Package org.semanticweb.owlapi.util

Class WeakIndexCache<K,V>

java.lang.Object

org.semanticweb.owlapi.util.WeakIndexCache<K,V>

Type Parameters:

K - key type

V - value type

All Implemented Interfaces:

Serializable

public class WeakIndexCache<K,V>
extends Object
implements Serializable

A weakly linked cache - elements in the cache can be garbage collected.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
WeakIndexCache()

Method Summary

Modifier and Type	Method	Description
V	cache(K s, V v)
void	clear()	empty the cache.
boolean	contains(K k)
V	get(K k)

Methods inherited from class java.lang.Object

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

Constructor Details

WeakIndexCache

public WeakIndexCache()

Method Details

cache

public V cache(K s,
 V v)

Parameters:

s - the cache key

v - the cache value

Returns:

the cached value

get

@Nullable
public V get(K k)

Parameters:

k - the key

Returns:

the value

contains

public boolean contains(K k)

Parameters:

k - the key to check

Returns:

true if the cache contains k as a key; note that, due to the nature of this cache, by the time the method returns the key may no longer be in the map.

clear

public void clear()

empty the cache.