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// -*- C++ -*-
//=============================================================================
/**
* @file Basic_Replication_Strategy.h
*
* $Id$
*
* @author Huang-Ming Huang <hh1@cse.wustl.edu>
*/
//=============================================================================
#ifndef BASIC_REPLICATION_STRATEGY_H
#define BASIC_REPLICATION_STRATEGY_H
#include "orbsvcs/FtRtEvent/EventChannel/Replication_Strategy.h"
#include "ace/Synch.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class Basic_Replication_Strategy
*
* @brief Use two-way CORBA call to replicate the state to backup replicas.
*/
class Basic_Replication_Strategy : public Replication_Strategy
{
public:
/**
* @param mt Specifies whether multithreaded ORB is used.
*/
Basic_Replication_Strategy(bool mt);
~Basic_Replication_Strategy();
virtual void check_validity(void);
virtual void replicate_request(const FTRT::State& state,
RollbackOperation rollback,
const FtRtecEventChannelAdmin::ObjectId& oid);
virtual void add_member(const FTRT::ManagerInfo & info,
CORBA::ULong object_group_ref_version);
virtual int acquire_read (void);
virtual int acquire_write (void);
virtual int release (void);
private:
FTRT::SequenceNumber sequence_num_;
ACE_SYNCH_RECURSIVE_MUTEX* mutex_;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#endif
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