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/* -*- C++ -*- */
// $Id$
//
// ============================================================================
//
// = LIBRARY
// ORBSVCS Real-time Event Channel
//
// = FILENAME
// EC_Scheduling_Strategy
//
// = AUTHOR
// Carlos O'Ryan (coryan@cs.wustl.edu)
//
// = CREDITS
// Based on previous work by Tim Harrison (harrison@cs.wustl.edu)
// and other members of the DOC group.
// More details can be found in:
// http://www.cs.wustl.edu/~schmidt/oopsla.ps.gz
// http://www.cs.wustl.edu/~schmidt/JSAC-98.ps.gz
//
//
// ============================================================================
#ifndef TAO_EC_SCHEDULING_STRATEGY_H
#define TAO_EC_SCHEDULING_STRATEGY_H
#include "orbsvcs/RtecSchedulerC.h"
#include "orbsvcs/RtecEventCommC.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class TAO_EC_ProxyPushConsumer;
class TAO_EC_ProxyPushSupplier;
class TAO_EC_QOS_Info;
class TAO_ORBSVCS_Export TAO_EC_Scheduling_Strategy
{
// = TITLE
// Define the interface for the scheduling strategy
//
// = DESCRIPTION
// The scheduling strategy controls the actions that the event
// channel must take to update the dependency information in the
// scheduler and to query the scheduler for the priority of each
// event pushed by a supplier.
//
// The base
//
// = MEMORY MANAGMENT
//
public:
virtual ~TAO_EC_Scheduling_Strategy (void);
// Destructor
virtual void add_proxy_supplier_dependencies (
TAO_EC_ProxyPushSupplier *supplier,
TAO_EC_ProxyPushConsumer *consumer,
CORBA::Environment &ACE_TRY_ENV) = 0;
// Add all the dependencies between <supplier> and <consumer>
virtual void init_event_qos (
const RtecEventComm::EventHeader& header,
TAO_EC_ProxyPushConsumer *consumer,
TAO_EC_QOS_Info& qos_info,
CORBA::Environment &ACE_TRY_ENV) = 0;
// Initializes <qos_info> based on the QoS information for
// <consumer> and the event header.
};
#if defined (__ACE_INLINE__)
#include "EC_Scheduling_Strategy.i"
#endif /* __ACE_INLINE__ */
#endif /* TAO_EC_SCHEDULING_STRATEGY_H */
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