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-- F390A00.A
--
-- Grant of Unlimited Rights
--
-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
-- unlimited rights in the software and documentation contained herein.
-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
-- this public release, the Government intends to confer upon all
-- recipients unlimited rights equal to those held by the Government.
-- These rights include rights to use, duplicate, release or disclose the
-- released technical data and computer software in whole or in part, in
-- any manner and for any purpose whatsoever, and to have or permit others
-- to do so.
--
-- DISCLAIMER
--
-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
-- PARTICULAR PURPOSE OF SAID MATERIAL.
--*
--
-- FOUNDATION DESCRIPTION:
-- This file declares the root type and primitive subprograms of an
-- alert system abstraction, to be used for tests covering tagged
-- types and type extensions.
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
-- 04 Jun 96 SAIC ACVC 2.1: Added pragma Elaborate for Ada.Calendar.
--
--!
with Ada.Calendar;
pragma Elaborate (Ada.Calendar);
package F390A00 is -- Alert system abstraction.
-- Declarations used by component Display_On and procedure Display.
type Device_Enum is (Null_Device, Teletype, Console, Big_Screen);
type Display_Counters is array (Device_Enum) of Natural;
Display_Count_For : Display_Counters := (others => 0);
-- Declarations used by component Arrival_Time.
Default_Time : constant Ada.Calendar.Time :=
Ada.Calendar.Time_Of (1901, 1, 1);
Alert_Time : constant Ada.Calendar.Time :=
Ada.Calendar.Time_Of (1991, 6, 15);
type Alert_Type is tagged record -- Root tagged type.
Arrival_Time : Ada.Calendar.Time := Default_Time;
Display_On : Device_Enum := Null_Device;
end record;
procedure Display (A : in Alert_Type); -- To be inherited by
-- all derivatives.
procedure Handle (A : in out Alert_Type); -- To be overridden by
-- all derivatives.
end F390A00;
--==================================================================--
package body F390A00 is -- Alert system abstraction.
procedure Display (A : in Alert_Type) is
begin
Display_Count_For (A.Display_On) := Display_Count_For (A.Display_On) + 1;
end Display;
procedure Handle (A : in out Alert_Type) is
begin
A.Arrival_Time := Alert_Time;
Display (A);
end Handle;
end F390A00;
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