columnar::TestUtils::ColumnReaderScalar< T, Reader > Struct Template Reference

#include <ColumnReaderBranch.h>

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

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

Public Member Functions
	ColumnReaderScalar (const std::string &val_branchName)
virtual bool	connect (Backend source, std::unordered_map< std::string, const std::vector< ColumnarOffsetType > * > &, 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< T >	branchReader
Benchmark	benchmarkUnpack
Benchmark	benchmark
std::vector< T >	outData
unsigned	entries = 0
std::vector< OutputColumnInfo >	outputColumns

Detailed Description

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

Definition at line 277 of file ColumnReaderBranch.h.

Constructor & Destructor Documentation

ColumnReaderScalar()

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

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

inlineexplicit

Definition at line 285 of file ColumnReaderBranch.h.

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

Member Function Documentation

clearColumns()

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

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

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 303 of file ColumnReaderBranch.h.

      {
        outData.clear ();
      }

collectColumnData()

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

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

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 339 of file ColumnReaderBranch.h.

      {
        entries += outData.size();
      }

connect()

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

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

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 291 of file ColumnReaderBranch.h.

      {
        auto iter = requestedColumns.find (outputColumns.at(0).name);
        if (iter == requestedColumns.end())
          return false;
        outputColumns.at(0).enabled = true;
        requestedColumns.erase (iter);
 
        branchReader.connectTree (source);
 
        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::ColumnReaderScalar< T, Reader >::getEntry ( Long64_t entry )

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 308 of file ColumnReaderBranch.h.

      {
        benchmark.startTimer ();
        const auto& branchData = branchReader.getEntry (entry);
        benchmark.stopTimer ();
        benchmarkUnpack.startTimer ();
        outData.push_back (branchData);
        benchmarkUnpack.stopTimer ();
      }

getPerfData()

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

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

inlinenodiscardoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 324 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::ColumnReaderScalar< T, Reader >::setData ( ColumnVectorData & columnData )

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 318 of file ColumnReaderBranch.h.

      {
        if (outputColumns.at(0).columnIndex != ColumnVectorHeader::nullIndex)
          columnData.setColumn (outputColumns.at(0).columnIndex, outData.size(), outData.data());
      }

Member Data Documentation

benchmark

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

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

Definition at line 281 of file ColumnReaderBranch.h.

benchmarkUnpack

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

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

Definition at line 280 of file ColumnReaderBranch.h.

branchReader

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

Reader<T> columnar::TestUtils::ColumnReaderScalar< T, Reader >::branchReader

Definition at line 279 of file ColumnReaderBranch.h.

entries

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

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

Definition at line 283 of file ColumnReaderBranch.h.

outData

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

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

Definition at line 282 of file ColumnReaderBranch.h.

outputColumns

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

inherited

Definition at line 59 of file ColumnReader.h.

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

• ColumnReaderBranch.h