source: src/main/java/genius/core/actions/DefaultActionWithBid.java

package genius.core.actions;

import genius.core.AgentID;
import genius.core.Bid;

/**
 * Default implementation for ActionWithBid
 * 
 * @author W.Pasman
 *
 */
public abstract class DefaultActionWithBid extends DefaultAction implements
                ActionWithBid {
        /** The involved bid. */
        protected Bid bid;

        /**
         * Creates an action symbolizing an offer for the opponent.
         * 
         * @param agentID
         *            id of the agent which created the offer.
         * @param bid
         *            for the opponent.
         */
        public DefaultActionWithBid(AgentID agentID, Bid bid) {
                super(agentID);
                if (bid == null) {
                        throw new NullPointerException("bid can not be null");
                }
                // FIXME we need to check actual Bid class; but we want junit tests to
                // work.
                // if (bid.getClass() != Bid.class) {
                // throw new IllegalArgumentException("Extending Bid is not allowed");
                // }
                this.bid = bid;
        }

        /**
         * Returns the bid offered by the agent which created this offer.
         * 
         * @return bid to offer.
         */
        public Bid getBid() {
                return bid;
        }

        /**
         * @return hashcode of this object.
         */
        @Override
        public int hashCode() {
                final int prime = 31;
                int result = 1;
                result = prime * result + ((bid == null) ? 0 : bid.hashCode());
                return result;
        }

        /**
         * @param obj
         *            object to which this object is compared.
         * @return true if this object is equal to the given object.
         */
        @Override
        public boolean equals(Object obj) {
                if (this == obj)
                        return true;
                if (obj == null)
                        return false;
                if (getClass() != obj.getClass())
                        return false;
                Offer other = (Offer) obj;
                if (bid == null) {
                        if (other.bid != null)
                                return false;
                } else if (!bid.equals(other.bid))
                        return false;
                return true;
        }

        public String getContent() {
                return " bid:" + bid;
        }

}