VariableFactoryRegisterer.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2026 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* VariableFactoryRegisterer.h                                 (C) 2000-2025 */
/*                                                                           */
/* Singleton allowing registration of a variable factory.                    */
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#ifndef ARCANE_CORE_VARIABLEFACTORYREGISTERER_H
#define ARCANE_CORE_VARIABLEFACTORYREGISTERER_H
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#include "arcane/core/VariableTypeInfo.h"
 
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namespace Arcane
{
 
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class ARCANE_CORE_EXPORT VariableFactoryRegisterer
{
 public:
 
  using VariableFactoryFunc = VariableFactoryVariableRefCreateFunc;
 
 public:

  VariableFactoryRegisterer(VariableFactoryFunc func, const VariableTypeInfo& var_type_info);
 
 public:

  IVariableFactory* createFactory();

  VariableFactoryRegisterer* previousVariableFactory() const { return m_previous; }

  VariableFactoryRegisterer* nextVariableFactory() const { return m_next; }

  eItemKind itemKind() const { return m_variable_type_info.itemKind(); }

  eDataType dataType() const { return m_variable_type_info.dataType(); }

  Integer dimension() const { return m_variable_type_info.dimension(); }

  Integer multiTag() const { return m_variable_type_info.multiTag(); }

  bool isPartial() const { return m_variable_type_info.isPartial(); }

  const VariableTypeInfo& variableTypeInfo() const { return m_variable_type_info; }

  void setPreviousVariableFactory(VariableFactoryRegisterer* s) { m_previous = s; }

  void setNextVariableFactory(VariableFactoryRegisterer* s) { m_next = s; }
 
 public:
 
  static VariableFactoryRegisterer* firstVariableFactory();
 
 private:

  VariableFactoryFunc m_function;

  VariableTypeInfo m_variable_type_info;

  VariableFactoryRegisterer* m_previous;

  VariableFactoryRegisterer* m_next;
};
 
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} // End namespace Arcane
 
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#endif