fwlite::BranchMapReader Class Reference

#include <BranchMapReader.h>

Public Member Functions
const edm::BranchDescription &	branchIDToBranch (const edm::BranchID &bid) const
const edm::BranchListIndexes &	branchListIndexes () const
	BranchMapReader (TFile *file)
	BranchMapReader ()
const std::vector< edm::BranchDescription > &	getBranchDescriptions ()
Long_t	getEventEntry () const
TTree const *	getEventTree () const
TTree *	getEventTree ()
TFile const *	getFile () const
TFile *	getFile ()
TUUID	getFileUUID () const
int	getFileVersion (TFile *file)
int	getFileVersion () const
Long_t	getLuminosityBlockEntry () const
TTree const *	getLuminosityBlockTree () const
TTree *	getLuminosityBlockTree ()
Long_t	getRunEntry () const
TTree const *	getRunTree () const
TTree *	getRunTree ()
const edm::BranchDescription &	productToBranch (const edm::ProductID &pid)
edm::BranchID	productToBranchID (const edm::ProductID &pid)
const edm::ThinnedAssociationsHelper &	thinnedAssociationsHelper () const
bool	updateEvent (Long_t eventEntry)
bool	updateFile (TFile *file)
bool	updateLuminosityBlock (Long_t luminosityBlockEntry)
bool	updateRun (Long_t runEntry)

Private Member Functions
std::unique_ptr< internal::BMRStrategy >	newStrategy (TFile *file, int fileVersion)

Private Attributes
int	fileVersion_
std::unique_ptr< internal::BMRStrategy >	strategy_

Detailed Description

Definition at line 70 of file BranchMapReader.h.

Constructor & Destructor Documentation

BranchMapReader::BranchMapReader

(

TFile *

file

)

Definition at line 578 of file BranchMapReader.cc.

References Exception, getFileVersion(), newStrategy(), and strategy_.

                                              : fileVersion_(-1) {
    if (nullptr == file) {
      throw cms::Exception("NoFile") << "The TFile pointer is null";
    }
    strategy_ = newStrategy(file, getFileVersion(file));
  }

fwlite::BranchMapReader::BranchMapReader ( )

inline

Definition at line 73 of file BranchMapReader.h.

References hltMonBTagClient_cff::updateLuminosityBlock, and hltMonBTagIPClient_cfi::updateRun.

: strategy_(nullptr), fileVersion_(0) {}

Member Function Documentation

const edm::BranchDescription& fwlite::BranchMapReader::branchIDToBranch ( const edm::BranchID &  bid ) const

inline

Definition at line 86 of file BranchMapReader.h.

Referenced by BareRootProductGetter::createNewBuffer().

                                                                               {
      return strategy_->branchIDToBranch(bid);
    }

const edm::BranchListIndexes& fwlite::BranchMapReader::branchListIndexes ( ) const

inline

Definition at line 105 of file BranchMapReader.h.

                                                          {
      strategy_->updateMap();
      return strategy_->branchListIndexes();
    }

std::vector< edm::BranchDescription > const & BranchMapReader::getBranchDescriptions

(

)

Definition at line 641 of file BranchMapReader.cc.

References strategy_.

                                                                                {
    return strategy_->getBranchDescriptions();
  }

Long_t fwlite::BranchMapReader::getEventEntry ( ) const

inline

Definition at line 101 of file BranchMapReader.h.

Referenced by fwlite::Event::atEnd(), fwlite::Event::eventAuxiliary(), fwlite::Event::getByLabel(), fwlite::Event::getByProductID(), fwlite::Event::getThinnedProduct(), fwlite::Event::getThinnedProducts(), fwlite::Event::history(), fwlite::Event::isValid(), and fwlite::Event::operator++().

{ return strategy_->eventEntry_; }

TTree const* fwlite::BranchMapReader::getEventTree ( ) const

inline

Definition at line 94 of file BranchMapReader.h.

