Interface ExceptionHandler<E extends Throwable>

Type Parameters:

E - The exception type

public interface ExceptionHandler<E extends Throwable>

A handler interface that DemuxingIoHandler forwards exceptionCaught events to. You have to register your handler with the type of exception you want to get notified using DemuxingIoHandler.addExceptionHandler(Class, ExceptionHandler).

Field Summary

Fields

Modifier and Type	Field	Description
static final ExceptionHandler<Throwable>	CLOSE	A ExceptionHandler that closes the session immediately.
static final ExceptionHandler<Throwable>	NOOP	A ExceptionHandler that does nothing.

Method Summary

Modifier and Type	Method	Description
void	exceptionCaught(IoSession session, E cause)	Invoked when the specific type of exception is caught from the specified session.

Field Details

NOOP

static final ExceptionHandler<Throwable> NOOP

A ExceptionHandler that does nothing. This is useful when you want to ignore an exception of a specific type silently.

CLOSE

static final ExceptionHandler<Throwable> CLOSE

A ExceptionHandler that closes the session immediately. This is useful when you want to close the session when an exception of a specific type is raised.

Method Details

exceptionCaught

void exceptionCaught(IoSession session,
 E cause)
              throws Exception

Invoked when the specific type of exception is caught from the specified session.

Parameters:

session - The current session

cause - the exception's cause

Throws:

Exception - If we can't process the event