Package org.aksw.commons.cache.async

Interface AsyncClaimingCache<K,V>

Type Parameters:

K -

V -

All Known Implementing Classes:

AsyncClaimingCache3Impl, AsyncClaimingCacheImpl, AsyncClaimingCacheWithTransformValue

public interface AsyncClaimingCache<K,V>

Interface for an async cache that allows "claiming" (= making explicit references) to entries. As long as an entry is claimed it will not be evicted.

Author:

raven

Method Summary

Modifier and Type	Method	Description
Disposable	addEvictionGuard(Predicate<? super K> predicate)	Protect eviction of certain keys as long as the guard is not disposed.
RefFuture<V>	claim(K key)	Claim a reference to the key's entry.
RefFuture<V>	claimIfPresent(K key)	Cannot raise an ExecutionException because it does not trigger loading
void	invalidateAll()

Method Details

claim

RefFuture<V> claim(K key)

Claim a reference to the key's entry.

Parameters:

key -

Returns:

Throws:

ExecutionException

claimIfPresent

RefFuture<V> claimIfPresent(K key)

Cannot raise an ExecutionException because it does not trigger loading

addEvictionGuard

Disposable addEvictionGuard(Predicate<? super K> predicate)

Protect eviction of certain keys as long as the guard is not disposed. Disposable may immediately evict all no longer guarded items

invalidateAll

void invalidateAll()