001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/framework/util/Cleaner.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 by:
005 Department of Geography, University of Bonn
006 and
007 lat/lon GmbH
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036 package org.deegree.framework.util;
037
038 import java.util.Timer;
039 import java.util.TimerTask;
040
041 /**
042 * Simple class which performs an action in continuing intervals. per default the garbage collector
043 * will be called. But extending classes can change this behavior by overwriting the run() method.
044 *
045 *
046 * @version $Revision: 18195 $
047 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
048 */
049 public class Cleaner extends TimerTask {
050
051 /**
052 * Creates a new instance of Cleaner, which will have a delay of 60000 milis
053 *
054 * @param interval
055 * milliseconds the run-method will be continuing called
056 */
057 public Cleaner( int interval ) {
058 Timer timer = new Timer();
059 timer.scheduleAtFixedRate( this, 60000, interval );
060 }
061
062 /**
063 * the run mehtod will be called after the interval (milli seconds) passed to the constructor. An
064 * extending class can overwrite this method to perform something else then the default action.
065 * Per default the garbage collector will be called --> System.gc();
066 */
067 @Override
068 public void run() {
069 System.gc();
070 }
071 }