/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2005-2008, Open Source Geospatial Foundation (OSGeo)
*
* 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;
* version 2.1 of the License.
*
* 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.
*/
package org.geotools.filter;
/**
* GeoTools allows for more pervase use of Expression then is strictly
* supported by the specification.
* <p>
* To make the distiniction clear, generic use of Expression for SortBy has
* been issolated to this interface. You shoudl note that this is outside
* of the bounds of the Expression specification, and you will not be able
* to construct valid documents if you use any other expression then
* AttributeExpression.
* </p>
* <p>
* Code that is compatible with the expanded use will indicate
* via acceptance of a SortBy2 parameter. If you are working with a strictly
* standards complient service (like WFS 1.1) it will be limited
* to the use of SortBy.
* <p>
* @author Jody Garnett, Refractions Research.
*
* @source $URL$
*/
@SuppressWarnings("deprecation")
public interface SortBy2 extends SortBy {
/**
* GeoTools allows for more pervase use of Expression then is strictly
* supported by the specification.
*
* @return Will return the same Expression as getAttributeExpression.
*/
public Expression getExpression();
/**
* GeoTools allows for more pervase use of Expression then is strictly
* supported by the specification.
*
*/
public void setExpression(Expression expression);
}