Package de.quantummaid.eventmaid.messageBus.channelCreating

Interface MessageBusChannelFactory

All Known Implementing Classes:

SynchronousMessageBusChannelFactory

public interface MessageBusChannelFactory

Whenever a new class specific Channel is required by the MessageBus, the MessageBusChannelFactory is called to create a new Channel.

See Also:

EventMaid Documentation

Method Summary

Modifier and Type	Method	Description
Channel<Object>	createChannel(EventType eventType, Subscriber<?> subscriber, MessageBusExceptionHandler messageBusExceptionHandler)	This method is being called, when a new Channel is requested.

Method Detail

createChannel

Channel<Object> createChannel(EventType eventType,
                              Subscriber<?> subscriber,
                              MessageBusExceptionHandler messageBusExceptionHandler)

This method is being called, when a new Channel is requested. Can happen in two cases. First a subscriber is added for a not yet known EventType. Second, a message with an unknown EventType was sent. Then a new Channel is created, that will delivery further messages of the EventType.

Parameters:

eventType - the EventType for which the Channel should be created.

subscriber - if the request is done for a new Subscriber, it is given here. null otherwise

messageBusExceptionHandler - the MessageBusExceptionHandler configured on the MessageBus

Returns:

the newly created Channel