/*
** This file is part of Filius, a network construction and simulation software.
**
** Originally created at the University of Siegen, Institute "Didactics of
** Informatics and E-Learning" by a students' project group:
** members (2006-2007):
** André Asschoff, Johannes Bade, Carsten Dittich, Thomas Gerding,
** Nadja Haßler, Ernst Johannes Klebert, Michell Weyer
** supervisors:
** Stefan Freischlad (maintainer until 2009), Peer Stechert
** Project is maintained since 2010 by Christian Eibl <filius@c.fameibl.de>
** and Stefan Freischlad
** Filius 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 of the License, or
** (at your option) version 3.
**
** Filius 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 Filius. If not, see <http://www.gnu.org/licenses/>.
*/
package filius.software.clientserver;
import filius.Main;
import filius.software.Anwendung;
import filius.software.transportschicht.Socket;
/**
* Die Klasse ClientAnwendung enthaelt die fuer Clients spezifischen Methoden.
*/
public abstract class ClientAnwendung extends Anwendung {
/**
* der Socket, der zum Nachrichtenaustausch mit dem Server genutzt wird
*/
protected Socket socket = null;
/** Methode zur Abfrage, ob der Socket mit einem Server-Socket
* verbunden ist. <br />
* Diese Methode ist <b>nicht blockierend</b>.
*/
public boolean istVerbunden() {
Main.debug.println("INVOKED ("+this.hashCode()+", T"+this.getId()+") "+getClass()+" (ClientAnwendung), istVerbunden()");
if (socket != null) return socket.istVerbunden();
else return false;
}
/** Diese Methode ruft beenden() der Oberklasse auf und loescht
* die Referenz auf den Socket. Der Socket wird also einfach
* verworfen und nicht geschlossen. <br />
* Diese Methode ist <b>nicht blockierend</b>.
*/
public void beenden() {
Main.debug.println("INVOKED ("+this.hashCode()+", T"+this.getId()+") "+getClass()+" (ClientAnwendung), beenden()");
super.beenden();
if (socket != null) socket.beenden();
}
}