org.glassfish.hk2.utilities.cache

public Interface Computable<K, V>

Known Direct Implementers: org.glassfish.hk2.utilities.cache.LRUHybridCache, org.glassfish.hk2.utilities.cache.Cache

Utility interface to capture generic computation of type V from type K. Used in Cache.

Method Summary

Modifier and Type	Method and Description
public V	Returns: output from the computation. compute(K input data. key) Defines an expensive computation to retrieve value V from key K.

compute	back to summary
public V compute(K key) throws ComputationErrorException Defines an expensive computation to retrieve value V from key K. Parameters key:K input data. Returns:V output from the computation. Exceptions ComputationErrorException: if the computation performed should be returned by the cache but should not be kept in the cache associated with the key

compute

public V compute(K key) throws ComputationErrorException

Defines an expensive computation to retrieve value V from key K.

Parameters

Returns:V

output from the computation.

Exceptions

ComputationErrorException:: if the computation performed should be returned by the cache but should not be kept in the cache associated with the key