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Man Pages


Manual Reference Pages  -  ORBER_IFR (3)

NAME

orber_ifr - The Interface Repository stores representations of IDL information

CONTENTS

Description
Exports
Exports

DESCRIPTION

This module contains functions for managing the Interface Repository (IFR). This documentation should be used in conjunction with the documentation in chapter 6 of 2.3. Whenever the term IFR object is used in this manual page, it refers to a pseudo object used only for interaction with the IFR rather than a CORBA object.

INITIALIZATION OF THE IFR

The following functions are used to initialize the Interface Repository and to obtain the initial reference to the repository.

EXPORTS

init(Nodes,Timeout) -> ok

Types:

Nodes = list()
Timeout = integer() | infinity

This function should be called to initialize the IFR. It creates the necessary mnesia-tables. A mnesia schema should exist, and mnesia must be running.

find_repository() -> #IFR_Repository_objref

Find the IFR object reference for the Repository. This reference should be used when adding objects to the IFR, and when extracting information from the IFR. The first time this function is called, it will create the repository and all the primitive definitions.

GENERAL METHODS

The following functions are the methods of the IFR. The first argument is always an #IFR_objref, i.e. the IFR (pseudo)object on which to apply this method. These functions are useful when the type of IFR object is not know, but they are somewhat slower than the specific functions listed below which only accept a particular type of IFR object as the first argument.

EXPORTS

get_def_kind(Objref) -> Return

Types:

Objref = #IFR_objref
Return = atom() (one of dk_none, dk_all, dk_Attribute, dk_Constant, dk_Exception, dk_Interface, dk_Module, dk_Operation, dk_Typedef, dk_Alias, dk_Struct, dk_Union, dk_Enum, dk_Primitive, dk_String, dk_Wstring, dk_Fixed, dk_Sequence, dk_Array, dk_Repository)

Objref is an IFR object of any kind. Returns the definition kind of the IFR object.

destroy(Objref) -> Return

Types:

Objref = #IFR_object
Return = tuple()

Objref is an IFR object of any kind except IRObject, Contained and Container. Destroys that object and its contents (if any). Returns whatever mnesia:transaction returns.

get_id(Objref) -> Return

Types:

Objref = #IFR_object
Return = string()

Objref is an IFR object of any kind that inherits from Contained. Returns the repository id of that object.

set_id(Objref,Id) -> ok

Types:

Objref = #IFR_object
Id = string()

Objref is an IFR object of any kind that inherits from Contained. Sets the repository id of that object.

get_name(Objref) -> Return

Types:

Objref = #IFR_object
Return = string()

Objref is an IFR object of any kind that inherits from Contained. Returns the name of that object.

set_name(Objref,Name) -> ok

Types:

Objref = #IFR_object
Name = string()

Objref is an IFR object of any kind that inherits from Contained. Sets the name of that object.

get_version(Objref) -> Return

Types:

Objref = #IFR_object
Return = string()

Objref is an IFR object of any kind that inherits from Contained. Returns the version of that object.

set_version(Objref,Version) -> ok

Types:

Objref = #IFR_object
Version = string()

Objref is an IFR object of any kind that inherits from Contained. Sets the version of that object.

get_defined_in(Objref) -> Return

Types:

Objref = #IFR_object
Return = #IFR_Container_objref

Objref is an IFR object of any kind that inherits from Contained. Returns the Container object that the object is defined in.

get_absolute_name(Objref) -> Return

Types:

Objref = #IFR_object
Return = string()

Objref is an IFR object of any kind that inherits from Contained. Returns the absolute (scoped) name of that object.

get_containing_repository(Objref) -> Return

Types:

Objref = #IFR_object
Return = #IFR_Repository_objref

Objref is an IFR object of any kind that inherits from Contained. Returns the Repository that is eventually reached by recursively following the object’s defined_in attribute.

describe(Objref) -> Return

Types:

Objref = #IFR_object
Return = tuple() (a contained_description record) | {exception, _}

Objref is an IFR object of any kind that inherits from Contained. Returns a tuple describing the object.

move(Objref,New_container,New_name,New_version) -> Return

Types:

Objref = #IFR_objref
New_container = #IFR_Container_objref
New_name = string()
New_version = string()
Return = ok | {exception, _}

Objref is an IFR object of any kind that inherits from Contained. New_container is an IFR object of any kind that inherits from Container. Removes Objref from its current Container, and adds it to New_container. The name attribute is changed to New_name and the version attribute is changed to New_version.

