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+// -*- C++ -*-
+/**
+ * @file EC_Per_Supplier_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_PER_SUPPLIER_FILTER_H
+#define TAO_EC_PER_SUPPLIER_FILTER_H
+#include /**/ "ace/pre.h"
+
+#include "orbsvcs/Event/EC_Supplier_Filter.h"
+#include "orbsvcs/Event/EC_Supplier_Filter_Builder.h"
+#include /**/ "orbsvcs/Event/event_serv_export.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+template<class PROXY> class TAO_ESF_Proxy_Collection;
+class TAO_EC_Event_Channel_Base;
+
+/**
+ * @class TAO_EC_Per_Supplier_Filter
+ *
+ * @brief Filter the events on each supplier.
+ *
+ * This is a filtering strategy for the suppliers. In this
+ * particular case we keep a collection of the consumers that
+ * could potentially be interested in any event generated by a
+ * particular supplier.
+ * This minimizes the amount of consumers touched by the EC when
+ * dispatching an event.
+ */
+class TAO_RTEvent_Serv_Export TAO_EC_Per_Supplier_Filter : public TAO_EC_Supplier_Filter
+{
+public:
+ /// Constructor
+ TAO_EC_Per_Supplier_Filter (TAO_EC_Event_Channel_Base* ec);
+
+ /// Destructor
+ virtual ~TAO_EC_Per_Supplier_Filter (void);
+
+ // = The TAO_EC_Supplier_Filter methods.
+ virtual void bind (TAO_EC_ProxyPushConsumer* consumer);
+ virtual void unbind (TAO_EC_ProxyPushConsumer* consumer);
+ virtual void connected (TAO_EC_ProxyPushSupplier* supplier
+ ACE_ENV_ARG_DECL);
+ virtual void reconnected (TAO_EC_ProxyPushSupplier* supplier
+ ACE_ENV_ARG_DECL);
+ virtual void disconnected (TAO_EC_ProxyPushSupplier* supplier
+ ACE_ENV_ARG_DECL);
+ virtual void shutdown (ACE_ENV_SINGLE_ARG_DECL);
+ virtual void push (const RtecEventComm::EventSet& event,
+ TAO_EC_ProxyPushConsumer *consumer
+ ACE_ENV_ARG_DECL_NOT_USED);
+ virtual void push_scheduled_event (RtecEventComm::EventSet &event,
+ const TAO_EC_QOS_Info &event_info
+ ACE_ENV_ARG_DECL);
+ virtual CORBA::ULong _decr_refcnt (void);
+ virtual CORBA::ULong _incr_refcnt (void);
+
+private:
+ /// The event channel, used to locate the set of consumers.
+ TAO_EC_Event_Channel_Base *event_channel_;
+
+ /// The proxy for the supplier we are bound to.
+ TAO_EC_ProxyPushConsumer* consumer_;
+
+ /// Keep the collection of proxies for the consumers that may be
+ /// interested in our events.
+ TAO_ESF_Proxy_Collection<TAO_EC_ProxyPushSupplier>* collection_;
+
+ /// Reference counting
+ CORBA::ULong refcnt_;
+
+ /// Locking
+ TAO_SYNCH_MUTEX lock_;
+};
+
+// ****************************************************************
+
+/**
+ * @class TAO_EC_Per_Supplier_Filter_Builder
+ *
+ * @brief Create Per_Supplier_Filter objects
+ *
+ */
+class TAO_RTEvent_Serv_Export TAO_EC_Per_Supplier_Filter_Builder : public TAO_EC_Supplier_Filter_Builder
+{
+public:
+ /// constructor....
+ TAO_EC_Per_Supplier_Filter_Builder (TAO_EC_Event_Channel_Base* ec);
+
+ // = The TAO_EC_Supplier_Filter_Builder methods...
+ virtual TAO_EC_Supplier_Filter*
+ create (RtecEventChannelAdmin::SupplierQOS& qos);
+ virtual void
+ destroy (TAO_EC_Supplier_Filter *filter);
+
+private:
+ /// The event channel
+ TAO_EC_Event_Channel_Base* event_channel_;
+};
+
+TAO_END_VERSIONED_NAMESPACE_DECL
+
+#if defined (__ACE_INLINE__)
+#include "orbsvcs/Event/EC_Per_Supplier_Filter.inl"
+#endif /* __ACE_INLINE__ */
+
+#include /**/ "ace/post.h"
+#endif /* TAO_EC_PER_SUPPLIER_FILTER_H */