Invalidator.h

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#ifndef OPAL_Invalidator_HH
#define OPAL_Invalidator_HH
 
// ------------------------------------------------------------------------
// $RCSfile: Invalidator.h,v $
// ------------------------------------------------------------------------
// $Revision: 1.1 $
// ------------------------------------------------------------------------
// Copyright: see Copyright.readme
// ------------------------------------------------------------------------
//
// Class: Invalidator
//
// ------------------------------------------------------------------------
//
// $Date: 2000/03/29 10:40:35 $
// $Author: opal $
//
// ------------------------------------------------------------------------
 
 
// Class Invalidator
// ------------------------------------------------------------------------
//  object goes out of scope.
 
class Invalidator {
 
public:
 
    //  Set an internal flag so as to force re-evaluation of any expression
    //  when the value is referred next time.
    virtual void invalidate();
};
 
#endif // OPAL_Invalidator_HH