protected final class ConcurrentReferenceHashMap.Segment extends ReentrantLock
Constructor and Description |
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Segment(int initialCapacity) |
Modifier and Type | Method and Description |
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void |
clear()
Clear all items from this segment.
|
<T> T |
doTask(int hash,
Object key,
org.springframework.util.ConcurrentReferenceHashMap.Task<T> task)
Apply an update operation to this segment.
|
int |
getCount() |
ConcurrentReferenceHashMap.Reference<K,V> |
getReference(Object key,
int hash,
ConcurrentReferenceHashMap.Restructure restructure) |
int |
getSize() |
protected void |
restructureIfNecessary(boolean allowResize)
Restructure the underlying data structure when it becomes necessary.
|
getHoldCount, getOwner, getQueuedThreads, getQueueLength, getWaitingThreads, getWaitQueueLength, hasQueuedThread, hasQueuedThreads, hasWaiters, isFair, isHeldByCurrentThread, isLocked, lock, lockInterruptibly, newCondition, toString, tryLock, tryLock, unlock
public ConcurrentReferenceHashMap.Reference<K,V> getReference(Object key, int hash, ConcurrentReferenceHashMap.Restructure restructure)
public <T> T doTask(int hash, Object key, org.springframework.util.ConcurrentReferenceHashMap.Task<T> task)
hash
- the hash of the keykey
- the keytask
- the update operationpublic void clear()
protected final void restructureIfNecessary(boolean allowResize)
allowResize
- if resizing is permittedpublic final int getSize()
public final int getCount()