#include <ColumnReaderBranch.h>

Inheritance diagram for columnar::TestUtils::ColumnReaderVector< T, Reader >:

Collaboration diagram for columnar::TestUtils::ColumnReaderVector< T, Reader >:

Public Member Functions
	ColumnReaderVector (const std::string &val_branchName)
virtual bool	connect (Backend source, std::unordered_map< std::string, const std::vector< ColumnarOffsetType > * > &offsetColumns, std::unordered_map< std::string, ColumnInfo > &requestedColumns) override
virtual void	clearColumns () override
virtual void	getEntry (Long64_t entry) override
virtual void	setData (ColumnVectorData &columnData) override
virtual BranchPerfData	getPerfData (float emptyTime) override
virtual void	collectColumnData () override
void	connectColumnIndices (const ColumnVectorHeader &header)
	lookup and store column indices from the header for all enabled output columns

Public Attributes
Reader< std::vector< T > >	branchReader
const std::vector< ColumnarOffsetType > *	offsetColumn = nullptr
std::vector< ColumnarOffsetType >	offsets = {0}
std::vector< T >	outData
Benchmark	benchmarkUnpack
Benchmark	benchmark
unsigned	entries = 0
std::vector< OutputColumnInfo >	outputColumns

Detailed Description

template<typename T, template< typename > class Reader>
struct columnar::TestUtils::ColumnReaderVector< T, Reader >

Definition at line 346 of file ColumnReaderBranch.h.

Constructor & Destructor Documentation

◆ ColumnReaderVector()

template<typename T, template< typename > class Reader>

columnar::TestUtils::ColumnReaderVector< T, Reader >::ColumnReaderVector ( const std::string & val_branchName )

inlineexplicit

Definition at line 356 of file ColumnReaderBranch.h.

        : branchReader (val_branchName), benchmarkUnpack (branchReader.columnName()+"(unpack)"), benchmark (branchReader.columnName())
      {
        outputColumns.push_back ({.name = branchReader.columnName()});
        outputColumns.push_back ({.name = branchReader.containerName(), .isOffset = true, .primary = false});
      }

Member Function Documentation

◆ clearColumns()

template<typename T, template< typename > class Reader>

virtual void columnar::TestUtils::ColumnReaderVector< T, Reader >::clearColumns ( )

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 392 of file ColumnReaderBranch.h.

      {
        offsets.clear ();
        offsets.push_back (0);
        outData.clear ();
      }

◆ collectColumnData()

template<typename T, template< typename > class Reader>

virtual void columnar::TestUtils::ColumnReaderVector< T, Reader >::collectColumnData ( )

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 440 of file ColumnReaderBranch.h.

      {
        entries += outData.size();
      }

◆ connect()

template<typename T, template< typename > class Reader>

virtual bool columnar::TestUtils::ColumnReaderVector< T, Reader >::connect	(	Backend	source,
		std::unordered_map< std::string, const std::vector< ColumnarOffsetType > * > &	offsetColumns,
		std::unordered_map< std::string, ColumnInfo > &	requestedColumns )

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 363 of file ColumnReaderBranch.h.

      {
        auto iter = requestedColumns.find (outputColumns.at(0).name);
        if (iter == requestedColumns.end())
          return false;
        outputColumns.at(0).enabled = true;
 
        branchReader.connectTree(source);
 
        if (iter->second.offsetName != outputColumns.at(1).name)
          throw std::runtime_error ("offset name mismatch: " + iter->second.offsetName + " != " + outputColumns.at(1).name);
 
        requestedColumns.erase (iter);
 
        if (auto offsetIter = offsetColumns.find (outputColumns.at(1).name); offsetIter != offsetColumns.end())
          offsetColumn = offsetIter->second;
        else
          offsetColumns.emplace (outputColumns.at(1).name, &offsets);
 
        iter = requestedColumns.find (outputColumns.at(1).name);
        if (iter != requestedColumns.end())
        {
          requestedColumns.erase (iter);
          outputColumns.at(1).enabled = true;
        }
 
        return true;
      }

◆ connectColumnIndices()

void columnar::TestUtils::ColumnReader::connectColumnIndices ( const ColumnVectorHeader & header )

inlineinherited

lookup and store column indices from the header for all enabled output columns

Definition at line 66 of file ColumnReader.h.

      {
        for (auto& col : outputColumns)
        {
          if (col.enabled)
            col.columnIndex = header.getColumnIndex (col.name);
        }
      }

◆ getEntry()

template<typename T, template< typename > class Reader>

virtual void columnar::TestUtils::ColumnReaderVector< T, Reader >::getEntry ( Long64_t entry )

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 399 of file ColumnReaderBranch.h.

