protected class ConfigurableQuorumPolicy.MembershipQuorumPolicy.QuorumListener extends Object implements MemberListener, SynchronousListener
Modifier | Constructor and Description |
---|---|
protected |
QuorumListener() |
Modifier and Type | Method and Description |
---|---|
void |
memberJoined(MemberEvent evt)
Invoked when a Member has joined the service.
|
void |
memberLeaving(MemberEvent evt)
Invoked when a Member is leaving the service.
|
void |
memberLeft(MemberEvent evt)
Invoked when a Member has left the service.
|
public void memberJoined(MemberEvent evt)
Note: this event could be called during the service restart on the local node (evt.isLocal()
) in which case the listener's code should not attempt to use any clustered cache or service functionality.
The most critical situation arises when a number of threads are waiting for a local service restart, being blocked by a Service object synchronization monitor. Since the Joined event should be fired only once, it is called on an event dispatcher thread while holding a synchronization monitor. An attempt to use other clustered service functionality during this local event notification may result in a deadlock.
memberJoined
in interface MemberListener
evt
- the MemberEvent.MEMBER_JOINED eventpublic void memberLeaving(MemberEvent evt)
memberLeaving
in interface MemberListener
evt
- the MemberEvent.MEMBER_LEAVING eventpublic void memberLeft(MemberEvent evt)
Note: this event could be called during the service restart on the local node (evt.isLocal()
) in which case the listener's code should not attempt to use any clustered cache or service functionality.
memberLeft
in interface MemberListener
evt
- the MemberEvent.MEMBER_LEFT event