SegmentedConcurrentMap.ContentionObserver (Oracle\u00AE Coherence Java API Reference)

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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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com.tangosol.util
Interface SegmentedConcurrentMap.ContentionObserver

public static interface SegmentedConcurrentMap.ContentionObserver

ContentionObserver is used to observe the contention lock-related actions performed on the concurrent map.

Method Summary
`void`	`onContend(java.lang.Object oContender, SegmentedConcurrentMap.LockableEntry entry)` Called when the specified lock holder begins contending for the specified LockableEntry.
`void`	`onUncontend(java.lang.Object oContender, SegmentedConcurrentMap.LockableEntry entry)` Called when the specified lock holder stops contending for the specified LockableEntry.

Method Detail

void onContend(java.lang.Object oContender,
               SegmentedConcurrentMap.LockableEntry entry)

Called when the specified lock holder begins contending for the specified LockableEntry.

Parameters:: oContender - the contending lock holder; entry - the entry being contended for

void onUncontend(java.lang.Object oContender,
                 SegmentedConcurrentMap.LockableEntry entry)

Called when the specified lock holder stops contending for the specified LockableEntry.

Parameters:: oContender - the previously contending lock holder; entry - the entry no longer being contended for