ROOT::Experimental::Detail::RColumnElementBase Class Reference

Definition at line 138 of file RColumnElement.hxx.

Public Member Functions
	RColumnElementBase ()
	RColumnElementBase (const RColumnElementBase &elemArray, std::size_t at)
	RColumnElementBase (const RColumnElementBase &other)=default
	RColumnElementBase (RColumnElementBase &&other)=default
	RColumnElementBase (void *rawContent, std::size_t size)
virtual	~RColumnElementBase ()=default
virtual std::size_t	GetBitsOnStorage () const
std::size_t	GetPackedSize (std::size_t nElements) const
void *	GetRawContent () const
std::size_t	GetSize () const
virtual bool	IsMappable () const
	Derived, typed classes tell whether the on-storage layout is bitwise identical to the memory layout. More...
RColumnElementBase &	operator= (const RColumnElementBase &other)=delete
RColumnElementBase &	operator= (RColumnElementBase &&other)=default
virtual void	Pack (void *destination, void *source, std::size_t count) const
	If the on-storage layout and the in-memory layout differ, packing creates an on-disk page from an in-memory page. More...
void	ReadFrom (void *source, std::size_t count)
	Set the column element or an array of elements from the memory location source. More...
virtual void	Unpack (void *destination, void *source, std::size_t count) const
	If the on-storage layout and the in-memory layout differ, unpacking creates a memory page from an on-storage page. More...
void	WriteTo (void *destination, std::size_t count) const
	Write one or multiple column elements into destination. More...

Static Public Member Functions
template<typename CppT = void>
static std::unique_ptr< RColumnElementBase >	Generate (EColumnType type)
	If CppT == void, use the default C++ type for the given column type. More...
template<>
std::unique_ptr< RColumnElementBase >	Generate (EColumnType type)
template<>
std::unique_ptr< ROOT::Experimental::Detail::RColumnElementBase >	Generate (EColumnType type)
static std::size_t	GetBitsOnStorage (EColumnType type)
static std::string	GetTypeName (EColumnType type)

Protected Attributes
void *	fRawContent
	Points to valid C++ data, either a single value or an array of values. More...
std::size_t	fSize
	Size of the C++ value pointed to by fRawContent (not necessarily equal to the on-disk element size) More...

#include <ROOT/RColumnElement.hxx>

Inheritance diagram for ROOT::Experimental::Detail::RColumnElementBase:

Constructor & Destructor Documentation

RColumnElementBase() [1/5]

ROOT::Experimental::Detail::RColumnElementBase::RColumnElementBase ( )

inline

Definition at line 146 of file RColumnElement.hxx.

RColumnElementBase() [2/5]

ROOT::Experimental::Detail::RColumnElementBase::RColumnElementBase ( void *  rawContent, std::size_t  size  )

inline

Definition at line 150 of file RColumnElement.hxx.

RColumnElementBase() [3/5]

ROOT::Experimental::Detail::RColumnElementBase::RColumnElementBase ( const RColumnElementBase &  elemArray, std::size_t  at  )

inline

Definition at line 152 of file RColumnElement.hxx.

RColumnElementBase() [4/5]

ROOT::Experimental::Detail::RColumnElementBase::RColumnElementBase ( const RColumnElementBase &  other )

default

RColumnElementBase() [5/5]

ROOT::Experimental::Detail::RColumnElementBase::RColumnElementBase ( RColumnElementBase &&  other )

default

~RColumnElementBase()

virtual ROOT::Experimental::Detail::RColumnElementBase::~RColumnElementBase ( )

virtualdefault

Member Function Documentation

Generate() [1/3]

template<typename CppT >

std::unique_ptr< RColumnElementBase > ROOT::Experimental::Detail::RColumnElementBase::Generate ( EColumnType  type )

static

If CppT == void, use the default C++ type for the given column type.

Definition at line 575 of file RColumnElement.hxx.

