FWFileEntry Class Reference

#include <FWFileEntry.h>

Classes
struct	Filter

Public Member Functions
void	closeFile ()
fwlite::Event *	event ()
TFile *	file ()
std::list< Filter * > &	filters ()
int	firstSelectedEvent ()
	FWFileEntry (const std::string &name, bool checkVersion)
FWTEventList *	globalSelection ()
bool	hasActiveFilters ()
bool	hasSelectedEvents ()
bool	isEventSelected (int event)
int	lastEvent ()
int	lastSelectedEvent ()
void	needUpdate ()
int	nextSelectedEvent (int event)
void	openFile (bool)
int	previousSelectedEvent (int event)
TTree *	tree ()
void	updateFilters (const FWEventItemsManager *eiMng, bool isOR)
virtual	~FWFileEntry ()

Private Member Functions
bool	filterEventsWithCustomParser (Filter *filter)
	FWFileEntry (const FWFileEntry &)
const FWFileEntry &	operator= (const FWFileEntry &)
void	runFilter (Filter *fe, const FWEventItemsManager *eiMng)

Private Attributes
fwlite::Event *	m_event
TTree *	m_eventTree
TFile *	m_file
std::list< Filter * >	m_filterEntries
FWTEventList *	m_globalEventList
std::string	m_name
bool	m_needUpdate

Detailed Description

Definition at line 34 of file FWFileEntry.h.

Constructor & Destructor Documentation

FWFileEntry::FWFileEntry	(	const std::string &	name,
		bool	checkVersion
	)

Definition at line 24 of file FWFileEntry.cc.

References openFile().

                                                                 :
   m_name(name), m_file(0), m_eventTree(0), m_event(0),
   m_needUpdate(true), m_globalEventList(0)
{
   openFile(checkVersion);
}

FWFileEntry::~FWFileEntry ( )

virtual

Definition at line 31 of file FWFileEntry.cc.

References i, m_filterEntries, and m_globalEventList.

{
   for(std::list<Filter*>::iterator i = m_filterEntries.begin(); i != m_filterEntries.end(); ++i)
      delete (*i)->m_eventList;

   delete m_globalEventList;
}

FWFileEntry::FWFileEntry ( const FWFileEntry &  )

private

Member Function Documentation

void FWFileEntry::closeFile

(

)

Definition at line 123 of file FWFileEntry.cc.

References m_event, m_eventTree, and m_file.

Referenced by CmsShowNavigator::appendFile(), CmsShowNavigator::openFile(), and Vispa.Main.Application.Application::tabCloseRequest().

{
   if (m_file) {
      printf("Reading %lld bytes in %d transactions.\n",
             m_file->GetBytesRead(), m_file->GetReadCalls());
      delete m_file->GetCacheRead(m_eventTree);

      m_file->Close();
      delete m_file;
   }
   if (m_event) delete m_event;
}

fwlite::Event* FWFileEntry::event ( )

inline

Definition at line 58 of file FWFileEntry.h.

References m_event.

Referenced by Types.EventID::cppID().

{ return m_event; }

TFile* FWFileEntry::file ( )

inline

Definition at line 57 of file FWFileEntry.h.

References m_file.

{ return m_file; }

bool FWFileEntry::filterEventsWithCustomParser ( Filter *  filter )

private

Definition at line 381 of file FWFileEntry.cc.

References edm::HLTGlobalStatus::accept(), fwlite::Event::atEnd(), FWTEventList::Enter(), alcazmumu_cfi::filter, filters(), fwLog, fwlite::Handle< T >::getByLabel(), i, edm::EventBase::id(), iEvent, cmsHarvester::index, j, fwlog::kDebug, fwlog::kWarning, list(), m_event, FWFileEntry::Filter::m_eventList, FWEventSelector::m_expression, m_file, FWFileEntry::Filter::m_needsUpdate, FWFileEntry::Filter::m_selector, FWEventSelector::m_triggerProcess, corrVsCorr::selection, edm::TriggerNames::size(), AlCaHLTBitMon_QueryRunRegistry::string, fwlite::Event::to(), fwlite::Event::toBegin(), edm::TriggerNames::triggerIndex(), and fwlite::Event::triggerNames().

