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#include "UserCode/ShallowTools/interface/ShallowTree.h"
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#include "FWCore/Framework/interface/ConstProductRegistry.h"
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#include "FWCore/Framework/interface/GroupSelector.h"
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#include "FWCore/Framework/interface/GroupSelectorRules.h"
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#include "DataFormats/Provenance/interface/Selections.h"
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#include <map>
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#include "boost/foreach.hpp"
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#include <TBranch.h>
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void ShallowTree::
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analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
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BOOST_FOREACH( BranchConnector* connector, connectors)
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connector->connect(iEvent);
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tree->Fill();
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}
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template <class T>
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void ShallowTree::TypedBranchConnector<T>::
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connect(const edm::Event& iEvent) {
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edm::Handle<T> handle_;
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iEvent.getByLabel(ml, pin, handle_);
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object_ = *handle_;
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}
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template <class T>
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ShallowTree::TypedBranchConnector<T>::
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TypedBranchConnector(edm::BranchDescription const* desc,
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std::string t,
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TTree * tree)
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: ml( desc->moduleLabel() ),
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pin( desc->productInstanceName() )
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{
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object_ptr_ = &object_;
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std::string s=pin+t;
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if(t!="") { tree->Branch(pin.c_str(), object_ptr_, s.c_str() );} //raw type
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else { tree->Branch(pin.c_str(), &object_ptr_ );} //vector<type>
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}
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void ShallowTree::
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beginJob(const edm::EventSetup&) {
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tree = fs->make<TTree>("tree", "");
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std::map<std::string, LEAFTYPE> leafmap;
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leafmap["bool"] = BOOL; leafmap["bools"] = BOOL_V;
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leafmap["short int"] = SHORT; leafmap["shorts"] = SHORT_V;
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leafmap["ushort int"]= U_SHORT; leafmap["ushorts"] = U_SHORT_V;
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leafmap["int"] = INT; leafmap["ints"] = INT_V;
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leafmap["uint"] = U_INT; leafmap["uints"] = U_INT_V;
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leafmap["float"] = FLOAT; leafmap["floats"] = FLOAT_V;
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leafmap["double"] = DOUBLE; leafmap["doubles"] = DOUBLE_V;
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leafmap["lint"] = LONG; leafmap["longs"] = LONG_V;
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leafmap["ulint"] = U_LONG; leafmap["ulongs"] = U_LONG_V;
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edm::Service<edm::ConstProductRegistry> reg;
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edm::Selections allBranches = reg->allBranchDescriptions();
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edm::GroupSelectorRules groupSelectorRules_(pset, "outputCommands", "ShallowTree");
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edm::GroupSelector groupSelector_;
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groupSelector_.initialize(groupSelectorRules_, allBranches);
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std::set<std::string> branchnames;
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BOOST_FOREACH( const edm::Selections::value_type& selection, allBranches) {
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if(groupSelector_.selected(*selection)) {
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//Check for duplicate branch names
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if (branchnames.find( selection->productInstanceName()) != branchnames.end() ) {
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throw edm::Exception(edm::errors::Configuration)
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<< "More than one branch named: "
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<< selection->productInstanceName() << std::endl
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<< "Exception thrown from ShallowTree::beginJob" << std::endl;
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}
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else {
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branchnames.insert( selection->productInstanceName() );
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}
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//Create ShallowTree branch
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switch(leafmap.find( selection->friendlyClassName() )->second) {
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case BOOL : connectors.push_back( new TypedBranchConnector <bool> (selection, "/O", tree) ); break;
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case BOOL_V : connectors.push_back( new TypedBranchConnector<std::vector <bool> >(selection, "", tree) ); break;
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case INT : connectors.push_back( new TypedBranchConnector <int> (selection, "/I", tree) ); break;
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case INT_V : connectors.push_back( new TypedBranchConnector<std::vector <int> >(selection, "", tree) ); break;
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case U_INT : connectors.push_back( new TypedBranchConnector <unsigned int> (selection, "/i", tree) ); break;
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case U_INT_V : connectors.push_back( new TypedBranchConnector<std::vector <unsigned int> >(selection, "", tree) ); break;
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case SHORT : connectors.push_back( new TypedBranchConnector <short> (selection, "/S", tree) ); break;
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case SHORT_V : connectors.push_back( new TypedBranchConnector<std::vector <short> >(selection, "", tree) ); break;
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case U_SHORT : connectors.push_back( new TypedBranchConnector <unsigned short> (selection, "/s", tree) ); break;
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case U_SHORT_V: connectors.push_back( new TypedBranchConnector<std::vector<unsigned short> >(selection, "", tree) ); break;
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case FLOAT : connectors.push_back( new TypedBranchConnector <float> (selection, "/F", tree) ); break;
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case FLOAT_V : connectors.push_back( new TypedBranchConnector<std::vector <float> >(selection, "", tree) ); break;
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case DOUBLE : connectors.push_back( new TypedBranchConnector <double> (selection, "/D", tree) ); break;
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case DOUBLE_V : connectors.push_back( new TypedBranchConnector<std::vector <double> >(selection, "", tree) ); break;
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case LONG : connectors.push_back( new TypedBranchConnector <long> (selection, "/L", tree) ); break;
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case LONG_V : connectors.push_back( new TypedBranchConnector<std::vector <long> >(selection, "", tree) ); break;
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case U_LONG : connectors.push_back( new TypedBranchConnector <unsigned long> (selection, "/l", tree) ); break;
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case U_LONG_V : connectors.push_back( new TypedBranchConnector<std::vector <unsigned long> >(selection, "", tree) ); break;
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default:
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{
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std::string leafstring = "";
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typedef std::pair<std::string, LEAFTYPE> pair_t;
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BOOST_FOREACH( const pair_t& leaf, leafmap)
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leafstring+= "\t" + leaf.first + "\n";
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throw edm::Exception(edm::errors::Configuration)
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<< "class ShallowTree does not handle leaves of type " << selection->className() << " like\n"
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<< selection->friendlyClassName() << "_"
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<< selection->moduleLabel() << "_"
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<< selection->productInstanceName() << "_"
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<< selection->processName() << std::endl
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<< "Valid leaf types are (friendlyClassName):\n"
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<< leafstring
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<< "Exception thrown from ShallowTree::beginJob\n";
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}
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}
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}
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}
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}
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