#include <EventStringOutputBranches.h>

Classes
struct	NamedBranchPtr

Public Member Functions
	EventStringOutputBranches (const edm::BranchDescription *desc, const edm::EDGetToken &token, bool update_only_at_new_lumi=false)

void	fill (const edm::EventForOutput &iEvent, TTree &tree)

void	updateEventStringNames (TTree &, const std::string &)

Private Attributes
std::vector< NamedBranchPtr >	m_evStringBranches

unsigned long	m_fills

long	m_lastLumi

edm::EDGetToken	m_token

bool	m_update_only_at_new_lumi

Detailed Description

Definition at line 11 of file EventStringOutputBranches.h.

Constructor & Destructor Documentation

◆ EventStringOutputBranches()

EventStringOutputBranches::EventStringOutputBranches	(	const edm::BranchDescription *	desc,
		const edm::EDGetToken &	token,
		bool	update_only_at_new_lumi = `false`
	)

inline

Definition at line 13 of file EventStringOutputBranches.h.

       : m_token(token), m_lastLumi(-1), m_fills(0), m_update_only_at_new_lumi(update_only_at_new_lumi) {
     if (desc->className() != "std::basic_string<char,std::char_traits<char> >")
       throw cms::Exception("Configuration",
                            "NanoAODOutputModule/EventStringOutputBranches can only write out std::string objects");
   }

References edm::BranchDescription::className().

Member Function Documentation

◆ fill()

void EventStringOutputBranches::fill	(	const edm::EventForOutput &	iEvent,
		TTree &	tree
	)

Definition at line 30 of file EventStringOutputBranches.cc.

                                                                                  {
   if ((!m_update_only_at_new_lumi) || m_lastLumi != iEvent.id().luminosityBlock()) {
     edm::Handle<std::string> handle;
     iEvent.getByToken(m_token, handle);
     const std::string &evstring = *handle;
     m_lastLumi = iEvent.id().luminosityBlock();
     updateEventStringNames(tree, evstring);
   }
   m_fills++;
 }

References patZpeak::handle, iEvent, m_fills, m_lastLumi, m_token, m_update_only_at_new_lumi, AlCaHLTBitMon_QueryRunRegistry::string, and updateEventStringNames().

◆ updateEventStringNames()

void EventStringOutputBranches::updateEventStringNames	(	TTree &	tree,
		const std::string &	evstring
	)

Definition at line 7 of file EventStringOutputBranches.cc.

                                                                                              {
   bool found = false;
   for (auto &existing : m_evStringBranches) {
     existing.buffer = false;
     if (evstring == existing.name) {
       existing.buffer = true;
       found = true;
     }
   }
   if (!found && (!evstring.empty())) {
     NamedBranchPtr nb(evstring, "EventString bit");
     bool backFillValue = false;
     nb.branch = tree.Branch(nb.name.c_str(), &backFillValue, (nb.name + "/O").c_str());
     nb.branch->SetTitle(nb.title.c_str());
     for (size_t i = 0; i < m_fills; i++)
       nb.branch->Fill();  // Back fill
     nb.buffer = true;
     m_evStringBranches.push_back(nb);
     for (auto &existing : m_evStringBranches)
       existing.branch->SetAddress(&(existing.buffer));  // m_evStringBranches might have been resized
   }
 }