-- Created on: 1997-12-03 -- Created by: Yves FRICAUD -- Copyright (c) 1997-1999 Matra Datavision -- Copyright (c) 1999-2014 OPEN CASCADE SAS -- -- This file is part of Open CASCADE Technology software library. -- -- This library is free software; you can redistribute it and/or modify it under -- the terms of the GNU Lesser General Public License version 2.1 as published -- by the Free Software Foundation, with special exception defined in the file -- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT -- distribution for complete text of the license and disclaimer of any warranty. -- -- Alternatively, this file may be used under the terms of Open CASCADE -- commercial license or contractual agreement. private class DeltaOnModification from TNaming inherits DeltaOnModification from TDF ---Purpose: This class provides default services for an -- AttributeDelta on a MODIFICATION action. -- -- Applying this AttributeDelta means GOING BACK to -- the attribute previously registered state. uses Attribute from TDF, HArray1OfShape from TopTools, NamedShape from TNaming is Create (NS : NamedShape from TNaming) returns DeltaOnModification from TNaming; ---Purpose: Initializes a TDF_DeltaOnModification. Apply (me : mutable) is redefined virtual; ---Purpose: Applies the delta to the attribute. fields myOld : HArray1OfShape from TopTools; myNew : HArray1OfShape from TopTools; end DeltaOnModification;