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Java Source Code / Java Documentation » Net » mina 2.0.0 M1 » org.apache.mina.common

Source Cross Reference Class Diagram Java Document (Java Doc)

org.apache.mina.common .IoHandler

All known Subclasses:   org.apache.mina.common .IoHandlerAdapter,  org.apache.mina.handler.multiton .SingleSessionIoHandlerDelegate,
IoHandler
public interface IoHandler (Code)
Handles all I/O events fired by MINA.
author:
   The Apache MINA Project (dev@mina.apache.org)
version:
   $Rev: 576217 $, $Date: 2007-09-16 17:55:27 -0600 (Sun, 16 Sep 2007) $
See Also:   IoHandlerAdapter

Method Summary
void exceptionCaught(IoSession session, Throwable cause)
     Invoked when any exception is thrown by user IoHandler implementation or by MINA.
void messageReceived(IoSession session, Object message)
     Invoked when a message is received.
void messageSent(IoSession session, Object message)
     Invoked when a message written by IoSession.write(Object) is sent out.
void sessionClosed(IoSession session)
     Invoked when a connection is closed.
void sessionCreated(IoSession session)
     Invoked from an I/O processor thread when a new connection has been created.
void sessionIdle(IoSession session, IdleStatus status)
     Invoked with the related IdleStatus when a connection becomes idle.
void sessionOpened(IoSession session)
     Invoked when a connection has been opened.

Method Detail
exceptionCaught
void exceptionCaught(IoSession session, Throwable cause) throws Exception(Code)
Invoked when any exception is thrown by user IoHandler implementation or by MINA. If cause is instanceof IOException , MINA will close the connection automatically.

messageReceived
void messageReceived(IoSession session, Object message) throws Exception(Code)
Invoked when a message is received.

messageSent
void messageSent(IoSession session, Object message) throws Exception(Code)
Invoked when a message written by IoSession.write(Object) is sent out.

sessionClosed
void sessionClosed(IoSession session) throws Exception(Code)
Invoked when a connection is closed.

sessionCreated
void sessionCreated(IoSession session) throws Exception(Code)
Invoked from an I/O processor thread when a new connection has been created. Because this method is supposed to be called from the same thread that handles I/O of multiple sessions, please implement this method to perform tasks that consumes minimal amount of time such as socket parameter and user-defined session attribute initialization.

sessionIdle
void sessionIdle(IoSession session, IdleStatus status) throws Exception(Code)
Invoked with the related IdleStatus when a connection becomes idle. This method is not invoked if the transport type is UDP; it's a known bug, and will be fixed in 2.0.

sessionOpened
void sessionOpened(IoSession session) throws Exception(Code)
Invoked when a connection has been opened. This method is invoked after IoHandler.sessionCreated(IoSession) . The biggest difference from IoHandler.sessionCreated(IoSession) is that it's invoked from other thread than an I/O processor thread once thread modesl is configured properly.

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