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/* -*- C++ -*- */
// $Id$
//
// ============================================================================
//
// = LIBRARY
// ORBSVCS Real-time Event Channel
//
// = FILENAME
// EC_trivial_Supplier_Filter
//
// = 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_TRIVIAL_SUPPLIER_FILTER_H
#define TAO_EC_TRIVIAL_SUPPLIER_FILTER_H
#include "EC_SupplierFiltering.h"
#include "EC_Supplier_Filter_Builder.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class TAO_EC_ProxyPushSupplier_Set;
// ****************************************************************
class TAO_EC_Trivial_Supplier_Filter : public TAO_EC_SupplierFiltering
{
// = TITLE
// A null filtering strategy.
//
// = DESCRIPTION
// This strategy does no filtering, it is useful for backends of
// the CosEventChannel, testing and broadcasters; it uses the
// ConsumerAdmin to find all the consumers and pushes the event to
// all of them.
//
public:
TAO_EC_Trivial_Supplier_Filter (TAO_EC_Event_Channel* ec);
// Constructor
// = The TAO_EC_SupplierFiltering methods.
virtual void bind (TAO_EC_ProxyPushConsumer* consumer);
virtual void unbind (TAO_EC_ProxyPushConsumer* consumer);
virtual void connected (TAO_EC_ProxyPushSupplier* supplier,
CORBA::Environment &env);
virtual void disconnected (TAO_EC_ProxyPushSupplier* supplier,
CORBA::Environment &env);
virtual void push (const RtecEventComm::EventSet& event,
CORBA::Environment &);
private:
TAO_EC_Event_Channel *event_channel_;
// The event channel, used to locate the set of consumers.
};
// ****************************************************************
class TAO_ORBSVCS_Export TAO_EC_Trivial_Supplier_Filter_Builder : public TAO_EC_Supplier_Filter_Builder
{
// = TITLE
// Create a single Trivial_Supplier_Filter.
//
// = DESCRIPTION
// This Factory creates a single Trivial_Supplier_Filter that is
// used by all the suppliers (i.e. ProxyConsumers) of an event
// channel.
//
//
public:
TAO_EC_Trivial_Supplier_Filter_Builder (TAO_EC_Event_Channel* ec);
// constructor....
// = The TAO_EC_Supplier_Filter_Builder methods...
virtual TAO_EC_SupplierFiltering*
create (RtecEventChannelAdmin::SupplierQOS& qos);
virtual void
destroy (TAO_EC_SupplierFiltering *filter);
private:
TAO_EC_Trivial_Supplier_Filter filter_;
// The filter....
};
#if defined (__ACE_INLINE__)
#include "EC_Trivial_Supplier_Filter.i"
#endif /* __ACE_INLINE__ */
#endif /* TAO_EC_TRIVIAL_SUPPLIER_FILTER_H */
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