001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/model/spatialschema/BoundaryImpl.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2006 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstr. 19
030 53115 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042
043 ---------------------------------------------------------------------------*/
044 package org.deegree.model.spatialschema;
045
046 import java.io.Serializable;
047
048 import org.deegree.model.crs.CoordinateSystem;
049
050
051 /**
052 * default implementation of the Boundary interface. The class is
053 * abstract because there isn't a boundary without a geometry type.
054 * Concrete implementations are <tt>CurveBoundary</tt> or
055 * <tt>SurfaceBoundary</tt> for example.
056 *
057 * <p>------------------------------------------------------------</p>
058 * @version 5.6.2001
059 * @author Andreas Poth
060 * <p>
061 */
062 abstract class BoundaryImpl extends GeometryImpl implements Boundary, Serializable {
063 /** Use serialVersionUID for interoperability. */
064 private final static long serialVersionUID = -6057663115928108209L;
065
066 /**
067 * @param crs the reference system
068 */
069 public BoundaryImpl( CoordinateSystem crs ) {
070 super( crs );
071 }
072
073 /** A geometric object, which has no boundary
074 * is a cycle.
075 */
076 public boolean isCycle() {
077 return true;
078 }
079 }/* ********************************************************************
080 Changes to this class. What the people have been up to:
081 $Log$
082 Revision 1.7 2006/09/19 07:20:03 bezema
083 changed srs in crs
084
085 Revision 1.6 2006/07/12 14:46:15 poth
086 comment footer added
087
088 ********************************************************************** */