%%--------------------------------------------------------------------
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%%----------------------------------------------------------------------
%% File : orber_ifr_container.erl
%% Purpose : Code for Container
%%----------------------------------------------------------------------
-module(orber_ifr_container).
-export(['_get_def_kind'/1,
destroy/1,
cleanup_for_destroy/1, %not in CORBA 2.0
lookup/2,
contents/3,
lookup_name/5,
describe_contents/4,
make_absolute_name/2, %not in CORBA 2.0
make_containing_repository/1, %not in CORBA 2.0
add_to_container/5, %not in CORBA 2.0
create_module/4,
create_constant/6,
create_struct/5,
create_union/6,
create_enum/5,
create_alias/5,
create_interface/5,
create_exception/5
]).
-import(orber_ifr_utils,[get_field/2,select/2,construct/3,makeref/1,unique/0]).
-import(lists,[map/2,filter/2,flatten/1,sublist/2]).
-include_lib("orber/include/corba.hrl").
-include("orber_ifr.hrl").
-include("ifr_objects.hrl").
-include_lib("orber/include/ifr_types.hrl").
%%%======================================================================
%%% Container (IRObject)
%%%----------------------------------------------------------------------
%%% Interfaces inherited from IRObject
'_get_def_kind'(ObjRef) ->
orber_ifr_irobject:'_get_def_kind'(ObjRef).
%%% Note, that the destroy function is meant to be called within a
%%% transaction called in the destroy function of an object which
%%% inherits from Container. A Container should only be destroyed by
%%% destroying the object that inherits from a Container. An attempt
%%% to call this function in user code will result in unpredictable
%%% results.
%%% Don't type check the object reference. We need to be able to handle several
%%% types of objects that inherit from Container.
destroy(Container_objref) ->
ObjList = cleanup_for_destroy(Container_objref),
orber_ifr_irobject:destroy([Container_objref | ObjList]).
cleanup_for_destroy(Container_objref) ->
Contents = get_field(Container_objref, contents),
map(fun destroy_thing/1, Contents) ++ Contents.
%%% Destroy objects which inherit from Contained, i.e. objects that populate
%%% the contents list of a Container.
destroy_thing({ObjType,ObjID}) when ObjType == ir_ModuleDef ->
orber_ifr_moduledef:cleanup_for_destroy({ObjType,ObjID});
destroy_thing({ObjType,ObjID}) when ObjType == ir_ConstantDef ->
orber_ifr_constantdef:cleanup_for_destroy({ObjType,ObjID});
destroy_thing({ObjType,ObjID}) when ObjType == ir_TypedefDef ->
orber_ifr_typedef:cleanup_for_destroy({ObjType,ObjID});
destroy_thing({ObjType,ObjID}) when ObjType == ir_StructDef ->
orber_ifr_structdef:cleanup_for_destroy({ObjType,ObjID});
destroy_thing({ObjType,ObjID}) when ObjType == ir_UnionDef ->
orber_ifr_uniondef:cleanup_for_destroy({ObjType,ObjID});
destroy_thing({ObjType,ObjID}) when ObjType == ir_EnumDef ->
orber_ifr_enumdef:cleanup_for_destroy({ObjType,ObjID});
destroy_thing({ObjType,ObjID}) when ObjType == ir_AliasDef ->
orber_ifr_aliasdef:cleanup_for_destroy({ObjType,ObjID});
destroy_thing({ObjType,ObjID}) when ObjType == ir_ExceptionDef ->
orber_ifr_exceptiondef:cleanup_for_destroy({ObjType,ObjID});
destroy_thing({ObjType,ObjID}) when ObjType == ir_AttributeDef ->
orber_ifr_attributedef:cleanup_for_destroy({ObjType,ObjID});
destroy_thing({ObjType,ObjID}) when ObjType == ir_OperationDef ->
orber_ifr_operationdef:cleanup_for_destroy({ObjType,ObjID});
destroy_thing({ObjType,ObjID}) when ObjType == ir_InterfaceDef ->
orber_ifr_interfacedef:cleanup_for_destroy({ObjType,ObjID});
destroy_thing({_ObjType,_ObjID}) ->
%% Unknown object in Container contents.
true.
%%%----------------------------------------------------------------------
%%% Non-inherited interfaces
lookup(ObjRef, Search_name) ->
Contents = contents(ObjRef, dk_All, false),
%% We now have the contents (a list of object references).
