columnar::TestUtils::ColumnReaderOutVector< T > Struct Template Reference

Inheritance diagram for columnar::TestUtils::ColumnReaderOutVector< T >:

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

Public Member Functions
	ColumnReaderOutVector (const std::string &val_columnName, const T &val_defaultValue)
virtual bool	connect (Backend, 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) override
virtual void	setData (ColumnVectorData &columnData) override
virtual BranchPerfData	getPerfData (float) 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
T	defaultValue
const std::vector< ColumnarOffsetType > *	offsetColumn = nullptr
std::vector< T >	outData
unsigned	entries = 0
std::vector< OutputColumnInfo >	outputColumns

Detailed Description

template<typename T>
struct columnar::TestUtils::ColumnReaderOutVector< T >

Definition at line 75 of file ColumnReaderImp.cxx.

Constructor & Destructor Documentation

ColumnReaderOutVector()

template<typename T>

columnar::TestUtils::ColumnReaderOutVector< T >::ColumnReaderOutVector ( const std::string & val_columnName, const T & val_defaultValue )

inline

Definition at line 82 of file ColumnReaderImp.cxx.

        : defaultValue (val_defaultValue)
      {
        outputColumns.push_back ({.name = val_columnName});
      }

Member Function Documentation

clearColumns()

template<typename T>

virtual void columnar::TestUtils::ColumnReaderOutVector< T >::clearColumns ( )

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 111 of file ColumnReaderImp.cxx.

      {
        outData.clear ();
      }

collectColumnData()

template<typename T>

virtual void columnar::TestUtils::ColumnReaderOutVector< T >::collectColumnData ( )

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 135 of file ColumnReaderImp.cxx.

      {
        entries += outData.size();
      }

connect()

template<typename T>

virtual bool columnar::TestUtils::ColumnReaderOutVector< T >::connect ( Backend , 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 88 of file ColumnReaderImp.cxx.

      {
        auto iter = requestedColumns.find (outputColumns.at(0).name);
        if (iter == requestedColumns.end())
          return false;
        outputColumns.at(0).enabled = true;
 
        const auto & offsetName = iter->second.offsetName;
        if (offsetName.empty())
          throw std::runtime_error ("missing offset column for: " + outputColumns.at(0).name);
 
        if (auto offsetIter = offsetColumns.find (offsetName); offsetIter != offsetColumns.end())
          offsetColumn = offsetIter->second;
        else
          throw std::runtime_error ("missing offset column for: " + outputColumns.at(0).name + " (offset column: " + offsetName + ")");
 
        // IMPORTANT: This has to be erased at the end of the function,
        // since erasing it earlier would invalidate the offsetName
        // reference.
        requestedColumns.erase (iter);
        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>

virtual void columnar::TestUtils::ColumnReaderOutVector< T >::getEntry ( Long64_t )

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 116 of file ColumnReaderImp.cxx.

      {
        outData.resize (offsetColumn->back(), defaultValue);
      }

getPerfData()

template<typename T>

virtual BranchPerfData columnar::TestUtils::ColumnReaderOutVector< T >::getPerfData ( float )

inlinenodiscardoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 127 of file ColumnReaderImp.cxx.

      {
        BranchPerfData result;
        result.name = outputColumns.at(0).name + "(out)";
        result.entries = entries;
        return result;
      }

setData()

template<typename T>

virtual void columnar::TestUtils::ColumnReaderOutVector< T >::setData ( ColumnVectorData & columnData )

inlineoverridevirtual

Implements columnar::TestUtils::ColumnReader.

Definition at line 121 of file ColumnReaderImp.cxx.

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

Member Data Documentation

defaultValue

template<typename T>

T columnar::TestUtils::ColumnReaderOutVector< T >::defaultValue

Definition at line 77 of file ColumnReaderImp.cxx.

entries

template<typename T>

unsigned columnar::TestUtils::ColumnReaderOutVector< T >::entries = 0

Definition at line 80 of file ColumnReaderImp.cxx.

offsetColumn

template<typename T>

const std::vector<ColumnarOffsetType>* columnar::TestUtils::ColumnReaderOutVector< T >::offsetColumn = nullptr

Definition at line 78 of file ColumnReaderImp.cxx.

outData

template<typename T>

std::vector<T> columnar::TestUtils::ColumnReaderOutVector< T >::outData

Definition at line 79 of file ColumnReaderImp.cxx.

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:

• ColumnReaderImp.cxx