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