source: src/main/java/negotiator/boaframework/acceptanceconditions/other/AC_Combi.java

package negotiator.boaframework.acceptanceconditions.other;

import java.util.Map;

import genius.core.boaframework.AcceptanceStrategy;
import genius.core.boaframework.Actions;
import genius.core.boaframework.NegotiationSession;
import genius.core.boaframework.OfferingStrategy;
import genius.core.boaframework.OpponentModel;

/**
 * This is the decoupled Acceptance Conditions Based on Tim Baarslag's paper on
 * Acceptance Conditions: "Acceptance Conditions in Automated Negotiation"
 * 
 * This Acceptance Conditions is a combination of AC_Time and AC_Next ->
 * (AC_Time OR AC_Next)
 * 
 * Decoupling Negotiating Agents to Explore the Space of Negotiation Strategies
 * T. Baarslag, K. Hindriks, M. Hendrikx, A. Dirkzwager, C.M. Jonker
 * 
 * @author Alex Dirkzwager
 */
public class AC_Combi extends AcceptanceStrategy {

        private double a;
        private double b;
        private double time;

        /**
         * Empty constructor for the BOA framework.
         */
        public AC_Combi() {
        }

        public AC_Combi(NegotiationSession negoSession, OfferingStrategy strat, double a, double b, double t, double c) {
                this.negotiationSession = negoSession;
                this.offeringStrategy = strat;
                this.a = a;
                this.b = b;
                this.time = t;
        }

        @Override
        public void init(NegotiationSession negoSession, OfferingStrategy strat, OpponentModel opponentModel,
                        Map<String, Double> parameters) throws Exception {
                this.negotiationSession = negoSession;
                if (parameters.get("c") != null && parameters.get("t") != null) {
                        a = parameters.get("a");
                        b = parameters.get("b");
                        time = parameters.get("t");
                } else {
                        throw new Exception("Paramaters were not correctly set");
                }
        }

        @Override
        public String printParameters() {
                return "[a: " + a + " b: " + b + " t: " + time + "]";
        }

        @Override
        public Actions determineAcceptability() {

                double nextMyBidUtil = offeringStrategy.getNextBid().getMyUndiscountedUtil();
                double lastOpponentBidUtil = negotiationSession.getOpponentBidHistory().getLastBidDetails()
                                .getMyUndiscountedUtil();
                if (a * lastOpponentBidUtil + b >= nextMyBidUtil || negotiationSession.getTime() >= time) {
                        return Actions.Accept;
                }
                return Actions.Reject;
        }

        @Override
        public String getName() {
                return "Other - Combi";
        }
}