CRDTMessage.java

/**
 * Replication Benchmarker
 * https://github.com/score-team/replication-benchmarker/
 * Copyright (C) 2013 LORIA / Inria / SCORE Team
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package crdt;

import java.io.Serializable;

/**
 *
 * @author urso
 */
public interface CRDTMessage extends Cloneable, Serializable {
    public static CRDTMessage emptyMessage = new CRDTMessage() {

        @Override
        public CRDTMessage concat(CRDTMessage msg) {
            return msg;
        }

        @Override
        public void execute(CRDT crdt) {
        }

        @Override
        public CRDTMessage clone() {
            return this; 
        }

        @Override
        public int size() {
            return 1;
        }
    };
    
    public CRDTMessage concat(CRDTMessage msg);

    public void execute(CRDT crdt);
    public CRDTMessage clone();
    
    /**
     * Number of messages embeded in this one.
     */
    public int size();
}