File indexing completed on 2025-03-23 16:00:21
0001 #include "PhysicsTools/NanoAOD/plugins/TableOutputBranches.h"
0002
0003 #include <iostream>
0004 #include <limits>
0005
0006 namespace {
0007 std::string makeBranchName(const std::string &baseName, const std::string &leafName) {
0008 return baseName.empty() ? leafName : (leafName.empty() ? baseName : baseName + "_" + leafName);
0009 }
0010 }
0011
0012 void TableOutputBranches::defineBranchesFromFirstEvent(const nanoaod::FlatTable &tab) {
0013 m_baseName = tab.name();
0014 for (size_t i = 0; i < tab.nColumns(); i++) {
0015 const std::string &var = tab.columnName(i);
0016 switch (tab.columnType(i)) {
0017 case nanoaod::FlatTable::ColumnType::UInt8:
0018 m_uint8Branches.emplace_back(var, tab.columnDoc(i), "b");
0019 break;
0020 case nanoaod::FlatTable::ColumnType::Int16:
0021 m_int16Branches.emplace_back(var, tab.columnDoc(i), "S");
0022 break;
0023 case nanoaod::FlatTable::ColumnType::UInt16:
0024 m_uint16Branches.emplace_back(var, tab.columnDoc(i), "s");
0025 break;
0026 case nanoaod::FlatTable::ColumnType::Int32:
0027 m_int32Branches.emplace_back(var, tab.columnDoc(i), "I");
0028 break;
0029 case nanoaod::FlatTable::ColumnType::UInt32:
0030 m_uint32Branches.emplace_back(var, tab.columnDoc(i), "i");
0031 break;
0032 case nanoaod::FlatTable::ColumnType::Int64:
0033 m_int64Branches.emplace_back(var, tab.columnDoc(i), "L");
0034 break;
0035 case nanoaod::FlatTable::ColumnType::UInt64:
0036 m_uint64Branches.emplace_back(var, tab.columnDoc(i), "l");
0037 break;
0038 case nanoaod::FlatTable::ColumnType::Bool:
0039 m_uint8Branches.emplace_back(var, tab.columnDoc(i), "O");
0040 break;
0041 case nanoaod::FlatTable::ColumnType::Float:
0042 m_floatBranches.emplace_back(var, tab.columnDoc(i), "F");
0043 break;
0044 case nanoaod::FlatTable::ColumnType::Double:
0045 m_doubleBranches.emplace_back(var, tab.columnDoc(i), "D");
0046 break;
0047 default:
0048 throw cms::Exception("LogicError", "Unsupported type");
0049 }
0050 }
0051 }
0052
0053 void TableOutputBranches::branch(TTree &tree) {
0054 if (!m_singleton) {
0055 if (m_extension == IsExtension) {
0056 m_counterBranch = tree.FindBranch(("n" + m_baseName).c_str());
0057 if (!m_counterBranch) {
0058 throw cms::Exception("LogicError",
0059 "Trying to save an extension table for " + m_baseName +
0060 " before having saved the corresponding main table\n");
0061 }
0062 } else {
0063 if (tree.FindBranch(("n" + m_baseName).c_str()) != nullptr) {
0064 throw cms::Exception("LogicError", "Trying to save multiple main tables for " + m_baseName + "\n");
0065 }
0066 m_counterBranch = tree.Branch(("n" + m_baseName).c_str(), &m_counter, ("n" + m_baseName + "/I").c_str());
0067 m_counterBranch->SetTitle(m_doc.c_str());
0068 }
0069 }
0070 std::string varsize = m_singleton ? "" : "[n" + m_baseName + "]";
0071 for (std::vector<NamedBranchPtr> *branches : {&m_uint8Branches,
0072 &m_int16Branches,
0073 &m_uint16Branches,
0074 &m_int32Branches,
0075 &m_uint32Branches,
0076 &m_int64Branches,
0077 &m_uint64Branches,
0078 &m_floatBranches,
0079 &m_doubleBranches}) {
0080 for (auto &pair : *branches) {
0081 std::string branchName = makeBranchName(m_baseName, pair.name);
0082 pair.branch =
0083 tree.Branch(branchName.c_str(), (void *)nullptr, (branchName + varsize + "/" + pair.rootTypeCode).c_str());
0084 pair.branch->SetTitle(pair.title.c_str());
0085 }
0086 }
0087 }
0088
0089 void TableOutputBranches::fill(const edm::OccurrenceForOutput &iWhatever, TTree &tree, bool extensions) {
0090 if (m_extension != DontKnowYetIfMainOrExtension) {
0091 if (extensions != m_extension)
0092 return;
0093 }
0094
0095 edm::Handle<nanoaod::FlatTable> handle;
0096 iWhatever.getByToken(m_token, handle);
0097 const nanoaod::FlatTable &tab = *handle;
0098 auto size = tab.size();
0099
0100
0101 if (size > std::numeric_limits<CounterType>::max()) {
0102 throw cms::Exception("Table " + tab.name() + " size is " + std::to_string(size) +
0103 ", is too large for ROOT native array branch");
0104 }
0105 m_counter = size;
0106 m_singleton = tab.singleton();
0107 if (!m_branchesBooked) {
0108 m_extension = tab.extension() ? IsExtension : IsMain;
0109 if (extensions != m_extension)
0110 return;
0111 defineBranchesFromFirstEvent(tab);
0112 m_doc = tab.doc();
0113 m_branchesBooked = true;
0114 branch(tree);
0115 }
0116 if (!m_singleton && m_extension == IsExtension) {
0117 if (m_counter != *reinterpret_cast<CounterType *>(m_counterBranch->GetAddress())) {
0118 throw cms::Exception("LogicError",
0119 "Mismatch in number of entries between extension and main table for " + tab.name());
0120 }
0121 }
0122 for (auto &pair : m_uint8Branches)
0123 fillColumn<uint8_t>(pair, tab);
0124 for (auto &pair : m_int16Branches)
0125 fillColumn<int16_t>(pair, tab);
0126 for (auto &pair : m_uint16Branches)
0127 fillColumn<uint16_t>(pair, tab);
0128 for (auto &pair : m_int32Branches)
0129 fillColumn<int32_t>(pair, tab);
0130 for (auto &pair : m_uint32Branches)
0131 fillColumn<uint32_t>(pair, tab);
0132 for (auto &pair : m_int64Branches)
0133 fillColumn<int64_t>(pair, tab);
0134 for (auto &pair : m_uint64Branches)
0135 fillColumn<uint64_t>(pair, tab);
0136 for (auto &pair : m_floatBranches)
0137 fillColumn<float>(pair, tab);
0138 for (auto &pair : m_doubleBranches)
0139 fillColumn<double>(pair, tab);
0140 }