001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/model/filterencoding/Filter.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    
037    package org.deegree.model.filterencoding;
038    
039    import org.deegree.model.feature.Feature;
040    
041    /**
042     * Marker interface for filters from the Filter Encoding Specification.
043     *
044     * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider</a>
045     * @author last edited by: $Author: mschneider $
046     *
047     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
048     */
049    public interface Filter {
050    
051        /**
052         * Calculates the <code>Filter</code>'s logical value based on the certain property values of the given feature.
053         *
054         * @param feature
055         *            determines the values of <code>PropertyNames</code> in the expression
056         * @return true, if the <code>Filter</code> evaluates to true, else false
057         * @throws FilterEvaluationException
058         *             if the evaluation fails
059         */
060        boolean evaluate( Feature feature )
061                                throws FilterEvaluationException;
062    
063        /**
064         * Produces an XML representation of this object.
065         *
066         * @deprecated use {@link #to100XML()} or {link {@link #to110XML()} instead
067         * @return an XML representation of this object
068         */
069        public StringBuffer toXML();
070    
071        /**
072         * Produces an XML representation of this object that complies to Filter Encoding specification 1.0.0.
073         *
074         * @return an XML representation of this object
075         */
076        public StringBuffer to100XML();
077    
078        /**
079         * Produces an XML representation of this object that complies to Filter Encoding specification 1.1.0.
080         *
081         * @return an XML representation of this object
082         */
083        public StringBuffer to110XML();
084    }