--- /dev/null
+/* 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");
+ }
+}
\ No newline at end of file
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