rem 
rem $Header: L:\\\\model\\repman40\\api\\RCS\\ciatv.hpb 1.1 1998/05/28 16:04:43 mfrobins Exp $ 
rem 
Rem  Copyright (c) 1994 by Oracle Corporation 
Rem    NAME
Rem      ciatv.hpb - <one-line expansion of the name>
Rem    DESCRIPTION
Rem      <short description of component this file declares/defines>
Rem    RETURNS
Rem 
Rem    NOTES
Rem      <other useful comments, qualifications, etc.>
Rem    MODIFIED   (MM/DD/YY)
Rem     jwetherb   10/13/94 -  Creation 
REM ***************************************************************************
REM   Hand-carved package body for ATTRIBUTE VALUE created on 12-OCT-94
REM ***************************************************************************
CREATE OR REPLACE PACKAGE BODY cihatv IS

  -- Generic post-process routines
  PROCEDURE check_delete(id number);

  sac_type constant varchar2(6) := 'ATV';
  pac_type varchar2(6);
  pac_reference number;

--======================== PRE-PROCESS (INS,UPD) ============================--

PROCEDURE pre_process(operation varchar2,id number,
  pl in out NOCOPY cioattribute_value.data)
IS
BEGIN
  -- Calculate the PAC reference which determines access control rights
--  pac_reference := nvl(nvl(nvl(nvl(
--    pl.v.attribute_reference,pl.v.column_reference),pl.v.domain_reference),
--    pl.v.module_argument_reference), pl.v.unbound_item_reference);
--  pac_type := ciiutl.short_type(pac_reference);

  -- Access rights for attribute value derive from the attribute/column/
  --   domain/module_argument reference
-- Access rights checking performed by triggers in config 4.0.9
--  ciiacc.check_access_rights(pac_reference,pac_type,'UPD');

  -- Initialize unassigned properties with default values on INSERT
  if operation = 'INS' then
    pl.v.element_type_name := sac_type;
    pl.i.element_type_name := true;

    if pl.v.attribute_reference is not null then
      pl.v.attribute_value_for := 'ATT';
    elsif pl.v.column_reference is not null then
      pl.v.attribute_value_for := 'COL';
    elsif pl.v.domain_reference is not null then
      pl.v.attribute_value_for := 'DOM';
    elsif pl.v.unbound_item_reference is not null then
      pl.v.attribute_value_for := 'UBI';
    else
      pl.v.attribute_value_for := 'ARG';
    end if;
    pl.i.attribute_value_for := true;

  end if;
--#BEGIN
  -- Validate user-defined properties
  if cieval.is_extended then
    cieval.check_element(id,pl.v.types,(operation='UPD')
      ,pl.v.user_defined_property_0,pl.i.user_defined_property_0
      ,pl.v.user_defined_property_1,pl.i.user_defined_property_1
      ,pl.v.user_defined_property_2,pl.i.user_defined_property_2
      ,pl.v.user_defined_property_3,pl.i.user_defined_property_3
      ,pl.v.user_defined_property_4,pl.i.user_defined_property_4
      ,pl.v.user_defined_property_5,pl.i.user_defined_property_5
      ,pl.v.user_defined_property_6,pl.i.user_defined_property_6
      ,pl.v.user_defined_property_7,pl.i.user_defined_property_7
      ,pl.v.user_defined_property_8,pl.i.user_defined_property_8
      ,pl.v.user_defined_property_9,pl.i.user_defined_property_9
      ,pl.v.user_defined_property_10,pl.i.user_defined_property_10
      ,pl.v.user_defined_property_11,pl.i.user_defined_property_11
      ,pl.v.user_defined_property_12,pl.i.user_defined_property_12
      ,pl.v.user_defined_property_13,pl.i.user_defined_property_13
      ,pl.v.user_defined_property_14,pl.i.user_defined_property_14
      ,pl.v.user_defined_property_15,pl.i.user_defined_property_15
      ,pl.v.user_defined_property_16,pl.i.user_defined_property_16
      ,pl.v.user_defined_property_17,pl.i.user_defined_property_17
      ,pl.v.user_defined_property_18,pl.i.user_defined_property_18
      ,pl.v.user_defined_property_19,pl.i.user_defined_property_19
      );
  end if;

