org.apache.tamaya.events.spi

Interface ConfigEventSpi

All Known Implementing Classes:

DefaultConfigEventSpi

public interface ConfigEventSpi

SPI interface to implement the ConfigEvent singleton. Implementations of this interface must be registered with the current ServiceContext, by default this equals to registering it with ServiceLoader. Add Priority annotations for overriding (higher values overriden lower values).

Method Summary

Modifier and Type	Method and Description
<T> void	addListener(ConfigEventListener<T> l) Add a listener for observing events.
<T> void	fireEvent(T event, Class<T> eventType) Publishes an event to all interested listeners.
<T> void	removeListener(ConfigEventListener<T> l) Removes a listener for observing events.

Method Detail

addListener

<T> void addListener(ConfigEventListener<T> l)

Add a listener for observing events. References of this component to the listeners must be managed as weak references.

Parameters:

l - the listener not null.

removeListener

<T> void removeListener(ConfigEventListener<T> l)

Removes a listener for observing events.

Parameters:

l - the listener not null.

fireEvent

<T> void fireEvent(T event,
                   Class<T> eventType)

Publishes an event to all interested listeners.

Parameters:

event - the event, not null.

eventType - the event type.