include/edm4hep/VertexCollectionData.h

0001 // AUTOMATICALLY GENERATED FILE - DO NOT EDIT
0002
0003 #ifndef EDM4HEP_Vertex_CollectionData_H
0004 #define EDM4HEP_Vertex_CollectionData_H
0005
0006 // datamodel specific includes
0007 #include "edm4hep/ReconstructedParticle.h"
0008 #include "edm4hep/Vertex.h"
0009 #include "edm4hep/VertexData.h"
0010 #include "edm4hep/VertexObj.h"
0011
0012 // schema evolution specific includes
0013
0014 // podio specific includes
0015 #include "podio/CollectionBuffers.h"
0016 #include "podio/ICollectionProvider.h"
0017
0018 #include <deque>
0019 #include <memory>
0020
0021 namespace edm4hep {
0022
0023 using VertexObjPointerContainer = std::deque<VertexObj*>;
0024 using VertexDataContainer = std::vector<VertexData>;
0025
0026 /**
0027  * Class encapsulating everything related to storage of data that is needed by a
0028  * collection.
0029  */
0030 class VertexCollectionData {
0031 public:
0032   /**
0033    * The Objs of this collection
0034    */
0035   VertexObjPointerContainer entries{};
0036
0037   /**
0038    * Default constructor setting up the necessary buffers
0039    */
0040   VertexCollectionData();
0041
0042   /**
0043    * Constructor from existing I/O buffers
0044    */
0045   VertexCollectionData(podio::CollectionReadBuffers buffers, bool isSubsetColl);
0046
0047   /**
0048    * Non copy-able, move-only class
0049    */
0050   VertexCollectionData(const VertexCollectionData&) = delete;
0051   VertexCollectionData& operator=(const VertexCollectionData&) = delete;
0052   VertexCollectionData(VertexCollectionData&& other) = default;
0053   VertexCollectionData& operator=(VertexCollectionData&& other) = default;
0054
0055   /**
0056    * Destructor
0057    */
0058   ~VertexCollectionData() = default;
0059
0060   void clear(bool isSubsetColl);
0061
0062   podio::CollectionWriteBuffers getCollectionBuffers(bool isSubsetColl);
0063
0064   void prepareForWrite(bool isSubsetColl);
0065
0066   void prepareAfterRead(uint32_t collectionID);
0067
0068   void makeSubsetCollection();
0069
0070   void createRelations(VertexObj* obj);
0071
0072   bool setReferences(const podio::ICollectionProvider* collectionProvider, bool isSubsetColl);
0073
0074 private:
0075   // members to handle 1-to-N-relations
0076   podio::UVecPtr<edm4hep::ReconstructedParticle> m_rel_particles{
0077       std::make_unique<std::vector<edm4hep::ReconstructedParticle>>()}; ///< Relation buffer for read / write
0078   std::vector<podio::UVecPtr<edm4hep::ReconstructedParticle>>
0079       m_rel_particles_tmp{}; ///< Relation buffer for internal book-keeping
0080
0081   // members to handle vector members
0082   podio::UVecPtr<float> m_vec_parameters{nullptr};        /// combined vector of all objects in collection
0083   std::vector<podio::UVecPtr<float>> m_vecs_parameters{}; /// pointers to individual member vectors
0084
0085   // I/O related buffers
0086   podio::CollRefCollection m_refCollections{};
0087   podio::VectorMembersInfo m_vecmem_info{};
0088   std::unique_ptr<VertexDataContainer> m_data{nullptr};
0089 };
0090
0091 } // namespace edm4hep
0092
0093 #endif