--
-- File      :  DefinitionLevel.cdl
-- Created   :  Sat 9 Jan 1993
-- Author    : CKY / Contract Toubro-Larsen ( TCD )
--
---Copyright : MATRA-DATAVISION  1993
--

class DefinitionLevel from IGESGraph  inherits LevelListEntity

        ---Purpose: defines IGESDefinitionLevel, Type <406> Form <1>
        --          in package IGESGraph
        --
        --          Indicates the no. of levels on which an entity is
        --          defined

uses

        IGESEntity       from IGESData,
        HArray1OfInteger from TColStd

raises OutOfRange

is

        Create returns mutable DefinitionLevel;

        -- Specific Methods pertaining to the class

        Init (me              : mutable;
              allLevelNumbers : HArray1OfInteger);
        ---Purpose : This method is used to set the fields of the class
        --           DefinitionLevel
        --       - allLevelNumbers : Values of Level Numbers

        NbPropertyValues (me) returns Integer;
        ---Purpose : returns the number of property values in <me>

        NbLevelNumbers (me) returns Integer;
        ---Purpose : Must return the count of levels (== NbPropertyValues)

        LevelNumber (me; LevelIndex : Integer) returns Integer
        raises OutOfRange;
        ---Purpose : returns the Level Number of <me> indicated by <LevelIndex>
        -- raises an exception if LevelIndex is <= 0 or
        -- LevelIndex > NbPropertyValues

fields

--
-- Class    : IGESGraph_DefinitionLevel
--
-- Purpose  : Declaration of the variables specific to a Definition Level.
--
-- Reminder : A Definition Level is defined by :
--              - Level Numbers

        theLevelNumbers : HArray1OfInteger;

end DefinitionLevel;