examples/PodioDatamodel/DatamodelDefinition.h

0001 // AUTOMATICALLY GENERATED FILE - DO NOT EDIT
0002
0003 #include "podio/DatamodelRegistry.h"
0004 #include "podio/SchemaEvolution.h"
0005
0006 namespace PodioDatamodel::meta {
0007 /**
0008  * The complete definition of the datamodel at generation time in JSON format.
0009  */
0010 static constexpr auto PodioDatamodel__JSONDefinition = R"DATAMODELDEF({"options": {"getSyntax": false, "exposePODMembers": true, "includeSubfolder": "PodioDatamodel/"}, "schema_version": 1, "components": {}, "datatypes": {"EventInfo": {"Description": "Event info", "Author": "N. Brei", "Members": ["int EventNumber // event number", "int TimesliceNumber // timeslice number", "int RunNumber // run number"], "VectorMembers": [], "OneToOneRelations": [], "OneToManyRelations": [], "ExtraCode": {}, "MutableExtraCode": {}}, "TimesliceInfo": {"Description": "Timeslice info", "Author": "N. Brei", "Members": ["int TimesliceNumber // timeslice number", "int RunNumber // run number"], "VectorMembers": [], "OneToOneRelations": [], "OneToManyRelations": [], "ExtraCode": {}, "MutableExtraCode": {}}, "ExampleHit": {"Description": "Example Hit", "Author": "B. Hegner", "Members": ["std::uint64_t cellID // cellID", "double x // x-coordinate", "double y // y-coordinate", "double z // z-coordinate", "double energy // measured energy deposit", "std::uint64_t time // ticks since start of timeframe"], "VectorMembers": [], "OneToOneRelations": [], "OneToManyRelations": [], "ExtraCode": {}, "MutableExtraCode": {}}, "ExampleCluster": {"Description": "Cluster", "Author": "B. Hegner", "Members": ["double energy // cluster energy"], "OneToManyRelations": ["ExampleHit Hits // hits contained in the cluster", "ExampleCluster Clusters // sub clusters used to create this cluster"], "VectorMembers": [], "OneToOneRelations": [], "ExtraCode": {}, "MutableExtraCode": {}}}, "interfaces": {}})DATAMODELDEF";
0011
0012
0013 /**
0014  * The names of all relations and vector members for all datatypes
0015  */
0016 inline podio::RelationNameMapping PodioDatamodel__getRelationNames() {
0017   using namespace std::string_view_literals;
0018   return {
0019     {"EventInfo"sv,
0020       {  },
0021       {  },
0022     },
0023     {"TimesliceInfo"sv,
0024       {  },
0025       {  },
0026     },
0027     {"ExampleHit"sv,
0028       {  },
0029       {  },
0030     },
0031     {"ExampleCluster"sv,
0032       { "Hits"sv, "Clusters"sv },
0033       {  },
0034     },
0035   };
0036 }
0037
0038 /**
0039  * The schema version at generation time
0040  */
0041 static constexpr podio::SchemaVersionT schemaVersion = 1;
0042
0043 /**
0044  * The helper class that takes care of registering the datamodel definition to
0045  * the DatamodelRegistry and to provide the index in that registry.
0046  *
0047  * Implemented as a singleton mainly to ensure only a single registration of
0048  * each datamodel, during the constructor
0049  */
0050 class DatamodelRegistryIndex {
0051 public:
0052   static size_t value() {
0053     static const auto relationNames = PodioDatamodel__getRelationNames();
0054     static auto index =
0055       DatamodelRegistryIndex(podio::DatamodelRegistry::mutInstance().registerDatamodel(
0056                                "PodioDatamodel",
0057                                PodioDatamodel__JSONDefinition,
0058                                relationNames
0059                              ));
0060     return index.m_value;
0061   }
0062 private:
0063   DatamodelRegistryIndex(size_t v) : m_value(v) {}
0064   size_t m_value{podio::DatamodelRegistry::NoDefinitionAvailable};
0065 };
0066
0067
0068 namespace static_registration {
0069   // The usual trick via an IIFE and a const variable that we assign to, to
0070   // ensure that we populate this before everything starts
0071   inline  bool ensureRegistration() {
0072     const static auto reg = []() {
0073       return PodioDatamodel::meta::DatamodelRegistryIndex::value() != podio::DatamodelRegistry::NoDefinitionAvailable;
0074     }();
0075     return reg;
0076   }
0077
0078   const auto registrationEnsured = ensureRegistration();
0079 }
0080
0081 } // namespace PodioDatamodel::meta