-- Created on: 1993-01-09
-- Created by: CKY / Contract Toubro-Larsen ( TCD )
-- Copyright (c) 1993-1999 Matra Datavision
-- Copyright (c) 1999-2012 OPEN CASCADE SAS
--
-- The content of this file is subject to the Open CASCADE Technology Public
-- License Version 6.5 (the "License"). You may not use the content of this file
-- except in compliance with the License. Please obtain a copy of the License
-- at http://www.opencascade.org and read it completely before using this file.
--
-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
--
-- The Original Code and all software distributed under the License is
-- distributed on an "AS IS" basis, without warranty of any kind, and the
-- Initial Developer hereby disclaims all such warranties, including without
-- limitation, any warranties of merchantability, fitness for a particular
-- purpose or non-infringement. Please see the License for the specific terms
-- and conditions governing the rights and limitations under the License.


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;