org.cache2k.core.operation

Class Semantic.Update<K,V,R>

java.lang.Object

org.cache2k.core.operation.Semantic.Base<K,V,R>

org.cache2k.core.operation.Semantic.Update<K,V,R>

All Implemented Interfaces:

Semantic<K,V,R>

Enclosing interface:

Semantic<K,V,R>

public abstract static class Semantic.Update<K,V,R>
extends Semantic.Base<K,V,R>

Only update the entry. This does not need the entry to be present in the heap.

Nested Class Summary

Nested classes/interfaces inherited from interface org.cache2k.core.operation.Semantic

Semantic.Base<K,V,R>, Semantic.MightUpdateExisting<K,V,R>, Semantic.Read<K,V,R>, Semantic.Update<K,V,R>, Semantic.UpdateExisting<K,V,R>

Constructor Summary

Constructors

Constructor and Description
Update()

Method Summary

Modifier and Type	Method and Description
void	examine(Progress<K,V,R> c, ExaminationEntry<K,V> e) Instruct to lock the entry for the update.
void	start(Progress<K,V,R> c) Instruct to lock the entry for the update.
abstract void	update(Progress<K,V,R> c, ExaminationEntry<K,V> e) Called to update the entry.

Methods inherited from class org.cache2k.core.operation.Semantic.Base

loaded

Methods inherited from class java.lang.Object

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

Constructor Detail

Update

public Update()

Method Detail

start

public final void start(Progress<K,V,R> c)

Instruct to lock the entry for the update.

examine

public final void examine(Progress<K,V,R> c,
                          ExaminationEntry<K,V> e)

Instruct to lock the entry for the update. Again, since examine may be called when entry is there.

update

public abstract void update(Progress<K,V,R> c,
                            ExaminationEntry<K,V> e)

Called to update the entry.

Parameters:

e - The entry locked for update. The entry value may not represent the latest cache data.