Referenced by runFilter().

{
   std::string selection(filterEntry->m_selector->m_expression);

   boost::regex re_spaces("\\s+");
   selection = boost::regex_replace(selection,re_spaces,"");
   if (selection.find("&&") != std::string::npos &&
       selection.find("||") != std::string::npos )
   {
      // Combination of && and || operators not supported.
      return false;
   }

   fwlite::Handle<edm::TriggerResults> hTriggerResults;
   edm::TriggerNames const* triggerNames(0);
   try
   {
      hTriggerResults.getByLabel(*m_event,"TriggerResults","", filterEntry->m_selector->m_triggerProcess.c_str());
      triggerNames = &(m_event->triggerNames(*hTriggerResults));
   }
   catch(...)
   {
      fwLog(fwlog::kWarning) << " failed to get trigger results with process name "<<  filterEntry->m_selector->m_triggerProcess << std::endl;
      return false;
   }
   
   // std::cout << "Number of trigger names: " << triggerNames->size() << std::endl;
   // for (unsigned int i=0; i<triggerNames->size(); ++i)
   //  std::cout << " " << triggerNames->triggerName(i);
   //std::cout << std::endl;
   
   bool junction_mode = true; // AND
   if (selection.find("||")!=std::string::npos)
      junction_mode = false; // OR

   boost::regex re("\\&\\&|\\|\\|");

   boost::sregex_token_iterator i(selection.begin(), selection.end(), re, -1);
   boost::sregex_token_iterator j;

   // filters and how they enter in the logical expression
   std::vector<std::pair<unsigned int,bool> > filters;

   while (i != j)
   {
      std::string filter = *i++;
      bool flag = true;
      if (filter[0] == '!')
      {
         flag = false;
         filter.erase(filter.begin());
      }
      unsigned int index = triggerNames->triggerIndex(filter);
      if (index == triggerNames->size()) 
      {
         // Trigger name not found.
         return false;
      }
      filters.push_back(std::make_pair(index, flag));
   }
   if (filters.empty())
      return false;

   if (filterEntry->m_eventList)
      filterEntry->m_eventList->Reset();
   else
       filterEntry->m_eventList = new FWTEventList();
   FWTEventList* list = filterEntry->m_eventList;

   // loop over events
   edm::EventID currentEvent = m_event->id();
   unsigned int iEvent = 0;

   for (m_event->toBegin(); !m_event->atEnd(); ++(*m_event))
   {
      hTriggerResults.getByLabel(*m_event,"TriggerResults","", filterEntry->m_selector->m_triggerProcess.c_str());
      std::vector<std::pair<unsigned int,bool> >::const_iterator filter = filters.begin();
      bool passed = hTriggerResults->accept(filter->first) == filter->second;
      while (++filter != filters.end())
      {
         if (junction_mode)
            passed &= hTriggerResults->accept(filter->first) == filter->second;
         else
            passed |= hTriggerResults->accept(filter->first) == filter->second;
      }
      if (passed)
         list->Enter(iEvent);
      ++iEvent;
   }
   m_event->to(currentEvent);

   filterEntry->m_needsUpdate = false;
   
   fwLog(fwlog::kDebug) << "FWFile::filterEventsWithCustomParser file [" << m_file->GetName() << "], filter [" << filterEntry->m_selector->m_expression << "], selected [" << list->GetN() << "]"  << std::endl;
   
   return true;
}

std::list<Filter*>& FWFileEntry::filters ( )

inline

Definition at line 62 of file FWFileEntry.h.

References m_filterEntries.

Referenced by CmsShowNavigator::appendFile(), filterEventsWithCustomParser(), and CmsShowNavigator::openFile().

{ return m_filterEntries; }

int FWFileEntry::firstSelectedEvent

(

)

Definition at line 149 of file FWFileEntry.cc.

References m_globalEventList.

{
   if (m_globalEventList->GetN() > 0)
   {
      return m_globalEventList->GetEntry(0);
   }
   else
   {
      return -1;
   }
}

FWTEventList* FWFileEntry::globalSelection ( )

inline

Definition at line 60 of file FWFileEntry.h.

