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973c2be1e1
The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
41 lines
1.5 KiB
Plaintext
41 lines
1.5 KiB
Plaintext
-- Created on: 1992-10-21
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-- Created by: Christian CAILLET
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-- Copyright (c) 1992-1999 Matra Datavision
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-- Copyright (c) 1999-2014 OPEN CASCADE SAS
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--
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-- This file is part of Open CASCADE Technology software library.
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--
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-- This library is free software; you can redistribute it and / or modify it
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-- under the terms of the GNU Lesser General Public version 2.1 as published
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-- by the Free Software Foundation, with special exception defined in the file
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-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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-- distribution for complete text of the license and disclaimer of any warranty.
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--
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-- Alternatively, this file may be used under the terms of Open CASCADE
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-- commercial license or contractual agreement.
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deferred class SingleParentEntity from IGESData inherits IGESEntity
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---Purpose : a SingleParentEntity is a kind of IGESEntity which can refer
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-- to a (Single) Parent, from Associativities list of an Entity
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-- a effective SingleParent definition entity must inherit it
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uses Integer
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raises OutOfRange
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is
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SingleParent (me) returns IGESEntity is deferred;
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---Purpose : Returns the parent designated by the Entity, if only one !
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NbChildren (me) returns Integer is deferred;
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---Purpose : Returns the count of Entities designated as children
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Child (me; num : Integer) returns IGESEntity
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---Purpose : Returns a Child given its rank
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raises OutOfRange is deferred;
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-- Error if <num> is below one or over <NbChildren>
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end SingleParentEntity;
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