lookup(Objref,Search_name) -> Return

Types:

Objref = #IFR_objref
Search_name = string()
Return = #IFR_object

Objref is an IFR object of any kind that inherits from Container. Returns an IFR object identified by search_name (a scoped name).

contents(Objref,Limit_type,Exclude_inherited) -> Return

Types:

Objref = #IFR_objref
Limit_type = atom() (one of dk_none, dk_all, dk_Attribute, dk_Constant, dk_Exception, dk_Interface, dk_Module, dk_Operation, dk_Typedef, dk_Alias, dk_Struct, dk_Union, dk_Enum, dk_Primitive, dk_String, dk_Wstring, dk_Fixed, dk_Sequence, dk_Array, dk_Repository)
Exclude_inherited = atom() (true or false)
Return = list() (a list of IFR#_objects)

Objref is an IFR object of any kind that inherits from Container. Returns the contents of that IFR object.

lookup_name(Objref,Search_name,Levels_to_search, Limit_type, Exclude_inherited) -> Return

Types:

Objref = #IFR_objref
Search_name = string()
Levels_to_search = integer()
Limit_type = atom() (one of dk_none, dk_all, dk_Attribute, dk_Constant, dk_Exception, dk_Interface, dk_Module, dk_Operation, dk_Typedef, dk_Alias, dk_Struct, dk_Union, dk_Enum, dk_Primitive, dk_String, dk_Wstring, dk_Fixed, dk_Sequence, dk_Array, dk_Repository)
Exclude_inherited = atom() (true or false)
Return = list() (a list of #IFR_objects)

Objref is an IFR object of any kind that inherits from Container. Returns a list of #IFR_objects with an id matching Search_name.

describe_contents(Objref, Limit_type, Exclude_inherited, Max_returned_objs) -> Return

Types:

Objref = #IFR_objref
Limit_type = atom() (one of dk_none, dk_all, dk_Attribute, dk_Constant, dk_Exception, dk_Interface, dk_Module, dk_Operation, dk_Typedef, dk_Alias, dk_Struct, dk_Union, dk_Enum, dk_Primitive, dk_String, dk_Wstring, dk_Fixed, dk_Sequence, dk_Array, dk_Repository)
Exclude_inherited = atom() (true or false)
Return = list() (a list of tuples (contained_description records) | {exception, _}

Objref is an IFR object of any kind that inherits from Container. Returns a list of descriptions of the IFR objects in this Container’s contents.

create_module(Objref,Id,Name,Version) -> Return

Types:

Objref = #IFR_objref
Id = string()
Name = string()
Version = string()
Return = #IFR_ModuleDef_objref

Objref is an IFR object of any kind that inherits from Container. Creates an IFR object of the type ModuleDef.

create_constant(Objref,Id,Name,Version,Type,Value) -> Return

Types:

Objref = #IFR_objref
Id = string()
Name = string()
Version = string()
Type = #IFR_IDLType_objref
Value = any()
Return = #IFR_ConstantDef_objref

Objref is an IFR object of any kind that inherits from Container. Creates an IFR object of the type ConstantDef.

create_struct(Objref,Id,Name,Version,Members) -> Return

Types:

Objref = #IFR_objref
Id = string()
Name = string()
Version = string()
Members = list() (list of structmember records)
Return = #IFR_StructDef_objref

Objref is an IFR object of any kind that inherits from Container. Creates an IFR object of the type StructDef.

create_union(Objref,Id,Name,Version,Discriminator_type,Members) -> Return

Types:

Objref = #IFR_objref
Id = string()
Name = string()
Version = string()
Discriminator_type = #IFR_IDLType_Objref
Members = list() (list of unionmember records)
Return = #IFR_UnionDef_objref

Objref is an IFR object of any kind that inherits from Container. Creates an IFR object of the type UnionDef.

create_enum(Objref,Id,Name,Version,Members) -> Return

Types:

Objref = #IFR_objref
Id = string()
Name = string()
Version = string()
Members = list() (list of strings)
Return = #IFR_EnumDef_objref

Objref is an IFR object of any kind that inherits from Container. Creates an IFR object of the type EnumDef.

create_alias(Objref,Id,Name,Version,Original_type) -> Return

Types:

Objref = #IFR_objref
Id = string()
Name = string()
Version = string()
Original_type = #IFR_IDLType_Objref
Return = #IFR_AliasDef_objref