Referenced by BareRootProductGetter::createNewBuffer(), fwlite::Event::draw(), fwlite::Event::Event(), fwlite::EntryFinder::fillIndex(), BareRootProductGetter::getIt(), BareRootProductGetter::getThinnedProduct(), BareRootProductGetter::getThinnedProducts(), fwlite::Event::scan(), and fwlite::Event::size().

{ return strategy_->eventTree_; }

TTree* fwlite::BranchMapReader::getEventTree ( )

inline

Definition at line 95 of file BranchMapReader.h.

{ return strategy_->eventTree_; }

TFile const* fwlite::BranchMapReader::getFile ( ) const

inline

Definition at line 92 of file BranchMapReader.h.

Referenced by fwlite::EntryFinder::fillIndex(), fwlite::Event::fillParameterSetRegistry(), BareRootProductGetter::getIt(), and fwlite::Event::history().

{ return strategy_->currentFile_; }

TFile* fwlite::BranchMapReader::getFile ( )

inline

Definition at line 93 of file BranchMapReader.h.

{ return strategy_->currentFile_; }

TUUID fwlite::BranchMapReader::getFileUUID ( ) const

inline

Definition at line 100 of file BranchMapReader.h.

{ return strategy_->fileUUID_; }

int BranchMapReader::getFileVersion

(

TFile *

file

)

Definition at line 589 of file BranchMapReader.cc.

References edm::poolNames::fileFormatVersionBranchName(), fileVersion_, edm::poolNames::metaDataTreeName(), findQualityFiles::v, and edm::FileFormatVersion::value().

Referenced by fwlite::Event::Event().

                                                 {
    TTree* metaDataTree = dynamic_cast<TTree*>(file->Get(edm::poolNames::metaDataTreeName().c_str()));
    if (nullptr == metaDataTree) {
      return 0;
    }

    edm::FileFormatVersion v;
    edm::FileFormatVersion* pV = &v;
    TBranch* bVer = metaDataTree->GetBranch(edm::poolNames::fileFormatVersionBranchName().c_str());
    bVer->SetAddress(&pV);
    bVer->GetEntry(0);
    fileVersion_ = v.value();
    return v.value();
  }

int fwlite::BranchMapReader::getFileVersion ( ) const

inline

Definition at line 90 of file BranchMapReader.h.

Referenced by BranchMapReader(), and updateFile().

{ return fileVersion_; }

Long_t fwlite::BranchMapReader::getLuminosityBlockEntry ( ) const

inline

Definition at line 102 of file BranchMapReader.h.

{ return strategy_->luminosityBlockEntry_; }

TTree const* fwlite::BranchMapReader::getLuminosityBlockTree ( ) const

inline

Definition at line 96 of file BranchMapReader.h.

{ return strategy_->luminosityBlockTree_; }

TTree* fwlite::BranchMapReader::getLuminosityBlockTree ( )

inline

Definition at line 97 of file BranchMapReader.h.

{ return strategy_->luminosityBlockTree_; }

Long_t fwlite::BranchMapReader::getRunEntry ( ) const

inline

Definition at line 103 of file BranchMapReader.h.

{ return strategy_->runEntry_; }

TTree const* fwlite::BranchMapReader::getRunTree ( ) const

inline

Definition at line 98 of file BranchMapReader.h.

{ return strategy_->runTree_; }

TTree* fwlite::BranchMapReader::getRunTree ( )

inline

Definition at line 99 of file BranchMapReader.h.

{ return strategy_->runTree_; }

std::unique_ptr< internal::BMRStrategy > BranchMapReader::newStrategy ( TFile *  file, int  fileVersion  )

private

Definition at line 645 of file BranchMapReader.cc.

References FrontierConditions_GlobalTag_cff::file, and alignCSCRings::s.

Referenced by BranchMapReader(), and updateFile().

