source: src/main/java/negotiator/boaframework/acceptanceconditions/anac2010/AC_AgentFSEGA.java

package negotiator.boaframework.acceptanceconditions.anac2010;

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 Condition from AgentFSEGA (ANAC2010). The
 * code was taken from the ANAC2010 AgentFSEGA and adapted to work within the
 * BOA framework.
 * 
 * Decoupling Negotiating Agents to Explore the Space of Negotiation Strategies
 * T. Baarslag, K. Hindriks, M. Hendrikx, A. Dirkzwager, C.M. Jonker
 * 
 * @author Alex Dirkzwager, Mark Hendrikx
 * @version 26/12/11
 */
public class AC_AgentFSEGA extends AcceptanceStrategy {
        private double maxUtilInDomain;

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

        public AC_AgentFSEGA(NegotiationSession negoSession, OfferingStrategy strat) throws Exception {
                init(negoSession, strat, null, null);
        }

        @Override
        public void init(NegotiationSession negoSession, OfferingStrategy strat, OpponentModel opponentModel,
                        Map<String, Double> parameters) throws Exception {
                this.negotiationSession = negoSession;
                this.offeringStrategy = strat;
                maxUtilInDomain = negotiationSession.getMaxBidinDomain().getMyUndiscountedUtil();
        }

        @Override
        public Actions determineAcceptability() {

                if (negotiationSession.getOpponentBidHistory().getHistory().isEmpty()
                                || negotiationSession.getOwnBidHistory().getHistory().isEmpty()) {
                        return Actions.Reject;
                } else {
                        double lastOpponentBidUtil = negotiationSession.getOpponentBidHistory().getLastBidDetails()
                                        .getMyUndiscountedUtil();
                        double lastMyBidUtil = negotiationSession.getOwnBidHistory().getLastBidDetails().getMyUndiscountedUtil();
                        double nextMyBidUtil = offeringStrategy.getNextBid().getMyUndiscountedUtil();

                        if ((lastOpponentBidUtil * 1.03 >= lastMyBidUtil) || (lastOpponentBidUtil > nextMyBidUtil)
                                        || (lastOpponentBidUtil == maxUtilInDomain)) {
                                return Actions.Accept;
                        }
                }
                return Actions.Reject;
        }

        @Override
        public String getName() {
                return "2010 - AgentFSEGA";
        }
}