001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/framework/util/Cleaner.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2008 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstr. 19
030 53115 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042
043 ---------------------------------------------------------------------------*/
044 package org.deegree.framework.util;
045
046 import java.util.Timer;
047 import java.util.TimerTask;
048
049
050 /**
051 * Simple class which performs an action in continuing intervals. per default
052 * the garbage collector will be called. But extending classes can change this
053 * behavior by overwriting the run() method.
054 *
055 *
056 * @version $Revision: 9339 $
057 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
058 */
059 public class Cleaner extends TimerTask {
060
061 /**
062 * Creates a new instance of Cleaner
063 *
064 * @param interval milliseconds the run-method will be continuing called
065 */
066 public Cleaner( int interval ) {
067 Timer timer = new Timer();
068 timer.scheduleAtFixedRate( this, 60000, interval );
069 }
070
071 /**
072 * the run mehtod will called after the interval (milli seconds) passed
073 * to the constructor. An extending class can overwrite this method to
074 * perform something else then the default action. Per default the garbage
075 * collector will be called --> System.gc();
076 */
077 public void run() {
078 System.gc();
079 }
080 }