source: ai2020/group6/DecreasingOrderBiddingStrategy.java@ 4

package ai2020.group6;

import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import geniusweb.issuevalue.Bid;
import geniusweb.profile.DefaultPartialOrdering;

/**
 * DecreasingOrderBiddingStrategy generates a sorted list of possible bids and
 * each round goes down this list.
 * 
 * @author Group 6
 */
public class DecreasingOrderBiddingStrategy implements IBiddingStrategy {
        
        List<Bid> bidlist = null;
        
        @Override
        public Bid generateBid ( MAState state ) {
                if ( bidlist == null ) {
                        DefaultPartialOrdering dpo = (DefaultPartialOrdering) state.getProfile();
                        bidlist = dpo.getBids();
                        Collections.sort(bidlist, new Comparator<Bid>() {
                                @Override
                                public int compare(Bid b1, Bid b2) {
                                        return dpo.isPreferredOrEqual(b1, b2) ? -1 : 1;
                                }
                        });
                }
                
                return bidlist.remove(0);
        }

}