  declare
    uc varchar2(1);
  begin
    if pac_type = 'COL' and pl.i.column_reference then
      select max(uppercase)
        into uc
        from ci_columns
        where id = pl.v.column_reference;
      if uc = 'Y' then
        pl.v.low_value := nls_upper(pl.v.low_value);
        pl.v.high_value := nls_upper(pl.v.high_value);
        pl.i.low_value := true;
        pl.i.high_value := true;
      end if;
    end if;
  end;
--#END
END;

--======================== PRE-PROCESS (DEL,SEL) ============================--

PROCEDURE pre_process(operation varchar2,id number)
IS
BEGIN
  -- Access rights for attribute value derive from the attribute/column/
  --   domain/module_argument reference
-- Access rights checking performed by triggers in config 4.0.9
--  ciiacc.check_access_rights(id,sac_type,operation,'SAC');

  -- if operation is 'DELETE', make sure no non-cascading references exist
  if operation = 'DEL' then
    check_delete(id);
  end if;
END;

--===================== POST-PROCESS (INS,UPD,SEL) ==========================--

PROCEDURE post_process(operation varchar2,id number,
  pl in out NOCOPY cioattribute_value.data)
IS
BEGIN
  null;
--#BEGIN
  -- Reset unused arc references to NULL
  if pl.v.attribute_value_for != 'ATT' then
    pl.v.attribute_reference := null;
  elsif pl.v.attribute_value_for != 'COL' then
    pl.v.column_reference := null;
  elsif pl.v.attribute_value_for != 'DOM' then
    pl.v.domain_reference := null;
  elsif pl.v.attribute_value_for != 'ARG' then
    pl.v.module_argument_reference := null;
  end if;
--#END
END;

--========================= POST PROCESS (DEL) ==============================--

PROCEDURE post_process(operation varchar2,id number)
IS
BEGIN
  if operation = 'DEL' then
    -- Delete the attribute value and all it's related sub-bits
    ciiutl.delete_element(id,sac_type);
  end if;
END;

--============================= CHECK DELETE ================================--

PROCEDURE check_delete(id number)
IS
  dummy number;
  error_count number := 0;
BEGIN
  null;
END;

--============================= IS_RANGE_OK =================================--
FUNCTION is_range_ok(low_value in varchar2, high_value in varchar2) 
RETURN boolean
IS
  low_num  number;
  high_num number;
  low_date  date;
  high_date date;
BEGIN
  -- The following code test if the string low_value and high_value
  -- are numbers if they are both numbers then a numeric comparison is
  -- made otherwise a string comparison is made.
  if low_value is null or high_value is null then
    return(false);
  end if;
  if high_value = '$$DBDATE$$' then
    return (true);
  end if;
  begin
    low_num := low_value;
    high_num := high_value;
    -- both low_value and high_values are numbers!
    return(low_num <= high_num);
  exception
    when VALUE_ERROR then
      null;
    when others then
      raise;
  end;
  return(true);
  -- Following code is now ignored, as it is impossible to
  -- discriminate between dates and varchars, without being
  -- given the format mask, so now no validation is performed.
  -- Also if these are to be Check Constraints in Oracle8
  -- they must be to_date(...), and now it's getting really
  -- tricky to validate! Dynamic SQL might be a solution?
  -- B647650
  begin
    low_date := low_value;
    high_date := high_value;
    -- both low_value and high_values are dates!
    return(low_date <= high_date);
  exception
    when OTHERS then
      -- either low_value or high_value is NOT a number or date!
--      dbms_output.put_line(SQLCODE);
      if SQLCODE between -1899 and -1800 then -- these are the date conversion errors
--        dbms_output.put_line('A1');
        null;
      else
--        dbms_output.put_line('A2');
        raise;
      end if;
  end;
  return(low_value <= high_value);
END;

--================================== END ====================================--
--
-- Package instantiation block
--
BEGIN
  is_installed := true;
END;
/