net.sf.doolin.bus
Interface BusLog

All Known Implementing Classes:

AbstractTextBusLog, BusMonitoringLog, DefaultBusLog, SubscriptionCountBusLog, SysErrBusLog, SysOutBusLog

public interface BusLog

Defines an interface for logging events that occur in a Bus.

Author:

Damien Coraboeuf

Method Summary

<M> void	messageAccepted(M message, Subscriber<M> subscriber) This method is called when a message is about to be handled by a subscriber.
void	messageNoSubscription(Object message) This method is called when no subscription was found to handle the message
void	messageReceived(Object message) This method is called when a message is received by the bus.
<M> void	messageWithError(M message, Subscriber<M> subscriber, Exception ex) This method is called when the processing of a message by a subscriber has resulted in an error.
void	registrationOk(Subscriber<?> subscriber) This method is called when a subscriber is successfully registered.
void	unregistration(Subscriber<?> subscriber) This method is called when a subscriber is unregistered.

Method Detail

registrationOk

void registrationOk(Subscriber<?> subscriber)

This method is called when a subscriber is successfully registered.

Parameters:

subscriber - Registered subscriber.

unregistration

void unregistration(Subscriber<?> subscriber)

This method is called when a subscriber is unregistered.

Parameters:

subscriber - Unregistered subscriber.

messageReceived

void messageReceived(Object message)

This method is called when a message is received by the bus.

Parameters:

message - Received message

messageNoSubscription

void messageNoSubscription(Object message)

This method is called when no subscription was found to handle the message

Parameters:

message - Received message

messageAccepted

<M> void messageAccepted(M message,
                         Subscriber<M> subscriber)

This method is called when a message is about to be handled by a subscriber.

Type Parameters:

M - Type of the message

Parameters:

message - Received message

subscriber - Subscriber about to handle the message

messageWithError

<M> void messageWithError(M message,
                          Subscriber<M> subscriber,
                          Exception ex)

This method is called when the processing of a message by a subscriber has resulted in an error.

Type Parameters:

M - Type of the message

Parameters:

message - Received message

subscriber - Subscriber which handled the message

ex - Resulting error