//$Header: /home/deegree/jail/deegreerepository/deegree/src/org/deegree/model/filterencoding/Filter.java,v 1.6 2006/07/26 16:11:16 mschneider Exp $
/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstraße 19
53177 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.model.filterencoding;
import org.deegree.model.feature.Feature;
/**
* Marker interface for filters from the Filter Encoding Specification.
*
* @author <a href="mailto:schneider@lat-lon.de">Markus Schneider</a>
*
* @author last edited by: $Author: mschneider $
*
* @version $Revision: 1.6 $, $Date: 2006/07/26 16:11:16 $
*/
public interface Filter {
/**
* Calculates the <code>Filter</code>'s logical value based on the certain
* property values of the given feature.
*
* @param feature
* determines the values of <code>PropertyNames</code> in the
* expression
* @return true, if the <code>Filter</code> evaluates to true, else false
* @throws FilterEvaluationException
* if the evaluation fails
*/
boolean evaluate(Feature feature) throws FilterEvaluationException;
/**
* Produces an XML representation of this object.
*
* @return an XML representation of this object
*/
public StringBuffer toXML();
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: Filter.java,v $
Revision 1.6 2006/07/26 16:11:16 mschneider
Fixed header. Improved javadoc.
Revision 1.5 2006/07/12 14:46:14 poth
comment footer added
********************************************************************** */