/*

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

  *

  * The contents of this file are subject to the terms of either the GNU

  * General Public License Version 2 only ("GPL") or the Common

  * Development and Distribution License("CDDL") (collectively, the

  * "License"). You may not use this file except in compliance with the

  * License. You can obtain a copy of the License at

  * http://www.netbeans.org/cddl-gplv2.html

  * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

  * specific language governing permissions and limitations under the

  * License.  When distributing the software, include this License Header

  * Notice in each file and include the License file at

  * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Sun in the GPL Version 2 section of the License file that

  * accompanied this code. If applicable, add the following below the

  * License Header, with the fields enclosed by brackets [] replaced by

  * your own identifying information:

  * "Portions Copyrighted [year] [name of copyright owner]"

  *

  * Contributor(s):

  *

  * Portions Copyrighted 2009 Jaroslav Tulach

  */

 package cz.xelfi.quoridor.webidor;

 import java.util.Comparator;

 import java.util.Date;

 import java.util.UUID;

 import javax.xml.bind.annotation.XmlAccessType;

 import javax.xml.bind.annotation.XmlAccessorType;

 import javax.xml.bind.annotation.XmlAttribute;

 import javax.xml.bind.annotation.XmlID;

 import javax.xml.bind.annotation.XmlRootElement;

 /** Basic identification of a game.

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 @XmlRootElement

 @XmlAccessorType(XmlAccessType.FIELD)

 public class GameId {

     public static final Comparator<GameId> NEWEST_FIRST = new NewestFirst();

     @XmlAttribute

     private String white;

     @XmlAttribute

     private String black;

     @XmlAttribute

     private long started;

     @XmlAttribute

     private long modified;

     @XmlAttribute

     private GameStatus status;

     @XmlID @XmlAttribute

     private String id;

     @XmlAttribute

     private int comments;

     GameId() {

     }

     public GameId(String first, String second) {

         this(first, second, new Date());

     }

     private GameId(String first, String second, Date d) {

         this(

             UUID.randomUUID().toString(),

             first, second, d, d, GameStatus.whiteMove, 0

         );

     }

     public GameId(String id, String first, String second, Date started, Date last, GameStatus result, int comments) {

         this.white = first;

         this.black = second;

         this.id = id;

         this.started = started.getTime();

         this.modified = last.getTime();

         this.status = result;

         this.comments = comments;

     }

     public String getId() {

         return id;

     }

     public String getWhite() {

         return white;

     }

     public String getBlack() {

         return black;

     }

     public long getStarted() {

         return started;

     }

     public long getModified() {

         return modified;

     }

     public GameStatus getStatus() {

         return status;

     }

     public int getComments() {

         return comments;

     }

     private static final class NewestFirst implements Comparator<GameId> {

         public int compare(GameId o1, GameId o2) {

             if (o1 == o2) {

                 return 0;

             }

             long diff = o2.getModified() - o1.getModified();

             if (diff != 0) {

                 return diff < 0 ? -1 : 1;

             }

             return o1.getId().compareTo(o2.getId());

         }

     }

 }