| /* GameManagerImpl.java -- |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath 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 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.classpath.examples.CORBA.swing.x5; |
| |
| import java.rmi.RemoteException; |
| |
| import org.omg.CORBA.ORB; |
| import org.omg.CORBA.Object; |
| |
| /** |
| * The manager connects two players into the game. |
| * |
| * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) |
| */ |
| public class GameManagerImpl |
| implements GameManager |
| { |
| /** |
| * The game manager IOR. |
| */ |
| static String ior; |
| |
| /** |
| * The game manager ORB. |
| */ |
| static ORB orb; |
| |
| /** |
| * True if the manager started ok. |
| */ |
| static boolean ok; |
| |
| /** |
| * Another player that is already waiting for the game. |
| */ |
| Player queuedPlayer = null; |
| |
| public synchronized void requestTheGame(Player newPlayer) |
| throws RemoteException |
| { |
| System.out.println("Game requested"); |
| |
| if (queuedPlayer == null) |
| { |
| // No other player so far. |
| newPlayer.receive_chat(ChatConstants.GAME_SERVER, |
| "Request registered, waiting for the other player to come..."); |
| System.out.println("Player queued."); |
| queuedPlayer = newPlayer; |
| } |
| else if (queuedPlayer.equals(newPlayer)) |
| { |
| // The same player applies again. |
| newPlayer.receive_chat(ChatConstants.GAME_SERVER, |
| "No other player so far... Please wait."); |
| } |
| else |
| { |
| // As the queued player waited for the game, we allow him/her |
| // to start the game. This is a reward for waiting. |
| newPlayer.receive_chat(ChatConstants.GAME_SERVER, |
| "The other player is waiting. The game started, your " |
| + "partner begins..."); |
| queuedPlayer.receive_chat(ChatConstants.GAME_SERVER, |
| "The other player arrived. Lets play, you begin the game now..."); |
| |
| newPlayer.start_game(queuedPlayer, false); |
| queuedPlayer.start_game(newPlayer, true); |
| |
| queuedPlayer = null; |
| System.out.println("Players connected."); |
| } |
| } |
| |
| /** |
| * Unregister the player who left and is no longer waiting for another side. |
| */ |
| public void unregister(Player player) |
| throws RemoteException |
| { |
| if (queuedPlayer != null) |
| { |
| // We need to verify the identity of the player being unregistered. |
| // The stubs, being derived from the org.omg.CORBA.Object, have the |
| // method for this. This method compares the player host address, |
| // used port and the object key. |
| if (player instanceof Object && queuedPlayer instanceof Object) |
| { |
| Object a = (Object) player; |
| Object b = (Object) queuedPlayer; |
| |
| if (a._is_equivalent(b)) |
| queuedPlayer = null; |
| } |
| else |
| queuedPlayer = null; |
| } |
| System.out.println("Unregistering player"); |
| } |
| } |