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#ifndef HeterogeneousCore_AlpakaCore_interface_alpaka_ESGetToken_h
#define HeterogeneousCore_AlpakaCore_interface_alpaka_ESGetToken_h
#include "FWCore/Utilities/interface/ESGetToken.h"
#include "HeterogeneousCore/AlpakaCore/interface/alpaka/ESDeviceProductType.h"
#include "HeterogeneousCore/AlpakaInterface/interface/config.h"
namespace ALPAKA_ACCELERATOR_NAMESPACE::device {
class EventSetup;
template <typename T>
class Record;
/**
* The device::ESGetToken is similar to edm::ESGetToken, but is
* intended for EventSetup data products in the device memory space
* defined by the backend (i.e. ALPAKA_ACCELERATOR_NAMESPACE). It
* can be used only to get data from a device::EventSetup and
* device::Record<T>.
*/
template <typename ESProduct, typename ESRecord>
class ESGetToken {
public:
constexpr ESGetToken() noexcept = default;
template <typename TAdapter>
constexpr ESGetToken(TAdapter&& iAdapter) : token_(std::forward<TAdapter>(iAdapter)) {}
private:
friend class EventSetup;
template <typename T>
friend class Record;
auto const& underlyingToken() const { return token_; }
using ProductType = detail::ESDeviceProductType<ESProduct>;
edm::ESGetToken<ProductType, ESRecord> token_;
};
} // namespace ALPAKA_ACCELERATOR_NAMESPACE::device
#endif
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