Generate() [2/3]

template<>

std::unique_ptr< RColumnElementBase > ROOT::Experimental::Detail::RColumnElementBase::Generate ( EColumnType  type )

static

Generate() [3/3]

template<>

template std::unique_ptr< ROOT::Experimental::Detail::RColumnElementBase > ROOT::Experimental::Detail::RColumnElementBase::Generate< void > ( EColumnType  type )

static

Definition at line 1 of file RColumnElement.cxx.

GetBitsOnStorage() [1/2]

virtual std::size_t ROOT::Experimental::Detail::RColumnElementBase::GetBitsOnStorage ( ) const

inlinevirtual

Reimplemented in ROOT::Experimental::Detail::RColumnElement< float, EColumnType::kReal32 >, ROOT::Experimental::Detail::RColumnElement< double, EColumnType::kReal64 >, ROOT::Experimental::Detail::RColumnElement< double, EColumnType::kSplitReal64 >, ROOT::Experimental::Detail::RColumnElement< ClusterSize_t, EColumnType::kIndex >, ROOT::Experimental::Detail::RColumnElement< RColumnSwitch, EColumnType::kSwitch >, ROOT::Experimental::Detail::RColumnElement< char, EColumnType::kByte >, ROOT::Experimental::Detail::RColumnElement< char, EColumnType::kChar >, and ROOT::Experimental::Detail::RColumnElement< bool, EColumnType::kBit >.

Definition at line 180 of file RColumnElement.hxx.

GetBitsOnStorage() [2/2]

std::size_t ROOT::Experimental::Detail::RColumnElementBase::GetBitsOnStorage ( EColumnType  type )

static

Definition at line 64 of file RColumnElement.cxx.

GetPackedSize()

std::size_t ROOT::Experimental::Detail::RColumnElementBase::GetPackedSize ( std::size_t  nElements ) const

inline

Definition at line 196 of file RColumnElement.hxx.

GetRawContent()

void * ROOT::Experimental::Detail::RColumnElementBase::GetRawContent ( ) const

inline

Definition at line 194 of file RColumnElement.hxx.

GetSize()

std::size_t ROOT::Experimental::Detail::RColumnElementBase::GetSize ( ) const

inline

Definition at line 195 of file RColumnElement.hxx.

GetTypeName()

std::string ROOT::Experimental::Detail::RColumnElementBase::GetTypeName ( EColumnType  type )

static

Definition at line 96 of file RColumnElement.cxx.

IsMappable()

virtual bool ROOT::Experimental::Detail::RColumnElementBase::IsMappable ( ) const

inlinevirtual

Derived, typed classes tell whether the on-storage layout is bitwise identical to the memory layout.

Reimplemented in ROOT::Experimental::Detail::RColumnElement< float, EColumnType::kReal32 >, ROOT::Experimental::Detail::RColumnElement< double, EColumnType::kReal64 >, ROOT::Experimental::Detail::RColumnElement< double, EColumnType::kSplitReal64 >, ROOT::Experimental::Detail::RColumnElement< ClusterSize_t, EColumnType::kIndex >, ROOT::Experimental::Detail::RColumnElement< RColumnSwitch, EColumnType::kSwitch >, ROOT::Experimental::Detail::RColumnElement< char, EColumnType::kByte >, ROOT::Experimental::Detail::RColumnElement< char, EColumnType::kChar >, and ROOT::Experimental::Detail::RColumnElement< bool, EColumnType::kBit >.

Definition at line 179 of file RColumnElement.hxx.

operator=() [1/2]

RColumnElementBase & ROOT::Experimental::Detail::RColumnElementBase::operator= ( const RColumnElementBase &  other )

delete

operator=() [2/2]

RColumnElementBase & ROOT::Experimental::Detail::RColumnElementBase::operator= ( RColumnElementBase &&  other )

default

Pack()

virtual void ROOT::Experimental::Detail::RColumnElementBase::Pack ( void *  destination, void *  source, std::size_t  count  ) const

inlinevirtual

If the on-storage layout and the in-memory layout differ, packing creates an on-disk page from an in-memory page.

