ozoneattributeimpl.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: OzoneAttributeImpl.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.OzoneCompatible;
import org.ozoneDB.OzoneInterface;
import org.ozoneDB.OzoneRemote;
import org.ozoneDB.OzoneRemoteException;
import org.ozoneDB.xml.dom4j.OzoneAttribute;

/**
 *
 * @author Per Nyfelt
 */
public class OzoneAttributeImpl extends DefaultAttribute implements OzoneAttribute, OzoneCompatible {

    final static long serialVersionUID = 1L;

    public static OzoneAttribute create(OzoneInterface db, QName qname) {
        return (OzoneAttribute) db.createObject(OzoneAttributeImpl.class,
                new Class[] {QName.class},
                new Object[]{qname});
    }

    public OzoneAttributeImpl(QName qname) {
        super(qname);
    }

    public static OzoneAttribute create(OzoneInterface db, QName qname, String value) {
        final Class[] signature = new Class[] {QName.class, String.class};
        System.out.println("creating OzoneAttribute: qname=" + qname + " , value=" + value);
        Object obj = db.createObject(OzoneAttributeImpl.class,
                signature,
                new Object[]{qname, value});
        System.out.println("OzoneAttribute: " + obj);
        return (OzoneAttribute) obj;
    }

    public OzoneAttributeImpl(QName qname, String value) {
        super(qname, value);
    }

    public static OzoneAttribute create(OzoneInterface db, Element parent, QName qname, String value) {
        final Class[] signature = new Class[] {Element.class, QName.class, String.class};
        return (OzoneAttribute) db.createObject(OzoneAttributeImpl.class,
                signature,
                new Object[]{parent, qname, value});
    }

    public OzoneAttributeImpl(Element parent, QName qname, String value) {
        super(parent, qname, value);
        //System.out.println("[" + this.getClass() + "] constructed");
    }


    public static OzoneAttribute create(OzoneInterface db, String name, String value) {
        final Class[] signature = new Class[] {NodeFactory.class, String.class, String.class};
        NodeFactory nodeFactory = OzoneDocumentFactoryImpl.getInstance(db);
        return (OzoneAttribute) db.createObject(OzoneAttributeImpl.class,
                signature,
                new Object[]{nodeFactory, name, value});
    }

    /** Creates the <code>Attribute</code> with the specified local name
     * and value.
     *
     * @param name is the name of the attribute
     * @param value is the value of the attribute
     */
    public OzoneAttributeImpl(NodeFactory nodeFactory, String name, String value) {
        super(nodeFactory, name, value);
    }

    public static OzoneAttribute create(OzoneInterface db, String name, String value, Namespace namespace) {
        final Class[] signature = new Class[] {NodeFactory.class,
                String.class, String.class, Namespace.class};
        NodeFactory nodeFactory = OzoneDocumentFactoryImpl.getInstance(db);
        return (OzoneAttribute) db.createObject(OzoneAttributeImpl.class,
                signature,
                new Object[]{nodeFactory, name, value, namespace});
    }

    /** Creates the <code>Attribute</code> with the specified local name,
     * value and <code>AbstractNamespace</code>.
     *
     * @param name is the name of the attribute
     * @param value is the value of the attribute
     * @param namespace is the namespace of the attribute
     */
    public OzoneAttributeImpl(NodeFactory nodeFactory, String name, String value, Namespace namespace) {
        super(nodeFactory, name, value, namespace);
    }

    public static OzoneAttribute create(OzoneInterface db, Element parent, String name, String value, Namespace namespace) {
        final Class[] signature = new Class[] {NodeFactory.class,
                Element.class, String.class, String.class, Namespace.class};
        NodeFactory nodeFactory = OzoneDocumentFactoryImpl.getInstance(db);
        return (OzoneAttribute) db.createObject(OzoneAttributeImpl.class,
                signature,
                new Object[]{nodeFactory, parent, name, value, namespace});
    }

    public OzoneAttributeImpl(NodeFactory nodeFactory, Element parent, String name, String value, Namespace namespace) {
        super(nodeFactory, parent, name, value, namespace);
    }

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

    public Object clone() {
        try {
            Node answer = (Node) database().copyObject(self());
            answer.setDocument(null);
            answer.setParent(null);
            return answer;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    public void onCreate() {
    }

    public void onActivate() {
    }

    public void onPassivate() {
    }

    public void onDelete() {
        database().deleteObject((OzoneRemote) getQName());
    }

}