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/* -*- C++ -*- */
// $Id$
//
// ============================================================================
//
// = LIBRARY
// ORBSVCS Real-time Event Channel
//
// = FILENAME
// EC_ConsumerAdmin
//
// = 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_CONSUMERADMIN_H
#define TAO_EC_CONSUMERADMIN_H
#include "orbsvcs/RtecEventChannelAdminS.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "EC_Proxy_Collection.h"
#include "EC_Worker.h"
class TAO_EC_Event_Channel;
class TAO_EC_ProxyPushSupplier;
class TAO_EC_ProxyPushConsumer;
class TAO_ORBSVCS_Export TAO_EC_ConsumerAdmin : public POA_RtecEventChannelAdmin::ConsumerAdmin
{
// = TITLE
// ConsumerAdmin
//
// = DESCRIPTION
// Implements the ConsumerAdmin interface, i.e. the factory for
// ProxyPushSupplier objects.
//
// = MEMORY MANAGMENT
// It does not assume ownership of the TAO_EC_Event_Channel
// object; but it *does* assume ownership of the
// TAO_EC_ProxyPushSupplier_Set object.
//
// = LOCKING
// No provisions for locking, access must be serialized
// externally.
//
// = TODO
//
public:
TAO_EC_ConsumerAdmin (TAO_EC_Event_Channel* event_channel);
// constructor. If <supplier_set> is nil then it builds one using
// the <event_channel> argument.
// In any case it assumes ownership.
virtual ~TAO_EC_ConsumerAdmin (void);
// destructor...
void for_each (TAO_EC_Worker<TAO_EC_ProxyPushSupplier> *worker,
CORBA::Environment &ACE_TRY_ENV);
// For each elements call <worker->work()>.
virtual void connected (TAO_EC_ProxyPushConsumer*,
CORBA::Environment&);
virtual void reconnected (TAO_EC_ProxyPushConsumer*,
CORBA::Environment&);
virtual void disconnected (TAO_EC_ProxyPushConsumer*,
CORBA::Environment&);
// Used to inform the EC that a Consumer has connected or
// disconnected from it.
virtual void connected (TAO_EC_ProxyPushSupplier*,
CORBA::Environment&);
virtual void reconnected (TAO_EC_ProxyPushSupplier*,
CORBA::Environment&);
virtual void disconnected (TAO_EC_ProxyPushSupplier*,
CORBA::Environment&);
// Used to inform the EC that a Supplier has connected or
// disconnected from it.
virtual void shutdown (CORBA::Environment&);
// The event channel is shutting down, inform all the consumers of
// this
// = The RtecEventChannelAdmin::ConsumerAdmin methods...
virtual RtecEventChannelAdmin::ProxyPushSupplier_ptr
obtain_push_supplier (CORBA::Environment &)
ACE_THROW_SPEC ((CORBA::SystemException));
// = The PortableServer::ServantBase methods
virtual PortableServer::POA_ptr _default_POA (CORBA::Environment& env);
private:
TAO_EC_Event_Channel *event_channel_;
// The Event Channel we belong to
typedef TAO_EC_Proxy_Collection<TAO_EC_ProxyPushSupplier> Collection;
Collection *collection_;
// The supplier container.
PortableServer::POA_var default_POA_;
// Store the default POA.
};
// ****************************************************************
class TAO_EC_Connect_Consumer : public TAO_EC_Worker<TAO_EC_ProxyPushSupplier>
{
// = TITLE
// TAO_EC_Connect_Consumer
//
// = DESCRIPTION
// Worker class to connect the ProxyPushConsumer objects with all
// the ProxyPushSupplier objects in the collection.
//
public:
TAO_EC_Connect_Consumer (TAO_EC_ProxyPushConsumer *consumer);
// Constructor
void work (TAO_EC_ProxyPushSupplier *supplier,
CORBA::Environment &ACE_TRY_ENV);
private:
TAO_EC_ProxyPushConsumer *consumer_;
};
// ****************************************************************
class TAO_EC_Reconnect_Consumer : public TAO_EC_Worker<TAO_EC_ProxyPushSupplier>
{
// = TITLE
// TAO_EC_Reconnect_Consumer
//
// = DESCRIPTION
// Worker class to reconnect the ProxyPushConsumer objects with all
// the ProxyPushSupplier objects in the collection.
//
public:
TAO_EC_Reconnect_Consumer (TAO_EC_ProxyPushConsumer *consumer);
// Constructor
void work (TAO_EC_ProxyPushSupplier *supplier,
CORBA::Environment &ACE_TRY_ENV);
private:
TAO_EC_ProxyPushConsumer *consumer_;
};
// ****************************************************************
class TAO_EC_Disconnect_Consumer : public TAO_EC_Worker<TAO_EC_ProxyPushSupplier>
{
// = TITLE
// TAO_EC_Disconnect_Consumer
//
// = DESCRIPTION
// Worker class to disconnect the ProxyPushConsumer objects with all
// the ProxyPushSupplier objects in the collection.
//
public:
TAO_EC_Disconnect_Consumer (TAO_EC_ProxyPushConsumer *consumer);
// Constructor
void work (TAO_EC_ProxyPushSupplier *supplier,
CORBA::Environment &ACE_TRY_ENV);
private:
TAO_EC_ProxyPushConsumer *consumer_;
};
// ****************************************************************
class TAO_EC_Shutdown_Supplier : public TAO_EC_Worker<TAO_EC_ProxyPushSupplier>
{
public:
TAO_EC_Shutdown_Supplier (void);
void work (TAO_EC_ProxyPushSupplier *supplier,
CORBA::Environment &ACE_TRY_ENV);
};
#if defined (__ACE_INLINE__)
#include "EC_ConsumerAdmin.i"
#endif /* __ACE_INLINE__ */
#endif /* TAO_EC_CONSUMERADMIN_H */
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