Package 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 java.lang.Object
implements IServiceEvaluator, IServiceRanker<S>

Evaluator composed of multiple weighted evaluators.

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.List<Tuple2<IServiceEvaluator,java.lang.Double>>	evaluators	The evaluators.

Constructor Summary

Constructors

Constructor	Description
ComposedEvaluator()	Creates the combiner.

Method Summary

Modifier and Type	Method	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<java.lang.Double>	evaluate(IService service)	Evaluates the service in detail.
IFuture<java.util.List<S>>	rank(java.util.List<S> unrankedservices)	Ranks services according to non-functional criteria.
IFuture<java.util.List<Tuple2<S,java.lang.Double>>>	rankWithScores(java.util.List<S> unrankedservices)	Ranks services according to non-functional criteria.
void	removeEvaluator(IServiceEvaluator evaluator)	Removes an evaluator.

Methods inherited from class java.lang.Object

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

Field Detail

evaluators

protected java.util.List<Tuple2<IServiceEvaluator,java.lang.Double>> evaluators

The evaluators.

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<java.lang.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<java.util.List<S>> rank(java.util.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<java.util.List<Tuple2<S,java.lang.Double>>> rankWithScores(java.util.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.