Package com.aspectran.utils

Class ConcurrentReferenceHashMap.Segment

java.lang.Object

java.util.concurrent.locks.ReentrantLock

com.aspectran.utils.ConcurrentReferenceHashMap.Segment

All Implemented Interfaces:

Serializable, Lock

Enclosing class:

ConcurrentReferenceHashMap<K,V>

protected final class ConcurrentReferenceHashMap.Segment
extends ReentrantLock

A single segment used to divide the map to allow better concurrent performance.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Segment(int initialSize, int resizeThreshold)

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear all items from this segment.
final int	getCount()	Return the total number of references in this segment.
ConcurrentReferenceHashMap.Reference<K,V>	getReference(Object key, int hash, ConcurrentReferenceHashMap.Restructure restructure)
final int	getSize()	Return the size of the current references array.

Methods inherited from class java.util.concurrent.locks.ReentrantLock

getHoldCount, getOwner, getQueuedThreads, getQueueLength, getWaitingThreads, getWaitQueueLength, hasQueuedThread, hasQueuedThreads, hasWaiters, isFair, isHeldByCurrentThread, isLocked, lock, lockInterruptibly, newCondition, toString, tryLock, tryLock, unlock

Methods inherited from class java.lang.Object

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

Constructor Details

Segment

public Segment(int initialSize,
 int resizeThreshold)

Method Details

getReference

@Nullable
public ConcurrentReferenceHashMap.Reference<K,V> getReference(@Nullable
 Object key,
 int hash,
 ConcurrentReferenceHashMap.Restructure restructure)

clear

public void clear()

Clear all items from this segment.

getSize

public final int getSize()

Return the size of the current references array.

getCount

public final int getCount()

Return the total number of references in this segment.