                                                                                              {
    std::unique_ptr<internal::BMRStrategy> s;

    if (fileVersion >= 17) {
      s = std::make_unique<internal::BranchMapReaderStrategyV17>(file, fileVersion);
    } else if (fileVersion >= 11) {
      s = std::make_unique<internal::BranchMapReaderStrategyV11>(file, fileVersion);
    } else if (fileVersion >= 8) {
      s = std::make_unique<internal::BranchMapReaderStrategyV8>(file, fileVersion);
    } else if (fileVersion >= 7) {
      s = std::make_unique<internal::BranchMapReaderStrategyV7>(file, fileVersion);
    } else {
      s = std::make_unique<internal::BranchMapReaderStrategyV1>(file, fileVersion);
    }
    return s;
  }

edm::BranchDescription const & BranchMapReader::productToBranch

(

const edm::ProductID &

pid

)

Definition at line 637 of file BranchMapReader.cc.

References strategy_.

                                                                                      {
    return strategy_->productToBranch(pid);
  }

edm::BranchID fwlite::BranchMapReader::productToBranchID ( const edm::ProductID &  pid )

inline

Definition at line 84 of file BranchMapReader.h.

Referenced by BareRootProductGetter::getIt(), BareRootProductGetter::getThinnedProduct(), and BareRootProductGetter::getThinnedProducts().

{ return strategy_->productToBranchID(pid); }

const edm::ThinnedAssociationsHelper& fwlite::BranchMapReader::thinnedAssociationsHelper ( ) const

inline

Definition at line 109 of file BranchMapReader.h.

Referenced by BareRootProductGetter::getThinnedProduct(), and BareRootProductGetter::getThinnedProducts().

                                                                          {
      return strategy_->thinnedAssociationsHelper();
    }

bool BranchMapReader::updateEvent

(

Long_t

eventEntry

)

Definition at line 604 of file BranchMapReader.cc.

References strategy_.

Referenced by fwlite::Event::Event(), BareRootProductGetter::getIt(), fwlite::Event::operator++(), fwlite::Event::to(), and fwlite::Event::toBegin().

{ return strategy_->updateEvent(newevent); }

bool BranchMapReader::updateFile

(

TFile *

file

)

Definition at line 610 of file BranchMapReader.cc.

References edm::poolNames::eventTreeName(), getFileVersion(), newStrategy(), and strategy_.

Referenced by BareRootProductGetter::getIt().

                                              {
    if (nullptr == strategy_.get()) {
      strategy_ = newStrategy(file, getFileVersion(file));
      return true;
    }

    TFile* currentFile(strategy_->currentFile_);
    bool isNew(file != currentFile);

    if (!isNew) {
      //could still have a new TFile which just happens to share the same memory address as the previous file
      //will assume that if the Event tree's address and UUID are the same as before then we do not have
      // to treat this like a new file
      TTree* eventTreeTemp = dynamic_cast<TTree*>(currentFile->Get(edm::poolNames::eventTreeName().c_str()));
      isNew = eventTreeTemp != strategy_->eventTree_ || strategy_->fileUUID_ != currentFile->GetUUID();
    }
    if (isNew) {
      int fileVersion = getFileVersion(file);
      if (fileVersion != strategy_->fileVersion_) {
        strategy_ = newStrategy(file, fileVersion);
      } else {
        strategy_->updateFile(file);
      }
    }
    return isNew;
  }

bool BranchMapReader::updateLuminosityBlock

(

Long_t

luminosityBlockEntry

)

Definition at line 606 of file BranchMapReader.cc.

References strategy_.

{ return strategy_->updateLuminosityBlock(newlumi); }

bool BranchMapReader::updateRun

(

Long_t

runEntry

)

Definition at line 608 of file BranchMapReader.cc.

References strategy_.

{ return strategy_->updateRun(newRun); }

Member Data Documentation

int fwlite::BranchMapReader::fileVersion_

private

Definition at line 117 of file BranchMapReader.h.

Referenced by getFileVersion().

std::unique_ptr<internal::BMRStrategy> fwlite::BranchMapReader::strategy_

private

Definition at line 116 of file BranchMapReader.h.

Referenced by BranchMapReader(), getBranchDescriptions(), productToBranch(), updateEvent(), updateFile(), updateLuminosityBlock(), and updateRun().