Package org.anchoranalysis.feature.calculate.cache.part

Class ResolvedPart<S,T extends FeatureInput>

Object

ResolvedPart<S,T>

Type Parameters:

S - result-type of the calculation

T - feature input-type

public class ResolvedPart<S,T extends FeatureInput>
extends Object

Like a CalculationPart but has been resolved against a cache to reuse any existing identical instance.

Author:

Owen Feehan

Constructor Summary

Constructors

Constructor	Description
ResolvedPart(CalculationPart<S,T> calculation)	Creates a new ResolvedPart instance.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
S	getOrCalculate(T input)	Executes the operation and returns a result, either by doing the calculation, or retrieving a cached-result from previously.
int	hashCode()

Methods inherited from class java.lang.Object

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

Constructor Details

ResolvedPart

public ResolvedPart(CalculationPart<S,T> calculation)

Creates a new ResolvedPart instance.

Parameters:

calculation - The calculation-part that is now considered resolved.

Method Details

getOrCalculate

public S getOrCalculate(T input)
                 throws FeatureCalculationException

Executes the operation and returns a result, either by doing the calculation, or retrieving a cached-result from previously.

Parameters:

input - If there is no existing cached-value, and the calculation occurs, these parameters are used. Otherwise ignored.

Returns:

the result of the calculation.

Throws:

FeatureCalculationException - if the calculation cannot finish, for whatever reason.

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object