include/edm4hep/TrackCollection.h

0001 // AUTOMATICALLY GENERATED FILE - DO NOT EDIT
0002
0003 #ifndef EDM4HEP_TrackCollection_H
0004 #define EDM4HEP_TrackCollection_H
0005
0006 // datamodel specific includes
0007 #include "edm4hep/MutableTrack.h"
0008 #include "edm4hep/Track.h"
0009 #include "edm4hep/TrackCollectionData.h"
0010 #include "edm4hep/TrackObj.h"
0011
0012 // podio specific includes
0013 #include "podio/CollectionBase.h"
0014 #include "podio/ICollectionProvider.h"
0015 #include "podio/detail/Pythonizations.h"
0016
0017 #if defined(PODIO_JSON_OUTPUT) && !defined(__CLING__)
0018 #include "nlohmann/json_fwd.hpp"
0019 #endif
0020
0021 #include <algorithm>
0022 #include <cstddef>
0023 #include <memory>
0024 #include <mutex>
0025 #include <ostream>
0026 #include <string_view>
0027 #include <vector>
0028
0029 namespace podio {
0030 struct RelationNames;
0031 }
0032
0033 namespace edm4hep {
0034
0035 class TrackCollectionIterator {
0036 public:
0037   using value_type = Track;
0038   using difference_type = ptrdiff_t;
0039   using reference = Track;
0040   using pointer = Track*;
0041   using iterator_category = std::input_iterator_tag;
0042   // `std::forward_iterator` is supported except that the pointers obtained with `operator->()`
0043   // remain valid as long as the iterator is valid, not as long as the range is valid.
0044   using iterator_concept = std::random_access_iterator_tag;
0045
0046   TrackCollectionIterator(size_t index, const TrackObjPointerContainer* collection)
0047       : m_index(index), m_object(podio::utils::MaybeSharedPtr<TrackObj>{nullptr}), m_collection(collection) {}
0048   TrackCollectionIterator() = default;
0049
0050   TrackCollectionIterator(const TrackCollectionIterator&) = default;
0051   TrackCollectionIterator(TrackCollectionIterator&&) = default;
0052   TrackCollectionIterator& operator=(const TrackCollectionIterator&) = default;
0053   TrackCollectionIterator& operator=(TrackCollectionIterator&&) = default;
0054   ~TrackCollectionIterator() = default;
0055
0056   auto operator<=>(const TrackCollectionIterator& other) const { return m_index <=> other.m_index; }
0057
0058   bool operator==(const TrackCollectionIterator& x) const { return m_index == x.m_index; }
0059
0060   reference operator*() const;
0061   pointer operator->();
0062   TrackCollectionIterator& operator++();
0063   TrackCollectionIterator operator++(int);
0064   TrackCollectionIterator& operator--();
0065   TrackCollectionIterator operator--(int);
0066   TrackCollectionIterator& operator+=(difference_type n);
0067   TrackCollectionIterator operator+(difference_type n) const;
0068   friend TrackCollectionIterator operator+(difference_type n, const TrackCollectionIterator& it);
0069   TrackCollectionIterator& operator-=(difference_type n);
0070   TrackCollectionIterator operator-(difference_type n) const;
0071   reference operator[](difference_type n) const;
0072   difference_type operator-(const TrackCollectionIterator& other) const;
0073
0074 private:
0075   size_t m_index{0};
0076   Track m_object{podio::utils::MaybeSharedPtr<TrackObj>{nullptr}};
0077   const TrackObjPointerContainer* m_collection{nullptr};
0078 };
0079
0080 class TrackMutableCollectionIterator {
0081 public:
0082   using value_type = Track;
0083   using difference_type = ptrdiff_t;
0084   using reference = MutableTrack;
0085   using pointer = MutableTrack*;
0086   using iterator_category = std::input_iterator_tag;
0087   // `std::forward_iterator` is supported except that the pointers obtained with `operator->()`
0088   // remain valid as long as the iterator is valid, not as long as the range is valid.
