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Oracle® Fusion Middleware Java API Reference for Oracle Coherence 12c (12.1.3.0.0) E47890-01 |
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java.lang.Object
com.tangosol.net.cache.ContinuousQueryCache.ServiceListener
protected class ContinuousQueryCache.ServiceListener
MemberListener for the underlying cache's service.
The primary goal of that listener is invalidation of the ContinuousQueryCache in case of the corresponding CacheService [automatic] restart.
Constructor Summary | |
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protected |
ContinuousQueryCache.ServiceListener() |
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. |
java.lang.String |
toString() Produce a human-readable description of this object. |
Constructor Detail |
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protected ContinuousQueryCache.ServiceListener()
Method Detail |
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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 eventpublic java.lang.String toString()
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Oracle® Fusion Middleware Java API Reference for Oracle Coherence 12c (12.1.3.0.0) E47890-01 |
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