org.apache.flink.runtime.io.network.netty

Class OutboundConnectionQueue

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

org.apache.flink.runtime.io.network.netty.OutboundConnectionQueue

All Implemented Interfaces:

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

public class OutboundConnectionQueue
extends io.netty.channel.ChannelInboundHandlerAdapter

Nested Class Summary

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

io.netty.channel.ChannelHandler.Sharable

Constructor Summary

Constructors

Constructor and Description
OutboundConnectionQueue(io.netty.channel.Channel channel, RemoteReceiver receiver, NetworkConnectionManager connectionManager, int closeAfterIdleForMs)

Method Summary

Methods

Modifier and Type	Method and Description
void	channelWritabilityChanged(io.netty.channel.ChannelHandlerContext ctx)
boolean	enqueue(Envelope env) Enqueues an envelope to be sent.
int	getNumQueuedEnvelopes()
String	toString()
void	userEventTriggered(io.netty.channel.ChannelHandlerContext ctx, Object event)

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelRead, channelReadComplete, channelRegistered, channelUnregistered, exceptionCaught

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, wait, wait, wait

Methods inherited from interface io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

Constructor Detail

OutboundConnectionQueue

public OutboundConnectionQueue(io.netty.channel.Channel channel,
                       RemoteReceiver receiver,
                       NetworkConnectionManager connectionManager,
                       int closeAfterIdleForMs)

Method Detail

enqueue

public boolean enqueue(Envelope env)

Enqueues an envelope to be sent.

This method is always invoked by the task thread that wants the envelope sent.

If this method returns false, the channel cannot be used to enqueue envelopes any more and the caller needs to establish a new connection to the target. The current envelope needs to be enqueued at the new channel.

Parameters:

env - the envelope to be sent

Returns:

true, if successfully enqueued or false, if the channel was requested to be closed

userEventTriggered

public void userEventTriggered(io.netty.channel.ChannelHandlerContext ctx,
                      Object event)
                        throws Exception

Specified by:

userEventTriggered in interface io.netty.channel.ChannelInboundHandler

Overrides:

userEventTriggered in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception

channelWritabilityChanged

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

Specified by:

channelWritabilityChanged in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelWritabilityChanged in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception

getNumQueuedEnvelopes

public int getNumQueuedEnvelopes()

toString

public String toString()

Overrides:

toString in class Object