com.tangosol.util

Class SegmentedConcurrentMap.TruncateAction

java.lang.Object

com.tangosol.util.SegmentedHashMap.EntryActionAdapter

com.tangosol.util.SegmentedConcurrentMap.TruncateAction

All Implemented Interfaces:

SegmentedHashMap.EntryAction, SegmentedHashMap.IterableEntryAction

Enclosing class:

SegmentedConcurrentMap

protected class SegmentedConcurrentMap.TruncateAction
extends SegmentedHashMap.EntryActionAdapter

Action support for truncate() for a NearCache key/events control map. This operation supports interrupting lock holder thread and unlocking SegmentedConcurrentMap.LockableEntry entryCur.

Since:

12.2.1.4.21

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TruncateAction()

Method Summary

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.

Methods inherited from class com.tangosol.util.SegmentedHashMap.EntryActionAdapter

isComplete

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TruncateAction

protected TruncateAction()

Method Detail

invokeFound

public Object invokeFound(Object oKey,
                          Object oContext,
                          SegmentedHashMap.Entry[] aeBucket,
                          int nBucket,
                          SegmentedHashMap.Entry entryPrev,
                          SegmentedHashMap.Entry entryCur)

Description copied from class: SegmentedHashMap.EntryActionAdapter

Invoke some action, holding the segment lock, when a matching Entry is found.

Specified by:

invokeFound in interface SegmentedHashMap.EntryAction

Overrides:

invokeFound in class SegmentedHashMap.EntryActionAdapter

Parameters:

oKey - the key to which the action is applied

oContext - opaque context specific to the action

aeBucket - the bucket array

nBucket - the index into the bucket array

entryPrev - the Entry object immediately preceding the Entry that was found, or null

entryCur - the Entry object that was found

Returns:

an opaque result value

invokeNotFound

public Object invokeNotFound(Object oKey,
                             Object oContext,
                             SegmentedHashMap.Entry[] aeBucket,
                             int nBucket)

Description copied from class: SegmentedHashMap.EntryActionAdapter

Invoke some action, holding the segment lock, when no matching Entry is found.

Specified by:

invokeNotFound in interface SegmentedHashMap.EntryAction

Overrides:

invokeNotFound in class SegmentedHashMap.EntryActionAdapter

Parameters:

oKey - the key to which the action is applied

oContext - opaque context specific to the action

aeBucket - the bucket array

nBucket - the index into the bucket array

Returns:

an opaque result value