jetbrains.exodus.core.dataStructures

Class LongObjectCache<V>

java.lang.Object

jetbrains.exodus.core.dataStructures.CacheHitRateable

jetbrains.exodus.core.dataStructures.LongObjectCacheBase<V>

jetbrains.exodus.core.dataStructures.LongObjectCache<V>

public class LongObjectCache<V>
extends jetbrains.exodus.core.dataStructures.LongObjectCacheBase<V>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	LongObjectCache.DeletedPairsListener<V>
protected static class	LongObjectCache.LongObjectCacheKeysIterator<V>
protected static class	LongObjectCache.LongObjectCacheValuesIterator<V>

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

jetbrains.exodus.core.dataStructures.LongObjectCacheBase.Companion

Field Summary

Fields

Modifier and Type	Field and Description
static float	DEFAULT_SECOND_GENERATION_QUEUE_SIZE_RATIO

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

Companion, DEFAULT_SIZE, MIN_SIZE

Constructor Summary

Constructors

Constructor and Description
LongObjectCache()
LongObjectCache(int cacheSize)
LongObjectCache(int cacheSize, float secondGenSizeRatio)

Method Summary

Modifier and Type	Method and Description
void	addDeletedPairsListener(LongObjectCache.DeletedPairsListener<V> listener)
V	cacheObject(long key, V x)
void	clear()
int	count()
boolean	forEachEntry(ObjectProcedure<java.util.Map.Entry<java.lang.Long,V>> procedure)
V	getObject(long key)
java.util.Iterator<java.lang.Long>	keys()
void	lock()
V	remove(long key)
void	removeAll()
void	removeDeletedPairsListener(LongObjectCache.DeletedPairsListener<V> listener)
V	tryKey(long key)
void	unlock()
java.util.Iterator<V>	values()

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

adjustHitRate, cacheObjectLocked, containsKey, get, getObjectLocked, isCached, isEmpty, put, removeLocked, size, tryKeyLocked

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

close, getAttempts, getCacheAdjuster, getHits, hitRate, incAttempts, incHits, setAttempts, setHits

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SECOND_GENERATION_QUEUE_SIZE_RATIO

public static final float DEFAULT_SECOND_GENERATION_QUEUE_SIZE_RATIO

See Also:

Constant Field Values

Constructor Detail

LongObjectCache

public LongObjectCache()

LongObjectCache

public LongObjectCache(int cacheSize)

LongObjectCache

public LongObjectCache(int cacheSize,
                       float secondGenSizeRatio)

Method Detail

clear

public void clear()

Specified by:

clear in class jetbrains.exodus.core.dataStructures.LongObjectCacheBase<V>

lock

public void lock()

Specified by:

lock in class jetbrains.exodus.core.dataStructures.LongObjectCacheBase<V>

unlock

public void unlock()

Specified by:

unlock in class jetbrains.exodus.core.dataStructures.LongObjectCacheBase<V>

remove

public V remove(long key)

Specified by:

remove in class jetbrains.exodus.core.dataStructures.LongObjectCacheBase<V>

removeAll

public void removeAll()

cacheObject

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

Specified by:

cacheObject in class jetbrains.exodus.core.dataStructures.LongObjectCacheBase<V>

tryKey

public V tryKey(long key)

Specified by:

tryKey in class jetbrains.exodus.core.dataStructures.LongObjectCacheBase<V>

getObject

public V getObject(long key)

Specified by:

getObject in class jetbrains.exodus.core.dataStructures.LongObjectCacheBase<V>

Parameters:

key - key.

Returns:

object from the cache not affecting usages statistics.

count

public int count()

Specified by:

count in class jetbrains.exodus.core.dataStructures.LongObjectCacheBase<V>

keys

public java.util.Iterator<java.lang.Long> keys()

values

public java.util.Iterator<V> values()

forEachEntry

public boolean forEachEntry(ObjectProcedure<java.util.Map.Entry<java.lang.Long,V>> procedure)

addDeletedPairsListener

public void addDeletedPairsListener(LongObjectCache.DeletedPairsListener<V> listener)

removeDeletedPairsListener

public void removeDeletedPairsListener(LongObjectCache.DeletedPairsListener<V> listener)