Package org.apache.dubbo.remoting.api.connection

Class AbstractConnectionClient

java.lang.Object

org.apache.dubbo.remoting.transport.AbstractPeer

org.apache.dubbo.remoting.transport.AbstractEndpoint

org.apache.dubbo.remoting.transport.AbstractClient

org.apache.dubbo.remoting.api.connection.AbstractConnectionClient

All Implemented Interfaces:

Resetable, Channel, ChannelHandler, Client, Endpoint, IdleSensible

public abstract class AbstractConnectionClient
extends AbstractClient

Method Summary

Modifier and Type	Method	Description
abstract void	addCloseListener(Runnable func)	add the listener of close connection event.
abstract void	createConnectingPromise()	create connecting promise.
abstract void	destroy()	This method will be invoked when counter reaches 0, override this method to destroy materials related to the specific resource.
abstract Object	getChannel(Boolean generalizable)	if generalizable, return NIOChannel else return Dubbo Channel
long	getCounter()	Get counter
final void	increase()
abstract boolean	isAvailable()	connection is available.
abstract void	onConnected(Object channel)	when connected, callback.
abstract void	onGoaway(Object channel)	when goaway, callback.
final boolean	release()	Decreases the reference count by 1 and calls invalid @link {@link this#destroy } if the reference count reaches 0.
final AbstractConnectionClient	retain()	Increments the reference count by 1.

Methods inherited from class org.apache.dubbo.remoting.transport.AbstractClient

close, close, disconnect, getAttribute, getConnectAddress, getLocalAddress, getRemoteAddress, hasAttribute, isConnected, reconnect, removeAttribute, send, setAttribute, toString

Methods inherited from class org.apache.dubbo.remoting.transport.AbstractEndpoint

reset, reset

Methods inherited from class org.apache.dubbo.remoting.transport.AbstractPeer

caught, connected, disconnected, getChannelHandler, getDelegateHandler, getHandler, getUrl, isClosed, isClosing, received, send, sent, startClose

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.dubbo.remoting.Client

reset

Methods inherited from interface org.apache.dubbo.remoting.Endpoint

getChannelHandler, getUrl, isClosed, send, startClose

Methods inherited from interface org.apache.dubbo.remoting.IdleSensible

canHandleIdle

Methods inherited from interface org.apache.dubbo.common.Resetable

reset

Method Details

increase

public final void increase()

retain

public final AbstractConnectionClient retain()

Increments the reference count by 1.

release

public final boolean release()

Decreases the reference count by 1 and calls

invalid @link

{@link this#destroy

} if the reference count reaches 0.

isAvailable

public abstract boolean isAvailable()

connection is available.

Returns:

boolean

createConnectingPromise

public abstract void createConnectingPromise()

create connecting promise.

addCloseListener

public abstract void addCloseListener(Runnable func)

add the listener of close connection event.

Parameters:

func - execute function

onConnected

public abstract void onConnected(Object channel)

when connected, callback.

Parameters:

channel - Channel

onGoaway

public abstract void onGoaway(Object channel)

when goaway, callback.

Parameters:

channel - Channel

destroy

public abstract void destroy()

This method will be invoked when counter reaches 0, override this method to destroy materials related to the specific resource.

getChannel

public abstract Object getChannel(Boolean generalizable)

if generalizable, return NIOChannel else return Dubbo Channel

Parameters:

generalizable - generalizable

Returns:

Dubbo Channel or NIOChannel such as NettyChannel

getCounter

public long getCounter()

Get counter