ozonexpathimpl.java

Java的面向对象数据库系统的源代码

// 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-@year@ by SMB GmbH. All rights reserved.
//
// $Id: OzoneXPathImpl.java,v 1.2 2003/06/23 11:54:52 per_nyfelt Exp $
package org.ozoneDB.xml.dom4j.xpath;

import org.dom4j.InvalidXPathException;
import org.dom4j.xpath.DefaultXPath;
import org.ozoneDB.OzoneCompatible;
import org.ozoneDB.OzoneInterface;
import org.ozoneDB.OzoneObject;
import org.ozoneDB.OzoneProxy;
import org.ozoneDB.core.ObjectContainer;
import org.ozoneDB.core.ObjectID;
import org.ozoneDB.xml.dom4j.OzoneXPath;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;


/**
 *
 *  @author Per Nyfelt
 */
public class OzoneXPathImpl extends DefaultXPath implements OzoneXPath, OzoneCompatible {

    final static long serialVersionUID = 1L;

    private OzoneObject ozoneObject;

    private void init() {
        ozoneObject = new OzoneObject();
    }

    public static OzoneXPath create(OzoneInterface db, String xpathExpression) {
        return (OzoneXPath) db.createObject(OzoneXPathImpl.class,
                new Class[] {String.class},
                new Object[]{xpathExpression});
    }

    /** Construct an XPath
     */
    public OzoneXPathImpl(String xpathExpression) throws InvalidXPathException {
        super(xpathExpression);
        init();
    }

    public ObjectID getObjectID() {
        return ozoneObject.getObjectID();
    }

    public void setContainer(ObjectContainer _container) {
        ozoneObject.setContainer(_container);
    }

    public ObjectContainer container() {
        return ozoneObject.container();
    }

    public OzoneProxy self() {
        return ozoneObject.self();
    }

    public OzoneInterface database() {
        return ozoneObject.database();
    }

    public boolean toXML(ContentHandler ch) throws SAXException {
        return ozoneObject.toXML(ch);
    }

    public void onCreate() {
    }

    public void onActivate() {
    }

    public void onPassivate() {
    }

    public void onDelete() {
    }
}