org.jboss.xnio
Class DelegatingIoHandler<T extends java.nio.channels.Channel>

java.lang.Object
  org.jboss.xnio.DelegatingIoHandler<T>

All Implemented Interfaces:

IoHandler<T>, IoReadHandler<T>, IoWriteHandler<T>

public abstract class DelegatingIoHandler<T extends java.nio.channels.Channel>
extends java.lang.Object
implements IoHandler<T>

A base delegating I/O handler. Implementors may separately set read and write handlers. Ideal for state pattern handlers for example.

Since:

1.2

Constructor Summary

DelegatingIoHandler()

Method Summary

protected IoReadHandler<T>	getReadHandler() Get the read handler.
protected IoWriteHandler<T>	getWriteHandler() Get the write handler.
void	handleReadable(T channel) Handles a readable notification by delegating it to the set read handler, if there is one; otherwise the notification is ignored.
void	handleWritable(T channel) Handles a writable notification by delegating it to the set write handler, if there is one; otherwise the notification is ignored.
protected void	setReadHandler(IoReadHandler<T> readHandler) Set the read handler.
protected void	setWriteHandler(IoWriteHandler<T> writeHandler) Set the write handler.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jboss.xnio.IoHandler

handleClosed, handleOpened

Constructor Detail

DelegatingIoHandler

public DelegatingIoHandler()

Method Detail

handleReadable

public final void handleReadable(T channel)

Handles a readable notification by delegating it to the set read handler, if there is one; otherwise the notification is ignored.

Specified by:

handleReadable in interface IoReadHandler<T extends java.nio.channels.Channel>

Parameters:

channel - the channel that is readable

handleWritable

public final void handleWritable(T channel)

Handles a writable notification by delegating it to the set write handler, if there is one; otherwise the notification is ignored.

Specified by:

handleWritable in interface IoWriteHandler<T extends java.nio.channels.Channel>

Parameters:

channel - the channel that is writable

getReadHandler

protected IoReadHandler<T> getReadHandler()

Get the read handler.

Returns:

the read handler

setReadHandler

protected void setReadHandler(IoReadHandler<T> readHandler)

Set the read handler.

Parameters:

readHandler - the new read handler

getWriteHandler

protected IoWriteHandler<T> getWriteHandler()

Get the write handler.

Returns:

the write handler

setWriteHandler

protected void setWriteHandler(IoWriteHandler<T> writeHandler)

Set the write handler.

Parameters:

writeHandler - the new write handler