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 *	getEventTree () const
TFile *	getFile () const
TUUID	getFileUUID () const
int	getFileVersion (TFile *file)
int	getFileVersion () const
Long_t	getLuminosityBlockEntry () const
TTree *	getLuminosityBlockTree () const
Long_t	getRunEntry () const
TTree *	getRunTree () const
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::auto_ptr < internal::BMRStrategy >	newStrategy (TFile *file, int fileVersion)

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

Detailed Description

Definition at line 69 of file BranchMapReader.h.

Constructor & Destructor Documentation

BranchMapReader::BranchMapReader

(

TFile *

file

)

Definition at line 571 of file BranchMapReader.cc.

References edm::hlt::Exception, getFileVersion(), newStrategy(), and strategy_.

                                            :
    fileVersion_(-1) {
  if(0==file) {
     throw cms::Exception("NoFile")<<"The TFile pointer is null";
  }
  strategy_ = newStrategy(file, getFileVersion(file));
}

fwlite::BranchMapReader::BranchMapReader ( )

inline

Definition at line 72 of file BranchMapReader.h.

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

Member Function Documentation

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

inline

Definition at line 85 of file BranchMapReader.h.

References strategy_.

Referenced by BareRootProductGetter::createNewBuffer().

{ return strategy_->branchIDToBranch(bid); }

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

inline

Definition at line 98 of file BranchMapReader.h.

References strategy_.

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

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

(

)

Definition at line 643 of file BranchMapReader.cc.

References strategy_.

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

                                       {
  return strategy_->getBranchDescriptions();
}

Long_t fwlite::BranchMapReader::getEventEntry ( ) const

inline

Definition at line 94 of file BranchMapReader.h.

References strategy_.

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* fwlite::BranchMapReader::getEventTree ( ) const

inline

Definition at line 90 of file BranchMapReader.h.

References strategy_.

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_; }

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

inline

Definition at line 89 of file BranchMapReader.h.

References strategy_.

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

{ return strategy_->currentFile_; }

TUUID fwlite::BranchMapReader::getFileUUID ( ) const

inline

Definition at line 93 of file BranchMapReader.h.

References strategy_.

{ return strategy_->fileUUID_; }

int BranchMapReader::getFileVersion

(

TFile *

file

)

Definition at line 583 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(0==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 87 of file BranchMapReader.h.

References fileVersion_.

Referenced by BranchMapReader(), and updateFile().

{ return  fileVersion_;}

Long_t fwlite::BranchMapReader::getLuminosityBlockEntry ( ) const

inline

Definition at line 95 of file BranchMapReader.h.

References strategy_.

{ return strategy_->luminosityBlockEntry_; }

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

inline

Definition at line 91 of file BranchMapReader.h.

References strategy_.

{ return strategy_->luminosityBlockTree_; }

Long_t fwlite::BranchMapReader::getRunEntry ( ) const

inline

Definition at line 96 of file BranchMapReader.h.

References strategy_.

{ return strategy_->runEntry_; }

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

inline

Definition at line 92 of file BranchMapReader.h.

References strategy_.

{ return strategy_->runTree_; }

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

private

Definition at line 649 of file BranchMapReader.cc.

References alignCSCRings::s.

Referenced by BranchMapReader(), and updateFile().

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

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

edm::BranchDescription const & BranchMapReader::productToBranch

(

const edm::ProductID &

pid

)

Definition at line 638 of file BranchMapReader.cc.

References strategy_.

                                                        {
  return strategy_->productToBranch(pid);
}

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

inline

Definition at line 83 of file BranchMapReader.h.

References strategy_.

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

{ return strategy_->productToBranchID(pid); }

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

inline

Definition at line 99 of file BranchMapReader.h.

References strategy_.

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

{ return strategy_->thinnedAssociationsHelper(); }

bool BranchMapReader::updateEvent

(

Long_t

eventEntry

)

Definition at line 598 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(0 == 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 602 of file BranchMapReader.cc.

References strategy_.

                                                          {
  return strategy_->updateLuminosityBlock(newlumi);
}

bool BranchMapReader::updateRun

(

Long_t

runEntry

)

Definition at line 606 of file BranchMapReader.cc.

References strategy_.

                                             {
  return strategy_->updateRun(newRun);
}

Member Data Documentation

int fwlite::BranchMapReader::fileVersion_

private

Definition at line 105 of file BranchMapReader.h.

Referenced by getFileVersion().

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

private

Definition at line 104 of file BranchMapReader.h.

Referenced by branchIDToBranch(), branchListIndexes(), BranchMapReader(), getBranchDescriptions(), getEventEntry(), getEventTree(), getFile(), getFileUUID(), getLuminosityBlockEntry(), getLuminosityBlockTree(), getRunEntry(), getRunTree(), productToBranch(), productToBranchID(), thinnedAssociationsHelper(), updateEvent(), updateFile(), updateLuminosityBlock(), and updateRun().