Objref is an IFR object of any kind that inherits from Container. Creates an IFR object of the type AliasDef.

create_interface(Objref,Id,Name,Version,Base_interfaces) -> Return

Types:

Objref = #IFR_objref
Id = string()
Name = string()
Version = string()
Base_interfaces = list() (a list of IFR_InterfaceDef_objrefs that this interface inherits from
Return = #IFR_InterfaceDef_objref

Objref is an IFR object of any kind that inherits from Container. Creates an IFR object of the type InterfaceDef.

create_exception(Objref,Id,Name,Version,Members) -> Return

Types:

Objref = #IFR_objref
Id = string()
Name = string()
Version = string()
Members = list() (list of structmember records)
Return = #IFR_ExceptionDef_objref

Objref is an IFR object of any kind that inherits from Container. Creates an IFR object of the type ExceptionDef.

get_type(Objref) -> Return

Types:

Objref = #IFR_objref
Return = tuple() (a typecode tuple)

Objref is an IFR object of any kind that inherits from IDLType or an IFR object of the kind ConstantDef, ExceptionDef or AttributeDef. Returns the typecode of the IFR object.

lookup_id(Objref,Search_id) -> Return

Types:

Objref = #IFR_Repository_objref
Search_id = string()
Return = #IFR_objref

Returns an IFR object matching the Search_id.

get_primitive(Objref,Kind) -> Return

Types:

Objref = #IFR_Repository_objref
Kind = atom() (one of pk_null, pk_void, pk_short, pk_long, pk_ushort, pk_ulong, pk_float, pk_double, pk_boolean, pk_char, pk_octet, pk_any, pk_TypeCode, pk_Principal, pk_string, pk_wstring, pk_fixed, pk_objref)
Return = #IFR_PrimitiveDef_objref

Returns a PrimitiveDef of the specified kind.

create_string(Objref,Bound) -> Return

Types:

Objref = #IFR_Repository_objref
Bound = integer() (unsigned long /= 0)
Return = #IFR_StringDef_objref

Creates an IFR objref of the type StringDef.

create_wstring(Objref,Bound) -> Return

Types:

Objref = #IFR_Repository_objref
Bound = integer() (unsigned long /= 0)
Return = #IFR_WstringDef_objref

Creates an IFR objref of the type WstringDef.

create_fixed(Objref,Digits,Scale) -> Return

Types:

Objref = #IFR_Repository_objref
Digits = Scale = integer()
Return = #IFR_FixedDef_objref

Creates an IFR objref of the type FixedDef.

create_sequence(Objref,Bound,Element_type) -> Return

Types:

Objref = #IFR_Repository_objref
Bound = integer() (unsigned long)
Element_type = #IFR_IDLType_objref
Return = #IFR_SequenceDef_objref

Creates an IFR objref of the type SequenceDef.

create_array(Objref,Length,Element_type) -> Return

Types:

Objref = #IFR_Repository_objref
Bound = integer() (unsigned long)
Element_type = #IFR_IDLType_objref
Return = #IFR_ArrayDef_objref

Creates an IFR objref of the type ArrayDef.

create_idltype(Objref,Typecode) -> Return

Types:

Objref = #IFR_Repository_objref
Typecode = tuple() (a typecode tuple)
Return = #IFR_IDLType_objref

Creates an IFR objref of the type IDLType.

get_type_def(Objref) -> Return

Types:

Objref = #IFR_objref
Return = #IFR_IDLType_objref

Objref is an IFR object of the kind ConstantDef or AttributeDef. Returns an IFR object of the type IDLType describing the type of the IFR object.

set_type_def(Objref,TypeDef) -> Return

Types:

Objref = #IFR_objref
TypeDef = #IFR_IDLType_objref
Return = ok | {exception, _}

Objref is an IFR object of the kind ConstantDef or AttributeDef. Sets the type_def of the IFR Object.

get_value(Objref) -> Return

Types:

Objref = #IFR_ConstantDef_objref
Return = any()

Returns the value attribute of an IFR Object of the type ConstantDef.

set_value(Objref,Value) -> Return

Types:

Objref = #IFR_ConstantDef_objref
Value = any()
Return = ok | {exception, _}

Sets the value attribute of an IFR Object of the type ConstantDef.

get_members(Objref) -> Return

Types:

Objref = #IFR_objref
Return = list()