References m_globalEventList.

{ return m_globalEventList; }

bool FWFileEntry::hasActiveFilters

(

)

Definition at line 202 of file FWFileEntry.cc.

References m_filterEntries.

{
   for (std::list<Filter*>::iterator it = m_filterEntries.begin(); it != m_filterEntries.end(); ++it)
   {
      if ((*it)->m_selector->m_enabled)
         return true;
   }

   return false;
}

bool FWFileEntry::hasSelectedEvents

(

)

Definition at line 144 of file FWFileEntry.cc.

References m_globalEventList.

{
   return m_globalEventList->GetN() > 0;
}

bool FWFileEntry::isEventSelected

(

int

event

)

Definition at line 138 of file FWFileEntry.cc.

References customizeTrackingMonitorSeedNumber::idx, and m_globalEventList.

{
   int idx = m_globalEventList->GetIndex(tree_entry);
   return idx >= 0;
}

int FWFileEntry::lastEvent ( )

inline

Definition at line 76 of file FWFileEntry.h.

References m_eventTree.

{ return m_eventTree->GetEntries() -1; }

int FWFileEntry::lastSelectedEvent

(

)

Definition at line 161 of file FWFileEntry.cc.

References m_globalEventList.

{
   if (m_globalEventList->GetN() > 0)
      return m_globalEventList->GetEntry(m_globalEventList->GetN() - 1);
   else
      return -1;
}

void FWFileEntry::needUpdate ( )

inline

Definition at line 81 of file FWFileEntry.h.

References m_needUpdate.

{ m_needUpdate = true; }

int FWFileEntry::nextSelectedEvent

(

int

event

)

Definition at line 169 of file FWFileEntry.cc.

References customizeTrackingMonitorSeedNumber::idx, list(), and m_globalEventList.

{
   // Find next selected event after the current one.
   // This returns the index in the selected event list.
   // If none exists -1 is returned.

   const Long64_t *list = m_globalEventList->GetList();
   Long64_t val = tree_entry;
   Long64_t idx = TMath::BinarySearch(m_globalEventList->GetN(), list, val);
   ++idx;
   if (idx >= m_globalEventList->GetN() || idx < 0)
      return -1;
   return list[idx];
}

void FWFileEntry::openFile

(

bool

checkVersion

)

Definition at line 39 of file FWFileEntry.cc.

References fireworks::acceptDataFormatsVersion(), b, createTree::dd, fwLog, fireworks::getDecomposedVersion(), fwlog::kInfo, m_event, m_eventTree, m_file, m_name, visualization-live-secondInstance_cfg::msg, edm::processConfiguration, edm::ProcessConfiguration::processName(), edm::ProcessConfiguration::releaseVersion(), fwlite::Event::size(), fireworks::supportedDataFormatsVersion(), findQualityFiles::v, and x.

Referenced by Vispa.Main.Application.Application::_readCommandLineAttributes(), Vispa.Main.Application.Application::doubleClickOnFile(), FWFileEntry(), Vispa.Main.Application.Application::openFileDialog(), and Vispa.Main.Application.Application::openRecentFileSlot().

{
   gErrorIgnoreLevel = 3000; // suppress warnings about missing dictionaries
   TFile *newFile = TFile::Open(m_name.c_str());
   if (newFile == 0 || newFile->IsZombie() || !newFile->Get("Events")) {
      //  std::cout << "Invalid file. Ignored." << std::endl;
      // return false;
      throw std::runtime_error("Invalid file. Ignored.");
   }
   gErrorIgnoreLevel = -1;
   m_file = newFile;


   // check CMSSW relese version for compatibility
   if (checkVersion) {
      typedef std::vector<edm::ProcessHistory> provList;
  
