abstractlock.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 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: AbstractLock.java,v 1.4 2002/09/18 06:54:14 per_nyfelt Exp $

package org.ozoneDB.core;

import org.ozoneDB.util.LogWriter;


/**
 * @author <a href="http://www.softwarebuero.de/">SMB</a>
 * @version $Revision: 1.4 $Date: 2002/09/18 06:54:14 $
 */
public abstract class AbstractLock implements Lock {


    public void checkDeadlock( Transaction ta ) throws TransactionError {
        if (ta.isDeadlocked()/*ta.env.transactionManager.isDeadlockTA( ta )*/) {
            if (false) {
                ta.env.logWriter.newEntry( this, ta + " deadlock detected...", LogWriter.DEBUG );
            }
            throw new TransactionError( "Deadlock detected.", TransactionError.DEADLOCK );
        }
    }

}