/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.transaction.xalog;
import com.caucho.transaction.XidImpl;
import com.caucho.vfs.Path;
import java.io.IOException;
/**
* Implements a single log stream. Each log stream has two associated
* files in order to switch at the end of the file.
*/
abstract public class AbstractXALogManager
{
/**
* Sets a log path.
*/
abstract public void setPath(Path path)
throws java.io.IOException;
/**
* Initialize the log manager.
*/
abstract public void init();
/**
* Starts the log manager.
*/
abstract public void start()
throws IOException;
/**
* True if the xid is an already-committed xid
*/
abstract public boolean hasCommittedXid(XidImpl xid);
/**
* Returns a stream for a new transaction.
*/
abstract public AbstractXALogStream getStream();
/**
* Returns a stream for a new transaction.
*/
abstract public void flush();
/**
* Closes the log manager.
*/
abstract public void close();
}