// -*- C++ -*-

/**
 *  @file   EC_Priority_Scheduling.h
 *
 *  @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_PRIORITY_SCHEDULING_H
#define TAO_EC_PRIORITY_SCHEDULING_H
#include /**/ "ace/pre.h"

#include "orbsvcs/Event/EC_Scheduling_Strategy.h"

#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */

#include "orbsvcs/RtecSchedulerC.h"
#include "orbsvcs/Event/sched_event_export.h"

TAO_BEGIN_VERSIONED_NAMESPACE_DECL

/**
 * @class TAO_EC_Priority_Scheduling
 *
 * @brief A scheduling strategy that uses TAO's real-time scheduler
 *
 * This implementation of the Scheduling_Strategy uses TAO's
 * real-time scheduler.
 */
class TAO_RTSchedEvent_Export TAO_EC_Priority_Scheduling : public TAO_EC_Scheduling_Strategy
{
public:
  /// Constructor.
  TAO_EC_Priority_Scheduling (RtecScheduler::Scheduler_ptr scheduler);

  /// Destructor
  virtual ~TAO_EC_Priority_Scheduling (void);

  virtual void add_proxy_supplier_dependencies (
      TAO_EC_ProxyPushSupplier *supplier,
      TAO_EC_ProxyPushConsumer *consumer);
  virtual void schedule_event (const RtecEventComm::EventSet &event,
                               TAO_EC_ProxyPushConsumer *consumer,
                               TAO_EC_Supplier_Filter *filter);

private:
  TAO_EC_Priority_Scheduling (const TAO_EC_Priority_Scheduling&);
  TAO_EC_Priority_Scheduling& operator= (const TAO_EC_Priority_Scheduling&);

  /// Initialize our RT_Info handle and dependencies
  void init_rt_info (void);

private:
  /// The scheduler we are going to use
  RtecScheduler::Scheduler_var scheduler_;
};

TAO_END_VERSIONED_NAMESPACE_DECL

#if defined (__ACE_INLINE__)
#include "orbsvcs/Event/EC_Priority_Scheduling.inl"
#endif /* __ACE_INLINE__ */

#include /**/ "ace/post.h"
#endif /* TAO_EC_PRIORITY_SCHEDULING_H */
