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| 1 | +// Copyright 2019-2020 CERN and copyright holders of ALICE O2. |
| 2 | +// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders. |
| 3 | +// All rights not expressly granted are reserved. |
| 4 | +// |
| 5 | +// This software is distributed under the terms of the GNU General Public |
| 6 | +// License v3 (GPL Version 3), copied verbatim in the file "COPYING". |
| 7 | +// |
| 8 | +// In applying this license CERN does not waive the privileges and immunities |
| 9 | +// granted to it by virtue of its status as an Intergovernmental Organization |
| 10 | +// or submit itself to any jurisdiction. |
| 11 | + |
| 12 | +#include "AODReaderHelpers.h" |
| 13 | +#include "../src/ExpressionJSONHelpers.h" |
| 14 | +#include "../src/IndexJSONHelpers.h" |
| 15 | + |
| 16 | +#include "Framework/AnalysisDataModel.h" |
| 17 | +#include "Framework/AnalysisHelpers.h" |
| 18 | +#include "Framework/DataProcessingHelpers.h" |
| 19 | +#include "Framework/AlgorithmSpec.h" |
| 20 | +#include "Framework/DataSpecUtils.h" |
| 21 | +#include "Framework/ConfigContext.h" |
| 22 | +#include "Framework/AnalysisContext.h" |
| 23 | + |
| 24 | +namespace o2::framework::readers |
| 25 | +{ |
| 26 | +namespace |
| 27 | +{ |
| 28 | +struct Buildable { |
| 29 | + bool exclusive = false; |
| 30 | + std::string binding; |
| 31 | + std::vector<std::string> labels; |
| 32 | + header::DataOrigin origin; |
| 33 | + header::DataDescription description; |
| 34 | + header::DataHeader::SubSpecificationType version; |
| 35 | + std::vector<o2::soa::IndexRecord> records; |
| 36 | + std::shared_ptr<arrow::Schema> outputSchema; |
| 37 | + |
| 38 | + Buildable(InputSpec const& spec) |
| 39 | + : binding{spec.binding} |
| 40 | + { |
| 41 | + auto&& [origin_, description_, version_] = DataSpecUtils::asConcreteDataMatcher(spec); |
| 42 | + origin = origin_; |
| 43 | + description = description_; |
| 44 | + version = version_; |
| 45 | + |
| 46 | + auto loc = std::find_if(spec.metadata.begin(), spec.metadata.end(), [](ConfigParamSpec const& cps) { return cps.name.compare("index-records") == 0; }); |
| 47 | + std::stringstream iws(loc->defaultValue.get<std::string>()); |
| 48 | + records = IndexJSONHelpers::read(iws); |
| 49 | + |
| 50 | + loc = std::find_if(spec.metadata.begin(), spec.metadata.end(), [](ConfigParamSpec const& cps) { return cps.name.compare("index-exclusive") == 0; }); |
| 51 | + exclusive = loc->defaultValue.get<bool>(); |
| 52 | + |
| 53 | + for (auto const& r : records) { |
| 54 | + labels.emplace_back(r.label); |
| 55 | + } |
| 56 | + outputSchema = std::make_shared<arrow::Schema>([](std::vector<o2::soa::IndexRecord> const& recs) { |
| 57 | + std::vector<std::shared_ptr<arrow::Field>> fields; |
| 58 | + for (auto& r : recs) { |
| 59 | + fields.push_back(r.field()); |
| 60 | + } |
| 61 | + return fields; |
| 62 | + }(records)) |
| 63 | + -> WithMetadata(std::make_shared<arrow::KeyValueMetadata>(std::vector{std::string{ "label"}}, std::vector{std::string{binding}})); |
| 64 | + } |
| 65 | + |
| 66 | + framework::Builder createBuilder() const |
| 67 | + { |
| 68 | + return { |
| 69 | + exclusive, |
| 70 | + labels, |
| 71 | + records, |
| 72 | + outputSchema, |
| 73 | + origin, |
| 74 | + description, |
| 75 | + version, |
| 76 | + nullptr}; |
| 77 | + } |
| 78 | +}; |
| 79 | + |
| 80 | +} // namespace |
| 81 | + |
| 82 | +AlgorithmSpec AODReaderHelpers::indexBuilderCallback(ConfigContext const& ctx) |
| 83 | +{ |
| 84 | + auto& ac = ctx. services(). get<AnalysisContext>(); |
| 85 | + return AlgorithmSpec::InitCallback{[requested = ac.requestedIDXs](InitContext& /*ic*/) { |
| 86 | + std::vector<Buildable> buildables; |
| 87 | + for (auto& i : requested) { |
| 88 | + buildables.emplace_back(i); |
| 89 | + } |
| 90 | + std::vector<Builder> builders; |
| 91 | + for (auto& b : buildables) { |
| 92 | + builders.push_back(b.createBuilder()); |
| 93 | + } |
| 94 | + return [builders](ProcessingContext& pc) mutable { |
| 95 | + auto outputs = pc.outputs(); |
| 96 | + for (auto& builder : builders) { |
| 97 | + outputs.adopt(Output{builder.origin, builder.description, builder.version}, builder.materialize(pc)); |
| 98 | + } |
| 99 | + }; |
| 100 | + }}; |
