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CoherenceTM v3.3 Copyright© 2000-2007 by Oracle Corporation |
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java.lang.Objectcom.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 ContinousQueryCache in case of the corresponding CacheService [automatic] restart.
Constructor Summary | |
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protected |
ContinuousQueryCache.ServiceListener()
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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. |
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 a client 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
public void memberLeaving(MemberEvent evt)
memberLeaving
in interface MemberListener
public 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
public String toString()
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CoherenceTM v3.3 Copyright© 2000-2007 by Oracle Corporation |
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