statementhandler.java

这是外国一个开源推理机

/*  Sesame - Storage and Querying architecture for RDF and RDF Schema
 *  Copyright (C) 2001-2005 Aduna
 *
 *  Contact: 
 *  	Aduna
 *  	Prinses Julianaplein 14 b
 *  	3817 CS Amersfoort
 *  	The Netherlands
 *  	tel. [phone]
 *  	fax. [phone]
 *
 *  	http://aduna.biz/
 *  	http://www.openrdf.org/
 *  
 *  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
 */

package org.openrdf.rio;

import org.openrdf.model.Resource;
import org.openrdf.model.URI;
import org.openrdf.model.Value;

/**
 * An interface defining methods for receiving RDF statements from an RDF
 * parser.
 **/
public interface StatementHandler {

	/**
	 * Called by an RDF parser when it has parsed a statement. The type of the
	 * subject, predicate and object is determined by the ValueFactory that
	 * the parser uses.
	 *
	 * @param subject A URI or bNode.
	 * @param predicate A URI.
	 * @param object A URI, bNode or literal.
	 * @exception StatementHandlerException If the statement handler has
	 * encountered an unrecoverable error.
	 *
	 * @see org.openrdf.model.ValueFactory
	 * @see org.openrdf.rio.Parser
	 **/
	public void handleStatement(Resource subject, URI predicate, Value object)
		throws StatementHandlerException;
}