001    //$HeadURL: svn+ssh://developername@svn.wald.intevation.org/deegree/base/trunk/resources/eclipse/files_template.xml $
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.model.feature;
037    
038    import org.deegree.datatypes.QualifiedName;
039    
040    /**
041     * TODO add class documentation here
042     * 
043     * @author <a href="mailto:name@deegree.org">Andreas Poth</a>
044     * @author last edited by: $Author: admin $
045     * 
046     * @version $Revision: $, $Date: $
047     */
048    public class GeneratedValueFeatureProperty extends DefaultFeatureProperty {
049    
050        private static final long serialVersionUID = 4550233124091558045L;
051    
052        private ValueGenerator valueGenerator;
053    
054        /**
055         * @param name
056         * @param valueGenerator
057         */
058        public GeneratedValueFeatureProperty( QualifiedName name, ValueGenerator valueGenerator ) {
059            super( name, null );
060            this.valueGenerator = valueGenerator;
061            super.setValue( this.valueGenerator.generate() );
062        }
063    
064        /**
065         * changes behavior of super class {@link #setValue(Object)} method. Passed value will be ignored; instead of this @see
066         * {@link ValueGenerator#generate()} will be invoked and generated value will be passed
067         */
068        @Override
069        public void setValue( Object value ) {
070            if ( this.valueGenerator != null ) {
071                super.setValue( this.valueGenerator.generate() );
072            }
073        }
074    }