      TTree   *metaData = dynamic_cast<TTree*>(m_file->Get("MetaData"));
      TBranch *b = metaData->GetBranch("ProcessHistory");
      provList *x = 0;
      b->SetAddress(&x);
      b->GetEntry(0);
      
      const edm::ProcessConfiguration* dd = 0;
      int latestVersion =0;
      int currentVersionArr[] = {0, 0, 0};
      for (auto const& processHistory : *x)
      {
         for (auto const& processConfiguration : processHistory)
         {
            // std::cout << processConfiguration.releaseVersion() << "  " << processConfiguration.processName() << std::endl;
            TString dcv = processConfiguration.releaseVersion();
            fireworks::getDecomposedVersion(dcv, currentVersionArr);
            int nvv = currentVersionArr[0]*100 + currentVersionArr[1]*10 + currentVersionArr[2];
            if (nvv > latestVersion) {
               latestVersion = nvv;
               dd = &processConfiguration;
            }
         }
      }

      if (latestVersion) {
         fwLog(fwlog::kInfo) << "Checking process history. " << m_name.c_str() << " latest process \""  << dd->processName() << "\", version " << dd->releaseVersion() << std::endl;
    
         b->SetAddress(0);
         TString v = dd->releaseVersion();
         if (!fireworks::acceptDataFormatsVersion(v))
         {
            int* di = (fireworks::supportedDataFormatsVersion());
            TString msg = Form("incompatible data: Process version does not mactch major data formats version. File produced with %s. Data formats version \"CMSSW_%d_%d_%d\".\n", 
                               dd->releaseVersion().c_str(), di[0], di[1], di[2]);
            msg += "Use --no-version-check option if you still want to view the file.\n";
            throw std::runtime_error(msg.Data());
         }
      }
      else {
         TString msg = "No process history available\n";
         msg += "Use --no-version-check option if you still want to view the file.\n";
         throw std::runtime_error(msg.Data());
      }
   }

   // load event
   m_event = new fwlite::Event(m_file);

   if (m_event->size() == 0)
         throw std::runtime_error("fwlite::Event size == 0");


   m_eventTree = dynamic_cast<TTree*>(m_file->Get("Events"));

   if (m_eventTree == 0)
   { 
      throw std::runtime_error("Cannot find TTree 'Events' in the data file");
   }

   // This now set in DataHelper
   //TTreeCache::SetLearnEntries(2);
   //m_eventTree->SetCacheSize(10*1024*1024);
   //TTreeCache *tc = (TTreeCache*) m_file->GetCacheRead();
   //tc->AddBranch(m_event->auxBranch_,kTRUE);
   //tc->StartLearningPhase();
}

const FWFileEntry& FWFileEntry::operator= ( const FWFileEntry &  )

private

int FWFileEntry::previousSelectedEvent

(

int

event

)

Definition at line 184 of file FWFileEntry.cc.

References customizeTrackingMonitorSeedNumber::idx, list(), and m_globalEventList.

{
   // Find first selected event before current one.
   // This returns the index in the selected event list.
   // If none exists -1 is returned.

   const Long64_t *list = m_globalEventList->GetList();
   Long64_t val = tree_entry;
   Long64_t idx = TMath::BinarySearch(m_globalEventList->GetN(), list, val);
   if (list[idx] == val)
      --idx;
   if (idx >= 0)
      return list[idx];
   else
      return -1;
}

void FWFileEntry::runFilter ( Filter *  fe, const FWEventItemsManager *  eiMng  )

private

Definition at line 259 of file FWFileEntry.cc.

References b, FWEventItemsManager::begin(), edm::TypeWithDict::byName(), end, FWEventItemsManager::end(), filterEventsWithCustomParser(), newFWLiteAna::found, fwLog, fwlite::Event::getBranchNameFor(), FWEventItem::getPrimaryData(), FWEventItem::hasEvent(), i, fwlog::kDebug, fwlog::kError, fwlog::kWarning, m_event, FWFileEntry::Filter::m_eventList, m_eventTree, FWEventSelector::m_expression, m_file, FWFileEntry::Filter::m_needsUpdate, FWFileEntry::Filter::m_selector, FWEventSelector::m_triggerProcess, FWEventItem::moduleLabel(), mergeVDriftHistosByStation::name, edm::TypeWithDict::name(), FWEventItem::processName(), FWEventItem::productInstanceLabel(), mps_fire::result, FWEventItem::setEvent(), AlCaHLTBitMon_QueryRunRegistry::string, FWEventItem::type(), edm::TypeWithDict::typeInfo(), and edm::wrappedClassName().

