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-- File: ViewKindEntity.cdl
-- Created: Tue Apr 7 16:06:14 1992
-- Author: Christian CAILLET
-- <cky@phobox>
---Copyright: Matra Datavision 1992
deferred class ViewKindEntity from IGESData inherits IGESEntity
---Purpose : defines required type for ViewKind in directory part
-- that is, Single view or Multiple view
-- An effective ViewKind entity must inherit it and define
-- IsSingle (True for Single, False for List of Views),
-- NbViews and ViewItem (especially for a List)
uses Boolean
raises OutOfRange
is
IsSingle (me) returns Boolean is deferred;
---Purpose : says if "me" is a Single View (True) or a List of Views (False)
NbViews (me) returns Integer is deferred;
---Purpose : Returns the count of Views for a List of Views. For a Single
-- View, may return simply 1
ViewItem (me; num : Integer) returns ViewKindEntity
raises OutOfRange is deferred;
---Purpose : Returns the View n0. <num> for a List of Views. For a Single
-- Views, may return <me> itself
end ViewKindEntity;
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