queryparser.java

MG4J (Managing Gigabytes for Java) is a free full-text search engine for large document collections

package it.unimi.dsi.mg4j.query.parser;

import it.unimi.dsi.mg4j.query.nodes.Query;
import it.unimi.dsi.lang.FlyweightPrototype;

/*		 
 * MG4J: Managing Gigabytes for Java
 *
 * Copyright (C) 2006-2007 Sebastiano Vigna 
 *
 *  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 program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */

/** A parser transforming query strings in composite {@link it.unimi.dsi.mg4j.query.nodes.Query}
 * objects.
 * 
 * @author Sebastiano Vigna
 */

public interface QueryParser extends FlyweightPrototype<QueryParser> {

	public Query parse( String query ) throws QueryParserException;
	
	public QueryParser copy();
}