mirror of
https://github.com/FairRootGroup/FairMQ.git
synced 2025-10-13 16:46:47 +00:00
92 lines
2.1 KiB
C++
92 lines
2.1 KiB
C++
/*
|
|
* File: BaseSourcePolicy.h
|
|
* Author: winckler
|
|
*
|
|
* Created on October 14, 2015, 1:01 PM
|
|
*/
|
|
|
|
#ifndef BASESOURCEPOLICY_H
|
|
#define BASESOURCEPOLICY_H
|
|
|
|
#include <type_traits>
|
|
// c++11 code
|
|
// CRTP base class
|
|
template <typename TDerived >
|
|
class BaseSourcePolicy
|
|
{
|
|
public:
|
|
BaseSourcePolicy()
|
|
{}
|
|
|
|
virtual ~BaseSourcePolicy()
|
|
{}
|
|
|
|
template<typename C = TDerived>
|
|
auto InitSource()-> decltype(static_cast<C*>(this)->InitSource() )
|
|
{
|
|
static_assert(std::is_same<C, TDerived>{}, "BaseSourcePolicy::InitSource hack broken");
|
|
return static_cast<TDerived*>(this)->InitSource();
|
|
}
|
|
|
|
template<typename C = TDerived>
|
|
int64_t GetNumberOfEvent()//-> decltype(static_cast<C*>(this)->GetNumberOfEvent() )
|
|
{
|
|
static_assert(std::is_same<C, TDerived>{}, "BaseSourcePolicy::GetNumberOfEvent hack broken");
|
|
return static_cast<TDerived*>(this)->GetNumberOfEvent();
|
|
}
|
|
|
|
template<typename C = TDerived>
|
|
auto SetIndex(int64_t eventIdx)-> decltype(static_cast<C*>(this)->SetIndex(eventIdx) )
|
|
{
|
|
static_assert(std::is_same<C, TDerived>{}, "BaseSourcePolicy::SetIndex hack broken");
|
|
return static_cast<TDerived*>(this)->SetIndex(eventIdx);
|
|
}
|
|
|
|
template<typename C = TDerived>
|
|
//auto GetOutData()-> decltype(static_cast<C*>(this)->GetOutData() )
|
|
decltype(std::declval<C*>()->GetOutData() ) GetOutData()
|
|
{
|
|
static_assert(std::is_same<C, TDerived>{}, "BaseSourcePolicy::GetOutData hack broken");
|
|
return static_cast<TDerived*>(this)->GetOutData();
|
|
}
|
|
|
|
};
|
|
|
|
/*
|
|
// c++14 code
|
|
// CRTP base class
|
|
template <typename TDerived >
|
|
class BaseSourcePolicy
|
|
{
|
|
public:
|
|
BaseSourcePolicy()
|
|
{}
|
|
|
|
virtual ~BaseSourcePolicy()
|
|
{}
|
|
|
|
auto InitSource()
|
|
{
|
|
return static_cast<TDerived*>(this)->InitSource();
|
|
}
|
|
|
|
int64_t GetNumberOfEvent()
|
|
{
|
|
return static_cast<TDerived*>(this)->GetNumberOfEvent();
|
|
}
|
|
|
|
auto SetIndex(int64_t eventIdx)
|
|
{
|
|
return static_cast<TDerived*>(this)->SetIndex(int64_t eventIdx);
|
|
}
|
|
|
|
auto GetOutData()
|
|
{
|
|
return static_cast<TDerived*>(this)->GetOutData();
|
|
}
|
|
|
|
};
|
|
*/
|
|
#endif /* BASESOURCEPOLICY_H */
|
|
|