File indexing completed on 2024-04-06 11:59:47
0001 #include "ShallowTree.h"
0002
0003 #include "FWCore/Framework/interface/ConstProductRegistry.h"
0004 #include "FWCore/Framework/interface/ProductSelector.h"
0005 #include "FWCore/Framework/interface/ProductSelectorRules.h"
0006
0007 #include <map>
0008 #include <TBranch.h>
0009
0010 ShallowTree::ShallowTree(const edm::ParameterSet& iConfig) {
0011 usesResource(TFileService::kSharedResource);
0012
0013
0014 int compSettings = iConfig.getUntrackedParameter<int>("CompressionSettings", -1);
0015 if (compSettings > 0)
0016 fs_->file().SetCompressionSettings(compSettings);
0017 tree_ = fs_->make<TTree>("tree", "");
0018
0019 std::map<std::string, LEAFTYPE> leafmap;
0020 leafmap["bool"] = BOOL;
0021 leafmap["bools"] = BOOL_V;
0022 leafmap["short int"] = SHORT;
0023 leafmap["shorts"] = SHORT_V;
0024 leafmap["ushort int"] = U_SHORT;
0025 leafmap["ushorts"] = U_SHORT_V;
0026 leafmap["int"] = INT;
0027 leafmap["ints"] = INT_V;
0028 leafmap["uint"] = U_INT;
0029 leafmap["uints"] = U_INT_V;
0030 leafmap["float"] = FLOAT;
0031 leafmap["floats"] = FLOAT_V;
0032 leafmap["double"] = DOUBLE;
0033 leafmap["doubles"] = DOUBLE_V;
0034 leafmap["lint"] = LONG;
0035 leafmap["longs"] = LONG_V;
0036 leafmap["ulint"] = U_LONG;
0037 leafmap["ulongs"] = U_LONG_V;
0038 leafmap["char"] = CHAR;
0039 leafmap["chars"] = CHAR_V;
0040 leafmap["uchar"] = U_CHAR;
0041 leafmap["uchars"] = U_CHAR_V;
0042
0043 edm::Service<edm::ConstProductRegistry> reg;
0044 auto allBranches = reg->allBranchDescriptions();
0045 edm::ProductSelectorRules productSelectorRules_(iConfig, "outputCommands", "ShallowTree");
0046 edm::ProductSelector productSelector_;
0047 productSelector_.initialize(productSelectorRules_, allBranches);
0048
0049 std::set<std::string> branchnames;
0050
0051 for (auto const& selection : allBranches) {
0052 if (productSelector_.selected(*selection)) {
0053
0054 if (branchnames.find(selection->productInstanceName()) != branchnames.end()) {
0055 throw edm::Exception(edm::errors::Configuration)
0056 << "More than one branch named: " << selection->productInstanceName() << std::endl
0057 << "Exception thrown from ShallowTree::ShallowTree" << std::endl;
0058 } else {
0059 branchnames.insert(selection->productInstanceName());
0060 }
0061
0062
0063 switch (leafmap.find(selection->friendlyClassName())->second) {
0064 case BOOL:
0065 connectors_.push_back(new TypedBranchConnector<bool>(selection, "/O", tree_));
0066 eat<bool>(selection);
0067 break;
0068 case BOOL_V:
0069 connectors_.push_back(new TypedBranchConnector<std::vector<bool> >(selection, "", tree_));
0070 eat<std::vector<bool> >(selection);
0071 break;
0072 case INT:
0073 connectors_.push_back(new TypedBranchConnector<int>(selection, "/I", tree_));
0074 eat<int>(selection);
0075 break;
0076 case INT_V:
0077 connectors_.push_back(new TypedBranchConnector<std::vector<int> >(selection, "", tree_));
0078 eat<std::vector<int> >(selection);
0079 break;
0080 case U_INT:
0081 connectors_.push_back(new TypedBranchConnector<unsigned int>(selection, "/i", tree_));
0082 eat<unsigned int>(selection);
0083 break;
0084 case U_INT_V:
0085 connectors_.push_back(new TypedBranchConnector<std::vector<unsigned int> >(selection, "", tree_));
0086 eat<std::vector<unsigned int> >(selection);
0087 break;
0088 case SHORT:
0089 connectors_.push_back(new TypedBranchConnector<short>(selection, "/S", tree_));
0090 eat<short>(selection);
0091 break;
0092 case SHORT_V:
0093 connectors_.push_back(new TypedBranchConnector<std::vector<short> >(selection, "", tree_));
0094 eat<std::vector<short> >(selection);
0095 break;
0096 case U_SHORT:
0097 connectors_.push_back(new TypedBranchConnector<unsigned short>(selection, "/s", tree_));
