SiPixelDigisSoA.h

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#ifndef DataFormats_SiPixelDigi_interface_SiPixelDigisSoA_h
#define DataFormats_SiPixelDigi_interface_SiPixelDigisSoA_h

#include <cstddef>
#include <cstdint>
#include <vector>

namespace legacy {

  // The main purpose of this class is to deliver digi and cluster data
  // from an EDProducer that transfers the data from GPU to host to an
  // EDProducer that converts the SoA to legacy data products. The class
  // is independent of any GPU technology, and in prunciple could be
  // produced by host code, and be used for other purposes than
  // conversion-to-legacy as well.

  class SiPixelDigisSoA {
  public:
    SiPixelDigisSoA() = default;
    explicit SiPixelDigisSoA(
        size_t nDigis, const uint32_t* pdigi, const uint32_t* rawIdArr, const uint16_t* adc, const int32_t* clus)
        : pdigi_(pdigi, pdigi + nDigis),
          rawIdArr_(rawIdArr, rawIdArr + nDigis),
          adc_(adc, adc + nDigis),
          clus_(clus, clus + nDigis) {}

    ~SiPixelDigisSoA() = default;

    auto size() const { return pdigi_.size(); }

    uint32_t pdigi(size_t i) const { return pdigi_[i]; }
    uint32_t rawIdArr(size_t i) const { return rawIdArr_[i]; }
    uint16_t adc(size_t i) const { return adc_[i]; }
    int32_t clus(size_t i) const { return clus_[i]; }

    const std::vector<uint32_t>& pdigiVector() const { return pdigi_; }
    const std::vector<uint32_t>& rawIdArrVector() const { return rawIdArr_; }
    const std::vector<uint16_t>& adcVector() const { return adc_; }
    const std::vector<int32_t>& clusVector() const { return clus_; }

  private:
    std::vector<uint32_t> pdigi_;     // packed digi (row, col, adc) of each pixel
    std::vector<uint32_t> rawIdArr_;  // DetId of each pixel
    std::vector<uint16_t> adc_;       // ADC of each pixel
    std::vector<int32_t> clus_;       // cluster id of each pixel
  };

}  // namespace legacy

#endif  // DataFormats_SiPixelDigi_interface_SiPixelDigisSoA_h