columnar::TestUtils::BranchReaderArray< T > Class Template Reference

Collaboration diagram for columnar::TestUtils::BranchReaderArray< T >:

Public Member Functions
	BranchReaderArray (const std::string &val_branchName)
	BranchReaderArray (const BranchReaderArray &)=delete
BranchReaderArray &	operator= (const BranchReaderArray &)=delete
std::string	columnName () const
std::string	containerName () const
void	connectTree (TTree *tree)
std::span< const T >	getEntry (Long64_t entry, std::size_t size)
std::optional< float >	entrySize () const
std::optional< float >	uncompressedSize () const
std::optional< unsigned >	numBaskets ()

Public Attributes
std::string	m_branchName
TBranch *	m_branch = nullptr
std::vector< T >	m_dataVec

Detailed Description

template<typename T>
class columnar::TestUtils::BranchReaderArray< T >

Definition at line 271 of file ColumnarPhysliteTest.cxx.

Constructor & Destructor Documentation

BranchReaderArray() [1/2]

template<typename T >

columnar::TestUtils::BranchReaderArray< T >::BranchReaderArray ( const std::string &  val_branchName )

inline

Definition at line 279 of file ColumnarPhysliteTest.cxx.

        : m_branchName (val_branchName)
      {}

BranchReaderArray() [2/2]

template<typename T >

columnar::TestUtils::BranchReaderArray< T >::BranchReaderArray ( const BranchReaderArray< T > &  )

delete

Member Function Documentation

columnName()

template<typename T >

std::string columnar::TestUtils::BranchReaderArray< T >::columnName ( ) const

inline

Definition at line 286 of file ColumnarPhysliteTest.cxx.

      {
        std::string columnName = m_branchName;
        if (auto index = columnName.find ("AuxDyn."); index != std::string::npos)
          columnName.replace (index, 6, "");
        else if (auto index = columnName.find ("Aux."); index != std::string::npos)
          columnName.replace (index, 3, "");
        else if (columnName.find (".") != std::string::npos)
          throw std::runtime_error ("branch name does not contain AuxDyn or Aux: " + m_branchName);
        return columnName;
      }

connectTree()

template<typename T >

void columnar::TestUtils::BranchReaderArray< T >::connectTree ( TTree *  tree )

inline

Definition at line 310 of file ColumnarPhysliteTest.cxx.

      {
        m_branch = tree->GetBranch (m_branchName.c_str());
        if (!m_branch)
          throw std::runtime_error ("failed to get branch: " + m_branchName);
        m_branch->SetMakeClass (1);
        if (!m_dataVec.empty())
          m_branch->SetAddress (m_dataVec.data());
      }

containerName()

template<typename T >

std::string columnar::TestUtils::BranchReaderArray< T >::containerName ( ) const

inline

Definition at line 298 of file ColumnarPhysliteTest.cxx.

      {
        if (auto index = m_branchName.find ("AuxDyn."); index != std::string::npos)
          return m_branchName.substr (0, index);
        else if (auto index = m_branchName.find ("Aux."); index != std::string::npos)
          return m_branchName.substr (0, index);
        else if (m_branchName.find (".") == std::string::npos)
          return m_branchName;
        else
          throw std::runtime_error ("branch name does not contain AuxDyn or Aux: " + m_branchName);
      }

entrySize()

template<typename T >

std::optional<float> columnar::TestUtils::BranchReaderArray< T >::entrySize ( ) const

inline

Definition at line 334 of file ColumnarPhysliteTest.cxx.

      {
        if (!m_branch)
          return std::nullopt;
        return static_cast<float>(m_branch->GetZipBytes()) / m_branch->GetEntries();
      }

getEntry()

template<typename T >

std::span<const T> columnar::TestUtils::BranchReaderArray< T >::getEntry ( Long64_t  entry, std::size_t  size  )

inline

Definition at line 320 of file ColumnarPhysliteTest.cxx.

      {
        if (!m_branch)
          throw std::runtime_error ("branch not connected: " + m_branchName);
        if (m_dataVec.size() < size)
        {
          m_dataVec.resize (size);
          m_branch->SetAddress (m_dataVec.data());
        }
        if (size > 0 && m_branch->GetEntry (entry) <= 0)
          throw std::runtime_error ("failed to get entry " + std::to_string (entry) + " for branch: " + m_branchName);
        return std::span<const T>(m_dataVec.data(), size);
      }

numBaskets()

template<typename T >

std::optional<unsigned> columnar::TestUtils::BranchReaderArray< T >::numBaskets ( )

inline

Definition at line 350 of file ColumnarPhysliteTest.cxx.

      {
        if (!m_branch)
          return std::nullopt;
        return m_branch->GetListOfBaskets()->GetSize();
      }

operator=()

template<typename T >

BranchReaderArray& columnar::TestUtils::BranchReaderArray< T >::operator= ( const BranchReaderArray< T > &  )

delete

uncompressedSize()

template<typename T >

std::optional<float> columnar::TestUtils::BranchReaderArray< T >::uncompressedSize ( ) const

inline

Definition at line 341 of file ColumnarPhysliteTest.cxx.

      {
        if (!m_branch)
          return std::nullopt;
        return static_cast<float>(m_branch->GetTotBytes()) / m_branch->GetEntries();
      }

Member Data Documentation

m_branch

template<typename T >

TBranch* columnar::TestUtils::BranchReaderArray< T >::m_branch = nullptr

Definition at line 275 of file ColumnarPhysliteTest.cxx.

m_branchName

template<typename T >

std::string columnar::TestUtils::BranchReaderArray< T >::m_branchName

Definition at line 274 of file ColumnarPhysliteTest.cxx.

m_dataVec

template<typename T >

std::vector<T> columnar::TestUtils::BranchReaderArray< T >::m_dataVec

Definition at line 276 of file ColumnarPhysliteTest.cxx.

---

The documentation for this class was generated from the following file:

• ColumnarPhysliteTest.cxx