Referenced by updateFilters().

{
   if (!filter->m_selector->m_triggerProcess.empty())
   {
      filterEventsWithCustomParser(filter);
      return;
   }
    
   // parse selection for known Fireworks expressions
   std::string interpretedSelection = filter->m_selector->m_expression;

   for (FWEventItemsManager::const_iterator i = eiMng->begin(),
           end = eiMng->end(); i != end; ++i)
   {
      FWEventItem *item = *i;
      if (item == nullptr)
         continue;
      // FIXME: hack to get full branch name filled
      if (!item->hasEvent())
      {
         item->setEvent(m_event);
         item->getPrimaryData();
         item->setEvent(nullptr);
      }

      boost::regex re(std::string("\\$") + (*i)->name());

      if (boost::regex_search(interpretedSelection, re))
      {
         const edm::TypeWithDict elementType(const_cast<TClass*>(item->type()));
         const edm::TypeWithDict wrapperType = edm::TypeWithDict::byName(edm::wrappedClassName(elementType.name()));
         std::string fullBranchName = m_event->getBranchNameFor(wrapperType.typeInfo(),
                                                                item->moduleLabel().c_str(), 
                                                                item->productInstanceLabel().c_str(),
                                                                item->processName().c_str());

         interpretedSelection = boost::regex_replace(interpretedSelection, re,
                                                     fullBranchName + ".obj");

         // printf("selection after applying s/%s/%s/: %s\n",
         //     (std::string("\\$") + (*i)->name()).c_str(),
         //     ((*i)->m_fullBranchName + ".obj").c_str(),
         //     interpretedSelection.c_str());
      }
   }


   std::size_t found = interpretedSelection.find('$');
   if (found!=std::string::npos)
   {
       fwLog(fwlog::kError) << "FWFileEntry::RunFilter invalid expression " <<  interpretedSelection << std::endl;
       filter->m_needsUpdate = false;
       return;
   }

   m_file->cd();
   m_eventTree->SetEventList(0);
   
   // Since ROOT will leave any TBranches used in the filtering at the last event,
   // we need to be able to reset them to what fwlite::Event expects them to be
   // we do this by holding onto the old buffers and create temporary new ones.

   std::map<TBranch*, void*> prevAddrs;

   {
      TObjArray* branches = m_eventTree->GetListOfBranches();
      std::auto_ptr<TIterator> pIt( branches->MakeIterator());
      while (TObject* branchObj = pIt->Next())
      {
         TBranch* b = dynamic_cast<TBranch*> (branchObj);
         if (0!=b)
         {
            const char * name = b->GetName();
            unsigned int length = strlen(name);
            if (length > 1 && name[length-1] != '.')
            {
               // This is not a data branch so we should ignore it.
               continue;
            }
            if (0 != b->GetAddress())
            {
               if (prevAddrs.find(b) != prevAddrs.end())
               {
                  fwLog(fwlog::kWarning) << "FWFileEntry::runFilter branch is already in the map!\n";
               }
               prevAddrs.insert(std::make_pair(b, b->GetAddress()));

               // std::cout <<"Zeroing branch: "<< b->GetName() <<" "<< (void*) b->GetAddress() <<std::endl;
               b->SetAddress(0);
            }
         }
      }
   }

   if (filter->m_eventList)
      filter->m_eventList->Reset();
   else
      filter->m_eventList = new FWTEventList;

   TEveSelectorToEventList stoelist(filter->m_eventList, interpretedSelection.c_str());
   Long64_t result = m_eventTree->Process(&stoelist);

   if (result < 0)
      fwLog(fwlog::kWarning) << "FWFileEntry::runFilter in file [" << m_file->GetName() << "] filter [" << filter->m_selector->m_expression << "] is invalid." << std::endl;
   else      
      fwLog(fwlog::kDebug) << "FWFileEntry::runFilter is file [" << m_file->GetName() << "], filter [" << filter->m_selector->m_expression << "] has ["  << filter->m_eventList->GetN() << "] events selected" << std::endl;

   // Set back the old branch buffers.
   {
      for (auto i : prevAddrs)
      {
         // std::cout <<"Resetting branch: "<< i.first->GetName() <<" "<< i.second <<std::endl;
         i.first->SetAddress(i.second);
      }
   }

   filter->m_needsUpdate = false;
}

TTree* FWFileEntry::tree ( )

inline

Definition at line 59 of file FWFileEntry.h.

