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Add CRTP base class for the policies of the generic device

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This commit is contained in:
NicolasWinckler
2015-10-14 17:12:19 +02:00
parent 559c7babca
commit 323033c9eb
12 changed files with 341 additions and 13 deletions
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69
fairmq/devices/BaseProcessorTaskPolicy.h Normal file
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/*
* File: BaseProcessorTaskPolicy.h
* Author: winckler
*
* Created on October 14, 2015, 1:01 PM
*/
#ifndef BASEPROCESSORTASKPOLICY_H
#define BASEPROCESSORTASKPOLICY_H
#include <type_traits>
// CRTP base class
template <typename TDerived >
class BaseProcessorTaskPolicy
{
public:
BaseProcessorTaskPolicy()
{}
virtual ~BaseProcessorTaskPolicy()
{}
template<typename C = TDerived>
auto GetOutputData() -> decltype(static_cast<C*>(this)->GetOutputData() )
{
static_assert(std::is_same<C, TDerived>{}, "BaseProcessorTaskPolicy::GetOutputData hack broken");
return static_cast<TDerived*>(this)->GetOutputData();
}
template<typename CONTAINER_TYPE, typename C = TDerived>
auto ExecuteTask(CONTAINER_TYPE container) -> decltype( static_cast<C*>(this)->ExecuteTask(container) )
{
static_assert(std::is_same<C, TDerived>{}, "BaseProcessorTaskPolicy::ExecuteTask hack broken");
return static_cast<TDerived*>(this)->ExecuteTask(container);
}
};
/*
// c++14 code only
// CRTP base class
template <typename TDerived >
class BaseProcessorTaskPolicy
{
public:
BaseProcessorTaskPolicy()
{}
virtual ~BaseProcessorTaskPolicy()
{}
auto GetOutputData()
{
return static_cast<TDerived*>(this)->GetOutputData();
}
template<typename CONTAINER_TYPE>
auto ExecuteTask(CONTAINER_TYPE container)
{
return static_cast<TDerived*>(this)->ExecuteTask(container);
}
};
*/
#endif /* BASEPROCESSORTASKPOLICY_H */