0089   using iterator_concept = std::random_access_iterator_tag;
0090
0091   TrackMutableCollectionIterator(size_t index, const TrackObjPointerContainer* collection)
0092       : m_index(index), m_object(podio::utils::MaybeSharedPtr<TrackObj>{nullptr}), m_collection(collection) {}
0093   TrackMutableCollectionIterator() = default;
0094
0095   TrackMutableCollectionIterator(const TrackMutableCollectionIterator&) = default;
0096   TrackMutableCollectionIterator(TrackMutableCollectionIterator&&) = default;
0097   TrackMutableCollectionIterator& operator=(const TrackMutableCollectionIterator&) = default;
0098   TrackMutableCollectionIterator& operator=(TrackMutableCollectionIterator&&) = default;
0099   ~TrackMutableCollectionIterator() = default;
0100
0101   auto operator<=>(const TrackMutableCollectionIterator& other) const { return m_index <=> other.m_index; }
0102
0103   bool operator==(const TrackMutableCollectionIterator& x) const { return m_index == x.m_index; }
0104
0105   reference operator*() const;
0106   pointer operator->();
0107   TrackMutableCollectionIterator& operator++();
0108   TrackMutableCollectionIterator operator++(int);
0109   TrackMutableCollectionIterator& operator--();
0110   TrackMutableCollectionIterator operator--(int);
0111   TrackMutableCollectionIterator& operator+=(difference_type n);
0112   TrackMutableCollectionIterator operator+(difference_type n) const;
0113   friend TrackMutableCollectionIterator operator+(difference_type n, const TrackMutableCollectionIterator& it);
0114   TrackMutableCollectionIterator& operator-=(difference_type n);
0115   TrackMutableCollectionIterator operator-(difference_type n) const;
0116   reference operator[](difference_type n) const;
0117   difference_type operator-(const TrackMutableCollectionIterator& other) const;
0118
0119 private:
0120   size_t m_index{0};
0121   MutableTrack m_object{podio::utils::MaybeSharedPtr<TrackObj>{nullptr}};
0122   const TrackObjPointerContainer* m_collection{nullptr};
0123 };
0124
0125 /**
0126 A Collection is identified by an ID.
0127 */
0128 class TrackCollection : public podio::CollectionBase {
0129 public:
0130   using value_type = Track;
0131   using mutable_type = MutableTrack;
0132   using const_iterator = TrackCollectionIterator;
0133   using iterator = TrackMutableCollectionIterator;
0134   using difference_type = ptrdiff_t;
0135   using size_type = size_t;
0136   using const_reverse_iterator = std::reverse_iterator<const_iterator>;
0137   using reverse_iterator = std::reverse_iterator<iterator>;
0138
0139   TrackCollection() = default;
0140   TrackCollection(TrackCollectionData&& data, bool isSubsetColl);
0141   // This is a move-only type
0142   TrackCollection(const TrackCollection&) = delete;
0143   TrackCollection& operator=(const TrackCollection&) = delete;
0144   TrackCollection(TrackCollection&&) = default;
0145   TrackCollection& operator=(TrackCollection&&) = default;
0146
0147   //  TrackCollection(TrackVector* data, uint32_t collectionID);
0148   ~TrackCollection() override;
0149
0150   constexpr static std::string_view typeName = "edm4hep::TrackCollection";
0151   constexpr static std::string_view valueTypeName = "edm4hep::Track";
0152   constexpr static std::string_view dataTypeName = "edm4hep::TrackData";
0153
0154   void clear() final;
0155
0156   /// Cppyy protocol to setup the pythonizations for this class. Not to be called directly.
