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#include "ShallowTree.h"
#include "FWCore/Framework/interface/ProductSelector.h"
#include "FWCore/Framework/interface/ProductSelectorRules.h"
#include <map>
#include <TBranch.h>
ShallowTree::ShallowTree(const edm::ParameterSet& iConfig) {
usesResource(TFileService::kSharedResource);
//int compSettings= iConfig.getParameter<int>("CompressionSettings",-1);
int compSettings = iConfig.getUntrackedParameter<int>("CompressionSettings", -1);
edm::Service<TFileService> fs;
if (compSettings > 0)
fs->file().SetCompressionSettings(compSettings);
tree_ = fs->make<TTree>("tree", "");
std::map<std::string, LEAFTYPE> leafmap;
leafmap["bool"] = BOOL;
leafmap["bools"] = BOOL_V;
leafmap["short int"] = SHORT;
leafmap["shorts"] = SHORT_V;
leafmap["ushort int"] = U_SHORT;
leafmap["ushorts"] = U_SHORT_V;
leafmap["int"] = INT;
leafmap["ints"] = INT_V;
leafmap["uint"] = U_INT;
leafmap["uints"] = U_INT_V;
leafmap["float"] = FLOAT;
leafmap["floats"] = FLOAT_V;
leafmap["double"] = DOUBLE;
leafmap["doubles"] = DOUBLE_V;
leafmap["lint"] = LONG;
leafmap["longs"] = LONG_V;
leafmap["ulint"] = U_LONG;
leafmap["ulongs"] = U_LONG_V;
leafmap["char"] = CHAR;
leafmap["chars"] = CHAR_V;
leafmap["uchar"] = U_CHAR;
leafmap["uchars"] = U_CHAR_V;
edm::ProductSelectorRules productSelectorRules(iConfig, "outputCommands", "ShallowTree");
std::set<std::string> branchnames;
callWhenNewProductsRegistered(
[productSelectorRules, branchnames, leafmap, this](edm::ProductDescription const& selection) mutable {
if (productSelectorRules.select(selection)) {
//Check for duplicate branch names
if (branchnames.find(selection.productInstanceName()) != branchnames.end()) {
throw edm::Exception(edm::errors::Configuration)
<< "More than one branch named: " << selection.productInstanceName() << std::endl
<< "Exception thrown from ShallowTree::ShallowTree" << std::endl;
} else {
branchnames.insert(selection.productInstanceName());
}
//Create ShallowTree branch
switch (leafmap.find(selection.friendlyClassName())->second) {
case BOOL:
connectors_.push_back(std::make_unique<TypedBranchConnector<bool>>(&selection, "/O", tree_));
eat<bool>(selection);
break;
case BOOL_V:
connectors_.push_back(std::make_unique<TypedBranchConnector<std::vector<bool>>>(&selection, "", tree_));
eat<std::vector<bool>>(selection);
break;
case INT:
connectors_.push_back(std::make_unique<TypedBranchConnector<int>>(&selection, "/I", tree_));
eat<int>(selection);
break;
case INT_V:
connectors_.push_back(std::make_unique<TypedBranchConnector<std::vector<int>>>(&selection, "", tree_));
eat<std::vector<int>>(selection);
break;
case U_INT:
connectors_.push_back(std::make_unique<TypedBranchConnector<unsigned int>>(&selection, "/i", tree_));
eat<unsigned int>(selection);
break;
case U_INT_V:
connectors_.push_back(
std::make_unique<TypedBranchConnector<std::vector<unsigned int>>>(&selection, "", tree_));
eat<std::vector<unsigned int>>(selection);
break;
case SHORT:
connectors_.push_back(std::make_unique<TypedBranchConnector<short>>(&selection, "/S", tree_));
eat<short>(selection);
break;
case SHORT_V:
connectors_.push_back(std::make_unique<TypedBranchConnector<std::vector<short>>>(&selection, "", tree_));
eat<std::vector<short>>(selection);
break;
case U_SHORT:
connectors_.push_back(std::make_unique<TypedBranchConnector<unsigned short>>(&selection, "/s", tree_));
eat<unsigned short>(selection);
break;
case U_SHORT_V:
