Computable

All Known Implementing Classes:

Cache, LRUHybridCache
```
public interface Computable<K,V>
```
Utility interface to capture generic computation of type V from type K. Used in Cache.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  V compute(K key)
  Defines an expensive computation to retrieve value V from key K.

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