public interface ActivationMonitor extends Remote
ActivationMonitoris specific to an
ActivationGroupand is obtained when a group is reported active via a call to
ActivationSystem.activeGroup(this is done internally). An activation group is responsible for informing its
ActivationMonitorwhen either: its objects become active or inactive, or the group as a whole becomes inactive.
|Modifier and Type||Method and Description|
Informs that an object is now active.
Informs that the group is now inactive.
An activation group calls its monitor's
void inactiveObject(ActivationID id) throws UnknownObjectException, RemoteException
inactiveObjectmethod when an object in its group becomes inactive (deactivates). An activation group discovers that an object (that it participated in activating) in its VM is no longer active, via calls to the activation group's
inactiveObject call informs the
ActivationMonitor that the remote object reference
it holds for the object with the activation identifier,
id, is no longer valid. The monitor considers the
reference associated with
id as a stale reference.
Since the reference is considered stale, a subsequent
activate call for the same activation identifier
results in re-activating the remote object.
void activeObject(ActivationID id, MarshalledObject<? extends Remote> obj) throws UnknownObjectException, RemoteException
ActivationGroupinforms its monitor if an object in its group becomes active by other means than being activated directly (i.e., the object is registered and "activated" itself).
void inactiveGroup(ActivationGroupID id, long incarnation) throws UnknownGroupException, RemoteException