include/edm4eic/TensorCollectionData.h

0001 // AUTOMATICALLY GENERATED FILE - DO NOT EDIT
0002
0003 #ifndef EDM4EIC_Tensor_CollectionData_H
0004 #define EDM4EIC_Tensor_CollectionData_H
0005
0006 // datamodel specific includes
0007 #include "edm4eic/TensorData.h"
0008 #include "edm4eic/TensorObj.h"
0009 #include "edm4eic/Tensor.h"
0010
0011 // schema evolution specific includes
0012
0013 // podio specific includes
0014 #include "podio/CollectionBuffers.h"
0015 #include "podio/ICollectionProvider.h"
0016
0017 #include <deque>
0018 #include <memory>
0019
0020 namespace edm4eic {
0021
0022
0023 using TensorObjPointerContainer = std::deque<TensorObj*>;
0024 using TensorDataContainer = std::vector<TensorData>;
0025
0026
0027 /**
0028  * Class encapsulating everything related to storage of data that is needed by a
0029  * collection.
0030  */
0031 class TensorCollectionData {
0032 public:
0033   /**
0034    * The Objs of this collection
0035    */
0036   TensorObjPointerContainer entries{};
0037
0038   /**
0039    * Default constructor setting up the necessary buffers
0040    */
0041   TensorCollectionData();
0042
0043   /**
0044    * Constructor from existing I/O buffers
0045    */
0046   TensorCollectionData(podio::CollectionReadBuffers buffers, bool isSubsetColl);
0047
0048   /**
0049    * Non copy-able, move-only class
0050    */
0051   TensorCollectionData(const TensorCollectionData&) = delete;
0052   TensorCollectionData& operator=(const TensorCollectionData&) = delete;
0053   TensorCollectionData(TensorCollectionData&& other) = default;
0054   TensorCollectionData& operator=(TensorCollectionData&& other) = default;
0055
0056   /**
0057    * Destructor
0058    */
0059   ~TensorCollectionData() = default;
0060
0061   void clear(bool isSubsetColl);
0062
0063   podio::CollectionWriteBuffers getCollectionBuffers(bool isSubsetColl);
0064
0065   void prepareForWrite(bool isSubsetColl);
0066
0067   void prepareAfterRead(uint32_t collectionID);
0068
0069   void makeSubsetCollection();
0070
0071   void createRelations(TensorObj* obj);
0072
0073   bool setReferences(const podio::ICollectionProvider* collectionProvider, bool isSubsetColl);
0074
0075 private:
0076   // members to handle 1-to-N-relations
0077
0078   // members to handle vector members
0079   podio::UVecPtr<std::int64_t> m_vec_shape{nullptr}; /// combined vector of all objects in collection
0080   std::vector<podio::UVecPtr<std::int64_t>> m_vecs_shape{}; /// pointers to individual member vectors
0081   podio::UVecPtr<float> m_vec_floatData{nullptr}; /// combined vector of all objects in collection
0082   std::vector<podio::UVecPtr<float>> m_vecs_floatData{}; /// pointers to individual member vectors
0083   podio::UVecPtr<std::int64_t> m_vec_int64Data{nullptr}; /// combined vector of all objects in collection
0084   std::vector<podio::UVecPtr<std::int64_t>> m_vecs_int64Data{}; /// pointers to individual member vectors
0085
0086   // I/O related buffers
0087   podio::CollRefCollection m_refCollections{};
0088   podio::VectorMembersInfo m_vecmem_info{};
0089   std::unique_ptr<TensorDataContainer> m_data{nullptr};
0090 };
0091
0092
0093 } // namespace edm4eic
0094
0095
0096 #endif