jadex.bridge.nonfunctional.search

Class ComposedEvaluator<S>

java.lang.Object

jadex.bridge.nonfunctional.search.ComposedEvaluator<S>

All Implemented Interfaces:

IServiceEvaluator, IServiceRanker<S>

public class ComposedEvaluator<S>
extends Object
implements IServiceEvaluator, IServiceRanker<S>

Evaluator composed of multiple weighted evaluators.

Constructor Summary

Constructors

Constructor and Description
ComposedEvaluator() Creates the combiner.

Method Summary

Modifier and Type	Method and Description
void	addEvaluator(IServiceEvaluator evaluator) Adds a new evaluator with a weight of 1.0.
void	addEvaluator(IServiceEvaluator evaluator, double weight) Adds a new evaluator.
IFuture<Double>	evaluate(IService service) Evaluates the service in detail.
IFuture<List<S>>	rank(List<S> unrankedservices) Ranks services according to non-functional criteria.
IFuture<List<Tuple2<S,Double>>>	rankWithScores(List<S> unrankedservices) Ranks services according to non-functional criteria.
void	removeEvaluator(IServiceEvaluator evaluator) Removes an evaluator.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ComposedEvaluator

public ComposedEvaluator()

Creates the combiner.

Method Detail

addEvaluator

public void addEvaluator(IServiceEvaluator evaluator)

Adds a new evaluator with a weight of 1.0.

Parameters:

evaluator - The new evaluator.

addEvaluator

public void addEvaluator(IServiceEvaluator evaluator,
                         double weight)

Adds a new evaluator.

Parameters:

evaluator - The new evaluator.

weight - The weight of the evaluator relative to other evaluators.

removeEvaluator

public void removeEvaluator(IServiceEvaluator evaluator)

Removes an evaluator.

Parameters:

evaluator - The evaluator.

evaluate

public IFuture<Double> evaluate(IService service)

Evaluates the service in detail. This method must return an evaluation of the service in the range between 0 (worst/unacceptable) to 1 (best/preferred).

Specified by:

evaluate in interface IServiceEvaluator

Parameters:

service - The service being evaluated.

Returns:

An evaluation of the service in a range between 0 and 1 (inclusive).

rank

public IFuture<List<S>> rank(List<S> unrankedservices)

Ranks services according to non-functional criteria.

Specified by:

rank in interface IServiceRanker<S>

Parameters:

unrankedservices - Unranked list of services.

Returns:

Ranked list of services.

rankWithScores

public IFuture<List<Tuple2<S,Double>>> rankWithScores(List<S> unrankedservices)

Ranks services according to non-functional criteria.

Specified by:

rankWithScores in interface IServiceRanker<S>

Parameters:

unrankedservices - Unranked list of services.

Returns:

Ranked list of services and scores.