-- Created on: 2000-08-22
-- Created by: Andrey BETENEV
-- Copyright (c) 2000-2014 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.

deferred class Operator from ShapeProcess inherits TShared from MMgt

    ---Purpose: Abstract Operator class providing a tool to
    --          perform an operation on Context

uses

    Context from ShapeProcess

is

    Perform (me: mutable; context: Context from ShapeProcess)
    returns Boolean is deferred;
    	---Purpose: Performs operation and eventually records 
        --          changes in the context

end Operator;