org.ws4d.java.service.listener

Interface ServiceListener

All Known Implementing Classes:

DefaultClient

public interface ServiceListener

Callback interface for listeners interested in state changes of services. Global service listening is initiated by registration via ServiceReferenceEventRegistry.registerServiceListening(ServiceListener) , the method ServiceReferenceEventRegistry.unregisterServiceListening(ServiceListener) removes service listening.

Method Summary

Modifier and Type	Method and Description
void	serviceChanged(ServiceReference serviceRef, Service service) Callback method, if service within the ServiceReference has been changed.
void	serviceCreated(ServiceReference serviceRef, Service service) Callback method, if the service within the ServiceReference was created.
void	serviceDisposed(ServiceReference serviceRef) Callback method, if the service within the ServiceReference was disposed for one of the following reasons:

Method Detail

serviceChanged

void serviceChanged(ServiceReference serviceRef,
                    Service service)

Callback method, if service within the ServiceReference has been changed.

Parameters:

serviceRef - a reference to the service that caused the notification

service - the service that has just been created

serviceCreated

void serviceCreated(ServiceReference serviceRef,
                    Service service)

Callback method, if the service within the ServiceReference was created.

Parameters:

serviceRef - a reference to the service that caused the notification qpram service the service that just have changed

serviceDisposed

void serviceDisposed(ServiceReference serviceRef)

Callback method, if the service within the ServiceReference was disposed for one of the following reasons:

• a local device was shut down.
• the service refered by the given ServiceReference was removed or replaced by a new service

Important: A device shutdown does not generally imply that all services of the device are also shutdown.
Therefore a bye received by from a device does not trigger this method.

Parameters:

serviceRef - a reference to the service that caused the notification