References m_eventTree.

Referenced by ZJetsTreeAnalyzer.ZJetsTreeAnalyzer::beginLoop(), MetTreeProducer.MetTreeProducer::declareVariables(), core.AutoFillTreeProducer.AutoFillTreeProducer::declareVariables(), core.AutoFillTreeProducer.AutoFillTreeProducer::fillTree(), ZJetsTreeAnalyzer.ZJetsTreeAnalyzer::process(), MetTreeProducer.MetTreeProducer::process(), and python.cmstools.EventTree::SetAlias().

{ return m_eventTree; }

void FWFileEntry::updateFilters	(	const FWEventItemsManager *	eiMng,
		bool	isOR
	)

Definition at line 214 of file FWFileEntry.cc.

References FWTEventList::Add(), fwLog, fwlog::kDebug, m_eventTree, m_file, m_filterEntries, m_globalEventList, m_needUpdate, and runFilter().

{
   if (!m_needUpdate)
      return;
   
   if (m_globalEventList)
      m_globalEventList->Reset();
   else
      m_globalEventList = new FWTEventList;

   for (std::list<Filter*>::iterator it = m_filterEntries.begin(); it != m_filterEntries.end(); ++it)
   {
      if ((*it)->m_selector->m_enabled && (*it)->m_needsUpdate)
      {
         runFilter(*it, eiMng);
      }
      // Need to re-check if enabled after filtering as it can be set to false
      // in runFilter().
      if ((*it)->m_selector->m_enabled)
      {
         if ((*it)->hasSelectedEvents())
         {
            if (globalOR || m_globalEventList->GetN() == 0)
            {
               m_globalEventList->Add((*it)->m_eventList);
            }
            else
            {
               m_globalEventList->Intersect((*it)->m_eventList);
            }
         }
         else if (!globalOR)
         {
            m_globalEventList->Reset();
            break;
         }
      }
   }
   
   fwLog(fwlog::kDebug) << "FWFileEntry::updateFilters in [" << m_file->GetName() << "]  global selection [" << m_globalEventList->GetN() << "/" <<  m_eventTree->GetEntries() << "]" << std::endl;

   m_needUpdate = false;
}

Member Data Documentation

fwlite::Event* FWFileEntry::m_event

private

Definition at line 94 of file FWFileEntry.h.

Referenced by closeFile(), event(), filterEventsWithCustomParser(), openFile(), and runFilter().

TTree* FWFileEntry::m_eventTree

private

Definition at line 93 of file FWFileEntry.h.

Referenced by closeFile(), lastEvent(), openFile(), runFilter(), tree(), and updateFilters().

TFile* FWFileEntry::m_file

private

Definition at line 92 of file FWFileEntry.h.

Referenced by closeFile(), file(), filterEventsWithCustomParser(), openFile(), runFilter(), and updateFilters().

std::list<Filter*> FWFileEntry::m_filterEntries

private

Definition at line 98 of file FWFileEntry.h.

Referenced by filters(), hasActiveFilters(), updateFilters(), and ~FWFileEntry().

FWTEventList* FWFileEntry::m_globalEventList

private

Definition at line 99 of file FWFileEntry.h.

Referenced by firstSelectedEvent(), globalSelection(), hasSelectedEvents(), isEventSelected(), lastSelectedEvent(), nextSelectedEvent(), previousSelectedEvent(), updateFilters(), and ~FWFileEntry().

std::string FWFileEntry::m_name

private

Definition at line 91 of file FWFileEntry.h.

Referenced by openFile().

bool FWFileEntry::m_needUpdate

private

Definition at line 96 of file FWFileEntry.h.

Referenced by needUpdate(), and updateFilters().