source: src/main/java/negotiator/boaframework/opponentmodel/tools/UtilitySpaceAdapter.java

package negotiator.boaframework.opponentmodel.tools;

import genius.core.Bid;
import genius.core.Domain;
import genius.core.boaframework.OpponentModel;
import genius.core.utility.AdditiveUtilitySpace;

/**
 * Some opponent models do not use the UtilitySpace-object. Using this object, a
 * UtilitySpace-object can be created for each opponent model.
 * 
 * @author Mark Hendrikx
 */
public class UtilitySpaceAdapter extends AdditiveUtilitySpace {

        private OpponentModel opponentModel;

        public UtilitySpaceAdapter(OpponentModel opponentModel, Domain domain) {
                super(domain);
                this.opponentModel = opponentModel;
        }

        public double getUtility(Bid b) {
                double u = 0.;
                try {
                        u = opponentModel.getBidEvaluation(b);
                } catch (Exception e) {
                        e.printStackTrace();
                        System.err.println("getNormalizedUtility failed. returning 0");
                        u = 0.0;
                }
                return u;
        }

        public double getWeight(int i) {
                System.err
                                .println("The opponent model should overwrite getWeight() when using the UtilitySpaceAdapter");
                return i;
        }
}