File indexing completed on 2025-02-14 03:16:32
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0014 #include <cassert>
0015 #include <algorithm>
0016
0017
0018 #include "FWCore/Framework/interface/ESRecordsToProductResolverIndices.h"
0019 #include "FWCore/Framework/interface/ComponentDescription.h"
0020
0021 namespace edm::eventsetup {
0022 ESRecordsToProductResolverIndices::ESRecordsToProductResolverIndices(std::vector<EventSetupRecordKey> iRecords)
0023 : recordKeys_{std::move(iRecords)} {
0024 assert(std::is_sorted(recordKeys_.begin(), recordKeys_.end()));
0025 recordOffsets_.reserve(recordKeys_.size() + 1);
0026 recordOffsets_.push_back(0);
0027 }
0028
0029 unsigned int ESRecordsToProductResolverIndices::dataKeysInRecord(
0030 unsigned int iRecordIndex,
0031 EventSetupRecordKey const& iRecord,
0032 std::vector<DataKey> const& iDataKeys,
0033 std::vector<ComponentDescription const*> const& iComponents,
0034 std::vector<unsigned int> const& iProduceMethodIDs) {
0035 assert(iRecord == recordKeys_[iRecordIndex]);
0036 assert(iDataKeys.size() == iComponents.size());
0037 assert(iDataKeys.size() == iProduceMethodIDs.size());
0038 assert(iRecordIndex + 1 == recordOffsets_.size());
0039 dataKeys_.insert(dataKeys_.end(), iDataKeys.begin(), iDataKeys.end());
0040 ++iRecordIndex;
0041 components_.insert(components_.end(), iComponents.begin(), iComponents.end());
0042 produceMethodIDs_.insert(produceMethodIDs_.end(), iProduceMethodIDs.begin(), iProduceMethodIDs.end());
0043 recordOffsets_.push_back(dataKeys_.size());
0044 return iRecordIndex;
0045 }
0046
0047
0048
0049
0050 ESResolverIndex ESRecordsToProductResolverIndices::indexInRecord(EventSetupRecordKey const& iRK,
0051 DataKey const& iDK) const noexcept {
0052 auto it = std::lower_bound(recordKeys_.begin(), recordKeys_.end(), iRK);
0053 if (it == recordKeys_.end() or *it != iRK) {
0054 return ESResolverIndex::noResolverConfigured();
0055 }
0056
0057 auto beginOffset = recordOffsets_[std::distance(recordKeys_.begin(), it)];
0058 ++it;
0059 auto endOffset = recordOffsets_[std::distance(recordKeys_.begin(), it)];
0060
0061 auto itDK = std::lower_bound(dataKeys_.begin() + beginOffset, dataKeys_.begin() + endOffset, iDK);
0062 if (itDK == dataKeys_.begin() + endOffset or *itDK != iDK) {
0063 return ESResolverIndex::noResolverConfigured();
0064 }
0065
0066 return ESResolverIndex{static_cast<int>(std::distance(dataKeys_.begin() + beginOffset, itDK))};
0067 }
0068
0069 ESRecordIndex ESRecordsToProductResolverIndices::recordIndexFor(EventSetupRecordKey const& iRK) const noexcept {
0070 auto it = std::lower_bound(recordKeys_.begin(), recordKeys_.end(), iRK);
0071 if (it == recordKeys_.end() or *it != iRK) {
0072 return missingRecordIndex();
0073 }
0074 return ESRecordIndex{static_cast<ESRecordIndex::Value_t>(it - recordKeys_.begin())};
0075 }
0076
0077 ComponentDescription const* ESRecordsToProductResolverIndices::component(EventSetupRecordKey const& iRK,
0078 DataKey const& iDK) const noexcept {
0079 auto it = std::lower_bound(recordKeys_.begin(), recordKeys_.end(), iRK);
0080 if (it == recordKeys_.end() or *it != iRK) {
0081 return nullptr;
0082 }
0083
0084 auto beginOffset = recordOffsets_[std::distance(recordKeys_.begin(), it)];
0085 ++it;
0086 auto endOffset = recordOffsets_[std::distance(recordKeys_.begin(), it)];
0087
0088 auto itDK = std::lower_bound(dataKeys_.begin() + beginOffset, dataKeys_.begin() + endOffset, iDK);
0089 if (itDK == dataKeys_.begin() + endOffset or *itDK != iDK) {
0090 return nullptr;
0091 }
0092 return components_[std::distance(dataKeys_.begin(), itDK)];
0093 }
0094
0095 std::tuple<ComponentDescription const*, unsigned int> ESRecordsToProductResolverIndices::componentAndProduceMethodID(
0096 EventSetupRecordKey const& iRK, ESResolverIndex esResolverIndex) const noexcept {
0097 auto const recIndex = recordIndexFor(iRK);
0098 if (recIndex == missingRecordIndex()) {
0099 return {nullptr, 0};
0100 }
0101 auto const beginIndex = recordOffsets_[recIndex.value()];
0102 auto const endIndex = recordOffsets_[recIndex.value() + 1];
0103
0104 int resolverIndex = esResolverIndex.value();
0105 if (resolverIndex < 0 || static_cast<unsigned int>(resolverIndex) >= endIndex - beginIndex) {
0106 return {nullptr, 0};
0107 }
0108 auto index = beginIndex + resolverIndex;
0109 return {components_[index], produceMethodIDs_[index]};
0110 }
0111
0112 ESTagGetter ESRecordsToProductResolverIndices::makeTagGetter(EventSetupRecordKey const& iRK,
0113 TypeTag const& iTT) const {
0114 auto recIndex = recordIndexFor(iRK);
0115 if (recIndex == missingRecordIndex()) {
0116 return ESTagGetter();
0117 }
0118
0119 auto const beginIndex = recordOffsets_[recIndex.value()];
0120 auto const endIndex = recordOffsets_[recIndex.value() + 1];
0121 auto keyIndex = beginIndex;
0122
0123 std::vector<ESTagGetter::Info> returnValue;
0124 returnValue.reserve(endIndex - beginIndex);
0125 bool foundFirstIndex = false;
0126 while (keyIndex < endIndex) {
0127 if (dataKeys_[keyIndex].type() != iTT) {
0128 if (foundFirstIndex) {
0129
0130 break;
0131 }
0132 } else {
0133 foundFirstIndex = true;
0134 returnValue.emplace_back(keyIndex - beginIndex,
0135 dataKeys_[keyIndex].name().value(),
0136 components_[keyIndex] ? components_[keyIndex]->label_.empty()
0137 ? std::string_view(components_[keyIndex]->type_)
0138 : std::string_view(components_[keyIndex]->label_)
0139 : std::string_view());
0140 }
0141 ++keyIndex;
0142 }
0143 return returnValue;
0144 }
0145
0146 std::pair<std::vector<DataKey>::const_iterator, std::vector<DataKey>::const_iterator>
0147 ESRecordsToProductResolverIndices::keysForRecord(EventSetupRecordKey const& iRK) const noexcept {
0148 auto recIndex = recordIndexFor(iRK);
0149 if (recIndex == missingRecordIndex()) {
0150 return std::make_pair(dataKeys_.end(), dataKeys_.end());
0151 }
0152 auto const beginIndex = recordOffsets_[recIndex.value()];
0153 auto const endIndex = recordOffsets_[recIndex.value() + 1];
0154 return std::make_pair(dataKeys_.begin() + beginIndex, dataKeys_.begin() + endIndex);
0155 }
0156
0157 }
