1-- CA110041.A
2--
3--                             Grant of Unlimited Rights
4--
5--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
6--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
7--     unlimited rights in the software and documentation contained herein.
8--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
9--     this public release, the Government intends to confer upon all
10--     recipients unlimited rights  equal to those held by the Government.
11--     These rights include rights to use, duplicate, release or disclose the
12--     released technical data and computer software in whole or in part, in
13--     any manner and for any purpose whatsoever, and to have or permit others
14--     to do so.
15--
16--                                    DISCLAIMER
17--
18--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
19--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
20--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
21--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
22--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
23--     PARTICULAR PURPOSE OF SAID MATERIAL.
24--*
25--
26-- OBJECTIVE:
27--      See CA110042.AM
28--
29-- TEST DESCRIPTION:
30--      See CA110042.AM
31--
32-- TEST FILES:
33--      The following files comprise this test:
34--
35--         CA110040.A
36--      => CA110041.A
37--         CA110042.AM
38--
39-- CHANGE HISTORY:
40--      06 Dec 94   SAIC    ACVC 2.0
41--      26 Apr 96   SAIC    ACVC 2.1: Modified prologue.
42--
43--!
44
45package CA110040.CA110041 is         -- Child Package Computer_System.Manager
46
47   type User_Account is new Account with private;
48
49   procedure Initialize_User_Account (Acct : out User_Account);
50
51private
52
53-- The private portion of this spec demonstrates that components contained
54-- in the visible part of the parent are directly visible in the private
55-- part of a public child.
56
57   type Account_Access_Type is (None, Guest, User, System);
58
59   type User_Account is new Account with                   -- Parent type.
60      record
61         Privilege : Account_Access_Type := None;
62      end record;
63
64   System_Account : User_Account :=
65     (User_ID   => Administrator_Account.User_ID,          -- Parent constant.
66      Privilege => System);                                -- User_ID has been
67                                                           -- set to 1.
68   Auditor_Account : User_Account :=
69     (User_ID   => Next_Available_ID,                      -- Parent function.
70      Privilege => System);                                -- User_ID has been
71                                                           -- set to 2.
72   Total_Authorized_Accounts : System_Account_Capacity
73     renames Total_Accounts;                               -- Parent object.
74
75   Unauthorized_Account : exception
76     renames Illegal_Account;                              -- Parent exception
77
78end CA110040.CA110041;             -- Child Package Computer_System.Manager
79
80     --=================================================================--
81
82                                 -- Child Package body Computer_System.Manager
83package body CA110040.CA110041 is
84
85   function  Account_Limit_Reached  return Boolean is
86   begin
87      if Total_Authorized_Accounts = Maximum_System_Accounts then
88         return (True);
89      else
90         return (False);
91      end if;
92   end Account_Limit_Reached;
93   ---------------------------------------------------------------
94   function Valid_Account (Acct : User_Account) return Boolean is
95      Result : Boolean := False;
96   begin
97      if (Acct.User_ID /= System_Account.User_ID) and
98         (Acct.User_ID /= Auditor_Account.User_ID)
99      then
100         Result := True;
101      end if;
102      return (Result);
103   end Valid_Account;
104   ---------------------------------------------------------------
105   procedure Initialize_User_Account (Acct : out User_Account) is
106   begin
107      if Account_Limit_Reached then
108         raise Account_Limit_Exceeded;
109      else
110         Acct.User_ID := Next_Available_ID;
111         Acct.Privilege := User;
112      end if;
113      if not Valid_Account (Acct) then
114         raise Unauthorized_Account;
115      end if;
116   end Initialize_User_Account;
117
118end CA110040.CA110041;          -- Child Package body Computer_System.Manager
119