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Oracle® Coherence Java API Reference Release 3.7.1.0 E22843-01 |
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public interface MemberListener
The listener interface for receiving MemberEvents.
Service
, MemberEvent
Method Summary | |
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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. |
Method Detail |
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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.
evt
- the MemberEvent.MEMBER_JOINED eventvoid memberLeaving(MemberEvent evt)
evt
- the MemberEvent.MEMBER_LEAVING eventvoid 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.
evt
- the MemberEvent.MEMBER_LEFT event
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Oracle® Coherence Java API Reference Release 3.7.1.0 E22843-01 |
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