ObjectManager.h

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// Copyright 2002-2013 CEA LIST
// SPDX-FileCopyrightText: 2022 CEA LIST <gael.de-chalendar@cea.fr>
//
// SPDX-License-Identifier: MIT
 
/***************************************************************************
 *   Copyright (C) 2004-2012 by CEA LIST                      *
 *                                                                         *
 ***************************************************************************/
 
#ifndef LIMA_COMMON_ABSTRACTFACTORYPATTERN_OBJECTMANAGER_H
#define LIMA_COMMON_ABSTRACTFACTORYPATTERN_OBJECTMANAGER_H
 
#include "MainFactory.h"
#include "common/AbstractFactoryPattern/AbstractFactoryPatternExport.h"
#include "common/XMLConfigurationFiles/moduleConfigurationStructure.h"
#include "common/XMLConfigurationFiles/xmlConfigurationFileExceptions.h"
 
namespace Lima
{
 
template <typename Object>
class ObjectManager
{
public:
 
  virtual ~ObjectManager();
 
  virtual std::shared_ptr<Object> getObject(const std::string& id);
 
protected:
 
  virtual std::shared_ptr<Object> createObject(const std::string& id) = 0;
 
private:
 
  typedef typename std::map<std::string, std::shared_ptr<Object>> ObjectMap;
  typedef typename std::map<std::string, std::shared_ptr<Object>>::iterator ObjectMapItr;
  ObjectMap m_objects;
};
 
template <typename Object>
ObjectManager<Object>::~ObjectManager()
{
  // for (ObjectMapItr it=m_objects.begin();
  //      it!=m_objects.end();
  //      it++)
  // {
  //   delete it->second;
  //   it->second=0;
  // }
  m_objects.clear();
}
 
template <typename Object>
std::shared_ptr<Object> ObjectManager<Object>::getObject(
  const std::string& id) {
  auto ioItr = m_objects.find(id);
  if (ioItr == m_objects.end())
  {
    auto obj = this->createObject(id);
    m_objects[id] = obj;
    return obj;
  }
  return ioItr->second;
}
 
} // Lima
 
#endif