Reimplemented in ROOT::Experimental::Detail::RColumnElementLE< CppT >, ROOT::Experimental::Detail::RColumnElementLE< ClusterSize_t::ValueType >, ROOT::Experimental::Detail::RColumnElementLE< double >, ROOT::Experimental::Detail::RColumnElementLE< float >, ROOT::Experimental::Detail::RColumnElementLE< std::int16_t >, ROOT::Experimental::Detail::RColumnElementLE< std::int32_t >, ROOT::Experimental::Detail::RColumnElementLE< std::int64_t >, ROOT::Experimental::Detail::RColumnElementLE< std::uint16_t >, ROOT::Experimental::Detail::RColumnElementLE< std::uint32_t >, ROOT::Experimental::Detail::RColumnElementLE< std::uint64_t >, ROOT::Experimental::Detail::RColumnElementSplitLE< CppT >, ROOT::Experimental::Detail::RColumnElementSplitLE< double >, ROOT::Experimental::Detail::RColumnElement< RColumnSwitch, EColumnType::kSwitch >, and ROOT::Experimental::Detail::RColumnElement< bool, EColumnType::kBit >.

Definition at line 183 of file RColumnElement.hxx.

ReadFrom()

void ROOT::Experimental::Detail::RColumnElementBase::ReadFrom ( void *  source, std::size_t  count  )

inline

Set the column element or an array of elements from the memory location source.

Definition at line 174 of file RColumnElement.hxx.

Unpack()

virtual void ROOT::Experimental::Detail::RColumnElementBase::Unpack ( void *  destination, void *  source, std::size_t  count  ) const

inlinevirtual

If the on-storage layout and the in-memory layout differ, unpacking creates a memory page from an on-storage page.

Reimplemented in ROOT::Experimental::Detail::RColumnElementLE< CppT >, ROOT::Experimental::Detail::RColumnElementLE< ClusterSize_t::ValueType >, ROOT::Experimental::Detail::RColumnElementLE< double >, ROOT::Experimental::Detail::RColumnElementLE< float >, ROOT::Experimental::Detail::RColumnElementLE< std::int16_t >, ROOT::Experimental::Detail::RColumnElementLE< std::int32_t >, ROOT::Experimental::Detail::RColumnElementLE< std::int64_t >, ROOT::Experimental::Detail::RColumnElementLE< std::uint16_t >, ROOT::Experimental::Detail::RColumnElementLE< std::uint32_t >, ROOT::Experimental::Detail::RColumnElementLE< std::uint64_t >, ROOT::Experimental::Detail::RColumnElementSplitLE< CppT >, ROOT::Experimental::Detail::RColumnElementSplitLE< double >, ROOT::Experimental::Detail::RColumnElement< RColumnSwitch, EColumnType::kSwitch >, and ROOT::Experimental::Detail::RColumnElement< bool, EColumnType::kBit >.

Definition at line 189 of file RColumnElement.hxx.

WriteTo()

void ROOT::Experimental::Detail::RColumnElementBase::WriteTo ( void *  destination, std::size_t  count  ) const

inline

Write one or multiple column elements into destination.

Definition at line 169 of file RColumnElement.hxx.

Member Data Documentation

fRawContent

void* ROOT::Experimental::Detail::RColumnElementBase::fRawContent

protected

Points to valid C++ data, either a single value or an array of values.

Definition at line 141 of file RColumnElement.hxx.

fSize

std::size_t ROOT::Experimental::Detail::RColumnElementBase::fSize

protected

Size of the C++ value pointed to by fRawContent (not necessarily equal to the on-disk element size)

Definition at line 143 of file RColumnElement.hxx.

Libraries for ROOT::Experimental::Detail::RColumnElementBase:

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