| 101 | +} |
| 102 | + |
| 103 | +namespace |
| 104 | +{ |
| 105 | +struct Spawnable { |
| 106 | + std::string binding; |
| 107 | + std::vector<std::string> labels; |
| 108 | + std::vector<expressions::Projector> projectors; |
| 109 | + std::vector<std::shared_ptr<gandiva::Expression>> expressions; |
| 110 | + std::shared_ptr<arrow::Schema> outputSchema; |
| 111 | + std::shared_ptr<arrow::Schema> inputSchema; |
| 112 | + |
| 113 | + header::DataOrigin origin; |
| 114 | + header::DataDescription description; |
| 115 | + header::DataHeader::SubSpecificationType version; |
| 116 | + |
| 117 | + Spawnable(InputSpec const& spec) |
| 118 | + : binding{spec.binding} |
| 119 | + { |
| 120 | + auto&& [origin_, description_, version_] = DataSpecUtils::asConcreteDataMatcher(spec); |
| 121 | + origin = origin_; |
| 122 | + description = description_; |
| 123 | + version = version_; |
| 124 | + auto loc = std::find_if(spec.metadata.begin(), spec.metadata.end(), [](ConfigParamSpec const& cps) { return cps.name.compare("projectors") == 0; }); |
| 125 | + std::stringstream iws(loc->defaultValue.get<std::string>()); |
| 126 | + projectors = ExpressionJSONHelpers::read(iws); |
| 127 | + |
| 128 | + loc = std::find_if(spec.metadata.begin(), spec.metadata.end(), [](ConfigParamSpec const& cps) { return cps.name.compare("schema") == 0; }); |
| 129 | + iws.clear(); |
| 130 | + iws.str(loc->defaultValue.get<std::string>()); |
| 131 | + outputSchema = ArrowJSONHelpers::read(iws); |
| 132 | + o2::framework::addLabelToSchema(outputSchema, binding.c_str()); |
| 133 | + |
| 134 | + std::vector<std::shared_ptr<arrow::Schema>> schemas; |
| 135 | + for (auto& i : spec.metadata) { |
| 136 | + if (i.name.starts_with("input-schema:")) { |
| 137 | + labels.emplace_back(i.name.substr(13)); |
| 138 | + iws.clear(); |
| 139 | + auto json = i.defaultValue.get<std::string>(); |
| 140 | + iws.str(json); |
| 141 | + schemas.emplace_back(ArrowJSONHelpers::read(iws)); |
| 142 | + } |
| 143 | + } |
| 144 | + |
| 145 | + std::vector<std::shared_ptr<arrow::Field>> fields; |
| 146 | + for (auto& s : schemas) { |
| 147 | + std::copy(s->fields().begin(), s->fields().end(), std::back_inserter(fields)); |
| 148 | + } |
| 149 | + |
| 150 | + inputSchema = std::make_shared<arrow::Schema>(fields); |
| 151 | + expressions = expressions::materializeProjectors(projectors, inputSchema, outputSchema->fields()); |
| 152 | + } |
| 153 | + |
| 154 | + std::shared_ptr<gandiva::Projector> makeProjector() const |
| 155 | + { |
| 156 | + std::shared_ptr<gandiva::Projector> p = nullptr; |
| 157 | + auto s = gandiva::Projector::Make( |
| 158 | + inputSchema, |
| 159 | + expressions, |
| 160 | + &p); |
| 161 | + if (!s.ok()) { |
| 162 | + throw o2::framework::runtime_error_f("Failed to create projector: %s", s.ToString().c_str()); |
| 163 | + } |
| 164 | + return p; |
| 165 | + } |
| 166 | + |
| 167 | + framework::Spawner createMaker() const |
| 168 | + { |
| 169 | + return { |
| 170 | + binding, |
| 171 | + labels, |
| 172 | + expressions, |
| 173 | + makeProjector(), |
| 174 | + outputSchema, |
| 175 | + inputSchema, |
| 176 | + origin, |
| 177 | + description, |
| 178 | + version}; |
| 179 | + } |
| 180 | +}; |
| 181 | + |
| 182 | +} // namespace |
| 183 | + |
| 184 | +AlgorithmSpec AODReaderHelpers::aodSpawnerCallback(ConfigContext const& ctx) |
| 185 | +{ |
| 186 | + auto& ac = ctx. services(). get<AnalysisContext>(); |
| 187 | + return AlgorithmSpec::InitCallback{[requested = ac.spawnerInputs](InitContext& /*ic*/) { |
| 188 | + std::vector<Spawnable> spawnables; |
| 189 | + for (auto& i : requested) { |
| 190 | + spawnables.emplace_back(i); |
| 191 | + } |
| 192 | + std::vector<Spawner> spawners; |
| 193 | + for (auto& s : spawnables) { |
| 194 | + spawners.push_back(s.createMaker()); |
| 195 | + } |
| 196 | + |
| 197 | + return [spawners](ProcessingContext& pc) mutable { |
| 198 | + auto outputs = pc.outputs(); |
| 199 | + for (auto& spawner : spawners) { |
| 200 | + outputs.adopt(Output{spawner.origin, spawner.description, spawner.version}, spawner.materialize(pc)); |
| 201 | + } |
| 202 | + }; |
| 203 | + }}; |
| 204 | +} |
| 205 | + |
| 206 | +} // namespace o2::framework::readers |
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