File indexing completed on 2021-02-14 13:27:36
0001 #ifndef FWCore_Common_EventBase_h
0002 #define FWCore_Common_EventBase_h
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0024 #include "DataFormats/Common/interface/BasicHandle.h"
0025
0026 #include "DataFormats/Provenance/interface/EventAuxiliary.h"
0027 #include "DataFormats/Provenance/interface/EventID.h"
0028 #include "DataFormats/Provenance/interface/Timestamp.h"
0029 #include "DataFormats/Provenance/interface/ParameterSetID.h"
0030 #include "DataFormats/Common/interface/ConvertHandle.h"
0031 #include "DataFormats/Common/interface/Handle.h"
0032 #include "FWCore/Common/interface/TriggerResultsByName.h"
0033 #include "FWCore/Utilities/interface/InputTag.h"
0034
0035
0036 #include <typeinfo>
0037
0038 namespace edm {
0039
0040 class ProcessHistory;
0041 class ProductID;
0042 class TriggerResults;
0043 class TriggerNames;
0044 class ParameterSet;
0045
0046 class EventBase {
0047 public:
0048 EventBase();
0049 virtual ~EventBase();
0050
0051
0052 template <typename T>
0053 bool getByLabel(InputTag const&, Handle<T>&) const;
0054
0055 template <typename T>
0056 bool get(ProductID const&, Handle<T>&) const;
0057
0058
0059 edm::EventID id() const { return eventAuxiliary().id(); }
0060 edm::Timestamp time() const { return eventAuxiliary().time(); }
0061 edm::LuminosityBlockNumber_t luminosityBlock() const { return eventAuxiliary().luminosityBlock(); }
0062 bool isRealData() const { return eventAuxiliary().isRealData(); }
0063 edm::EventAuxiliary::ExperimentType experimentType() const { return eventAuxiliary().experimentType(); }
0064 int bunchCrossing() const { return eventAuxiliary().bunchCrossing(); }
0065 int orbitNumber() const { return eventAuxiliary().orbitNumber(); }
0066 virtual edm::EventAuxiliary const& eventAuxiliary() const = 0;
0067
0068 virtual TriggerNames const& triggerNames(edm::TriggerResults const& triggerResults) const = 0;
0069 virtual TriggerResultsByName triggerResultsByName(edm::TriggerResults const& triggerResults) const = 0;
0070 virtual ProcessHistory const& processHistory() const = 0;
0071
0072 virtual edm::ParameterSet const* parameterSet(edm::ParameterSetID const& psID) const = 0;
0073
0074 protected:
0075 static TriggerNames const* triggerNames_(edm::TriggerResults const& triggerResults);
0076
0077 static edm::ParameterSet const* parameterSetForID_(edm::ParameterSetID const& psID);
0078
0079 private:
0080
0081
0082
0083
0084 virtual BasicHandle getByLabelImpl(std::type_info const& iWrapperType,
0085 std::type_info const& iProductType,
0086 InputTag const& iTag) const = 0;
0087 virtual BasicHandle getImpl(std::type_info const& iProductType, ProductID const& iTag) const = 0;
0088
0089 };
0090
0091 template <typename T>
0092 bool EventBase::getByLabel(InputTag const& tag, Handle<T>& result) const {
0093 result.clear();
0094 BasicHandle bh = this->getByLabelImpl(typeid(edm::Wrapper<T>), typeid(T), tag);
0095 result = convert_handle<T>(std::move(bh));
0096 if (result.failedToGet()) {
0097 return false;
0098 }
0099 return true;
0100 }
0101
0102 template <typename T>
0103 bool EventBase::get(ProductID const& pid, Handle<T>& result) const {
0104 result.clear();
0105 BasicHandle bh = this->getImpl(typeid(T), pid);
0106 result = convert_handle_check_type<T>(std::move(bh));
0107 if (result.failedToGet()) {
0108 return false;
0109 }
0110 return true;
0111 }
0112
0113 }
0114
0115 #endif