dbcreateobj.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 Core 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: DbCreateObj.java,v 1.25 2000/10/28 16:55:17 daniela Exp $

package org.ozoneDB.core.DbRemote;

import java.io.*;
import org.ozoneDB.DxLib.*;
import org.ozoneDB.core.*;


/**
 * @author <a href="http://www.softwarebuero.de/">SMB</a>
 * @version $Revision: 1.25 $Date: 2000/10/28 16:55:17 $
 */
public final class DbCreateObj extends DbCommand {
    
    private String className;
    
    private int access;
    
    private String objName;
    
    private String sig;
    
    private Object[] args;
    
    
    public DbCreateObj() {
    }
    
    
    public DbCreateObj( String _className, int _access, String _objName, String _sig, Object[] _args ) {
        className = _className;
        access = _access;
        objName = _objName;
        sig = _sig;
        args = _args;
    }
    
    
    public void perform( Transaction ta ) throws Exception {
        // env.logWriter.newEntry (this, "DbCreateObj.perform()...", LogWriter.DEBUG);
        ObjectContainer container = ta.createObject( className, access, objName, sig, args, null );
        result = container.ozoneProxy();
    } 
    
    
    public void writeExternal( ObjectOutput out ) throws IOException {
        out.writeObject( className );
        out.writeInt( access );
        out.writeObject( objName );
        out.writeObject( sig );
        out.writeObject( args );
    } 
    
    
    public void readExternal( ObjectInput in ) throws IOException, ClassNotFoundException {
        className = (String)in.readObject();
        access = in.readInt();
        objName = (String)in.readObject();
        sig = (String)in.readObject();
        args = (Object[])in.readObject();
    } 
    
    
    public String toString() {
        return super.toString();
    } 
    
}