ch.bind.philib.cache.lru

Class StagedCache<K,V>

java.lang.Object

ch.bind.philib.cache.lru.StagedCache<K,V>

All Implemented Interfaces:

Cache<K,V>

public final class StagedCache<K,V>
extends java.lang.Object
implements Cache<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_CACHE_CAPACITY The default capacity of an object cache.
static int	DEFAULT_OLD_GEN_AFTER_HITS
static double	DEFAULT_OLD_GEN_RATIO The default capacity of an object cache.
static int	MIN_CACHE_CAPACITY The minimum capacity of a staged cache.

Constructor Summary

Constructors

Constructor and Description
StagedCache()
StagedCache(int capacity)
StagedCache(int capacity, double oldGenRatio)
StagedCache(int capacity, double oldGenRatio, int oldGenAfterHits)
StagedCache(int capacity, double oldGenRatio, int oldGenAfterHits, Cloner<V> cloner)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(K key, V value) Add a key-value-pair to the cache.
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.

Methods inherited from class java.lang.Object

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

Field Detail

MIN_CACHE_CAPACITY

public static final int MIN_CACHE_CAPACITY

The minimum capacity of a staged cache.

See Also:

Constant Field Values

DEFAULT_CACHE_CAPACITY

public static final int DEFAULT_CACHE_CAPACITY

The default capacity of an object cache.

See Also:

Constant Field Values

DEFAULT_OLD_GEN_RATIO

public static final double DEFAULT_OLD_GEN_RATIO

The default capacity of an object cache.

See Also:

Constant Field Values

DEFAULT_OLD_GEN_AFTER_HITS

public static final int DEFAULT_OLD_GEN_AFTER_HITS

See Also:

Constant Field Values

Constructor Detail

StagedCache

public StagedCache()

StagedCache

public StagedCache(int capacity)

StagedCache

public StagedCache(int capacity,
           double oldGenRatio)

StagedCache

public StagedCache(int capacity,
           double oldGenRatio,
           int oldGenAfterHits)

StagedCache

public StagedCache(int capacity,
           double oldGenRatio,
           int oldGenAfterHits,
           Cloner<V> cloner)

Method Detail

add

public void add(K key,
       V value)

Description copied from interface: Cache

Add a key-value-pair to the cache.

Specified by:

add 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>