o3qname.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: O3QName.java,v 1.1 2003/11/02 18:10:03 per_nyfelt Exp $
package org.ozoneDB.xml.dom4j.o3impl;

import org.dom4j.*;
import org.ozoneDB.OzoneInterface;
import org.ozoneDB.OzoneRemoteException;
import org.ozoneDB.xml.dom4j.OzoneDocumentFactory;

import java.io.Serializable;

/**
 *
 * @author Per Nyfelt
 */
public class O3QName extends DefaultQName implements Serializable {

    final static long serialVersionUID = 1L;
    //private static final String SEP = OPP.SIGNATURE_DELIMITER;

    private transient OzoneInterface db;
    //private OzoneObject ozoneObject;

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

    public static QName create(OzoneInterface db, String name) {
//        return (OzoneQName) db.createObject(O3QName.class,
//                String.class.getName(),
//                new Object[]{name});
        NodeFactory nodeFactory = OzoneDocumentFactoryImpl.getInstance(db);
        O3QName obj = new O3QName(name, nodeFactory);
        obj.db = db;
        return obj;
    }

    public O3QName(String name, NodeFactory nodeFactory) {
        super(name, nodeFactory);
        init();
    }

    public static QName create(OzoneInterface db, String name, Namespace namespace) {
//        final String signature = String.class.getName() + SEP + AbstractNamespace.class.getName();
//        return (OzoneQName) db.createObject(O3QName.class,
//                signature,
//                new Object[]{name, namespace});
        NodeFactory nodeFactory = OzoneDocumentFactoryImpl.getInstance(db);
        O3QName obj = new O3QName(name, namespace, nodeFactory);
        obj.db = db;
        return obj;
    }

    public O3QName(String name, Namespace namespace, NodeFactory nodeFactory) {
        super(name, namespace, nodeFactory);
        init();
    }

    public static QName create(OzoneInterface db, String name, Namespace namespace, String qualifiedName) {
//        final String signature = String.class.getName()
//                + SEP + AbstractNamespace.class.getName()
//                + SEP + String.class.getName();
//        return (OzoneQName) db.createObject(O3QName.class,
//                signature,
//                new Object[]{name, namespace, qualifiedName});
        NodeFactory nodeFactory = OzoneDocumentFactoryImpl.getInstance(db);
        O3QName obj = new O3QName(name, namespace, qualifiedName, nodeFactory);
        obj.db = db;
        return obj;
    }

    public O3QName(String name, Namespace namespace, String qualifiedName, NodeFactory nodeFactory) {
        super(name, namespace, qualifiedName, nodeFactory);
        init();
    }

    public DocumentFactory getDocumentFactory() {
        throw new OzoneRemoteException("getDocumentFactory will not work in Ozone");
    }

    public NodeFactory getNodeFactory() {
        try {
            // todo: might be faster to return super.getNodeFactory() if it is instanceof OzoneCompatible first
            // before falling back to object for name look-up
            return (NodeFactory) db.objectForName(OzoneDocumentFactory.OBJECT_NAME);
        } catch (Exception e) {
            throw new OzoneRemoteException("NodeFctory not registered" + e.toString());
        }
    }

    protected XPathFactory getXPathFactory() {
        try {
            // todo: might be faster to return super.getXPathFactory() if it is instanceof OzoneCompatible first
            // before falling back to object for name look-up
            return (XPathFactory) db.objectForName(OzoneDocumentFactory.OBJECT_NAME);
        } catch (Exception e) {
            throw new OzoneRemoteException("XPathFactory not registered" + e.toString());
        }
    }

/*    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() {
    }*/
}