%% Let's find all objects with the correct name.
case filter(fun({Type,ID}) ->
orber_ifr_contained:'_get_absolute_name'({Type,ID}) ==
Search_name
end,
Contents) of
[Obj] ->
Obj;
X ->
X
end.
contents(ObjRef, Limit_type, Exclude_inherited) ->
Contents =
flatten(get_field(ObjRef, contents) ++
inherited_contents(ObjRef,Exclude_inherited)),
AllContents =
Contents ++
flatten(subcontents(Limit_type,Contents)),
limit_contents(Limit_type,AllContents).
subcontents(_,[]) -> [];
subcontents(Limit_type,Contents) ->
map(fun(ObjRef) -> contents(ObjRef,Limit_type) end, Contents).
contents({ir_Repository,ObjID},Limit_type) ->
orber_ifr_repository:contents({ir_Repository,ObjID},Limit_type,false);
contents({ir_ModuleDef,ObjID},Limit_type) ->
orber_ifr_moduledef:contents({ir_ModuleDef,ObjID},Limit_type,false);
contents({ir_InterfaceDef,ObjID},Limit_type) ->
orber_ifr_interfacedef:contents({ir_InterfaceDef,ObjID},Limit_type,false);
contents(_,_) -> [].
limit_contents(dk_All,Contents) -> Contents;
limit_contents(Limit_type,Contents) ->
filter(fun(Obj_Ref) -> '_get_def_kind'(Obj_Ref) == Limit_type end,
Contents).
lookup_name(ObjRef, Search_name, Levels_to_search,
Limit_type, Exclude_inherited) ->
Contents = get_field(ObjRef, contents),
AllContents = Contents ++ inherited_contents(ObjRef, Exclude_inherited),
lookup_name(AllContents, Search_name, Levels_to_search, Limit_type).
inherited_contents({ir_InterfaceDef,ObjID}, false) ->
map(fun(ObjRef) -> get_field(ObjRef,contents) end,
orber_ifr_interfacedef:'_get_base_interfaces'({ir_InterfaceDef,ObjID}));
inherited_contents(_, false) -> [];
inherited_contents(_, true) -> [].
lookup_name(Contents, Search_name, Level, Limit_type) ->
filter(fun(X) ->
(orber_ifr_contained:'_get_id'(X) == Search_name)
and
('_get_def_kind'(X) == Limit_type)
end, Contents) ++
sublookup_name(Contents, Search_name, Level - 1, Limit_type).
sublookup_name([],_,_,_) -> [];
sublookup_name(_,_,0,_) -> [];
sublookup_name(Contents, Search_name, Level, Limit_type) ->
map(fun(X) ->
Conts = subcontents(X),
lookup_name(Conts, Search_name, Level - 1, Limit_type)
end, Contents).
subcontents({ir_Repository,ObjID}) ->
get_field({ir_Repository,ObjID}, contents);
subcontents({ir_ModuleDefObjType,ObjID}) ->
get_field({ir_ModuleDef,ObjID}, contents);
subcontents({ir_InterfaceDef,ObjID}) ->
get_field({ir_InterfaceDef,ObjID}, contents);
subcontents(_) -> [].
describe_contents(ObjRef, Limit_type, Exclude_inherited,
Max_returned_objs) ->
Limited_contents = contents(ObjRef,Limit_type,Exclude_inherited),
describe_contents(Limited_contents, Max_returned_objs, []).
describe_contents(_, 0, Acc) ->
Acc;
describe_contents([], _Max_returned_objs, Acc) ->
Acc;
describe_contents([H|T], Max_returned_objs, Acc) ->
Desc = orber_ifr_contained:describe(H),
describe_contents(T, Max_returned_objs-1, [Desc|Acc]).
%% This is a kludge. Se p. 6-11 in CORBA 2.0.
make_absolute_name({ObjType,ObjID}, Name) ->
case ObjType of
ir_Repository ->
"::" ++ Name;
_ ->
orber_ifr_contained:'_get_absolute_name'({ObjType,ObjID}) ++
"::" ++ Name
end.
