source: src/main/java/agents/OptimalBidderSimple.java@ 256

/** 
 *      OptimalBidder: using the optimal stopping rule (cutoffs) for bidding. 
 *      B_{j+1} = 1/2 + 1/2 B_j^2
 * 
 * 
 * 
 * @author rafik                
 ************************************************************************************************************************************/

package agents;

import java.util.HashMap;

import genius.core.SupportedNegotiationSetting;
import genius.core.issue.ISSUETYPE;
import genius.core.issue.IssueDiscrete;
import genius.core.issue.Value;
import genius.core.issue.ValueDiscrete;

public class OptimalBidderSimple extends OptimalBidder {
        @Override
        public void init() {
                partitions = 1000;
                rv = utilitySpace.getReservationValue();
                super.init();
        }

        @Override
        public String getName() {
                return "Optimal Bidder Simple";
        }

        /**
         * computation of the bid for round j as in prop 4.3
         * 
         * @param round
         *            j
         * @return bid value
         **/
        @Override
        public double bid(int j) {
                if (j == 1)
                        return 0.5 + 0.5 * rv;
                else
                        return 0.5 + 0.5 * Math.pow(bid(j - 1), 2);
        }

        /**
         * Getting the issue's values
         * 
         * @param void
         * @return void
         * @throws Exception
         **/
        @Override
        public void getValues() throws Exception {
                if (pie.getType().equals(ISSUETYPE.DISCRETE)) {
                        IssueDiscrete discrete_pie = (IssueDiscrete) pie;
                        int nvalues = discrete_pie.getNumberOfValues();
                        print("   #values = " + nvalues);
                        values = new HashMap<Integer, Value>(nvalues);
                        for (int i = 0; i < nvalues; i++) {
                                ValueDiscrete value = discrete_pie.getValue(i);
                                values.put(i, value);
                                // print( " values[" + i + "] = " + value);
                        }
                } else {
                        throw new Exception(
                                        "Type " + pie.getType() + " not supported by " + getName());
                }
        }

        @Override
        public String getVersion() {
                return "v1.0";
        }

        @Override
        public SupportedNegotiationSetting getSupportedNegotiationSetting() {
                return SupportedNegotiationSetting.getLinearUtilitySpaceInstance();
        }

        @Override
        public String getDescription() {
                return "using the optimal stopping rule (cutoffs) for bidding";
        }

}