0098 eat<unsigned short>(selection);
0099 break;
0100 case U_SHORT_V:
0101 connectors_.push_back(new TypedBranchConnector<std::vector<unsigned short> >(selection, "", tree_));
0102 eat<std::vector<unsigned short> >(selection);
0103 break;
0104 case FLOAT:
0105 connectors_.push_back(new TypedBranchConnector<float>(selection, "/F", tree_));
0106 eat<float>(selection);
0107 break;
0108 case FLOAT_V:
0109 connectors_.push_back(new TypedBranchConnector<std::vector<float> >(selection, "", tree_));
0110 eat<std::vector<float> >(selection);
0111 break;
0112 case DOUBLE:
0113 connectors_.push_back(new TypedBranchConnector<double>(selection, "/D", tree_));
0114 eat<double>(selection);
0115 break;
0116 case DOUBLE_V:
0117 connectors_.push_back(new TypedBranchConnector<std::vector<double> >(selection, "", tree_));
0118 eat<std::vector<double> >(selection);
0119 break;
0120 case LONG:
0121 connectors_.push_back(new TypedBranchConnector<long>(selection, "/L", tree_));
0122 eat<long>(selection);
0123 break;
0124 case LONG_V:
0125 connectors_.push_back(new TypedBranchConnector<std::vector<long> >(selection, "", tree_));
0126 eat<std::vector<long> >(selection);
0127 break;
0128 case U_LONG:
0129 connectors_.push_back(new TypedBranchConnector<unsigned long>(selection, "/l", tree_));
0130 eat<unsigned long>(selection);
0131 break;
0132 case U_LONG_V:
0133 connectors_.push_back(new TypedBranchConnector<std::vector<unsigned long> >(selection, "", tree_));
0134 eat<std::vector<unsigned long> >(selection);
0135 break;
0136 case CHAR:
0137 connectors_.push_back(new TypedBranchConnector<char>(selection, "/B", tree_));
0138 eat<char>(selection);
0139 break;
0140 case CHAR_V:
0141 connectors_.push_back(new TypedBranchConnector<std::vector<char> >(selection, "", tree_));
0142 eat<std::vector<char> >(selection);
0143 break;
0144 case U_CHAR:
0145 connectors_.push_back(new TypedBranchConnector<unsigned char>(selection, "/b", tree_));
0146 eat<unsigned char>(selection);
0147 break;
0148 case U_CHAR_V:
0149 connectors_.push_back(new TypedBranchConnector<std::vector<unsigned char> >(selection, "", tree_));
0150 eat<std::vector<unsigned char> >(selection);
0151 break;
0152 default: {
0153 std::string leafstring = "";
0154 typedef std::pair<std::string, LEAFTYPE> pair_t;
0155 for (const auto& leaf : leafmap) {
0156 leafstring += "\t" + leaf.first + "\n";
0157 }
0158
0159 throw edm::Exception(edm::errors::Configuration)
0160 << "class ShallowTree does not handle leaves of type " << selection->className() << " like\n"
0161 << selection->friendlyClassName() << "_" << selection->moduleLabel() << "_"
0162 << selection->productInstanceName() << "_" << selection->processName() << std::endl
0163 << "Valid leaf types are (friendlyClassName):\n"
0164 << leafstring << "Exception thrown from ShallowTree::ShallowTree\n";
0165 }
0166 }
0167 }
0168 }
0169 }
0170
0171 void ShallowTree::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
0172 for (BranchConnector* connector : connectors_) {
0173 connector->connect(iEvent);
0174 }
0175 tree_->Fill();
0176 }
0177
0178 template <class T>
0179 void ShallowTree::TypedBranchConnector<T>::connect(const edm::Event& iEvent) {
0180 edm::Handle<T> handle_;
0181 iEvent.getByLabel(ml, pin, handle_);
0182 object_ = *handle_;
0183 }
0184
0185 template <class T>
0186 ShallowTree::TypedBranchConnector<T>::TypedBranchConnector(edm::BranchDescription const* desc,
0187 std::string t,
0188 TTree* tree)
0189 : ml(desc->moduleLabel()), pin(desc->productInstanceName()) {
0190 object_ptr_ = &object_;
0191 std::string s = pin + t;
0192 if (!t.empty()) {
0193 tree->Branch(pin.c_str(), object_ptr_, s.c_str());
0194 }
0195 else {
0196 tree->Branch(pin.c_str(), &object_ptr_);
0197 }
0198 }
