    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/io/datastore/schema/content/MappingGeometryField.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    package org.deegree.io.datastore.schema.content;
    037
    038    /**
    039     * Encapsulates a geometry field of the backend (e.g. an SQL table column).
    040     *
    041     * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider </a>
    042     * @author last edited by: $Author: mschneider $
    043     *
    044     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
    045     */
    046    public class MappingGeometryField extends MappingField {
    047
    048        private int srs;
    049
    050        /**
    051         * Creates a new instance of <code>MappingGeometryField</code> from the given parameters.
    052         *
    053         * @param table
    054         * @param field
    055         * @param typeCode
    056         * @param srs
    057         *            -1: no SRS information available
    058         */
    059        public MappingGeometryField( String table, String field, int typeCode, int srs ) {
    060            super( table, field, typeCode );
    061            this.srs = srs;
    062        }
    063
    064        /**
    065         * Returns false, because a geometry db field is not suitable as a sort criterion.
    066         *
    067         * @return false, because a geometry db field is not suitable as a sort criterion
    068         */
    069        @Override
    070        public boolean isSortable () {
    071            return false;
    072        }
    073
    074        /**
    075         * Always returns false.
    076         *
    077         * @return false
    078         */
    079        @Override
    080        public boolean isNumeric() {
    081            return false;
    082        }
    083
    084        /**
    085         * Returns the vendor dependent descriptor for the SRS of the stored geometries.
    086         *
    087         * @return vendor dependent descriptor for the SRS, may be null
    088         */
    089        public int getSRS() {
    090            return this.srs;
    091        }
    092    }