public class ServiceEvent
extends java.util.EventObject
ServiceEvent
objects are delivered to
ServiceListener
s and AllServiceListener
s when a
change occurs in this service's lifecycle. A type code is used to identify
the event type for future extendability.
OSGi Alliance reserves the right to extend the set of types.
ServiceListener
,
AllServiceListener
,
Serialized FormModifier and Type | Field and Description |
---|---|
static int |
MODIFIED
The properties of a registered service have been modified.
|
static int |
MODIFIED_ENDMATCH
The properties of a registered service have been modified and the new
properties no longer match the listener's filter.
|
static int |
REGISTERED
This service has been registered.
|
static int |
UNREGISTERING
This service is in the process of being unregistered.
|
Constructor and Description |
---|
ServiceEvent(int type,
ServiceReference<?> reference)
Creates a new service event object.
|
Modifier and Type | Method and Description |
---|---|
ServiceReference<?> |
getServiceReference()
Returns a reference to the service that had a change occur in its
lifecycle.
|
int |
getType()
Returns the type of event.
|
public static final int REGISTERED
This event is synchronously delivered after the service has been registered with the Framework.
public static final int MODIFIED
This event is synchronously delivered after the service properties have been modified.
public static final int UNREGISTERING
This event is synchronously delivered before the service has completed unregistering.
If a bundle is using a service that is UNREGISTERING
, the
bundle should release its use of the service when it receives this event.
If the bundle does not release its use of the service when it receives
this event, the Framework will automatically release the bundle's use of
the service while completing the service unregistration operation.
public static final int MODIFIED_ENDMATCH
This event is synchronously delivered after the service
properties have been modified. This event is only delivered to listeners
which were added with a non-null
filter where the filter
matched the service properties prior to the modification but the filter
does not match the modified service properties.
public ServiceEvent(int type, ServiceReference<?> reference)
type
- The event type.reference
- A ServiceReference
object to the service
that had a lifecycle change.public ServiceReference<?> getServiceReference()
This reference is the source of the event.
public int getType()
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