Package org.aksw.commons.cache.plain

Class NavigableClamingCache<C extends Comparable<C>,V>

java.lang.Object

org.aksw.commons.cache.plain.NavigableClamingCache<C,V>

Type Parameters:

K -

V -

public class NavigableClamingCache<C extends Comparable<C>,V>
extends Object

An extension of loading cache that allows for making explicit references to cached entries such that they won't be evicted. As long as an entry's reference is not released the cache entry will not be evicted.

Author:

raven

Field Summary

Fields

Modifier and Type	Field	Description
protected com.google.common.cache.Cache<C,V>	cache
protected NavigableSet<C>	cacheKeys
protected NavigableMap<C,Ref<V>>	claimed

Constructor Summary

Constructors

Constructor	Description
NavigableClamingCache(com.google.common.cache.CacheBuilder<C,V> cacheBuilder)

Method Summary

Modifier and Type	Method	Description
NavigableMap<C,Ref<V>>	claimAll(com.google.common.collect.Range<C> requestRange)	Claim all items in the given request range
static <K extends Comparable<K>, V> NavigableMap<K,V>	filterByRange(NavigableMap<K,V> map, com.google.common.collect.Range<K> range)	Create a set view over a navigable set with items filtered to the given range
static <T extends Comparable<T>> NavigableSet<T>	filterByRange(NavigableSet<T> set, com.google.common.collect.Range<T> range)	Create a set view over a navigable set with items filtered to the given range
void	put(C key, V value)

Methods inherited from class java.lang.Object

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

Field Details

cache

protected com.google.common.cache.Cache<C extends Comparable<C>,V> cache

cacheKeys

protected NavigableSet<C extends Comparable<C>> cacheKeys

claimed

protected NavigableMap<C extends Comparable<C>,Ref<V>> claimed

Constructor Details

NavigableClamingCache

public NavigableClamingCache(com.google.common.cache.CacheBuilder<C,V> cacheBuilder)

Method Details

put

public void put(C key,
 V value)

claimAll

public NavigableMap<C,Ref<V>> claimAll(com.google.common.collect.Range<C> requestRange)

Claim all items in the given request range

filterByRange

public static <T extends Comparable<T>>
NavigableSet<T> filterByRange(NavigableSet<T> set,
 com.google.common.collect.Range<T> range)

Create a set view over a navigable set with items filtered to the given range

filterByRange

public static <K extends Comparable<K>,
V>
NavigableMap<K,V> filterByRange(NavigableMap<K,V> map,
 com.google.common.collect.Range<K> range)

Create a set view over a navigable set with items filtered to the given range