ch.bind.philib.cache

Class StagedLruCache<K,V>

java.lang.Object

ch.bind.philib.cache.StagedLruCache<K,V>

All Implemented Interfaces:

Cache<K,V>

public final class StagedLruCache<K,V>
extends Object
implements Cache<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_OLD_GEN_AFTER_HITS The number of hits after which an entry is put into the old-generation lru
static double	DEFAULT_OLD_GEN_RATIO The default capacity of an object cache relative to its capacity.

Fields inherited from interface ch.bind.philib.cache.Cache

DEFAULT_CAPACITY

Constructor Summary

Constructors

Constructor and Description
StagedLruCache()
StagedLruCache(Cloner<V> valueCloner)
StagedLruCache(int capacity)
StagedLruCache(int capacity, Cloner<V> valueCloner, double oldGenRatio, int oldGenAfterHits)

Method Summary

Methods

Modifier and Type	Method and Description
int	capacity()
void	clear() Remove all elements from the cache.
V	get(K key) Query a value from the cache by its key.
void	remove(K key) Remove a key-value-pair from the cache.
void	set(K key, V value) Sets a key-value-pair to the cache.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_OLD_GEN_RATIO

public static final double DEFAULT_OLD_GEN_RATIO

The default capacity of an object cache relative to its capacity.

See Also:

Constant Field Values

DEFAULT_OLD_GEN_AFTER_HITS

public static final int DEFAULT_OLD_GEN_AFTER_HITS

The number of hits after which an entry is put into the old-generation lru

See Also:

Constant Field Values

Constructor Detail

StagedLruCache

public StagedLruCache()

StagedLruCache

public StagedLruCache(int capacity)

StagedLruCache

public StagedLruCache(Cloner<V> valueCloner)

StagedLruCache

public StagedLruCache(int capacity,
              Cloner<V> valueCloner,
              double oldGenRatio,
              int oldGenAfterHits)

Method Detail

set

public void set(K key,
       V value)

Description copied from interface: Cache

Sets a key-value-pair to the cache.

Specified by:

set in interface Cache<K,V>

get

public V get(K key)

Description copied from interface: Cache

Query a value from the cache by its key.

Specified by:

get in interface Cache<K,V>

Returns:

null if no value for the given key was found. Otherwise the value for this key.

remove

public void remove(K key)

Description copied from interface: Cache

Remove a key-value-pair from the cache.

Specified by:

remove in interface Cache<K,V>

capacity

public int capacity()

Specified by:

capacity in interface Cache<K,V>

Returns:

the capacity of this cache.

clear

public void clear()

Description copied from interface: Cache

Remove all elements from the cache.

Specified by:

clear in interface Cache<K,V>