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/* -*- C++ -*- */
/**
* @file EC_Scheduling_Strategy.h
*
* $Id$
*
* @author Carlos O'Ryan (coryan@cs.wustl.edu)
*
* 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://doc.ece.uci.edu/~coryan/EC/index.html
*/
#ifndef TAO_EC_SCHEDULING_STRATEGY_H
#define TAO_EC_SCHEDULING_STRATEGY_H
#include /**/ "ace/pre.h"
#include /**/ "event_export.h"
#include "orbsvcs/RtecBaseC.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_Supplier_Filter;
class TAO_EC_QOS_Info;
/**
* @class TAO_EC_Scheduling_Strategy
*
* @brief Define the interface for the scheduling strategy
*
* 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
*/
class TAO_RTEvent_Export TAO_EC_Scheduling_Strategy
{
public:
/// Destructor
virtual ~TAO_EC_Scheduling_Strategy (void);
/// Add all the dependencies between @a supplier and @a consumer
virtual void add_proxy_supplier_dependencies (
TAO_EC_ProxyPushSupplier *supplier,
TAO_EC_ProxyPushConsumer *consumer
ACE_ENV_ARG_DECL) = 0;
/// Schedule an event set and deliver them to the filter in the
/// desired order and grouping.
virtual void schedule_event (const RtecEventComm::EventSet &event,
TAO_EC_ProxyPushConsumer *consumer,
TAO_EC_Supplier_Filter *filter
ACE_ENV_ARG_DECL) = 0;
};
#if defined (__ACE_INLINE__)
#include "EC_Scheduling_Strategy.i"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* TAO_EC_SCHEDULING_STRATEGY_H */
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