source: events/src/main/java/geniusweb/actions/ElicitComparison.java@ 50

package geniusweb.actions;

import java.util.Collections;
import java.util.LinkedList;
import java.util.List;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

import geniusweb.issuevalue.Bid;

/**
 * Request a comparison from the cob party. The party can do a
 * {@link Comparison} action as a response.
 */
public class ElicitComparison extends ActionWithBid {
        private final List<Bid> options = new LinkedList<>();

        /**
         * @param id   the eliciting party.
         * @param bid  the bid to compare the options with
         * @param opts the available options that may be chosen from. Must not be
         *             null and must have at least 2 options.
         */
        @JsonCreator
        public ElicitComparison(@JsonProperty("actor") PartyId id,
                        @JsonProperty("bid") Bid bid,
                        @JsonProperty("options") List<Bid> opts) {
                super(id, bid);
                if (bid == null)
                        throw new IllegalArgumentException(
                                        "Bid to compare with must not be null");
                if (opts == null || opts.size() < 1) {
                        throw new IllegalArgumentException(
                                        "opts must not be null and have at least 1 option");
                }
                this.options.addAll(opts);
        }

        /**
         * 
         * @return the list of {@link Bid}s to compare {@link #getBid()} with
         */
        public List<Bid> getOptions() {
                return Collections.unmodifiableList(options);
        }

        @Override
        public int hashCode() {
                final int prime = 31;
                int result = super.hashCode();
                result = prime * result + ((options == null) ? 0 : options.hashCode());
                return result;
        }

        @Override
        public boolean equals(Object obj) {
                if (this == obj)
                        return true;
                if (!super.equals(obj))
                        return false;
                if (getClass() != obj.getClass())
                        return false;
                ElicitComparison other = (ElicitComparison) obj;
                if (options == null) {
                        if (other.options != null)
                                return false;
                } else if (!options.equals(other.options))
                        return false;
                return true;
        }

        @Override
        public String toString() {
                return "ElicitComparison[" + getActor() + "," + getBid() + "," + options
                                + "]";

        }

}