%% This is a kludge. Se p. 6-15 in CORBA 2.0.
make_containing_repository({ObjType,ObjID}) ->
case ObjType of
ir_Repository ->
{ir_Repository,ObjID};
_ ->
orber_ifr_contained:'_get_containing_repository'({ObjType, ObjID})
end.
add_to_container(ContainerRef,Object, Id, Table, Index) ->
F = fun() ->
[Container_obj] = mnesia:wread(ContainerRef),
case mnesia:index_read(Table, Id, Index) of
[] ->
ObjectRef = makeref(Object),
New_container_obj =
construct(Container_obj,contents,
[ObjectRef | select(Container_obj,contents)]),
mnesia:write(New_container_obj),
mnesia:write(Object);
_ ->
mnesia:abort("duplicate")
end
end,
case mnesia:transaction(F) of
{aborted, "duplicate"} ->
%% Must keep the misspelled word (must match IC generated code).
exit({allready_registered, Id});
{aborted, Reason} ->
orber:dbg("[~p] orber_ifr_container:add_to_container(~p). aborted:~n~p~n",
[?LINE, Id, Reason], ?DEBUG_LEVEL),
corba:raise(#'INTF_REPOS'{completion_status=?COMPLETED_NO});
{atomic, _} ->
ok
end.
add_to_light(#orber_light_ifr_ref{data = Data} = LRef, Id, Type, Name) ->
BaseId = get_base_id(Data#lightdata.id, Id),
NewScope = scoped_name(Data#lightdata.scope, Name, Type),
F = fun() ->
D = #orber_light_ifr{id = Id,
module = list_to_atom(NewScope),
type = Type, base_id = BaseId},
mnesia:write(D)
end,
case mnesia:transaction(F) of
{aborted, Reason} ->
orber:dbg("[~p] orber_ifr_container:add_to_light(~p). aborted:~n~p~n",
[?LINE, Id, Reason], ?DEBUG_LEVEL),
corba:raise(#'INTF_REPOS'{completion_status=?COMPLETED_NO});
{atomic, _} ->
LRef#orber_light_ifr_ref{data = Data#lightdata{scope = NewScope,
id = BaseId}}
end.
get_base_id("", Id) ->
Id;
get_base_id(Id, _) ->
Id.
scoped_name("", Name, _) ->
Name;
scoped_name(Scope, _, ?IFR_ConstantDef) ->
Scope;
scoped_name(Scope, Name, _) ->
Scope ++ "_" ++ Name.
create_module(#orber_light_ifr_ref{} = LRef, Id, Name, _Version) ->
add_to_light(LRef, Id, ?IFR_ModuleDef, Name);
create_module(ObjRef, Id, Name, Version) ->
New_module = #ir_ModuleDef{ir_Internal_ID = unique(),
def_kind = dk_Module,
contents = [],
id = Id,
name = Name,
version = Version,
defined_in = ObjRef,
absolute_name =
make_absolute_name(ObjRef, Name),
containing_repository =
make_containing_repository(ObjRef)},
add_to_container(ObjRef,New_module, Id, ir_ModuleDef, #ir_ModuleDef.id),
makeref(New_module).
create_constant(#orber_light_ifr_ref{} = LRef, Id, Name, _Version, _Type, _Value) ->
add_to_light(LRef, Id, ?IFR_ConstantDef, Name);
create_constant(ObjRef, Id, Name, Version, Type, Value) ->
IDL_typecode = get_field(Type,type),
{Typecode, _} = Value,
case IDL_typecode == Typecode of
false ->
orber:dbg("[~p] ~p:create_constant(~p, ~p, ~p, ~p, ~p, ~p);~n"
"Wrong type.~n",
[?LINE, ?MODULE, ObjRef, Id, Name, Version, Type, Value],
?DEBUG_LEVEL),
corba:raise(#'INTF_REPOS'{completion_status=?COMPLETED_NO});
true ->
New_constant = #ir_ConstantDef{ir_Internal_ID = unique(),
def_kind = dk_Constant,
id = Id,
name = Name,
version = Version,
defined_in = ObjRef,
absolute_name =
make_absolute_name(ObjRef, Name),
containing_repository =
make_containing_repository(ObjRef),
type = get_field(Type,type),
type_def = Type,
value = Value},
add_to_container(ObjRef,New_constant,
Id, ir_ConstantDef, #ir_ConstantDef.id),
makeref(New_constant)
end.
create_struct(#orber_light_ifr_ref{} = LRef, Id, Name, _Version, _Members) ->
add_to_light(LRef, Id, ?IFR_StructDef, Name);
create_struct(ObjRef, Id, Name, Version, Members) ->
New_struct = #ir_StructDef{ir_Internal_ID = unique(),
def_kind = dk_Struct,
id = Id,
name = Name,
version = Version,
defined_in = ObjRef,
absolute_name =
make_absolute_name(ObjRef, Name),
containing_repository =
make_containing_repository(ObjRef),
type = {tk_struct, Id, Name,
map(fun(#structmember{name=MemName,
type=Type}) ->
{MemName,Type} end,
Members)},
members = Members},
add_to_container(ObjRef, New_struct, Id, ir_StructDef, #ir_StructDef.id),
makeref(New_struct).