      {
        benchmark.startTimer ();
        const auto& branchData = branchReader.getEntry (entry);
        benchmark.stopTimer ();
        benchmarkUnpack.startTimer ();
        outData.insert (outData.end(), branchData.begin(), branchData.end());
        offsets.push_back (outData.size());
        benchmarkUnpack.stopTimer ();
      }

◆ getPerfData()

template<typename T, template< typename > class Reader>

virtual BranchPerfData columnar::TestUtils::ColumnReaderVector< T, Reader >::getPerfData ( float emptyTime )

inlinenodiscardoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 425 of file ColumnReaderBranch.h.

      {
        BranchPerfData result;
        result.name = branchReader.columnName();
        result.timeRead = benchmark.getEntryTime(emptyTime);
        result.timeUnpack = benchmarkUnpack.getEntryTime(emptyTime);
        benchmark.setSilence();
        benchmarkUnpack.setSilence();
        result.entrySize = branchReader.entrySize();
        result.uncompressedSize = branchReader.uncompressedSize();
        result.numBaskets = branchReader.numBaskets();
        result.entries = entries;
        return result;
      }

◆ setData()

template<typename T, template< typename > class Reader>

virtual void columnar::TestUtils::ColumnReaderVector< T, Reader >::setData ( ColumnVectorData & columnData )

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 410 of file ColumnReaderBranch.h.

      {
        if (outputColumns.at(0).columnIndex != ColumnVectorHeader::nullIndex)
          columnData.setColumn (outputColumns.at(0).columnIndex, outData.size(), outData.data());
        if (outputColumns.at(1).columnIndex != ColumnVectorHeader::nullIndex)
          columnData.setColumn (outputColumns.at(1).columnIndex, offsets.size(), offsets.data());
        if (offsetColumn)
        {
          if (offsetColumn->size() != offsets.size())
            throw std::runtime_error ("offset column not filled yet: " + outputColumns.at(1).name);
          if (offsetColumn->back() != offsets.back())
            throw std::runtime_error ("offset column does not match: " + outputColumns.at(1).name);
        }
      }

Member Data Documentation

◆ benchmark

template<typename T, template< typename > class Reader>

Benchmark columnar::TestUtils::ColumnReaderVector< T, Reader >::benchmark

Definition at line 353 of file ColumnReaderBranch.h.

◆ benchmarkUnpack

template<typename T, template< typename > class Reader>

Benchmark columnar::TestUtils::ColumnReaderVector< T, Reader >::benchmarkUnpack

Definition at line 352 of file ColumnReaderBranch.h.

◆ branchReader

template<typename T, template< typename > class Reader>

Reader<std::vector<T> > columnar::TestUtils::ColumnReaderVector< T, Reader >::branchReader

Definition at line 348 of file ColumnReaderBranch.h.

◆ entries

template<typename T, template< typename > class Reader>

unsigned columnar::TestUtils::ColumnReaderVector< T, Reader >::entries = 0

Definition at line 354 of file ColumnReaderBranch.h.

◆ offsetColumn

template<typename T, template< typename > class Reader>

const std::vector<ColumnarOffsetType>* columnar::TestUtils::ColumnReaderVector< T, Reader >::offsetColumn = nullptr

Definition at line 349 of file ColumnReaderBranch.h.

◆ offsets

template<typename T, template< typename > class Reader>

std::vector<ColumnarOffsetType> columnar::TestUtils::ColumnReaderVector< T, Reader >::offsets = {0}

Definition at line 350 of file ColumnReaderBranch.h.

350{0};

◆ outData

template<typename T, template< typename > class Reader>

std::vector<T> columnar::TestUtils::ColumnReaderVector< T, Reader >::outData

Definition at line 351 of file ColumnReaderBranch.h.

◆ outputColumns

std::vector<OutputColumnInfo> columnar::TestUtils::ColumnReader::outputColumns

inherited

Definition at line 59 of file ColumnReader.h.

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

ColumnReaderBranch.h

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ ColumnReaderVector()

Member Function Documentation

◆ clearColumns()

◆ collectColumnData()

◆ connect()

◆ connectColumnIndices()

◆ getEntry()

◆ getPerfData()

◆ setData()

Member Data Documentation

◆ benchmark

◆ benchmarkUnpack

◆ branchReader

◆ entries

◆ offsetColumn

◆ offsets

◆ outData

◆ outputColumns