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-- C390A021.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.
--*
--
-- OBJECTIVE:
-- See C390A022.AM.
--
-- TEST DESCRIPTION:
-- See C390A022.AM.
--
-- TEST FILES:
-- This test consists of the following files:
--
-- F390A00.A
-- C390A020.A
-- => C390A021.A
-- C390A022.AM
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
-- 04 Jun 96 SAIC ACVC 2.1: Modified prologue.
--
--!
with C390A020; -- Extended alert abstraction.
package C390A021 is
-- Declarations used by component Action_Officer;
type Person_Enum is (Nobody, Duty_Officer,
Watch_Commander, Commanding_Officer);
type Medium_Alert_Type is new C390A020.Low_Alert_Type
with private; -- Private extension of
-- record extension.
-- Inherits (inherited) procedure Display from Low_Alert_Type.
-- Inherits function Level_Of from Low_Alert_Type.
procedure Handle (MA : in out Medium_Alert_Type); -- Override parent's
-- primitive subprog.
procedure Assign_Officer (MA : in out Medium_Alert_Type;
To : in Person_Enum);
-- The following two functions are needed to verify the values of the
-- extension's private components.
function Initial_Values_Okay (MA : in Medium_Alert_Type)
return Boolean;
function Bad_Final_Values (MA : in Medium_Alert_Type)
return Boolean;
private
type Medium_Alert_Type is new C390A020.Low_Alert_Type with record
Action_Officer : Person_Enum := Nobody;
end record;
end C390A021;
--==================================================================--
with F390A00; -- Basic alert abstraction.
use F390A00;
package body C390A021 is
use C390A020; -- Extended alert abstraction.
procedure Assign_Officer (MA : in out Medium_Alert_Type;
To : in Person_Enum) is
begin
MA.Action_Officer := To;
end Assign_Officer;
procedure Handle (MA : in out Medium_Alert_Type) is
begin
Handle (Low_Alert_Type (MA)); -- Call parent's op (type conversion).
MA.Level := Level_Of (MA); -- Call inherited operation.
Assign_Officer (MA, Duty_Officer); -- Call newly declared operation.
MA.Display_On := Console;
Display (MA); -- Call twice-inherited operation.
end Handle;
function Initial_Values_Okay (MA : in Medium_Alert_Type) return Boolean is
begin
return (MA = (Arrival_Time => Default_Time, -- Check "=" operator
Display_On => Null_Device, -- availability.
Level => 0, -- Aggregate with
Action_Officer => Nobody)); -- named associations.
end Initial_Values_Okay;
function Bad_Final_Values (MA : in Medium_Alert_Type) return Boolean is
begin
return (MA /= (Alert_Time, Console, -- Check "/=" operator
2 , Duty_Officer)); -- availability.
end Bad_Final_Values; -- Aggregate with
-- positional assoc.
end C390A021;
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