transactionexception.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: TransactionException.java,v 1.2 2002/12/29 11:15:55 per_nyfelt Exp $

package org.ozoneDB;


/**
 * This exception is thrown, if...
 * 
 * 
 * @author <a href="http://www.softwarebuero.de/">SMB</a>
 * @version $Revision: 1.2 $Date: 2002/12/29 11:15:55 $
 */
public class TransactionException extends OzoneRemoteException {
    
    public final static int UNKNOWN = 0;
    
    /**
     * Transaction had inproper status to complete the requested operation.
     */
    public final static int STATE = 1;
    
    /**
     * Transaction was rolled back instead of prepared.
     */
    public final static int ROLLBACK = 2;
    
    /**
     * An object that was optimisticly locked (by an explicit lock or the use of
     * {@link ClientCacheDatabase}) was changed by another party.
     */
    public final static int OPTIMISTIC = 3;
    
    /**
     * An error was encountered where it was not expected. This normaly
     * indicates a runtime exception (for example an IOException) or a bug.
     */
    public final static int UNEXPECTED = 4;
    
    /**
     * The transaction was stopped by the transaction manager.
     */
    public final static int STOPPED = 5;
    
    
    protected int code;
    
    
    public TransactionException() {
    }
    
    
    public TransactionException( String s ) {
        super( s );
        code = UNKNOWN;
    }
    
    public TransactionException(String msg, Throwable cause) {
        super(msg, cause);
    }
    
    public TransactionException(Throwable cause) {
        super(cause);
    }
    
    public TransactionException( String s, int _code ) {
        super( s );
        code = _code;
    }
    
    
    public int code() {
        return code;
    } 
    
    
    public String toString() {
        return super.toString() + " [code: " + code + "]";
    } 
}