dbcopyobj.java

来自「Java的面向对象数据库系统的源代码」· Java 代码 · 共 48 行

// You can redistribute this software and/or modify it under the terms of
// the Ozone Core 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: DbCopyObj.java,v 1.5 2002/12/29 11:15:56 per_nyfelt Exp $

package org.ozoneDB.core.DbRemote;

import org.ozoneDB.OzoneProxy;
import org.ozoneDB.core.ObjectContainer;
import org.ozoneDB.core.Transaction;

/**
 * Dieses Kommando loescht ein Datenbankobjekt.
 *
 *
 * @author <a href="http://www.softwarebuero.de/">SMB</a>
 * @version $Revision: 1.5 $Date: 2002/12/29 11:15:56 $
 */
public class DbCopyObj extends DbCommand {

    private OzoneProxy obj;


    public DbCopyObj() {
    }


    public DbCopyObj( OzoneProxy _obj ) {
        obj = _obj;
    }


    public void perform( Transaction ta ) throws Exception {
        // env.logWriter.newEntry (this, "DbCopyObj.perform()...", LogWriter.DEBUG);
        ObjectContainer container = ta.copyObject(obj.remoteID());

        try {
            result = container.ozoneProxy();
        } finally {
            container.unpin();
        }
    }

}