columnar::ColumnDataArray Struct Reference

#include <ColumnarToolDataArray.h>

Collaboration diagram for columnar::ColumnDataArray:

Public Member Functions
	ColumnDataArray () noexcept=default
	standard constructor More...
	ColumnDataArray (ColumnDataArray &&other) noexcept
	standard move constructor More...
ColumnDataArray	operator= (ColumnDataArray &&other) noexcept=delete
	~ColumnDataArray () noexcept
	standard destructor More...
bool	empty () const noexcept
	whether this column has no associated accessors More...
const ColumnInfo &	info () const noexcept
	get the column info More...
void	addAccessor (const std::string &name, const ColumnInfo &val_info, ColumnAccessorDataArray *val_accessorData)
	add an info to the column More...
void	removeAccessor (ColumnAccessorDataArray &val_accessorData)
	remove an accessor data object More...
void	mergeData (const std::string &name, ColumnDataArray &&other)
	merge the data from another column More...
void	updateColumnRef (const std::string &from, const std::string &to)
	rename columns More...
void	setIndex (unsigned val_index) noexcept
	set the index for this column More...

Private Attributes
ColumnInfo	m_info
	the column info More...
std::vector< ColumnAccessorDataArray * >	m_accessors
	the data on all accessors for this column More...

Detailed Description

Definition at line 16 of file ColumnarToolDataArray.h.

Constructor & Destructor Documentation

ColumnDataArray() [1/2]

columnar::ColumnDataArray::ColumnDataArray ( )

defaultnoexcept

standard constructor

ColumnDataArray() [2/2]

columnar::ColumnDataArray::ColumnDataArray ( ColumnDataArray &&  other )

noexcept

standard move constructor

Definition at line 215 of file ColumnarToolArray.cxx.

    : m_info (std::move (other.m_info))
    , m_accessors (std::move (other.m_accessors))
  {
    for (auto *ptr : m_accessors)
    {
      if (ptr->dataRef == &other)
        ptr->dataRef = this;
    }
  }

~ColumnDataArray()

columnar::ColumnDataArray::~ColumnDataArray ( )

noexcept

standard destructor

Definition at line 229 of file ColumnarToolArray.cxx.

  {
    for (auto *ptr : m_accessors)
    {
      if (ptr->dataRef == this)
        ptr->dataRef = nullptr;
    }
  }

Member Function Documentation

addAccessor()

void columnar::ColumnDataArray::addAccessor	(	const std::string &	name,
		const ColumnInfo &	val_info,
		ColumnAccessorDataArray *	val_accessorData
	)

add an info to the column

Definition at line 257 of file ColumnarToolArray.cxx.

  {
    if (m_accessors.empty())
    {
      m_info = val_info;
 
      // ensure that any index is not zero.  zero is reserved for a
      // nullptr, so that if an index has never been initialized, we
      // get a segfault on access.
      m_info.index = 0;
    } else
    {
      if (val_info.type != m_info.type)
        throw std::runtime_error ("multiple types for column: " + name);
      if (m_info.accessMode == ColumnAccessMode::update || val_info.accessMode == ColumnAccessMode::update)
        m_info.accessMode = ColumnAccessMode::update;
      else if (m_info.accessMode == ColumnAccessMode::output || val_info.accessMode == ColumnAccessMode::output)
        m_info.accessMode = ColumnAccessMode::output;
      if (!val_info.isOptional)
        m_info.isOptional = false;
      if (val_info.offsetName != m_info.offsetName)
        throw std::runtime_error ("inconsistent offset map for column: " + name);
    }
 
    if (val_accessorData)
    {
      m_accessors.push_back (val_accessorData);
      val_accessorData->dataRef = this;
    }
  }

empty()

bool columnar::ColumnDataArray::empty ( ) const

noexcept

whether this column has no associated accessors

Definition at line 241 of file ColumnarToolArray.cxx.

  {
    return m_accessors.empty();
  }

info()

const ColumnInfo & columnar::ColumnDataArray::info ( ) const

noexcept

get the column info

Definition at line 249 of file ColumnarToolArray.cxx.

  {
    return m_info;
  }

mergeData()

void columnar::ColumnDataArray::mergeData	(	const std::string &	name,
		ColumnDataArray &&	other
	)

merge the data from another column

Definition at line 303 of file ColumnarToolArray.cxx.

  {
    addAccessor (name, other.m_info, nullptr);
    m_accessors.insert (m_accessors.end(), other.m_accessors.begin(), other.m_accessors.end());
    for (auto *ptr : other.m_accessors)
      ptr->dataRef = this;
    other.m_accessors.clear();
  }

operator=()

ColumnDataArray columnar::ColumnDataArray::operator= ( ColumnDataArray &&  other )

deletenoexcept

removeAccessor()

void columnar::ColumnDataArray::removeAccessor

(

ColumnAccessorDataArray &

val_accessorData

)

remove an accessor data object

Definition at line 291 of file ColumnarToolArray.cxx.

  {
    auto iter = std::find (m_accessors.begin(), m_accessors.end(), &val_accessorData);
    if (iter == m_accessors.end())
      return;
    m_accessors.erase (iter);
    val_accessorData.dataRef = nullptr;
  }

setIndex()

void columnar::ColumnDataArray::setIndex ( unsigned  val_index )

noexcept

set the index for this column

Definition at line 334 of file ColumnarToolArray.cxx.

  {
    m_info.index = index;
    for (auto *ptr : m_accessors)
      *ptr->dataIndexPtr = index;
  }

updateColumnRef()

void columnar::ColumnDataArray::updateColumnRef	(	const std::string &	from,
		const std::string &	to
	)

rename columns

Definition at line 315 of file ColumnarToolArray.cxx.

  {
    auto remapName = [&] (std::string& name)
    {
      if (name == from)
        name = to;
    };
 
    remapName (m_info.name);
    remapName (m_info.offsetName);
    remapName (m_info.replacesColumn);
    for (auto& linkTargetName : m_info.linkTargetNames)
      remapName (linkTargetName);
    remapName (m_info.variantLinkKeyColumn);
  }

Member Data Documentation

m_accessors

std::vector<ColumnAccessorDataArray*> columnar::ColumnDataArray::m_accessors

private

the data on all accessors for this column

Definition at line 56 of file ColumnarToolDataArray.h.

m_info

ColumnInfo columnar::ColumnDataArray::m_info

private

the column info

Definition at line 53 of file ColumnarToolDataArray.h.

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

• ColumnarToolDataArray.h
• ColumnarToolArray.cxx