jetbrains.exodus.core.dataStructures

Class ObjectCacheDecorator<K,V>

java.lang.Object

jetbrains.exodus.core.dataStructures.CacheHitRateable

jetbrains.exodus.core.dataStructures.ObjectCacheBase<K,V>

jetbrains.exodus.core.dataStructures.ObjectCacheDecorator<K,V>

public abstract class ObjectCacheDecorator<K,V>
extends ObjectCacheBase<K,V>

Cache decorator for lazy cache creation.

Nested Class Summary

Nested classes/interfaces inherited from class jetbrains.exodus.core.dataStructures.ObjectCacheBase

ObjectCacheBase.CriticalSection

Field Summary

Fields inherited from class jetbrains.exodus.core.dataStructures.ObjectCacheBase

DEFAULT_SIZE, MIN_SIZE, size

Constructor Summary

Constructors

Constructor and Description
ObjectCacheDecorator()
ObjectCacheDecorator(int size)
ObjectCacheDecorator(int size, @NotNull java.util.function.BooleanSupplier shouldCache)

Method Summary

Modifier and Type	Method and Description
V	cacheObject(K key, V x)
void	clear()
void	close()
int	count()
protected abstract ObjectCacheBase<K,V>	createdDecorated()
int	getAttempts()
protected jetbrains.exodus.core.execution.SharedTimer.ExpirablePeriodicTask	getCacheAdjuster()
int	getHits()
V	getObject(K key)
float	hitRate()
protected void	incAttempts()
protected void	incHits()
void	lock()
ObjectCacheBase.CriticalSection	newCriticalSection()
V	remove(K key)
V	tryKey(K key)
void	unlock()

Methods inherited from class jetbrains.exodus.core.dataStructures.ObjectCacheBase

adjustHitRate, containsKey, formatHitRate, get, isCached, isEmpty, put, size, tryKeyLocked

Methods inherited from class jetbrains.exodus.core.dataStructures.CacheHitRateable

setAttempts, setHits

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectCacheDecorator

public ObjectCacheDecorator()

ObjectCacheDecorator

public ObjectCacheDecorator(int size)

ObjectCacheDecorator

public ObjectCacheDecorator(int size,
                            @NotNull
                            @NotNull java.util.function.BooleanSupplier shouldCache)

Method Detail

clear

public void clear()

Specified by:

clear in class ObjectCacheBase<K,V>

lock

public void lock()

Specified by:

lock in class ObjectCacheBase<K,V>

unlock

public void unlock()

Specified by:

unlock in class ObjectCacheBase<K,V>

cacheObject

public V cacheObject(@NotNull
                     K key,
                     @NotNull
                     V x)

Specified by:

cacheObject in class ObjectCacheBase<K,V>

remove

public V remove(@NotNull
                K key)

Specified by:

remove in class ObjectCacheBase<K,V>

tryKey

public V tryKey(@NotNull
                K key)

Specified by:

tryKey in class ObjectCacheBase<K,V>

getObject

public V getObject(@NotNull
                   K key)

Specified by:

getObject in class ObjectCacheBase<K,V>

count

public int count()

Specified by:

count in class ObjectCacheBase<K,V>

close

public void close()

Overrides:

close in class CacheHitRateable

getAttempts

public int getAttempts()

Overrides:

getAttempts in class CacheHitRateable

getHits

public int getHits()

Overrides:

getHits in class CacheHitRateable

hitRate

public float hitRate()

Overrides:

hitRate in class CacheHitRateable

newCriticalSection

public ObjectCacheBase.CriticalSection newCriticalSection()

Overrides:

newCriticalSection in class ObjectCacheBase<K,V>

incAttempts

protected void incAttempts()

Overrides:

incAttempts in class CacheHitRateable

incHits

protected void incHits()

Overrides:

incHits in class CacheHitRateable

getCacheAdjuster

@Nullable
protected jetbrains.exodus.core.execution.SharedTimer.ExpirablePeriodicTask getCacheAdjuster()

Overrides:

getCacheAdjuster in class CacheHitRateable

createdDecorated

protected abstract ObjectCacheBase<K,V> createdDecorated()