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// -*- C++ -*-
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO/orbsvcs/Time_Service
//
// = FILENAME
// Timer_Helper.cpp
//
// = DESCRIPTION
// This class is registered with the Reactor and extends from the
// event handler.It is a friend of the TAO_Time_Service_Clerk and
// helps to update the clerk's notion of globally synchronized
// time. This class obviates the need for multiple inheritance in
// the clerk.
//
// = AUTHOR
// Vishal Kachroo <vishal@cs.wustl.edu>
//
// ============================================================================
#ifndef TIMER_HELPER_H
#define TIMER_HELPER_H
#include "ace/Event_Handler.h"
#include "ace/Containers.h"
#include "orbsvcs/TimeServiceS.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class TAO_Time_Service_Clerk;
class TAO_ORBSVCS_Export Timer_Helper : public ACE_Event_Handler
{
// = TITLE
// Timer Helper for the clerk.
//
// = DESCRIPTION
// The handle timeout method of this class is called periodically
// by the reactor. This method updates the clerk's notion of
// globally synchronized time by contacting the various Time
// Servers.
public:
// = Initialization and termination methods.
Timer_Helper (void);
// Constructor.
~Timer_Helper (void);
// Destructor.
Timer_Helper (TAO_Time_Service_Clerk *clerk);
// Constructor that sets the clerk.
int handle_timeout (const ACE_Time_Value &time,
const void *arg);
// This method is called periodically by the Reactor to update the
// clerk's time.
protected:
TAO_Time_Service_Clerk *clerk_;
// Clerk's instance that this class helps to update time.
typedef ACE_Array_Base<CosTime::TimeService_var> IORS;
// The set of server IORs.
};
#endif /* TIMER_HELPER_H */
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