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public interface ApplicationServiceListener
An ApplicationServiceEvent
listener. When a ServiceEvent
is
fired, it is converted to an ApplictionServiceEvent
and it is
synchronously delivered to an ApplicationServiceListener
.
ApplicationServiceListener
is a listener interface that may be
implemented by an application developer.
An ApplicationServiceListener
object is registered with the Framework
using the ApplicationContext.addServiceListener
method.
ApplicationServiceListener
objects are called with an
ApplicationServiceEvent
object when a service is registered,
modified, or is in the process of unregistering.
ApplicationServiceEvent
object delivery to
ApplicationServiceListener
objects is filtered by the filter
specified when the listener was registered. If the Java Runtime Environment
supports permissions, then additional filtering is done.
ApplicationServiceEvent
objects are only delivered to the listener if
the application which defines the listener object's class has the appropriate
ServicePermission
to get the service using at least one of the named
classes the service was registered under, and the application specified its
dependence on the corresponding service in the application metadata.
ApplicationServiceEvent
object delivery to
ApplicationServiceListener
objects is further filtered according to
package sources as defined in
ServiceReference.isAssignableTo(Bundle, String)
.
ApplicationServiceEvent
,
ServicePermission
Method Summary | |
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void |
serviceChanged(ApplicationServiceEvent event)
Receives notification that a service has had a lifecycle change. |
Method Detail |
---|
void serviceChanged(ApplicationServiceEvent event)
event
- The ApplicationServiceEvent
object.
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