create_union(#orber_light_ifr_ref{} = LRef, Id, Name, _Version,
_Discriminator_type, _Members) ->
add_to_light(LRef, Id, ?IFR_UnionDef, Name);
create_union(ObjRef, Id, Name, Version,
Discriminator_type, Members) ->
Discriminator_type_code = get_field(Discriminator_type, type),
New_union = #ir_UnionDef{ir_Internal_ID = unique(),
def_kind = dk_Union,
id = Id,
name = Name,
version = Version,
defined_in = ObjRef,
absolute_name =
make_absolute_name(ObjRef, Name),
containing_repository =
make_containing_repository(ObjRef),
type = {tk_union, Id, Name,
Discriminator_type_code, -1,
map(fun(#unionmember{name=MemName,
label=Label,
type=Type}) ->
{Label,MemName,Type} end,
Members)},
discriminator_type = Discriminator_type_code,
discriminator_type_def = Discriminator_type,
members = Members},
add_to_container(ObjRef, New_union, Id, ir_UnionDef, #ir_UnionDef.id),
makeref(New_union).
create_enum(#orber_light_ifr_ref{} = LRef, Id, Name, _Version, _Members) ->
add_to_light(LRef, Id, ?IFR_EnumDef, Name);
create_enum(ObjRef, Id, Name, Version, Members) ->
New_enum = #ir_EnumDef{ir_Internal_ID = unique(),
def_kind = dk_Enum,
id = Id,
name = Name,
version = Version,
defined_in = ObjRef,
absolute_name =
make_absolute_name(ObjRef, Name),
containing_repository =
make_containing_repository(ObjRef),
type = {tk_enum, Id, Name, Members},
members = Members},
add_to_container(ObjRef, New_enum, Id, ir_EnumDef, #ir_EnumDef.id),
makeref(New_enum).
create_alias(#orber_light_ifr_ref{} = LRef, Id, Name, _Version, _Original_type) ->
add_to_light(LRef, Id, ?IFR_AliasDef, Name);
create_alias(ObjRef, Id, Name, Version, Original_type) ->
New_alias = #ir_AliasDef{ir_Internal_ID = unique(),
def_kind = dk_Alias,
id = Id,
name = Name,
version = Version,
defined_in = ObjRef,
absolute_name =
make_absolute_name(ObjRef, Name),
containing_repository =
make_containing_repository(ObjRef),
type = {tk_alias, Id, Name,
get_field(Original_type,type)},
original_type_def = Original_type},
add_to_container(ObjRef, New_alias, Id, ir_AliasDef, #ir_AliasDef.id),
makeref(New_alias).
create_interface(#orber_light_ifr_ref{} = LRef, Id, Name, _Version, _Base_interfaces) ->
add_to_light(LRef, Id, ?IFR_InterfaceDef, Name);
create_interface(ObjRef, Id, Name, Version, Base_interfaces) ->
New_interface = #ir_InterfaceDef{ir_Internal_ID = unique(),
def_kind = dk_Interface,
contents = [],
id = Id,
name = Name,
version = Version,
defined_in = ObjRef,
absolute_name =
make_absolute_name(ObjRef,Name),
containing_repository =
make_containing_repository(ObjRef),
type = {tk_objref, Id, Name},
base_interfaces = Base_interfaces},
add_to_container(ObjRef, New_interface, Id, ir_InterfaceDef, #ir_InterfaceDef.id),
makeref(New_interface).
create_exception(#orber_light_ifr_ref{} = LRef, Id, Name, _Version, _Members) ->
add_to_light(LRef, Id, ?IFR_ExceptionDef, Name);
create_exception(ObjRef, Id, Name, Version, Members) ->
New_exception = #ir_ExceptionDef{ir_Internal_ID = unique(),
def_kind = dk_Exception,
id = Id,
name = Name,
version = Version,
defined_in = ObjRef,
absolute_name =
make_absolute_name(ObjRef,Name),
containing_repository =
make_containing_repository(ObjRef),
type = {tk_except, Id, Name,
map(fun(#structmember{name=MemName,
type=Type})
->
{MemName,Type} end,
Members)},
members = Members},
add_to_container(ObjRef, New_exception, Id, ir_ExceptionDef, #ir_ExceptionDef.id),
makeref(New_exception).
