netty.channel.Channel>

com.linkedin.alpini.netty4.handlers.BackgroundChannelHandler

All Implemented Interfaces:

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

@Sharable
public class BackgroundChannelHandler
extends ChannelInitializer<io.netty.channel.Channel>

Created by acurtis on 5/4/17.

Nested Class Summary

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

io.netty.channel.ChannelHandler.Sharable

Constructor Summary

Constructors

Constructor	Description
BackgroundChannelHandler(io.netty.channel.ChannelHandler... channelHandler)
BackgroundChannelHandler(Supplier<io.netty.channel.ChannelHandler[]> channelHandlerSupplier)

Method Summary

Modifier and Type	Method	Description
protected void	initChannel(io.netty.channel.Channel ch)	This method will be called once the Channel was registered.

Methods inherited from class com.linkedin.alpini.netty4.handlers.ChannelInitializer

channelRegistered, currentContext, exceptionCaught, handlerAdded, handlerRemoved

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelRead, channelReadComplete, channelUnregistered, channelWritabilityChanged, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, isSharable

Methods inherited from class java.lang.Object

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

Constructor Details

BackgroundChannelHandler

public BackgroundChannelHandler(io.netty.channel.ChannelHandler... channelHandler)

BackgroundChannelHandler

public BackgroundChannelHandler(@Nonnull
 Supplier<io.netty.channel.ChannelHandler[]> channelHandlerSupplier)

Method Details

initChannel

protected void initChannel(io.netty.channel.Channel ch)
                    throws Exception

Description copied from class: ChannelInitializer

This method will be called once the Channel was registered. After the method returns this instance will be removed from the ChannelPipeline of the Channel.

Specified by:

initChannel in class ChannelInitializer<io.netty.channel.Channel>

Parameters:

ch - the Channel which was registered.

Throws:

Exception - is thrown if an error occurs. In that case it will be handled by ChannelInitializer.exceptionCaught(ChannelHandlerContext, Throwable) which will by default close the Channel.