DetectorCollection.h

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/*
 * Developed for the LSST Data Management System.
 * This product includes software developed by the LSST Project
 * (https://www.lsst.org).
 * See the COPYRIGHT file at the top-level directory of this distribution
 * for details of code ownership.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef LSST_AFW_CAMERAGEOM_DETECTORCOLLECTION_H
#define LSST_AFW_CAMERAGEOM_DETECTORCOLLECTION_H
 
#include <map>
#include <string>
#include <memory>
 
#include "lsst/geom/Box.h"
#include "lsst/afw/table/io/Persistable.h"
#include "lsst/afw/cameraGeom/Detector.h"
 
namespace lsst {
namespace afw {
namespace cameraGeom {

template <typename T>
class DetectorCollectionBase {
public:
 
    using NameMap = std::unordered_map<std::string, std::shared_ptr<T>>;
    using IdMap = std::map<int, std::shared_ptr<T>>;
    using List = std::vector<std::shared_ptr<T>>;
 
    virtual ~DetectorCollectionBase() noexcept = 0;

    NameMap const & getNameMap() const noexcept { return _nameDict; }

    IdMap const & getIdMap() const noexcept { return _idDict; }

    std::size_t size() const noexcept { return _idDict.size(); }

    bool empty() const noexcept { return _idDict.empty(); }

    std::shared_ptr<T> operator[](std::string const & name) const;

    std::shared_ptr<T> operator[](int id) const;

    std::shared_ptr<T> get(std::string const & name, std::shared_ptr<T> def=nullptr) const;

    std::shared_ptr<T> get(int id, std::shared_ptr<T> def=nullptr) const;
 
protected:
 
    explicit DetectorCollectionBase(List const & detectorList);
 
    DetectorCollectionBase() noexcept = default;
 
    DetectorCollectionBase(DetectorCollectionBase const &) = default;
    DetectorCollectionBase(DetectorCollectionBase &&) = default;
 
    DetectorCollectionBase & operator=(DetectorCollectionBase const &) = default;
    DetectorCollectionBase & operator=(DetectorCollectionBase &&) = default;

    void add(std::shared_ptr<T> detector);
 
    void remove(std::string const & name);
    void remove(int id);
 
private:
    NameMap _nameDict;                //< map keyed on name
    IdMap _idDict;                    //< map keyed on id
};
class DetectorCollectionBase {…};
 

class DetectorCollection : public DetectorCollectionBase<Detector const>,
                           public table::io::PersistableFacade<DetectorCollection>,
                           public table::io::Persistable {
public:
 
    DetectorCollection(List const & list);
 
    virtual ~DetectorCollection() noexcept;

    lsst::geom::Box2D const & getFpBBox() const noexcept { return _fpBBox; }
 
    // DetectorCollection is immutable, so it cannot be moveable.  It is also
    // always held by shared_ptr, so there is no good reason to copy it.
    DetectorCollection(DetectorCollection const &) = delete;
    DetectorCollection(DetectorCollection &&) = delete;
 
    // DetectorCollection is immutable, so it cannot be assignable.
    DetectorCollection & operator=(DetectorCollection const &) = delete;
    DetectorCollection & operator=(DetectorCollection &&) = delete;

    bool isPersistable() const noexcept override {
        return true;
    }
    bool isPersistable() const noexcept override  {…}
 
protected:
 
    DetectorCollection(table::io::InputArchive const & archive, table::io::CatalogVector const & catalogs);
 
    std::string getPersistenceName() const override;
 
    std::string getPythonModule() const override;
 
    void write(OutputArchiveHandle& handle) const override;
 
private:
 
    class Factory;
 
    lsst::geom::Box2D _fpBBox;        //< bounding box of collection
};
class DetectorCollection : public DetectorCollectionBase<Detector const>, {…};
 
} // namespace cameraGeom
} // namespace afw
} // namespace lsst
 
 
#endif // LSST_AFW_CAMERAGEOM_DETECTORCOLLECTION_H