Class ValueCache<K, V, T extends Throwable>

java.lang.Object

com.aparapi.internal.model.ValueCache<K,V,T>

public final class ValueCache<K, V, T extends Throwable>
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ValueCache.ThrowingValueComputer<K, V, T extends Throwable>
static interface	ValueCache.ValueComputer<K,V>

Field Summary

Fields

Modifier and Type	Field	Description
private final ValueCache.ThrowingValueComputer<K,V,T>	computer
private final ConcurrentMap<K, SoftReference<V>>	map

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ValueCache(ValueCache.ThrowingValueComputer<K,V,T> computer)

Method Summary

Modifier and Type	Method	Description
V	computeIfAbsent(K key)
void	invalidate()
static <K, V, T extends Throwable> ValueCache<K,V,T>	on(ValueCache.ThrowingValueComputer<K,V,T> computer)

Methods inherited from class Object

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

Field Details

map

private final ConcurrentMap<K, SoftReference<V>> map

computer

private final ValueCache.ThrowingValueComputer<K, V, T extends Throwable> computer

Constructor Details

ValueCache

private ValueCache(ValueCache.ThrowingValueComputer<K,V,T> computer)

Method Details

on

public static <K, V, T extends Throwable>
ValueCache<K,V,T> on(ValueCache.ThrowingValueComputer<K,V,T> computer)

computeIfAbsent

public V computeIfAbsent(K key)
                  throws T

Throws:

T

invalidate

public void invalidate()