Objref is an IFR object the kind StructDef, UnionDef, EnumDef or ExceptionDef. For StructDef, UnionDef and ExceptionDef: Returns a list of structmember records that are the constituent parts of the object. For EnumDef: Returns a list of strings describing the enumerations.

set_members(Objref,Members) -> Return

Types:

Objref = #IFR_objref
Members = list()
Return = ok | {exception, _}

Objref is an IFR object the kind StructDef, UnionDef, EnumDef or ExceptionDef. For StructDef, UnionDef and ExceptionDef: Members is a list of structmember records. For EnumDef: Members is a list of strings describing the enumerations. Sets the members attribute, which are the constituent parts of the exception.

get_discriminator_type(Objref) -> Return

Types:

Objref = #IFR_UnionDef_objref
Return = tuple() (a typecode tuple)

Returns the discriminator typecode of an IFR object of the type UnionDef.

get_discriminator_type_def(Objref) -> Return

Types:

Objref = #IFR_UnionDef_objref
Return = #IFR_IDLType_objref

Returns an IFR object of the type IDLType describing the discriminator type of an IFR object of the type UnionDef.

set_discriminator_type_def(Objref,TypeDef) -> Return

Types:

Objref = #IFR_UnionDef_objref
Return = #IFR_IDLType_objref

Sets the attribute discriminator_type_def, an IFR object of the type IDLType describing the discriminator type of an IFR object of the type UnionDef.

get_original_type_def(Objref) -> Return

Types:

Objref = #IFR_AliasDef_objref
Return = #IFR_IDLType_objref

Returns an IFR object of the type IDLType describing the original type.

set_original_type_def(Objref,TypeDef) -> Return

Types:

Objref = #IFR_AliasDef_objref
Typedef = #IFR_IDLType_objref
Return = ok | {exception, _}

Sets the original_type_def attribute which describes the original type.

get_kind(Objref) -> Return

Types:

Objref = #IFR_PrimitiveDef_objref
Return = atom()

Returns an atom describing the primitive type (See CORBA 2.0 p 6-21).

get_bound(Objref) -> Return

Types:

Objref = #IFR_objref
Return = integer (unsigned long)

Objref is an IFR object the kind StringDef or SequenceDef. For StringDef: returns the maximum number of characters in the string. For SequenceDef: Returns the maximum number of elements in the sequence. Zero indicates an unbounded sequence.

set_bound(Objref,Bound) -> Return

Types:

Objref = #IFR_objref
Bound = integer (unsigned long)
Return = ok | {exception, _}

Objref is an IFR object the kind StringDef or SequenceDef. For StringDef: Sets the maximum number of characters in the string. Bound must not be zero. For SequenceDef: Sets the maximum number of elements in the sequence. Zero indicates an unbounded sequence.

get_element_type(Objref) -> Return

Types:

Objref = #IFR_objref
Return = tuple() (a typecode tuple)

Objref is an IFR object the kind SequenceDef or ArrayDef. Returns the typecode of the elements in the IFR object.

get_element_type_def(Objref) -> Return

Types:

Objref = #IFR_objref
Return = #IFR_IDLType_objref

Objref is an IFR object the kind SequenceDef or ArrayDef. Returns an IFR object of the type IDLType describing the type of the elements in Objref.

set_element_type_def(Objref,TypeDef) -> Return

Types:

Objref = #IFR_objref
TypeDef = #IFR_IDLType_objref
Return = ok | {exception, _}

Objref is an IFR object the kind SequenceDef or ArrayDef. Sets the element_type_def attribute, an IFR object of the type IDLType describing the type of the elements in Objref.

get_length(Objref) -> Return

Types:

Objref = #IFR_ArrayDef_objref
Return = integer() (unsigned long)

Returns the number of elements in the array.

set_length(Objref,Length) -> Return

Types:

Objref = #IFR_ArrayDef_objref
Length = integer() (unsigned long)

Sets the number of elements in the array.

get_mode(Objref) -> Return

Types:

Objref = #IFR_objref
Return = atom()

Objref is an IFR object the kind AttributeDef or OperationDef. For AttributeDef: Return is an atom (’ATTR_NORMAL’ or ’ATTR_READONLY’) specifying the read/write access for this attribute. For OperationDef: Return is an atom (’OP_NORMAL’ or ’OP_ONEWAY’) specifying the mode of the operation.

set_mode(Objref,Mode) -> Return

Types:

