Package org.forgerock.openig.tools

Class CaffeineUtils

java.lang.Object

org.forgerock.openig.tools.CaffeineUtils

public final class CaffeineUtils
extends Object

Utility class for Caffeine-related workarounds.

Method Summary

Modifier and Type	Method	Description
static <K,V,E extends Exception> Promise<V,E>	invalidateEagerly(com.github.benmanes.caffeine.cache.AsyncCache<K,V> cache, Promise<V,E> promise, K key)	Preemptively invalidates the cache entry on failure.

Methods inherited from class java.lang.Object

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

Method Detail

invalidateEagerly

public static <K,V,E extends Exception> Promise<V,E> invalidateEagerly(com.github.benmanes.caffeine.cache.AsyncCache<K,V> cache,
                                                                                         Promise<V,E> promise,
                                                                                         K key)

Preemptively invalidates the cache entry on failure.

Let Caffeine handle the removal if the entry is already completed. This avoids a recursive modification issue from the underlying map implementation.

Type Parameters:

K - type of the key

V - type of the cached value

E - promise's exception type

Parameters:

cache - the async cache

promise - promise of the cache entry

key - the looked up key

Returns:

a new promise doing the eager cache invalidation (if it's not completed yet), otherwise the same promise.

See Also:

Caffeine issue 372