source: src/test/java/agents/nastyagent/UnknownValue.java@ 209

package agents.nastyagent;

import java.util.List;

import genius.core.Bid;
import genius.core.actions.Action;
import genius.core.actions.Offer;
import genius.core.issue.Issue;
import genius.core.issue.IssueDiscrete;
import genius.core.issue.Value;
import genius.core.issue.ValueDiscrete;

/**
 * returns a deliberately miscrafted bid that contains an slightly altered value
 * that is not in the domain description. It only works if it finds an
 * issueDiscrete.
 * 
 * @author W.Pasman 2nov15
 *
 */
public class UnknownValue extends NastyAgent {
        @Override
        public Action chooseAction(List<Class<? extends Action>> possibleActions) {
                Bid bid = bids.get(0);

                int issuenr = -1;
                for (Issue issue : bid.getIssues()) {
                        if (issue instanceof IssueDiscrete) {
                                issuenr = issue.getNumber();
                                break;
                        }
                }
                if (issuenr >= 0) {
                        // found an issue Discrete, modify it.
                        Value value;
                        try {
                                value = bid.getValue(issuenr);
                        } catch (Exception e) {
                                throw new IllegalStateException(e);
                        }

                        bid = bid.putValue(issuenr, new ValueDiscrete("new" + ((ValueDiscrete) value).getValue()));
                } else {
                        throw new IllegalArgumentException("UnknownValue agent needs an IssueDiscrete");
                }

                return new Offer(id, bid);
        }
}