//$Header: /home/deegree/jail/deegreerepository/deegree/src/org/deegree/io/datastore/schema/content/ConstantContent.java,v 1.4 2006/09/19 14:52:58 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.io.datastore.schema.content;
import org.deegree.io.datastore.schema.MappedSimplePropertyType;
/**
* Special content class for {@link MappedSimplePropertyType}s that contain constant string
* values.
*
* @author <a href="mailto:schneider@lat-lon.de">Markus Schneider</a>
* @author last edited by: $Author: mschneider $
*
* @version $Revision: 1.4 $, $Date: 2006/09/19 14:52:58 $
*/
public class ConstantContent extends VirtualContent implements FunctionParam {
private String constant;
/**
* Initializes a newly created <code>ConstantContent</code> object so that it represents
* the given {@link String} value.
*
* @param constant
*/
public ConstantContent( String constant ) {
this.constant = constant;
}
/**
* Returns false, because it makes no sense to use a constant as a sort criterion.
*
* @return false, because it makes no sense to use a constant as a sort criterion.
*/
public boolean isSortable () {
return false;
}
/**
* Returns the constant {@link String} that this object contains.
*
* @return constant String that this object contains
*/
public String getValue () {
return this.constant;
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: ConstantContent.java,v $
Revision 1.4 2006/09/19 14:52:58 mschneider
Added abstract base class VirtualContent.
Revision 1.3 2006/09/13 18:22:55 mschneider
Fixed FunctionParam hierarchy.
Revision 1.2 2006/08/29 15:53:18 mschneider
Changed SimpleContent#isVirtual() to SimpleContent#isUpdateable(). Added #isSortable().
Revision 1.1 2006/08/23 16:30:45 mschneider
Initial version.
********************************************************************** */