com.lambdaworks.redis.protocol

Class ConnectionWatchdog

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

com.lambdaworks.redis.protocol.ConnectionWatchdog

All Implemented Interfaces:

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

@ChannelHandler.Sharable
public class ConnectionWatchdog
extends io.netty.channel.ChannelInboundHandlerAdapter

A netty ChannelHandler responsible for monitoring the channel and reconnecting when the connection is lost.

Author:

Will Glozer

Nested Class Summary

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

io.netty.channel.ChannelHandler.Sharable

Constructor Summary

Constructors

Constructor and Description
ConnectionWatchdog(io.netty.bootstrap.Bootstrap bootstrap, io.netty.channel.group.ChannelGroup channels) Create a new watchdog that adds to new connections to the supplied ChannelGroup and establishes a new Channel when disconnected, while reconnect is true.

Method Summary

Methods

Modifier and Type	Method and Description
void	channelActive(io.netty.channel.ChannelHandlerContext ctx)
void	channelInactive(io.netty.channel.ChannelHandlerContext ctx)
void	exceptionCaught(io.netty.channel.ChannelHandlerContext ctx, Throwable cause)
void	setReconnect(boolean reconnect)

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelRead, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, 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

handlerAdded, handlerRemoved

Constructor Detail

ConnectionWatchdog

public ConnectionWatchdog(io.netty.bootstrap.Bootstrap bootstrap,
                  io.netty.channel.group.ChannelGroup channels)

Create a new watchdog that adds to new connections to the supplied ChannelGroup and establishes a new Channel when disconnected, while reconnect is true.

Parameters:

bootstrap - Configuration for new channels.

Method Detail

setReconnect

public void setReconnect(boolean reconnect)

channelActive

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

Specified by:

channelActive in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelActive in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception

channelInactive

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

Specified by:

channelInactive in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelInactive in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception

exceptionCaught

public void exceptionCaught(io.netty.channel.ChannelHandlerContext ctx,
                   Throwable cause)
                     throws Exception

Specified by:

exceptionCaught in interface io.netty.channel.ChannelHandler

Specified by:

exceptionCaught in interface io.netty.channel.ChannelInboundHandler

Overrides:

exceptionCaught in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception