edm::input Namespace Reference

Classes
struct	BranchInfo

Typedefs
typedef std::map< BranchKey const, BranchInfo >	BranchMap
typedef Long64_t	EntryNumber

Functions
Int_t	getEntry (TBranch *branch, EntryNumber entryNumber)
Int_t	getEntry (TTree *tree, EntryNumber entryNumber)
Int_t	getEntryWithCache (TBranch *branch, EntryNumber entryNumber, TTreeCache *treeCache, InputFile *filePtr)
Int_t	getEntryWithCache (TTree *tree, EntryNumber entryNumber, TTreeCache *treeCache, InputFile *filePtr)

Variables
unsigned int const	defaultCacheSize = 20U * 1024 * 1024
unsigned int const	defaultLearningEntries = 20U
unsigned int const	defaultNonEventCacheSize = 1U * 1024 * 1024
unsigned int const	defaultNonEventLearningEntries = 1U

Typedef Documentation

typedef std::map<BranchKey const, BranchInfo> edm::input::BranchMap

Definition at line 39 of file Inputfwd.h.

typedef Long64_t edm::input::EntryNumber

Definition at line 40 of file Inputfwd.h.

Function Documentation

Int_t edm::input::getEntry	(	TBranch *	branch,
		EntryNumber	entryNumber
	)

Definition at line 184 of file RootTree.cc.

References ExpressReco_HICollisions_FallBack::e, edm::hlt::Exception, cms::Exception::explainSelf(), edm::errors::FileReadError, and n.

Referenced by edm::RootTree::fillBranchEntryNoCache(), edm::RootFile::fillHistory(), edm::RootTree::fillStatus(), getEntryWithCache(), edm::RootFile::readEntryDescriptionTree(), edm::RootFile::readParentageTree(), and edm::RootFile::RootFile().

                                                       {
      Int_t n = 0;
      try {
        n = branch->GetEntry(entryNumber);
      }
      catch(cms::Exception const& e) {
    throw edm::Exception(edm::errors::FileReadError) << e.explainSelf() << "\n";
      }
      return n;
    }

Int_t edm::input::getEntry	(	TTree *	tree,
		EntryNumber	entryNumber
	)

Definition at line 196 of file RootTree.cc.

References ExpressReco_HICollisions_FallBack::e, edm::hlt::Exception, cms::Exception::explainSelf(), edm::errors::FileReadError, and n.

                                                   {
      Int_t n = 0;
      try {
        n = tree->GetEntry(entryNumber);
      }
      catch(cms::Exception const& e) {
    throw edm::Exception(edm::errors::FileReadError) << e.explainSelf() << "\n";
      }
      return n;
    }

Int_t edm::input::getEntryWithCache	(	TBranch *	branch,
		EntryNumber	entryNumber,
		TTreeCache *	treeCache,
		InputFile *	filePtr
	)

Definition at line 208 of file RootTree.cc.

References getEntry(), n, and edm::InputFile::SetCacheRead().

Referenced by edm::RootTree::fillAux(), edm::RootTree::fillBranchEntry(), and edm::RootDelayedReader::getProduct_().

                                                                                                    {
      if (tc == 0) {
        return getEntry(branch, entryNumber);
      }
      filePtr->SetCacheRead(tc);
      Int_t n = getEntry(branch, entryNumber);
      filePtr->SetCacheRead(0);
      return n;
    }

Int_t edm::input::getEntryWithCache	(	TTree *	tree,
		EntryNumber	entryNumber,
		TTreeCache *	treeCache,
		InputFile *	filePtr
	)

Definition at line 219 of file RootTree.cc.

References getEntry(), n, and edm::InputFile::SetCacheRead().

                                                                                                {
      if (tc == 0) {
        return getEntry(tree, entryNumber);
      }
      filePtr->SetCacheRead(tc);
      Int_t n = getEntry(tree, entryNumber);
      filePtr->SetCacheRead(0);
      return n;
    }

Variable Documentation

unsigned int const edm::input::defaultCacheSize = 20U * 1024 * 1024

Definition at line 22 of file Inputfwd.h.

Referenced by edm::RootInputFileSequence::fillDescription().

unsigned int const edm::input::defaultLearningEntries = 20U

Definition at line 24 of file Inputfwd.h.

unsigned int const edm::input::defaultNonEventCacheSize = 1U * 1024 * 1024

Definition at line 23 of file Inputfwd.h.

Referenced by edm::RootFile::RootFile().

unsigned int const edm::input::defaultNonEventLearningEntries = 1U

Definition at line 25 of file Inputfwd.h.