source: src/main/java/parties/in4010/q12015/group10/AcceptanceStrategy.java@ 3

package parties.in4010.q12015.group10;

import java.util.List;

import genius.core.AgentID;
import genius.core.actions.Accept;
import genius.core.actions.Action;
import genius.core.actions.Offer;
import genius.core.bidding.BidDetails;

public class AcceptanceStrategy {
        /**
         * support function to create action
         * 
         * @param validActions
         * @param detailsOfPotentialBid
         * @param detailsOfLatestBidOnTable
         * @param agent
         *            the agent ID, needed to create the actions on behalf of this
         *            agent.
         * @return
         */
        static Action getAction(List<Class<? extends Action>> validActions,
                        BidDetails detailsOfPotentialBid,
                        BidDetails detailsOfLatestBidOnTable, AgentID agent) {
                // Check if we are allowed to accept. We're not allowed to do this when
                // we are the first party to make a bid.
                boolean acceptingIsAllowed = validActions.contains(Accept.class);

                double minUtilityAlwaysAccept = 0.95;

                if (acceptingIsAllowed) {
                        // We're not the first: So we can accept, offer, or deny.
                        double offeredUtilVal = detailsOfLatestBidOnTable
                                        .getMyUndiscountedUtil();
                        double PotentialUtilVal = detailsOfPotentialBid
                                        .getMyUndiscountedUtil();

                        // If the value we are getting by accepting is higher than what we
                        // would get using our own new offer, we accept.
                        // We also accept if the utility is higher than our value that we
                        // also accept
                        if (offeredUtilVal >= PotentialUtilVal
                                        || offeredUtilVal >= minUtilityAlwaysAccept) {
                                return new Accept(agent, detailsOfPotentialBid.getBid());
                        } else {
                                detailsOfLatestBidOnTable = detailsOfPotentialBid;
                                return new Offer(agent, detailsOfPotentialBid.getBid());
                        }
                } else {
                        // We are not allowed to accept. We can still offer or deny. Right
                        // now only offering is implemented.
                        detailsOfLatestBidOnTable = detailsOfPotentialBid;
                        return new Offer(agent, detailsOfPotentialBid.getBid());
                }
        }
}