dbtransaction.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: DbTransaction.java,v 1.6 2000/10/28 16:55:17 daniela Exp $

package org.ozoneDB.core.DbRemote;

import org.ozoneDB.core.*;


/**
 * @author <a href="http://www.softwarebuero.de/">SMB</a>
 * @version $Revision: 1.6 $Date: 2000/10/28 16:55:17 $
 */
public class DbTransaction extends DbCommand {
    
    public final static int MODE_BEGIN = 1;
    public final static int MODE_PREPARE = 2;
    public final static int MODE_COMMIT_ONEPHASE = 3;
    public final static int MODE_COMMIT_TWOPHASE = 4;
    public final static int MODE_CHECKPOINT = 5;
    public final static int MODE_ABORT = 6;
    public final static int MODE_STATUS = 7;
    
    private int mode;
    
    
    public DbTransaction( int _mode ) {
        mode = _mode;
    }
    
    
    public int mode() {
        return mode;
    } 
    
    
    public void perform( Transaction ta ) throws Exception {
    //this command will be catched by the TransactionManager
    } 
}