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 /*
  * JBoss, Home of Professional Open Source
  * Copyright 2006, Red Hat Middleware LLC, and individual contributors 
  * as indicated by the @author tags. 
  * See the copyright.txt in the distribution for a
  * full listing of individual contributors. 
  * This copyrighted material is made available to anyone wishing to use,
  * modify, copy, or redistribute it subject to the terms and conditions
  * of the GNU Lesser General Public License, v. 2.1.
 * This program is distributed in the hope that it will be useful, but WITHOUT A 
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 
 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License,
 * v.2.1 along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
 * MA  02110-1301, USA.
 * 
 * (C) 2005-2006,
 * @author JBoss Inc.
 */
/*
 * Copyright (C) 1999-2001 by HP Bluestone Software, Inc. All rights Reserved.
 *
 * HP Arjuna Labs,
 * Newcastle upon Tyne,
 * Tyne and Wear,
 * UK.
 *
 * $Id: RecoveryModule.java 2342 2006-03-30 13:06:17Z  $
 */
package com.arjuna.ats.arjuna.recovery ;

Interface for Recovery manager plug-in module. RecoveryModules are registered via the properties mechanisms. The periodicWorkFirstPass of each module is called, then RecoveryManager waits for the time interval RECOVERY_BACKOFF_PERIOD (seconds), then the periodicWorkSecondPass of each module are called. The RecoveryManager then waits for period PERIODIC_RECOVERY_PERIOD (seconds) before starting the first pass again The backoff period between the first and second pass is intended to allow transactions that were in-flight during the first pass to be completed normally, without requiring the status of each one to be checked. The recovery period will typically be appreciably longer.
public interface RecoveryModule
{
    
Called by the RecoveryManager at start up, and then PERIODIC_RECOVERY_PERIOD seconds after the completion, for all RecoveryModules, of the second pass
    public void periodicWorkFirstPass ();
    
    
Called by the RecoveryManager RECOVERY_BACKOFF_PERIOD seconds after the completion of the first pass
    public void periodicWorkSecondPass ();
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