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TAO_EC_Supplier_Filter Class Reference

The strategy to filter close to the supplier. More...

#include <EC_Supplier_Filter.h>

Inheritance diagram for TAO_EC_Supplier_Filter

Inheritance graph
[legend]
List of all members.

Public Methods

virtual ~TAO_EC_Supplier_Filter (void)
 Destructor.

virtual void bind (TAO_EC_ProxyPushConsumer* consumer) = 0
virtual void unbind (TAO_EC_ProxyPushConsumer* consumer) = 0
virtual void connected (TAO_EC_ProxyPushSupplier *supplier, CORBA::Environment &env) = 0
 Concrete implementations can use this methods to keep track of the consumers interested in this events.

virtual void reconnected (TAO_EC_ProxyPushSupplier *supplier, CORBA::Environment &env) = 0
virtual void disconnected (TAO_EC_ProxyPushSupplier *supplier, CORBA::Environment &env) = 0
virtual void shutdown (CORBA::Environment &env) = 0
 The event channel is shutting down.

virtual void push (const RtecEventComm::EventSet &event, CORBA::Environment &) = 0
 The ProxyPushConsumer delegates on this class to actually send the event.

virtual CORBA::ULong _incr_refcnt (void) = 0
 Increment and decrement the reference count, locking must be provided by the user.

virtual CORBA::ULong _decr_refcnt (void) = 0

Detailed Description

The strategy to filter close to the supplier.

After an event is received by the a ProxyPushConsumer it must be dispatched to the right set of ProxyPushSuppliers; determining this set is the task of this class. Notice that this is in fact a filter, and enforces (in part) the subscriptions and publications of the Event Service clients. Several implementations are possible:


Constructor & Destructor Documentation

TAO_EC_Supplier_Filter::~TAO_EC_Supplier_Filter ( void ) [virtual]
 

Destructor.


Member Function Documentation

virtual CORBA::ULong TAO_EC_Supplier_Filter::_decr_refcnt ( void ) [pure virtual]
 

Reimplemented in TAO_EC_Per_Supplier_Filter, and TAO_EC_Trivial_Supplier_Filter.

CORBA::ULong TAO_EC_Supplier_Filter::_incr_refcnt ( void ) [pure virtual]
 

Increment and decrement the reference count, locking must be provided by the user.

Reimplemented in TAO_EC_Per_Supplier_Filter, and TAO_EC_Trivial_Supplier_Filter.

void TAO_EC_Supplier_Filter::bind ( TAO_EC_ProxyPushConsumer * consumer ) [pure virtual]
 

Whenever a ProxyPushConsumer is initialized it calls this method to inform the Supplier_Filter of its identity. Strategies that do not keep ProxyPushConsumer specific information, or that are shared between multiple ProxyPushConsumers can ignore this message.

Reimplemented in TAO_EC_Per_Supplier_Filter, and TAO_EC_Trivial_Supplier_Filter.

void TAO_EC_Supplier_Filter::connected ( TAO_EC_ProxyPushSupplier * supplier,
CORBA::Environment & env ) [pure virtual]
 

Concrete implementations can use this methods to keep track of the consumers interested in this events.

Reimplemented in TAO_EC_Per_Supplier_Filter, and TAO_EC_Trivial_Supplier_Filter.

virtual void TAO_EC_Supplier_Filter::disconnected ( TAO_EC_ProxyPushSupplier * supplier,
CORBA::Environment & env ) [pure virtual]
 

Reimplemented in TAO_EC_Per_Supplier_Filter, and TAO_EC_Trivial_Supplier_Filter.

void TAO_EC_Supplier_Filter::push ( const RtecEventComm::EventSet & event,
CORBA::Environment & ACE_TRY_ENV ) [pure virtual]
 

The ProxyPushConsumer delegates on this class to actually send the event.

Reimplemented in TAO_EC_Per_Supplier_Filter, and TAO_EC_Trivial_Supplier_Filter.

virtual void TAO_EC_Supplier_Filter::reconnected ( TAO_EC_ProxyPushSupplier * supplier,
CORBA::Environment & env ) [pure virtual]
 

Reimplemented in TAO_EC_Per_Supplier_Filter, and TAO_EC_Trivial_Supplier_Filter.

void TAO_EC_Supplier_Filter::shutdown ( CORBA::Environment & env ) [pure virtual]
 

The event channel is shutting down.

Reimplemented in TAO_EC_Per_Supplier_Filter, and TAO_EC_Trivial_Supplier_Filter.

void TAO_EC_Supplier_Filter::unbind ( TAO_EC_ProxyPushConsumer * consumer ) [pure virtual]
 

Wheneve a ProxyPushConsumer is about to be destroyed it calls this method to inform the Supplier_Filter that it should release any resources related to it. Supplier_Filter strategies that are bound to a particular ProxyConsumer can use this opportunity to destroy themselves; filter strategies that do not keep ProxyPushConsumer specific information can simply ignore the message.

Reimplemented in TAO_EC_Per_Supplier_Filter, and TAO_EC_Trivial_Supplier_Filter.


The documentation for this class was generated from the following file:
Generated at Wed Nov 21 12:07:15 2001 for TAO_RTEvent by doxygen1.2.3 written by Dimitri van Heesch, © 1997-2000