File indexing completed on 2024-04-06 12:12:01
0001 #ifndef FWCore_Framework_ESProductResolverArgumentFactoryTemplate_h
0002 #define FWCore_Framework_ESProductResolverArgumentFactoryTemplate_h
0003
0004
0005
0006
0007
0008
0009
0010
0011
0012
0013
0014
0015
0016
0017
0018
0019
0020
0021
0022 #include <cassert>
0023 #include <memory>
0024 #include <string>
0025 #include <vector>
0026
0027
0028 #include "FWCore/Framework/interface/ESProductResolverFactoryBase.h"
0029 #include "FWCore/Framework/interface/DataKey.h"
0030
0031 namespace edm {
0032 namespace eventsetup {
0033
0034 class ESProductResolver;
0035
0036 template <class ResolverType, class CallbackType>
0037 class ESProductResolverArgumentFactoryTemplate : public ESProductResolverFactoryBase {
0038 public:
0039 using RecordType = typename ResolverType::RecordType;
0040
0041 ESProductResolverArgumentFactoryTemplate(
0042 std::shared_ptr<std::pair<unsigned int, std::shared_ptr<CallbackType>>> callback)
0043 : callback_(std::move(callback)) {}
0044
0045 ESProductResolverArgumentFactoryTemplate(const ESProductResolverArgumentFactoryTemplate&) = delete;
0046 const ESProductResolverArgumentFactoryTemplate& operator=(const ESProductResolverArgumentFactoryTemplate&) =
0047 delete;
0048
0049 std::unique_ptr<ESProductResolver> makeResolver(unsigned int iovIndex) override {
0050 if (iovIndex != callback_->first) {
0051
0052
0053
0054
0055
0056
0057 assert(iovIndex == callback_->first + 1);
0058 callback_->first = callback_->first + 1;
0059 callback_->second = std::shared_ptr<CallbackType>(callback_->second->clone());
0060 }
0061 return std::make_unique<ResolverType>(callback_->second);
0062 }
0063
0064 DataKey makeKey(const std::string& iName) const override {
0065 return DataKey(DataKey::makeTypeTag<typename ResolverType::ValueType>(), iName.c_str());
0066 }
0067
0068 private:
0069 std::shared_ptr<std::pair<unsigned int, std::shared_ptr<CallbackType>>> callback_;
0070 };
0071 }
0072 }
0073 #endif