daiApiUtils.h

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// Copyright (C) 2002-2019, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valueuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Open Design Alliance software pursuant to a license 
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2019 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
#ifndef _DAI_API_UTILS_H_
#define _DAI_API_UTILS_H_
 
#include "OdaCommon.h"
#include "daiBuildOptions.h"
 
#include "daiRepository.h"
#include "daiModel.h"
 
#include "RxObject.h"
 
#include "OdString.h"
#include "SmartPtr.h"
 
#include "sdai.h"
 
namespace OdDAI
{
  namespace Utils
  {
    class ModelProvider
    {
    public:
      ModelProvider(const ModelPtr& model)
        : m_model(model)
      {
        ODA_ASSERT(!model.isNull() && model->mode() != Access_type_unset);
      }
 
      virtual ~ModelProvider()
      {
        if (m_model.isNull())
        {
          return;
        }
 
        //auto close model
        m_model->closeModel();
      }
 
      template <class TModel>
      OdSmartPtr<TModel> model()
      {
        if (m_model.isNull())
        {
          return OdSmartPtr<TModel>();
        }
 
        return TModel::cast(m_model);
      }
 
    private:
      ModelPtr  m_model;
    };
 
    class ModelProviderRO 
      : public  ModelProvider
    {
    public:
      ModelProviderRO(const RepositoryPtr& repository, const OdAnsiString& modelName = REPOSITORY_DEFAULE_MODEL_NAME)
        : ModelProvider(!repository.isNull() ? repository->getModel(modelName) : ModelPtr())
      {}
 
      ModelProviderRO(const Repository* repository, const OdAnsiString& modelName = REPOSITORY_DEFAULE_MODEL_NAME)
        : ModelProvider(repository ? repository->getModel(modelName) : ModelPtr())
      {}
    };
 
    class ModelProviderRW
      : public  ModelProvider
    {
    public:
      ModelProviderRW(RepositoryPtr& repository, const OdAnsiString& modelName = REPOSITORY_DEFAULE_MODEL_NAME)
        : ModelProvider(!repository.isNull() ? repository->getModelRW(modelName) : ModelPtr())
      {}
 
      ModelProviderRW(Repository* repository, const OdAnsiString& modelName = REPOSITORY_DEFAULE_MODEL_NAME)
        : ModelProvider(repository ? repository->getModelRW(modelName) : ModelPtr())
      {}
    };
 
  }
}
 
#endif // _DAI_API_UTILS_H_