TSupplierCompWrap.h

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/********************************************************************************
**  This file is part of the ICF Framework. Copyright (C) Witold Gantzke & Kirill Lepskiy
**  ICF Framework may be used under the terms of the LGPL License v. 2.1 by the Free Software Foundation.
********************************************************************************/
 
#ifndef iinsp_TSupplierCompWrap_included
#define iinsp_TSupplierCompWrap_included
 
 
// ICF includes
#include <iinsp/CSupplierCompBase.h>
 
 
namespace iinsp
{
 
 
template <class Product>
class TSupplierCompWrap: public CSupplierCompBase
{
public:
    typedef CSupplierCompBase BaseClass;
    typedef Product ProductType;
 
    I_BEGIN_BASE_COMPONENT(TSupplierCompWrap);
    I_END_COMPONENT;
 
    // reimplemented (iinsp::CSupplierCompBase)
    int ProcessWorkOutput() override;
 
    // reimplemented (iinsp::ISupplier)
    void ClearWorkResults() override;
 
protected:
    const Product* GetWorkProduct() const;
 
    // abstract methods
    virtual int ProduceObject(Product& result) const = 0;
 
protected:
    std::unique_ptr<Product> m_productPtr;
};
 
 
// public methods
 
// reimplemented (iinsp::CSupplierCompBase)
template <class Product>
int TSupplierCompWrap<Product>::ProcessWorkOutput()
{
    if (m_productPtr == nullptr){
        m_productPtr = std::make_unique<Product>();
    }
 
    return ProduceObject(*m_productPtr);
}
 
 
// reimplemented (iinsp::ISupplier)
 
template <class Product>
void TSupplierCompWrap<Product>::ClearWorkResults()
{
    if (BaseClass::GetWorkStatus() == WS_LOCKED){
        return;
    }
 
    ChangeSet changes(iinsp::ISupplier::CF_SUPPLIER_RESULTS);
    istd::CChangeNotifier changeNotifier(this, &changes);
 
    m_productPtr = nullptr;
 
    BaseClass::ClearWorkResults();
}
 
 
// protected methods
 
template <class Product>
const Product* TSupplierCompWrap<Product>::GetWorkProduct() const
{
    const_cast< TSupplierCompWrap<Product>* >(this)->EnsureWorkFinished();
 
    if (BaseClass::GetWorkStatus() <= WS_OK){
        return m_productPtr.get();
    }
    else{
        return nullptr;
    }
}
 
 
} // namespace iinsp
 
 
#endif // !iinsp_TSupplierCompWrap_included