source: src/main/java/negotiator/boaframework/opponentmodel/SmithFrequencyModel.java

package negotiator.boaframework.opponentmodel;

import java.util.Map;

import agents.bayesianopponentmodel.OpponentModelUtilSpace;
import genius.core.Bid;
import genius.core.boaframework.NegotiationSession;
import genius.core.boaframework.OpponentModel;
import genius.core.issue.Issue;
import genius.core.utility.AbstractUtilitySpace;
import negotiator.boaframework.opponentmodel.agentsmith.SmithModel;

/**
 * Adapter for the Frequency Model for the BOA framework.
 *
 * Tim Baarslag, Koen Hindriks, Mark Hendrikx, Alex Dirkzwager and Catholijn M.
 * Jonker. Decoupling Negotiating Agents to Explore the Space of Negotiation
 * Strategies
 *
 * @author Mark Hendrikx
 */
public class SmithFrequencyModel extends OpponentModel {

        private SmithModel model;
        private int round = 0;

        @Override
        public void init(NegotiationSession negotiationSession, Map<String, Double> parameters) {
                model = new SmithModel(negotiationSession.getUtilitySpace());
                this.negotiationSession = negotiationSession;
        }

        @Override
        public void updateModel(Bid opponentBid, double time) {
                round++;
                model.addBid(opponentBid);
        }

        @Override
        public double getBidEvaluation(Bid bid) {
                if (round > 0) {
                        return model.getNormalizedUtility(bid);
                } else {
                        return 0;
                }
        }

        @Override
        public AbstractUtilitySpace getOpponentUtilitySpace() {
                if (round > 0) {
                        return new OpponentModelUtilSpace(model);
                } else {
                        return negotiationSession.getUtilitySpace();
                }
        }

        public double getWeight(Issue issue) {
                return model.getWeight(issue.getNumber());
        }

        @Override
        public String getName() {
                return "Smith Frequency Model";
        }

        public void cleanUp() {
                super.cleanUp();
                model = null;
        }
}