0157   static void __cppyy_pythonize__(PyObject* klass, const std::string& name) {
0158     podio::detail::pythonizations::pythonize_subscript(klass, name);
0159   }
0160
0161   /// Print this collection to the passed stream
0162   void print(std::ostream& os = std::cout, bool flush = true) const final;
0163
0164   /// Append a new object to the collection, and return this object.
0165   MutableTrack create();
0166
0167   /// Append a new object to the collection, and return this object.
0168   /// Initialized with the parameters given
0169   template <typename... Args>
0170   MutableTrack create(Args&&... args);
0171
0172   /// number of elements in the collection
0173   std::size_t size() const final;
0174
0175   /// maximal number of elements in the collection
0176   std::size_t max_size() const final;
0177
0178   /// Is the collection empty
0179   bool empty() const final;
0180
0181   /// fully qualified type name
0182   const std::string_view getTypeName() const final { return typeName; }
0183   /// fully qualified type name of elements - with namespace
0184   const std::string_view getValueTypeName() const final { return valueTypeName; }
0185   /// fully qualified type name of stored POD elements - with namespace
0186   const std::string_view getDataTypeName() const final { return dataTypeName; }
0187   /// schema version
0188   podio::SchemaVersionT getSchemaVersion() const final;
0189
0190   bool isSubsetCollection() const final { return m_isSubsetColl; }
0191
0192   void setSubsetCollection(bool setSubset = true) final;
0193
0194   /// Returns the const object of given index
0195   Track operator[](std::size_t index) const;
0196   /// Returns the object of a given index
0197   MutableTrack operator[](std::size_t index);
0198   /// Returns the const object of given index
0199   Track at(std::size_t index) const;
0200   /// Returns the object of given index
0201   MutableTrack at(std::size_t index);
0202
0203   /// Append object to the collection
0204   void push_back(const MutableTrack& object);
0205   /// Append an object to the (subset) collection
0206   void push_back(const Track& object);
0207
0208   void prepareForWrite() const final;
0209   void prepareAfterRead() final;
0210   bool setReferences(const podio::ICollectionProvider* collectionProvider) final;
0211
0212   /// Get the collection buffers for this collection
0213   podio::CollectionWriteBuffers getBuffers() final;
0214
0215   void setID(uint32_t ID) final {
0216     m_collectionID = ID;
0217     if (!m_isSubsetColl) {
0218       std::for_each(m_storage.entries.begin(), m_storage.entries.end(),
0219                     [ID](TrackObj* obj) { obj->id = {obj->id.index, static_cast<uint32_t>(ID)}; });
0220     }
0221   }
0222
0223   uint32_t getID() const final { return m_collectionID; }
0224
0225   /// check if the collection has a valid ID
0226   bool hasID() const final {
0227     return getID() != static_cast<uint32_t>(podio::ObjectID::untracked) &&
0228            getID() != static_cast<uint32_t>(podio::ObjectID::invalid);
0229   }
0230
0231   [[deprecated("isValid will be removed, use hasID() if you want to check if it has an ID, otherwise assume the "
0232                "collection is valid")]] bool
0233   isValid() const final {
0234     return hasID();
0235   }
0236
0237   size_t getDatamodelRegistryIndex() const final;
0238
0239   // support for the iterator protocol
0240   iterator begin() { return iterator(0, &m_storage.entries); }
0241   const_iterator begin() const { return const_iterator(0, &m_storage.entries); }
0242   const_iterator cbegin() const { return begin(); }
0243   iterator end() { return iterator(m_storage.entries.size(), &m_storage.entries); }
0244   const_iterator end() const { return const_iterator(m_storage.entries.size(), &m_storage.entries); }