connectors_.push_back(
std::make_unique<TypedBranchConnector<std::vector<unsigned short>>>(&selection, "", tree_));
eat<std::vector<unsigned short>>(selection);
break;
case FLOAT:
connectors_.push_back(std::make_unique<TypedBranchConnector<float>>(&selection, "/F", tree_));
eat<float>(selection);
break;
case FLOAT_V:
connectors_.push_back(std::make_unique<TypedBranchConnector<std::vector<float>>>(&selection, "", tree_));
eat<std::vector<float>>(selection);
break;
case DOUBLE:
connectors_.push_back(std::make_unique<TypedBranchConnector<double>>(&selection, "/D", tree_));
eat<double>(selection);
break;
case DOUBLE_V:
connectors_.push_back(std::make_unique<TypedBranchConnector<std::vector<double>>>(&selection, "", tree_));
eat<std::vector<double>>(selection);
break;
case LONG:
connectors_.push_back(std::make_unique<TypedBranchConnector<long>>(&selection, "/L", tree_));
eat<long>(selection);
break;
case LONG_V:
connectors_.push_back(std::make_unique<TypedBranchConnector<std::vector<long>>>(&selection, "", tree_));
eat<std::vector<long>>(selection);
break;
case U_LONG:
connectors_.push_back(std::make_unique<TypedBranchConnector<unsigned long>>(&selection, "/l", tree_));
eat<unsigned long>(selection);
break;
case U_LONG_V:
connectors_.push_back(
std::make_unique<TypedBranchConnector<std::vector<unsigned long>>>(&selection, "", tree_));
eat<std::vector<unsigned long>>(selection);
break;
case CHAR:
connectors_.push_back(std::make_unique<TypedBranchConnector<char>>(&selection, "/B", tree_));
eat<char>(selection);
break;
case CHAR_V:
connectors_.push_back(std::make_unique<TypedBranchConnector<std::vector<char>>>(&selection, "", tree_));
eat<std::vector<char>>(selection);
break;
case U_CHAR:
connectors_.push_back(std::make_unique<TypedBranchConnector<unsigned char>>(&selection, "/b", tree_));
eat<unsigned char>(selection);
break;
case U_CHAR_V:
connectors_.push_back(
std::make_unique<TypedBranchConnector<std::vector<unsigned char>>>(&selection, "", tree_));
eat<std::vector<unsigned char>>(selection);
break;
default: {
std::string leafstring = "";
typedef std::pair<std::string, LEAFTYPE> pair_t;
for (const auto& leaf : leafmap) {
leafstring += "\t" + leaf.first + "\n";
}
throw edm::Exception(edm::errors::Configuration)
<< "class ShallowTree does not handle leaves of type " << selection.className() << " like\n"
<< selection.friendlyClassName() << "_" << selection.moduleLabel() << "_"
<< selection.productInstanceName() << "_" << selection.processName() << std::endl
<< "Valid leaf types are (friendlyClassName):\n"
<< leafstring << "Exception thrown from ShallowTree::ShallowTree\n";
}
}
}
});
}
void ShallowTree::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
for (auto& connector : connectors_) {
connector->connect(iEvent);
}
tree_->Fill();
}
template <class T>
void ShallowTree::TypedBranchConnector<T>::connect(const edm::Event& iEvent) {
edm::Handle<T> handle;
iEvent.getByLabel(ml_, pin_, handle);
object_ = *handle;
}
template <class T>
ShallowTree::TypedBranchConnector<T>::TypedBranchConnector(edm::ProductDescription const* desc,
std::string t,
TTree* tree)
: ml_(desc->moduleLabel()), pin_(desc->productInstanceName()) {
object_ptr_ = &object_;
std::string s = pin_ + t;
if (!t.empty()) {
tree->Branch(pin_.c_str(), object_ptr_, s.c_str());
} //raw type
else {
tree->Branch(pin_.c_str(), &object_ptr_);
} //vector<type>
}
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