Package org.wildfly.clustering.cache

Interface CacheEntryLocator<I,V>

Type Parameters:

I - the identifier type of the located value

V - the located value type

All Known Subinterfaces:

BiCacheEntryLocator<I,K,V>

public interface CacheEntryLocator<I,V>

Locates a value from a cache.

Author:

Paul Ferraro

Method Summary

Modifier and Type	Method	Description
default V	findValue(I id)	Locates the value in the cache with the specified identifier.
CompletionStage<V>	findValueAsync(I id)	Locates the value in the cache with the specified identifier.
default V	tryValue(I id)	Returns the value for the specified key, if possible without contention.
default CompletionStage<V>	tryValueAsync(I id)	Returns the value for the specified key, if possible without contention.

Method Details

findValue

default V findValue(I id)

Locates the value in the cache with the specified identifier.

Parameters:

id - the cache entry identifier

Returns:

the value of the cache entry, or null if not found.

findValueAsync

CompletionStage<V> findValueAsync(I id)

Locates the value in the cache with the specified identifier.

Parameters:

id - the cache entry identifier

Returns:

the value of the cache entry, or null if not found.

tryValue

default V tryValue(I id)

Returns the value for the specified key, if possible without contention.

Parameters:

id - a logical key

Returns:

the value of the cache entry, or null if not found or unavailable.

tryValueAsync

default CompletionStage<V> tryValueAsync(I id)

Returns the value for the specified key, if possible without contention.

Parameters:

id - a logical key

Returns:

the value of the cache entry, or null if not found or unavailable.