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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#ifndef _FACTORY_H_
#define _FACTORY_H_
template<typename PRODUCT>
class Factory
{
public:
virtual PRODUCT* Create() = 0;
virtual ~Factory() {}
};
template<typename PRODUCT, DWORD MAX_FACTORY_PRODUCT = 64>
class InlineFactory : public Factory<PRODUCT>
{
public:
InlineFactory() : m_next(NULL), m_cProduct(0) { WRAPPER_NO_CONTRACT; }
~InlineFactory() { WRAPPER_NO_CONTRACT; if (m_next) delete m_next; }
PRODUCT* Create();
private:
InlineFactory* GetNext()
{
CONTRACTL {
NOTHROW;
GC_NOTRIGGER;
} CONTRACTL_END;
if (m_next == NULL)
{
m_next = new (nothrow) InlineFactory<PRODUCT, MAX_FACTORY_PRODUCT>();
}
return m_next;
}
InlineFactory* m_next;
PRODUCT m_product[MAX_FACTORY_PRODUCT];
INT32 m_cProduct;
};
#include "factory.inl"
#endif
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