Class ReentrantReadWriteLockCache<K,V>

java.lang.Object

org.apache.commons.ognl.internal.ReentrantReadWriteLockCache<K,V>

All Implemented Interfaces:

Cache<K,V>

public class ReentrantReadWriteLockCache<K,V>
extends Object
implements Cache<K,V>

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final Map<K,V>	cache
private CacheEntryFactory<K,V>	cacheEntryFactory
private final ReadWriteLock	lock
private final Lock	readLock
private final Lock	writeLock

Constructor Summary

Constructors

Constructor	Description
ReentrantReadWriteLockCache()
ReentrantReadWriteLockCache(CacheEntryFactory<K,V> cacheEntryFactory)

Method Summary

Modifier and Type	Method	Description
void	clear()
V	get(K key)
int	getSize()
V	put(K key, V value)
protected boolean	shouldCreate(CacheEntryFactory<K,V> cacheEntryFactory, V v)

Methods inherited from class Object

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

Field Details

lock

private final ReadWriteLock lock

readLock

private final Lock readLock

writeLock

private final Lock writeLock

cache

final Map<K,V> cache

cacheEntryFactory

private CacheEntryFactory<K,V> cacheEntryFactory

Constructor Details

ReentrantReadWriteLockCache

public ReentrantReadWriteLockCache()

ReentrantReadWriteLockCache

public ReentrantReadWriteLockCache(CacheEntryFactory<K,V> cacheEntryFactory)

Method Details

clear

public void clear()

Specified by:

clear in interface Cache<K,V>

getSize

public int getSize()

Specified by:

getSize in interface Cache<K,V>

get

public V get(K key)
      throws CacheException

Specified by:

get in interface Cache<K,V>

Throws:

CacheException

shouldCreate

protected boolean shouldCreate(CacheEntryFactory<K,V> cacheEntryFactory,
 V v)
                        throws CacheException

Throws:

CacheException

put

public V put(K key,
 V value)

Specified by:

put in interface Cache<K,V>