//$Header: /home/deegree/jail/deegreerepository/deegree/src/org/deegree/ogcbase/IndexStep.java,v 1.2 2006/04/06 20:25:22 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.ogcbase;
import org.deegree.datatypes.QualifiedName;
/**
* PropertyPathStep implementation that selects a specified occurence of an element (using the
* property name as element name).
*
* @author <a href="mailto:schneider@lat-lon.de">Markus Schneider </a>
*
* @author last edited by: $Author: poth $
*
* @version 2.0, $Revision: 1.2 $, $Date: 2006/04/06 20:25:22 $
*
* @since 2.0
*
* @see PropertyPathStep
*/
public class IndexStep extends PropertyPathStep {
private int selectedIndex;
/**
* Creates a new instance of <code>PropertyPathStep</code> that selects the specified
* occurence of the element with the given name.
*
* @param elementName
* @param selectedIndex
*/
IndexStep( QualifiedName elementName, int selectedIndex ) {
super (elementName);
this.selectedIndex = selectedIndex;
}
/**
* Returns the index of the selected element.
*
* @return the index of the selected element
*/
public int getSelectedIndex() {
return this.selectedIndex;
}
/**
* Returns a hash code value for the object.
*
* @return a hash code value for the object
*/
public int hashCode() {
return this.selectedIndex
+ this.propertyName.hashCode();
}
/**
* Indicates whether some other object is "equal to" this one.
*
* @return true if this object is the same as the obj argument; false otherwise
*/
public boolean equals( Object obj ) {
if ( !( obj instanceof IndexStep ) ) {
return false;
}
IndexStep that = (IndexStep) obj;
return this.getSelectedIndex() == that.getSelectedIndex()
&& this.getPropertyName().equals( that.getPropertyName() );
}
/**
* Returns a string representation of the object.
*
* @return string representation of the object
*/
public String toString() {
return this.propertyName.getAsString() + "[" + this.selectedIndex + "]";
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: IndexStep.java,v $
Revision 1.2 2006/04/06 20:25:22 poth
*** empty log message ***
Revision 1.1 2006/04/04 10:34:10 mschneider
Added handling of attributes to PropertyPaths.
********************************************************************** */