xpathprocessor.java

用Java写的面相对象的数据库管理系统

// You can redistribute this software and/or modify it under the terms of
// the Ozone Library License version 1 published by ozone-db.org.
//
// The original code and portions created by SMB are
// Copyright (C) 1997-2000 by SMB GmbH. All rights reserved.
//
// $Id: XPathProcessor.java,v 1.5 2000/10/28 16:55:25 daniela Exp $

package org.ozoneDB.xml.xpath;

import java.io.Externalizable;
import org.xml.sax.SAXException;
import org.w3c.dom.Node;


/**
 * Common interface of all XPath processors that ozone is able to work with.
 * 
 * 
 * @version $Revision: 1.5 $ $Date: 2000/10/28 16:55:25 $
 * @author <a href="http://www.softwarebuero.de">SMB</a>
 */
public interface XPathProcessor  {
    
    /**
     * Executes the specified query. All parameters of the query are stored in
     * the given query object.
     * 
     * 
     * @param _query The query to execute.
     * @param _rootNode
     * @exception SAXException If any error occurs.
     * @return The XObject insulating the query result.
     */
    public XObject execute( XPathQuery _query, Node _rootNode ) throws SAXException;
    
}