Objref = #IFR_objref
Mode = atom()
Return = ok | {exception, _}

Objref is an IFR object the kind AttributeDef or OperationDef. For AttributeDef: Sets the read/write access for this attribute. Mode is an atom (’ATTR_NORMAL’ or ’ATTR_READONLY’). For OperationDef: Sets the mode of the operation. Mode is an atom (’OP_NORMAL’ or ’OP_ONEWAY’).

get_result(Objref) -> Return

Types:

Objref = #IFR_OperationDef_objref
Return = tuple() (a typecode tuple)

Returns a typecode describing the type of the value returned by the operation.

get_result_def(Objref) -> Return

Types:

Objref = #IFR_OperationDef_objref
Return = #IFR_IDLType_objref

Returns an IFR object of the type IDLType describing the type of the result.

set_result_def(Objref,ResultDef) -> Return

Types:

Objref = #IFR_OperationDef_objref
ResultDef = #IFR_IDLType_objref
Return = ok | {exception, _}

Sets the type_def attribute, an IFR Object of the type IDLType describing the result.

get_params(Objref) -> Return

Types:

Objref = #IFR_OperationDef_objref
Return = list() (list of parameter description records)

Returns a list of parameter description records, which describes the parameters of the OperationDef.

set_params(Objref,Params) -> Return

Types:

Objref = #IFR_OperationDef_objref
Params = list() (list of parameter description records)
Return = ok | {exception, _}

Sets the params attribute, a list of parameter description records.

get_contexts(Objref) -> Return

Types:

Objref = #IFR_OperationDef_objref
Return = list() (list of strings)

Returns a list of context identifiers for the operation.

set_contexts(Objref,Contexts) -> Return

Types:

Objref = #IFR_OperationDef_objref
Contexts = list() (list of strings)
Return = ok | {exception, _}

Sets the context attribute for the operation.

get_exceptions(Objref) -> Return

Types:

Objref = #IFR_OperationDef_objref
Return = list() (list of #IFR_ExceptionDef_objrefs)

Returns a list of exception types that can be raised by this operation.

set_exceptions(Objref,Exceptions) -> Return

Types:

Objref = #IFR_OperationDef_objref
Exceptions = list() (list of #IFR_ExceptionDef_objrefs)
Return = ok | {exception, _}

Sets the exceptions attribute for this operation.

get_base_interfaces(Objref) -> Return

Types:

Objref = #IFR_InterfaceDef_objref
Return = list() (list of #IFR_InterfaceDef_objrefs)

Returns a list of InterfaceDefs from which this InterfaceDef inherits.

set_base_interfaces(Objref,BaseInterfaces) -> Return

Types:

Objref = #IFR_InterfaceDef_objref
BaseInterfaces = list() (list of #IFR_InterfaceDef_objrefs)
Return = ok | {exception, _}

Sets the BaseInterfaces attribute.

is_a(Objref,Interface_id) -> Return

Types:

Objref = #IFR_InterfaceDef_objref
Interface_id = #IFR_InterfaceDef_objref
Return = atom() (true or false)

Returns true if the InterfaceDef either is identical to or inherits from Interface_id.

describe_interface(Objref) -> Return

Types:

Objref = #IFR_InterfaceDef_objref
Return = tuple() (a fullinterfacedescription record)

Returns a full inter face description record describing the InterfaceDef.

create_attribute(Objref,Id,Name,Version,Type,Mode) -> Return

Types:

Objref = #IFR_InterfaceDef_objref
Id = string()
Name = string()
Version = string()
Type = #IFR_IDLType_objref
Mode = atom() (’ATTR_NORMAL’ or ’ATTR_READONLY’)
Return = #IFR_AttributeDef_objref

Creates an IFR object of the type AttributeDef contained in this InterfaceDef.

create_operation(Objref,Id,Name,Version,Result,Mode,Params, Exceptions,Contexts) -> Return

Types:

Objref = #IFR_InterfaceDef_objref
Id = string()
Name = string()
Version = string()
Result = #IFR_IDLType_objref
Mode = atom() (’OP_NORMAL’ or ’OP_ONEWAY’)
Params = list() (list of parameter description records)
Exceptions = list() (list of #IFR_ExceptionDef_objrefs)
Contexts = list() (list of strings)
Return = #IFR_OperationDef_objref

Creates an IFR object of the type OperationDef contained in this InterfaceDef.

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