org.openeuler.sun.security.util

类 MemoryCache<K,V>

java.lang.Object

org.openeuler.sun.security.util.Cache<K,V>

org.openeuler.sun.security.util.MemoryCache<K,V>

class MemoryCache<K,V>
extends Cache<K,V>

嵌套类概要

嵌套类

限定符和类型	类和说明
private static interface	MemoryCache.CacheEntry<K,V>
private static class	MemoryCache.HardCacheEntry<K,V>
private static class	MemoryCache.SoftCacheEntry<K,V>

从类继承的嵌套类/接口 org.openeuler.sun.security.util.Cache

Cache.CacheVisitor<K,V>, Cache.EqualByteArray

字段概要

字段

限定符和类型	字段和说明
private Map<K,MemoryCache.CacheEntry<K,V>>	cacheMap
private static boolean	DEBUG
private long	lifetime
private static float	LOAD_FACTOR
private int	maxSize
private long	nextExpirationTime
private ReferenceQueue<V>	queue

构造器概要

构造器

构造器和说明
MemoryCache(boolean soft, int maxSize)
MemoryCache(boolean soft, int maxSize, int lifetime)

方法概要

限定符和类型	方法和说明
void	accept(Cache.CacheVisitor<K,V> visitor) accept a visitor
void	clear() Remove all entries from the cache.
private void	emptyQueue() Empty the reference queue and remove all corresponding entries from the cache.
private void	expungeExpiredEntries() Scan all entries and remove all expired ones.
V	get(Object key) Get a value from the cache.
private Map<K,V>	getCachedEntries()
protected MemoryCache.CacheEntry<K,V>	newEntry(K key, V value, long expirationTime, ReferenceQueue<V> queue)
V	pull(Object key) Pull an entry from the cache.
void	put(K key, V value) Add an entry to the cache.
void	remove(Object key) Remove an entry from the cache.
void	setCapacity(int size) Set the maximum size.
void	setTimeout(int timeout) Set the timeout(in seconds).
int	size() Return the number of currently valid entries in the cache.

从类继承的方法 org.openeuler.sun.security.util.Cache

newHardMemoryCache, newHardMemoryCache, newNullCache, newSoftMemoryCache, newSoftMemoryCache

从类继承的方法 java.lang.Object

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

字段详细资料

LOAD_FACTOR

private static final float LOAD_FACTOR

另请参阅:

常量字段值

DEBUG

private static final boolean DEBUG

另请参阅:

常量字段值

cacheMap

private final Map<K,MemoryCache.CacheEntry<K,V>> cacheMap

maxSize

private int maxSize

lifetime

private long lifetime

nextExpirationTime

private long nextExpirationTime

queue

private final ReferenceQueue<V> queue

构造器详细资料

MemoryCache

public MemoryCache(boolean soft,
                   int maxSize)

MemoryCache

public MemoryCache(boolean soft,
                   int maxSize,
                   int lifetime)

方法详细资料

emptyQueue

private void emptyQueue()

Empty the reference queue and remove all corresponding entries from the cache. This method should be called at the beginning of each public method.

expungeExpiredEntries

private void expungeExpiredEntries()

Scan all entries and remove all expired ones.

size

public int size()

从类复制的说明: Cache

Return the number of currently valid entries in the cache.

指定者:

size 在类中 Cache<K,V>

clear

public void clear()

从类复制的说明: Cache

Remove all entries from the cache.

指定者:

clear 在类中 Cache<K,V>

put

public void put(K key,
                V value)

从类复制的说明: Cache

Add an entry to the cache.

指定者:

put 在类中 Cache<K,V>

get

public V get(Object key)

从类复制的说明: Cache

Get a value from the cache.

指定者:

get 在类中 Cache<K,V>

remove

public void remove(Object key)

从类复制的说明: Cache

Remove an entry from the cache.

指定者:

remove 在类中 Cache<K,V>

pull

public V pull(Object key)

从类复制的说明: Cache

Pull an entry from the cache.

指定者:

pull 在类中 Cache<K,V>

setCapacity

public void setCapacity(int size)

从类复制的说明: Cache

Set the maximum size.

指定者:

setCapacity 在类中 Cache<K,V>

setTimeout

public void setTimeout(int timeout)

从类复制的说明: Cache

Set the timeout(in seconds).

指定者:

setTimeout 在类中 Cache<K,V>

accept

public void accept(Cache.CacheVisitor<K,V> visitor)

从类复制的说明: Cache

accept a visitor

指定者:

accept 在类中 Cache<K,V>

getCachedEntries

private Map<K,V> getCachedEntries()

newEntry

protected MemoryCache.CacheEntry<K,V> newEntry(K key,
                                               V value,
                                               long expirationTime,
                                               ReferenceQueue<V> queue)