0245   const_iterator cend() const { return end(); }
0246   // reverse iterators
0247   reverse_iterator rbegin() { return reverse_iterator(end()); }
0248   const_reverse_iterator rbegin() const { return const_reverse_iterator(end()); }
0249   const_reverse_iterator crbegin() const { return rbegin(); }
0250   reverse_iterator rend() { return reverse_iterator(begin()); }
0251   const_reverse_iterator rend() const { return const_reverse_iterator(begin()); }
0252   const_reverse_iterator crend() const { return rend(); }
0253
0254   std::vector<std::int32_t> type(const size_t nElem = 0) const;
0255   std::vector<float> chi2(const size_t nElem = 0) const;
0256   std::vector<std::int32_t> ndf(const size_t nElem = 0) const;
0257   std::vector<std::int32_t> Nholes(const size_t nElem = 0) const;
0258
0259 private:
0260   // For setReferences, we need to give our own CollectionData access to our
0261   // private entries. Otherwise we would need to expose a public member function
0262   // that gives access to the Obj* which is definitely not what we want
0263   friend class TrackCollectionData;
0264
0265   mutable bool m_isPrepared{false};
0266   bool m_isSubsetColl{false};
0267   uint32_t m_collectionID{static_cast<uint32_t>(podio::ObjectID::untracked)};
0268   mutable std::unique_ptr<std::mutex> m_storageMtx{std::make_unique<std::mutex>()};
0269   mutable TrackCollectionData m_storage{};
0270 };
0271
0272 std::ostream& operator<<(std::ostream& o, const TrackCollection& v);
0273
0274 template <typename... Args>
0275 MutableTrack TrackCollection::create(Args&&... args) {
0276   if (m_isSubsetColl) {
0277     throw std::logic_error("Cannot create new elements on a subset collection");
0278   }
0279   auto obj = new TrackObj({static_cast<int>(m_storage.entries.size()), m_collectionID}, {std::forward<Args>(args)...});
0280   m_storage.entries.push_back(obj);
0281
0282   // Need to initialize the relation vectors manually for the {ObjectID, TrackData} constructor
0283   obj->m_trackerHits = new std::vector<edm4hep::TrackerHit>();
0284   obj->m_tracks = new std::vector<edm4hep::Track>();
0285   obj->m_subdetectorHitNumbers = new std::vector<std::int32_t>();
0286   obj->m_subdetectorHoleNumbers = new std::vector<std::int32_t>();
0287   obj->m_trackStates = new std::vector<edm4hep::TrackState>();
0288   m_storage.createRelations(obj);
0289   return MutableTrack(podio::utils::MaybeSharedPtr(obj));
0290 }
0291
0292 #if defined(PODIO_JSON_OUTPUT) && !defined(__CLING__)
0293 void to_json(nlohmann::json& j, const TrackCollection& collection);
0294 #endif
0295
0296 } // namespace edm4hep
0297
0298 // This is needed to avoid triggering opening every library in LD_LIBRARY_PATH
0299 // until it's fixed in ROOT. See https://github.com/root-project/root/issues/18489
0300 // and https://github.com/AIDASoft/podio/issues/770
0301 #if defined(__clang__)
0302 #pragma clang diagnostic push
0303 #pragma clang diagnostic ignored "-Wunknown-warning-option"
0304 #pragma clang diagnostic ignored "-Wdeprecated-redundant-constexpr-static-def"
0305 #pragma clang diagnostic ignored "-Wdeprecated"
0306 constexpr std::string_view edm4hep::TrackCollection::typeName;
0307 constexpr std::string_view edm4hep::TrackCollection::valueTypeName;
0308 constexpr std::string_view edm4hep::TrackCollection::dataTypeName;
0309 #pragma clang diagnostic pop
0310 #elif defined(__GNUC__)
0311 #pragma GCC diagnostic push
0312 #pragma GCC diagnostic ignored "-Wdeprecated"
0313 constexpr std::string_view edm4hep::TrackCollection::typeName;
0314 constexpr std::string_view edm4hep::TrackCollection::valueTypeName;
0315 constexpr std::string_view edm4hep::TrackCollection::dataTypeName;
0316 #pragma GCC diagnostic pop
0317 #endif
0318
0319 #endif