Programmatic interface to the Implementation Repository

The Implementation Repository can be accessed and updated dynamically using the programmatic interface provided by the ImplRepository class (defined in "implrep.idl"). The global variable SOMD_ImplRepObject is initialized by SOMD_Init to point to the ImplRepositor object. The following methods are defined on it:

void  add_impldef (in ImplementationDef impldef)

Adds an implementation definition to the Implementation Repository. (Note: The value of the "impl_id" attribute is ignored. A unique ImplId will be generated for the newly added ImplementationDef.)

void  delete_impldef (in ImplId implid);

Deletes an implementation definition from the Implementation Repository.

void update_impldef(in ImplementationDef impldef);

Updates the implementation definition (defined by the "impl_id" of the supplied implementationDef) in the Implementation Repository.

ImplementationDef find_impldef(in ImplId implid);

Returns a server implementation definition given its ID.

ImplementationDef find_impldef_by_alias(in string alias_name);

Returns a server implementation definition, given its user-friendly alias.

sequence<ImplementationDef>  find_impldef_by_class 
                                            (in string classname)

Returns a sequence of ImplementationDefs for those servers that have an association with the specified class. Typically, a server is associated with the classes it knows how to implement, by registering its known classes via the add_class_to_impldef method.

ORBStatus  find_all_impldefs  (out sequence<ImplementationDef> outimpldefs);

Retrieves all ImplementationDef objects in the Implementation Repository.

The following methods maintain an association between server implementations and the names of the classes they implement. These methods effectively maintain a mapping of <className, Implid>.

void add_class_to_impldef (in ImplId implid,                            in string classname);

Associates a class, identified by name, with a server, identified by its ImplId. This type of association is used to lookup server implementations via the find_impldef_by_class method.

void  remove_class_from_impldef (
                             in ImplId implid,
                             in string classname);

Removes the association of a particular class with a server.

void remove_class_from_all (

                              in   string   classname ) ;

Removes the association of a particular class from all server implementations in the Implementation Repository.

sequence<string>  find_classes_by_impldef
                              (in ImplId implid);

Returns a sequence of class names associated with a server.

With the ImplRepository programmatic interface, it is possible for an application to define additional server implementations at run time.