001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/model/filterencoding/Operation.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 *
043 * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider</a>
044 * @author last edited by: $Author: mschneider $
045 *
046 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
047 */
048 public interface Operation {
049
050 /**
051 * Returns the name of the operator.
052 *
053 * @return the name of the operator.
054 */
055 String getOperatorName();
056
057 /**
058 * Returns the operator's id.
059 *
060 * @return the operator's id.
061 */
062 int getOperatorId();
063
064 /**
065 * Calculates the <tt>Filter</tt>'s logical value based on the certain property values of the given feature.
066 *
067 * @param feature
068 * that determines the values of <tt>PropertyNames</tt> in the expression
069 * @return true, if the <tt>Filter</tt> evaluates to true, else false
070 * @throws FilterEvaluationException
071 * if the evaluation fails
072 */
073 public boolean evaluate( Feature feature )
074 throws FilterEvaluationException;
075
076 /**
077 * Produces an XML representation of this object.
078 *
079 * @return an XML representation of this object.
080 */
081 public StringBuffer toXML();
082
083 /**
084 * Produces an XML representation of this object that complies to Filter Encoding specification 1.0.0.
085 *
086 * @return an XML representation of this object
087 */
088 public StringBuffer to100XML();
089
090 /**
091 * Produces an XML representation of this object that complies to Filter Encoding specification 1.1.0.
092 *
093 * @return an XML representation of this object
094 */
095 public StringBuffer to110XML();
096 }