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/* -*- C++ -*- */
// $Id$
//
// ============================================================================
//
// = LIBRARY
// ORBSVCS Real-time Event Channel
//
// = FILENAME
// EC_ConsumerAdmin
//
// = AUTHOR
// Carlos O'Ryan (coryan@cs.wustl.edu)
//
// = DESCRIPTION
// Implement the RtecEventChannelAdmin::ConsumerAdmin interface.
// This class is an Abstract Factory for the
// TAO_EC_ProxyPushSupplier.
//
// = 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_PROXYSUPPLIER_H
#define TAO_EC_PROXYSUPPLIER_H
#include "orbsvcs/Event/EC_Filter.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class TAO_EC_Dispatching;
class TAO_EC_Filter_Builder;
class TAO_EC_ConsumerAdmin : public POA_RtecEventChannelAdmin::ConsumerAdmin
{
// = TITLE
// ProxyPushSupplier
//
// = DESCRIPTION
// Implements the ConsumerAdmin interface, i.e. the factory for
// ProxyPushSupplier objects.
//
// = MEMORY MANAGMENT
// It does not assume ownership of the TAO_EC_Dispatching object
// or the EC_Filter_Builder object.
//
// = LOCKING
// No provisions for locking, access must be serialized
// externally.
//
// = TODO
// We don't need to provide a trivial filter, the object itself
// could short-circuit the filter() ---> push() cycle when the EC
// is properly configured, we need to explore this...
//
public:
TAO_EC_ConsumerAdmin (TAO_EC_Event_Channel* dispatching);
// constructor...
virtual ~TAO_EC_ConsumerAdmin (void);
// destructor...
virtual void activate (TAO_EC_ProxyPushSupplier* proxy,
RtecEventChannelAdmin::ProxyPushSupplier_out objref,
CORBA::Environment& env) = 0;
virtual void deactivate (TAO_EC_ProxyPushSupplier* proxy,
RtecEventChannelAdmin::ProxyPushSupplier_ptr objref,
CORBA::Environment& env) = 0;
// = The RtecEventChannelAdmin::ConsumerAdmin methods...
virtual RtecEventChannelAdmin::ProxyPushSupplier_ptr
obtain_push_supplier (CORBA::Environment &);
private:
TAO_EC_ConsumerAdmin* consumer_admin_;
// The consumer admin, used for activation and memory managment.
TAO_EC_Dispatching *dispatching_;
// We delegate on this object to handle
RtecEventComm::PushConsumer_var consumer_;
// The consumer....
CORBA::Boolean suspended_;
// Is this consumer suspended?
RtecEventChannelAdmin::ConsumerQOS qos_;
// The subscription and QoS information...
};
#if defined (__ACE_INLINE__)
#include "EC_ProxySupplier.i"
#endif /* __ACE_INLINE__ */
#endif /* TAO_EC_PROXYSUPPLIER_H */
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