jetbrains.exodus.core.dataStructures

Class LongObjectCacheBase<V>

java.lang.Object

jetbrains.exodus.core.dataStructures.CacheHitRateable

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

Direct Known Subclasses:

ConcurrentLongObjectCache, LongObjectCache, SoftLongObjectCacheBase

public abstract class LongObjectCacheBase<V>
extends CacheHitRateable

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	LongObjectCacheBase.CriticalSection

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_SIZE
static int	MIN_SIZE
protected int	size

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LongObjectCacheBase(int size)

Method Summary

Modifier and Type	Method and Description
void	adjustHitRate()
abstract V	cacheObject(long key, V x)
abstract void	clear()
boolean	containsKey(long key)
abstract int	count()
V	get(long key)
abstract V	getObject(long key)
boolean	isCached(long key)
boolean	isEmpty()
abstract void	lock()
LongObjectCacheBase.CriticalSection	newCriticalSection()
V	put(long key, V value)
abstract V	remove(long key)
int	size()
abstract V	tryKey(long key)
V	tryKeyLocked(long key)
abstract void	unlock()

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_SIZE

public static final int DEFAULT_SIZE

See Also:

Constant Field Values

MIN_SIZE

public static final int MIN_SIZE

See Also:

Constant Field Values

size

protected final int size

Constructor Detail

LongObjectCacheBase

protected LongObjectCacheBase(int size)

Method Detail

isEmpty

public boolean isEmpty()

containsKey

public boolean containsKey(long key)

get

public V get(long key)

put

public V put(long key,
             V value)

tryKeyLocked

public V tryKeyLocked(long key)

clear

public abstract void clear()

lock

public abstract void lock()

unlock

public abstract void unlock()

cacheObject

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

remove

public abstract V remove(long key)

tryKey

public abstract V tryKey(long key)

getObject

public abstract V getObject(long key)

isCached

public boolean isCached(long key)

count

public abstract int count()

size

public int size()

adjustHitRate

public void adjustHitRate()

Overrides:

adjustHitRate in class CacheHitRateable

newCriticalSection

public LongObjectCacheBase.CriticalSection newCriticalSection()