ROOT   Reference Guide
ROOT::Experimental::REntry Class Reference

The REntry is a collection of values in an ntuple corresponding to a complete row in the data set.

The entry provides a memory-managed binder for a set of values. Through shared pointers, the memory locations that are associated to values are managed.

Definition at line 42 of file REntry.hxx.

Public Types

using Iterator_t = decltype(fValues)::iterator

Public Member Functions

REntry ()=default

REntry (const REntry &other)=delete

~REntry ()

Adds a value whose storage is managed by the entry. More...

template<typename T , typename... ArgsT>
std::shared_ptr< T > AddValue (RField< T > *field, ArgsT &&... args)
While building the entry, adds a new value to the list and return the value's shared pointer. More...

Iterator_t begin ()

void CaptureValue (const Detail::RFieldValue &value)
Adds a value whose storage is not managed by the entry. More...

Iterator_t end ()

template<typename T >
T * Get (std::string_view fieldName)

Detail::RFieldValue GetValue (std::string_view fieldName)

REntryoperator= (const REntry &other)=delete

Private Attributes

std::vector< std::size_t > fManagedValues
Points into fValues and indicates the values that are owned by the entry and need to be destructed. More...

std::vector< std::shared_ptr< void > > fValuePtrs
The objects involed in serialization and deserialization might be used long after the entry is gone: hence the shared pointer. More...

std::vector< Detail::RFieldValuefValues

#include <ROOT/REntry.hxx>

◆ Iterator_t

 using ROOT::Experimental::REntry::Iterator_t = decltype(fValues)::iterator

Definition at line 51 of file REntry.hxx.

◆ REntry() [1/2]

 ROOT::Experimental::REntry::REntry ( )
default

◆ REntry() [2/2]

 ROOT::Experimental::REntry::REntry ( const REntry & other )
delete

◆ ~REntry()

 ROOT::Experimental::REntry::~REntry ( )

Definition at line 19 of file REntry.cxx.

Member Function Documentation

 void ROOT::Experimental::REntry::AddValue ( const Detail::RFieldValue & value )

Adds a value whose storage is managed by the entry.

Definition at line 26 of file REntry.cxx.

template<typename T , typename... ArgsT>
 std::shared_ptr ROOT::Experimental::REntry::AddValue ( RField< T > * field, ArgsT &&... args )
inline

While building the entry, adds a new value to the list and return the value's shared pointer.

Definition at line 66 of file REntry.hxx.

◆ begin()

 Iterator_t ROOT::Experimental::REntry::begin ( )
inline

Definition at line 92 of file REntry.hxx.

◆ CaptureValue()

 void ROOT::Experimental::REntry::CaptureValue ( const Detail::RFieldValue & value )

Adds a value whose storage is not managed by the entry.

Definition at line 32 of file REntry.cxx.

◆ end()

 Iterator_t ROOT::Experimental::REntry::end ( )
inline

Definition at line 93 of file REntry.hxx.

◆ Get()

template<typename T >
 T* ROOT::Experimental::REntry::Get ( std::string_view fieldName )
inline

Definition at line 82 of file REntry.hxx.

◆ GetValue()

 Detail::RFieldValue ROOT::Experimental::REntry::GetValue ( std::string_view fieldName )
inline

Definition at line 73 of file REntry.hxx.

◆ operator=()

 REntry& ROOT::Experimental::REntry::operator= ( const REntry & other )
delete

◆ fManagedValues

 std::vector ROOT::Experimental::REntry::fManagedValues
private

Points into fValues and indicates the values that are owned by the entry and need to be destructed.

Definition at line 48 of file REntry.hxx.

◆ fValuePtrs

 std::vector > ROOT::Experimental::REntry::fValuePtrs
private

The objects involed in serialization and deserialization might be used long after the entry is gone: hence the shared pointer.

Definition at line 46 of file REntry.hxx.

◆ fValues

 std::vector ROOT::Experimental::REntry::fValues
private

Definition at line 43 of file REntry.hxx.

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