An optional interface that may be provided by service provider objects that will be registered with a ServiceRegistry. If this interface is present, notification of registration and deregistration will be performed.
@version
0.5
See Also
ServiceRegistry
Called when an object implementing this interface is removed from the given category of the given registry. The object may still be registered under another category or categories.
Parameters
registrya ServiceRegistry from which this object is being (wholly or partially) deregistered.
categorya Class object indicating the registry category from which this object is being deregistered.
Called when an object implementing this interface is added to the given category of the given registry. The object may already be registered under another category or categories.
Parameters
registrya ServiceRegistry where this object has been registered.
categorya Class object indicating the registry category under which this object has been registered.