/*
* eXist Open Source Native XML Database
* Copyright (C) 2007 The eXist Project
* http://exist-db.org
*
* This program 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
* of the License, or (at your option) any later version.
*
* This program 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 program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* $Id$
*
* @author Pierrick Brihaye <pierrick.brihaye@free.fr>
*/
package org.exist.xquery;
/** Expressions that use an index to speed-up their evaluation may implement this interface.
* Tt will help index-related pragmas like (# exist:force-index-use #) { foo }
*
* Probably to be merged with org.exist.xquery.Optimizable in the future.
*
* @author brihaye
*
*/
public interface IndexUseReporter {
public boolean hasUsedIndex();
}