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/*****************************************************************************
*
* Copyright (c) 2000 - 2010, Lawrence Livermore National Security, LLC
* Produced at the Lawrence Livermore National Laboratory
* LLNL-CODE-400124
* All rights reserved.
*
* This file is part of VisIt. For details, see https://visit.llnl.gov/. The
* full copyright notice is contained in the file COPYRIGHT located at the root
* of the VisIt distribution or at http://www.llnl.gov/visit/copyright.html.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the disclaimer (as noted below) in the
* documentation and/or other materials provided with the distribution.
* - Neither the name of the LLNS/LLNL nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL LAWRENCE LIVERMORE NATIONAL SECURITY,
* LLC, THE U.S. DEPARTMENT OF ENERGY OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
*****************************************************************************/
#ifndef ATTRIBUTESUBJECT_H
#define ATTRIBUTESUBJECT_H
#include <state_exports.h>
#include <AttributeGroup.h>
#include <Subject.h>
// ****************************************************************************
// Class: AttributeSubject
//
// Purpose:
// This is a base class for state objects that can be transmitted
// across a connection. It inherits an interface from Subject so it
// can tell its observers when it changes.
//
// Notes:
//
// Programmer: Brad Whitlock
// Creation: Mon Aug 7 12:52:00 PDT 2000
//
// Modifications:
// Kathleen Bonnell, Fri Oct 19 15:33:35 PDT 2001
// Added virtual method VarChangeRequiresReset.
//
// Brad Whitlock, Mon Feb 11 15:26:34 PST 2002
// Added a new method to create compatible types.
//
// Brad Whitlock, Wed Jul 23 11:15:49 PDT 2003
// Added a new method to create a new instance that does not have to
// be initialized from the calling object.
//
// Kathleen Bonnell, Tue Jun 20 16:02:38 PDT 2006
// Added virtual method TypeName so that derived classes can have their
// names printed in log files.
//
// ****************************************************************************
class STATE_API AttributeSubject : public AttributeGroup, public Subject
{
public:
AttributeSubject(const char *);
virtual ~AttributeSubject();
virtual void SelectAll() = 0;
virtual const std::string TypeName() const;
virtual void Notify();
virtual AttributeSubject *CreateCompatible(const std::string &) const;
virtual AttributeSubject *NewInstance(bool copy) const { return 0; };
virtual bool VarChangeRequiresReset(void) { return false; };
};
#endif
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