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/* -*- C++ -*- */
/**
* @file EC_Sched_Filter.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_SCHED_FILTER_H
#define TAO_EC_SCHED_FILTER_H
#include /**/ "ace/pre.h"
#include "EC_Filter.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "orbsvcs/RtecSchedulerC.h"
#include "sched_event_export.h"
#include "ace/SString.h"
/**
* @class TAO_EC_Sched_Filter
*
* @brief Decorate a filter with scheduling information
*
* This filter decorates a regular filter with scheduling
* information. It creates a new RT_Info entry for the filter and
* it adds the dependencies between the filter and any childrens
* it may have.
*
* <H2>Memory Management</H2>
* It assumes ownership of the children.
*/
class TAO_RTSchedEvent_Export TAO_EC_Sched_Filter : public TAO_EC_Filter
{
public:
/**
* Constructor.
* It assumes ownership of the <body>, makes a copy of the other
* parameters
*/
TAO_EC_Sched_Filter (const char* name,
RtecScheduler::handle_t rt_info,
RtecScheduler::Scheduler_ptr scheduler,
TAO_EC_Filter* body,
RtecScheduler::handle_t body_info,
RtecScheduler::handle_t parent_info,
RtecScheduler::Info_Type_t info_type);
/// Destructor
virtual ~TAO_EC_Sched_Filter (void);
// = The TAO_EC_Filter methods, please check the documentation in
// TAO_EC_Filter.
virtual ChildrenIterator begin (void) const;
virtual ChildrenIterator end (void) const;
virtual int size (void) const;
virtual int filter (const RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info
ACE_ENV_ARG_DECL);
virtual int filter_nocopy (RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info
ACE_ENV_ARG_DECL);
virtual void push (const RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info
ACE_ENV_ARG_DECL);
virtual void push_nocopy (RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info
ACE_ENV_ARG_DECL);
virtual void clear (void);
virtual CORBA::ULong max_event_size (void) const;
virtual int can_match (const RtecEventComm::EventHeader& header) const;
virtual int add_dependencies (const RtecEventComm::EventHeader& header,
const TAO_EC_QOS_Info &qos_info
ACE_ENV_ARG_DECL);
virtual void get_qos_info (TAO_EC_QOS_Info& qos_info
ACE_ENV_ARG_DECL);
private:
ACE_UNIMPLEMENTED_FUNC (TAO_EC_Sched_Filter
(const TAO_EC_Sched_Filter&))
ACE_UNIMPLEMENTED_FUNC (TAO_EC_Sched_Filter& operator=
(const TAO_EC_Sched_Filter&))
/// Initialize our RT_Info handle and dependencies
void init_rt_info (ACE_ENV_SINGLE_ARG_DECL);
/// Compute a new qos_info to push up.
void compute_qos_info (TAO_EC_QOS_Info& qos_info
ACE_ENV_ARG_DECL);
private:
/// The RT_Info handle for this object
RtecScheduler::handle_t rt_info_;
/// Has the Scheduler been updated?
int rt_info_computed_;
/// Our operation name
ACE_CString name_;
/// The scheduler we are going to use
RtecScheduler::Scheduler_var scheduler_;
/// The implementation
TAO_EC_Filter* body_;
/// The RT_Info handle for the body
RtecScheduler::handle_t body_info_;
/// The RT_Info handle for the parent
RtecScheduler::handle_t parent_info_;
/// Required for the scheduling service
RtecScheduler::Info_Type_t info_type_;
};
#include /**/ "ace/post.h"
#endif /* TAO_EC_SCHED_FILTER_H */
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