//$Header: /home/deegree/jail/deegreerepository/deegree/src/org/deegree/io/datastore/schema/MappedFeatureTypeReference.java,v 1.8 2006/08/24 06:40:05 poth Exp $
/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, 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;
import org.deegree.datatypes.QualifiedName;
/**
* Represents a reference to a {@link MappedFeatureType}.
* <p>
* The reference may be resolved or not. If it is resolved, the referenced
* {@link MappedFeatureType} is accessible, otherwise only the name of the type is available.
*
* @author <a href="mailto:schneider@lat-lon.de">Markus Schneider </a>
* @author last edited by: $Author: poth $
*
* @version $Revision: 1.8 $, $Date: 2006/08/24 06:40:05 $
*/
public class MappedFeatureTypeReference {
private QualifiedName featureTypeName;
private MappedFeatureType featureType;
private boolean isResolved;
/**
* Creates an unresolved <code>MappedFeatureTypeReference</code>.
*
* @param featureTypeName
*/
public MappedFeatureTypeReference( QualifiedName featureTypeName ) {
this.featureTypeName = featureTypeName;
}
/**
* Returns the name of the referenced {@link MappedFeatureType}.
*
* @return the name of the referenced feature type
*/
public QualifiedName getName() {
return this.featureTypeName;
}
/**
* Returns true, if the reference has been resolved.
* <p>
* If this method returns true, {@link #getFeatureType()} will return the correct
* {@link MappedFeatureType} instance.
*
* @return true, if the reference has been resolved, false otherwise
*/
public boolean isResolved() {
return this.isResolved;
}
/**
* Returns the referenced {@link MappedFeatureType}.
* <p>
* This method will only return the correct {@link MappedFeatureType} instance, if
* the reference has been resolved by a call to {@link #resolve(MappedFeatureType)}.
*
* @return the referenced feature type, or null if it has not been resolved
*/
public MappedFeatureType getFeatureType() {
return this.featureType;
}
/**
* Sets the referenced {@link MappedFeatureType} instance.
*
* @param featureType
* @throws RuntimeException
* if the reference has been resolved already
*/
public void resolve( MappedFeatureType featureType ) {
if ( isResolved() ) {
throw new RuntimeException( "MappedFeatureTypeReference to feature type '"
+ featureTypeName + "' has already been resolved." );
}
this.featureType = featureType;
this.isResolved = true;
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: MappedFeatureTypeReference.java,v $
Revision 1.8 2006/08/24 06:40:05 poth
File header corrected
Revision 1.7 2006/08/21 16:40:27 mschneider
Javadoc improvements.
Revision 1.6 2006/07/12 14:46:14 poth
comment footer added
********************************************************************** */