diff -r 9f0b95aafaa3 -r ed84c8bdd87b org/sonews/daemon/AbstractDaemon.java --- a/org/sonews/daemon/AbstractDaemon.java Sun Aug 29 17:04:25 2010 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,101 +0,0 @@ -/* - * SONEWS News Server - * see AUTHORS for the list of contributors - * - * 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 . - */ - -package org.sonews.daemon; - -import java.sql.SQLException; -import org.sonews.storage.StorageManager; -import org.sonews.util.Log; - -/** - * Base class of all sonews threads. - * Instances of this class will be automatically registered at the ShutdownHook - * to be cleanly exited when the server is forced to exit. - * @author Christian Lins - * @since sonews/0.5.0 - */ -public abstract class AbstractDaemon extends Thread -{ - - /** This variable is write synchronized through setRunning */ - private boolean isRunning = false; - - /** - * Protected constructor. Will be called by derived classes. - */ - protected AbstractDaemon() - { - setDaemon(true); // VM will exit when all threads are daemons - setName(getClass().getSimpleName()); - } - - /** - * @return true if shutdown() was not yet called. - */ - public boolean isRunning() - { - synchronized(this) - { - return this.isRunning; - } - } - - /** - * Marks this thread to exit soon. Closes the associated JDBCDatabase connection - * if available. - * @throws java.sql.SQLException - */ - public void shutdownNow() - throws SQLException - { - synchronized(this) - { - this.isRunning = false; - StorageManager.disableProvider(); - } - } - - /** - * Calls shutdownNow() but catches SQLExceptions if occurring. - */ - public void shutdown() - { - try - { - shutdownNow(); - } - catch(SQLException ex) - { - Log.get().warning(ex.toString()); - } - } - - /** - * Starts this daemon. - */ - @Override - public void start() - { - synchronized(this) - { - this.isRunning = true; - } - super.start(); - } - -}