diff options
Diffstat (limited to 'TAO/tao/servant_base.h')
| -rw-r--r-- | TAO/tao/servant_base.h | 111 |
1 files changed, 82 insertions, 29 deletions
diff --git a/TAO/tao/servant_base.h b/TAO/tao/servant_base.h index 7411ebb62e5..4efae8dcc01 100644 --- a/TAO/tao/servant_base.h +++ b/TAO/tao/servant_base.h @@ -13,6 +13,9 @@ class TAO_Export TAO_ServantBase // The POA spec requires that all servants inherit from this // class. // + + friend class TAO_POA; + public: virtual ~TAO_ServantBase (void); // destructor @@ -22,57 +25,57 @@ public: virtual PortableServer::POA_ptr _default_POA (CORBA::Environment &env); + virtual void *_downcast (const char *repository_id) = 0; + // Get the correct vtable + + virtual STUB_Object *_create_stub (CORBA_Environment &env); + // This is an auxiliar method for _this() and _narrow(). + +protected: + TAO_ServantBase (void); + // Default constructor, only derived classes can be created. + + TAO_ServantBase (const TAO_ServantBase &); + // Copy constructor, protected so no instances can be created. + + void _set_parent (TAO_IUnknown *p); + // Set the "parent" in the QueryInterface hierarchy. + // @@ TODO use a conformant name; since it is an + // internal (implementation) method its name should start with '_' + virtual CORBA::Boolean _is_a (const char* logical_type_id, - CORBA::Environment &_tao_environment); + CORBA::Environment &env); // Local implementation of the CORBA::Object::_is_a method. - virtual void dispatch (CORBA::ServerRequest &_tao_request, - void *_tao_context, - CORBA::Environment &_tao_environment); + virtual void _dispatch (CORBA::ServerRequest &request, + void *context, + CORBA::Environment &env); // Dispatches a request to the object: find the operation, cast // the type to the most derived type, demarshall all the // parameters from the request and finally invokes the operation, // storing the results and out parameters (if any) or the - // exceptions thrown into <_tao_request>. + // exceptions thrown into <request>. // @@ TODO use a conformant name; since it is an // internal (implementation) method its name should start with '_' - virtual int find (const CORBA::String &opname, - TAO_Skeleton &skelfunc); + virtual int _find (const CORBA::String &opname, + TAO_Skeleton &skelfunc); // Find an operation in the operation table. // @@ TODO use a conformant name; since it is an // internal (implementation) method its name should start with '_' - virtual int bind (const CORBA::String &opname, - const TAO_Skeleton skel_ptr); + virtual int _bind (const CORBA::String &opname, + const TAO_Skeleton skel_ptr); // Register a CORBA IDL operation name. // @@ TODO use a conformant name; since it is an // internal (implementation) method its name should start with '_' - TAO_IUnknown *get_parent (void) const; + TAO_IUnknown *_get_parent (void) const; // Get the "parent" in the QueryInterface hierarchy. virtual const char *_interface_repository_id (void) const = 0; // Get this interface's repository id - virtual void *_downcast (const char *repository_id) = 0; - // Get the correct vtable - - virtual STUB_Object *_create_stub (CORBA_Environment &_env); - // This is an auxiliar method for _this() and _narrow(). - -protected: - TAO_ServantBase (void); - // Default constructor, only derived classes can be created. - - TAO_ServantBase (const TAO_ServantBase &); - // Copy constructor, protected so no instances can be created. - - void set_parent (TAO_IUnknown *p); - // Set the "parent" in the QueryInterface hierarchy. - // @@ TODO use a conformant name; since it is an - // internal (implementation) method its name should start with '_' - protected: TAO_Operation_Table *optable_; // The operation table for this servant, it is initialized by the @@ -88,9 +91,59 @@ class TAO_Export TAO_Local_ServantBase : public TAO_ServantBase // Base class for local skeletons and servants. // protected: - STUB_Object *_create_stub (CORBA_Environment &_env); + STUB_Object *_create_stub (CORBA_Environment &env); // This is an auxiliar method for _this(). Make sure *not* to // register with the default POA }; +// Base class for DSI +class TAO_DynamicImplementation : public virtual TAO_ServantBase +{ + // + // = DESCRIPTION + // + // It is expected that the invoke() and _primary_interface() + // methods will be only invoked by the POA in the context of + // serving a CORBA request. Invoking this method in other + // circumstances may lead to unpredictable results. + +public: + + virtual void invoke (CORBA::ServerRequest_ptr request, + CORBA::Environment &env) = 0; + // The invoke() method receives requests issued to any CORBA object + // incarnated by the DSI servant and performs the processing + // necessary to execute the request. + + // virtual CORBA::RepositoryId _primary_interface (const PortableServer::ObjectId &oid, + // PortableServer::POA_ptr poa, + // CORBA::Environment &env) = 0; + + virtual PortableServer::RepositoryId _primary_interface (const PortableServer::ObjectId &oid, + PortableServer::POA_ptr poa, + CORBA::Environment &env) = 0; + // The _primary_interface() method receives an ObjectId value and a + // POA_ptr as input parameters and returns a valid RepositoryId + // representing the most-derived interface for that oid. + + CORBA::Object_ptr _this (CORBA::Environment &env); + // Returns a CORBA::Object_ptr for the target object. + +protected: + + virtual const char *_interface_repository_id (void) const; + // Return 0. Should never be used. + + virtual void *_downcast (const char *repository_id); + // Simply returns "this" + + virtual STUB_Object *_create_stub (CORBA_Environment &env); + // This is an auxiliar method for _this() and _narrow(). + + virtual void _dispatch (CORBA::ServerRequest &request, + void *context, + CORBA::Environment &env); + // Turns around and calls invoke +}; + #endif /* SERVANT_BASE_H */ |