------------------------------------------------------------------------------
--                                                                          --
--                           POLYORB COMPONENTS                             --
--                                                                          --
--     P O R T A B L E I N T E R C E P T O R . C U R R E N T . I M P L      --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--         Copyright (C) 2004-2012, Free Software Foundation, Inc.          --
--                                                                          --
-- This is free software;  you can redistribute it  and/or modify it  under --
-- terms of the  GNU General Public License as published  by the Free Soft- --
-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
-- sion.  This software is distributed in the hope  that it will be useful, --
-- but WITHOUT ANY WARRANTY;  without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public --
-- License for  more details.                                               --
--                                                                          --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception,   --
-- version 3.1, as published by the Free Software Foundation.               --
--                                                                          --
-- You should have received a copy of the GNU General Public License and    --
-- a copy of the GCC Runtime Library Exception along with this program;     --
-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
-- <http://www.gnu.org/licenses/>.                                          --
--                                                                          --
--                  PolyORB is maintained by AdaCore                        --
--                     (email: sales@adacore.com)                           --
--                                                                          --
------------------------------------------------------------------------------

with PolyORB.CORBA_P.Initial_References;
with PolyORB.CORBA_P.Interceptors_Slots;

with PolyORB.Annotations;
with PolyORB.Tasking.Threads.Annotations;
with PolyORB.Initialization;
with PolyORB.Smart_Pointers;
with PolyORB.Utils.Strings.Lists;

package body PortableInterceptor.Current.Impl is

   use PolyORB.Annotations;
   use PolyORB.CORBA_P.Interceptors_Slots;
   use PolyORB.Tasking.Threads.Annotations;

   function Create return CORBA.Object.Ref;

   procedure Deferred_Initialization;

   ------------
   -- Create --
   ------------

   function Create return CORBA.Object.Ref is
      Result  : Local_Ref;
      Current : constant PolyORB.Smart_Pointers.Entity_Ptr := new Impl.Object;
   begin
      Set (Result, Current);

      return CORBA.Object.Ref (Result);
   end Create;

   -----------------------------
   -- Deferred_Initialization --
   -----------------------------

   procedure Deferred_Initialization is
   begin
      PolyORB.CORBA_P.Initial_References.Register_Initial_Reference
        ("PICurrent", Create'Access);
   end Deferred_Initialization;

   --------------
   -- Get_Slot --
   --------------

   function Get_Slot
     (Self : access Object;
      Id   : SlotId)
      return CORBA.Any
   is
      pragma Unreferenced (Self);

      Npad : Notepad_Access;
      Note : Slots_Note;
   begin
      if not PolyORB.CORBA_P.Interceptors_Slots.ORB_Initializer_Done then
         CORBA.Raise_Bad_Inv_Order
          (CORBA.Bad_Inv_Order_Members'(Minor     => 10,
                                        Completed => CORBA.Completed_No));
      end if;

      Npad := Get_Current_Thread_Notepad;

      Get_Note (Npad.all, Note, Invalid_Slots_Note);

      --  If the slot table is not allocated for this thread then
      --  allocate it

      if not Is_Allocated (Note) then
         Allocate_Slots (Note);
         Set_Note (Npad.all, Note);
      end if;

      return Get_Slot (Note, Id);
   end Get_Slot;

   ----------
   -- Is_A --
   ----------

   function Is_A
     (Self            : not null access Object;
      Logical_Type_Id : Standard.String) return Boolean
   is
      pragma Unreferenced (Self);
   begin
      return
        CORBA.Is_Equivalent
          (Logical_Type_Id, PortableInterceptor.Current.Repository_Id)
          or else
        CORBA.Is_Equivalent
          (Logical_Type_Id, "IDL:omg.org/CORBA/Current:1.0")
          or else
        CORBA.Is_Equivalent
          (Logical_Type_Id, "IDL:omg.org/CORBA/Object:1.0");
   end Is_A;

   --------------
   -- Set_Slot --
   --------------

   procedure Set_Slot
     (Self : access Object;
      Id   : SlotId;
      Data : CORBA.Any)
   is
      pragma Unreferenced (Self);

      Npad : Notepad_Access;
      Note : Slots_Note;
   begin
      if not PolyORB.CORBA_P.Interceptors_Slots.ORB_Initializer_Done then
         CORBA.Raise_Bad_Inv_Order
          (CORBA.Bad_Inv_Order_Members'(Minor     => 10,
                                        Completed => CORBA.Completed_No));
      end if;

      Npad := Get_Current_Thread_Notepad;

      Get_Note (Npad.all, Note, Invalid_Slots_Note);

      --  If the slot table is not allocated for this thread then
      --  allocate it.

      if not Is_Allocated (Note) then
         Allocate_Slots (Note);
      end if;

      Set_Slot (Note, Id, Data);
      Set_Note (Npad.all, Note);
   end Set_Slot;

   use PolyORB.Initialization;
   use PolyORB.Utils.Strings;
   use PolyORB.Utils.Strings.Lists;

begin
   Register_Module
     (Module_Info'
      (Name      => +"portableinterceptor.current",
       Conflicts => Empty,
       Depends   => +"corba.initial_references",
       Provides  => Empty,
       Implicit  => False,
       Init      => Deferred_Initialization'Access,
       Shutdown  => null));
end PortableInterceptor.Current.Impl;
