protected class SegmentedConcurrentMap.LockAction extends Object implements SegmentedHashMap.EntryAction
The context object for a LockAction is the prospective lock-holder.
The result of invoking a LockAction is NO_VALUE if the key is successfully locked, or the Entry object corresponding to the specified key if the key could not be successfully locked.
Modifier | Constructor and Description |
---|---|
protected |
LockAction() |
Modifier and Type | Method and Description |
---|---|
Object |
invokeFound(Object oKey, Object oContext, SegmentedHashMap.Entry[] aeBucket, int nBucket, SegmentedHashMap.Entry entryPrev, SegmentedHashMap.Entry entryCur)
Invoke some action, holding the segment lock, when a matching Entry is found.
|
Object |
invokeNotFound(Object oKey, Object oContext, SegmentedHashMap.Entry[] aeBucket, int nBucket)
Invoke some action, holding the segment lock, when no matching Entry is found.
|
public Object invokeFound(Object oKey, Object oContext, SegmentedHashMap.Entry[] aeBucket, int nBucket, SegmentedHashMap.Entry entryPrev, SegmentedHashMap.Entry entryCur)
invokeFound
in interface SegmentedHashMap.EntryAction
oKey
- the key to which the action is appliedoContext
- opaque context specific to the actionaeBucket
- the bucket arraynBucket
- the index into the bucket arrayentryPrev
- the Entry object immediately preceding the Entry that was found, or nullentryCur
- the Entry object that was foundpublic Object invokeNotFound(Object oKey, Object oContext, SegmentedHashMap.Entry[] aeBucket, int nBucket)
invokeNotFound
in interface SegmentedHashMap.EntryAction
oKey
- the key to which the action is appliedoContext
- opaque context specific to the actionaeBucket
- the bucket arraynBucket
- the index into the bucket array