EcalBarrelTopology.h

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#ifndef GEOMETRY_CALOTOPOLOGY_ECALBARRELTOPOLOGY_H
#define GEOMETRY_CALOTOPOLOGY_ECALBARRELTOPOLOGY_H 1

#include <utility>
#include <vector>
#include <iostream>
#include "DataFormats/EcalDetId/interface/EBDetId.h"
#include "Geometry/CaloTopology/interface/CaloSubdetectorTopology.h"
#include "Geometry/CaloGeometry/interface/CaloGeometry.h"
#include "Geometry/CaloGeometry/interface/CaloSubdetectorGeometry.h"

class EcalBarrelTopology final : public CaloSubdetectorTopology {
public:
  EcalBarrelTopology() : theGeom_(nullptr){};

  ~EcalBarrelTopology() override {}

  EcalBarrelTopology(CaloGeometry const& theGeom) {
    theGeom_ = theGeom.getSubdetectorGeometry(DetId::Ecal, EcalBarrel);
  }

  DetId goNorth(const DetId& id) const override { return incrementIphi(EBDetId(id)); }
  std::vector<DetId> north(const DetId& id) const override {
    EBDetId nextId = goNorth(id);
    std::vector<DetId> vNeighborsDetId;
    if (!(nextId == EBDetId(0)))
      vNeighborsDetId.emplace_back(DetId(nextId.rawId()));
    return vNeighborsDetId;
  }

  DetId goSouth(const DetId& id) const override { return decrementIphi(EBDetId(id)); }
  std::vector<DetId> south(const DetId& id) const override {
    EBDetId nextId = goSouth(id);
    std::vector<DetId> vNeighborsDetId;
    if (!(nextId == EBDetId(0)))
      vNeighborsDetId.emplace_back(DetId(nextId.rawId()));
    return vNeighborsDetId;
  }

  DetId goEast(const DetId& id) const override { return decrementIeta(EBDetId(id)); }
  std::vector<DetId> east(const DetId& id) const override {
    EBDetId nextId = goEast(id);
    std::vector<DetId> vNeighborsDetId;
    if (!(nextId == EBDetId(0)))
      vNeighborsDetId.emplace_back(DetId(nextId.rawId()));
    return vNeighborsDetId;
  }

  DetId goWest(const DetId& id) const override { return incrementIeta(EBDetId(id)); }
  std::vector<DetId> west(const DetId& id) const override {
    EBDetId nextId = goWest(id);
    std::vector<DetId> vNeighborsDetId;
    if (!(nextId == EBDetId(0)))
      vNeighborsDetId.emplace_back(DetId(nextId.rawId()));
    return vNeighborsDetId;
  }

  std::vector<DetId> up(const DetId& /*id*/) const override {
    std::cout << "EcalBarrelTopology::up() not yet implemented" << std::endl;
    std::vector<DetId> vNeighborsDetId;
    return vNeighborsDetId;
  }

  std::vector<DetId> down(const DetId& /*id*/) const override {
    std::cout << "EcalBarrelTopology::down() not yet implemented" << std::endl;
    std::vector<DetId> vNeighborsDetId;
    return vNeighborsDetId;
  }

private:
  EBDetId incrementIeta(const EBDetId&) const;

  EBDetId decrementIeta(const EBDetId&) const;

  EBDetId incrementIphi(const EBDetId&) const;

  EBDetId decrementIphi(const EBDetId&) const;

  const CaloSubdetectorGeometry* theGeom_;
};

#endif