dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator Struct Reference

#include <IterableQueueModel.hpp>

Public Types
using	iterator_category = std::forward_iterator_tag
using	difference_type = std::ptrdiff_t
using	value_type = T
using	pointer = T*
using	reference = T&

Public Member Functions
	Iterator (IterableQueueModel< T > &queue, uint32_t index)
reference	operator* () const
pointer	operator-> ()
Iterator &	operator++ ()
Iterator	operator++ (int amount)
bool	good ()
uint32_t	get_index ()

Private Attributes
IterableQueueModel< T > &	m_queue
uint32_t	m_index

Friends
bool	operator== (const Iterator &a, const Iterator &b)
bool	operator!= (const Iterator &a, const Iterator &b)

Detailed Description

template<class T>
struct dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator

Definition at line 213 of file IterableQueueModel.hpp.

Member Typedef Documentation

difference_type

template<class T>

using dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::difference_type = std::ptrdiff_t

Definition at line 216 of file IterableQueueModel.hpp.

iterator_category

template<class T>

using dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::iterator_category = std::forward_iterator_tag

Definition at line 215 of file IterableQueueModel.hpp.

pointer

template<class T>

using dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::pointer = T*

Definition at line 218 of file IterableQueueModel.hpp.

reference

template<class T>

using dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::reference = T&

Definition at line 219 of file IterableQueueModel.hpp.

value_type

template<class T>

using dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::value_type = T

Definition at line 217 of file IterableQueueModel.hpp.

Constructor & Destructor Documentation

Iterator()

template<class T>

dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::Iterator ( IterableQueueModel< T > & queue, uint32_t index )

inline

Definition at line 221 of file IterableQueueModel.hpp.

      : m_queue(queue)
      , m_index(index)
    {
    }

Member Function Documentation

get_index()

template<class T>

uint32_t dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::get_index ( )

inline

Definition at line 263 of file IterableQueueModel.hpp.

{ return m_index; } // NOLINT(build/unsigned)

good()

template<class T>

bool dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::good ( )

inline

Definition at line 253 of file IterableQueueModel.hpp.

    {
      auto const currentRead = m_queue.readIndex_.load(std::memory_order_relaxed);
      auto const currentWrite = m_queue.writeIndex_.load(std::memory_order_relaxed);
      return (*this != m_queue.end()) &&
             ((m_index >= currentRead && m_index < currentWrite) ||
              (m_index >= currentRead && currentWrite < currentRead) ||
              (currentWrite < currentRead && m_index < currentRead && m_index < currentWrite));
    }

operator*()

template<class T>

reference dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::operator* ( ) const

inline

Definition at line 227 of file IterableQueueModel.hpp.

{ return m_queue.records_[m_index]; }

operator++() [1/2]

template<class T>

Iterator & dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::operator++ ( )

inline

Definition at line 229 of file IterableQueueModel.hpp.

    {
      if (good()) {
        m_index++;
        if (m_index == m_queue.size_) {
          m_index = 0;
        }
      }
      if (!good()) {
        m_index = std::numeric_limits<uint32_t>::max(); // NOLINT(build/unsigned)
      }
      return *this;
    }

operator++() [2/2]

template<class T>

Iterator dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::operator++ ( int amount )

inline

Definition at line 242 of file IterableQueueModel.hpp.

    {
      Iterator tmp = *this;
      for (int i = 0; i < amount; ++i) {
        ++(*this);
      }
      return tmp;
    }

operator->()

template<class T>

pointer dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::operator-> ( )

inline

Definition at line 228 of file IterableQueueModel.hpp.

{ return &m_queue.records_[m_index]; }

Friends And Related Symbol Documentation

operator!=

template<class T>

bool operator!= ( const Iterator & a, const Iterator & b )

friend

Definition at line 251 of file IterableQueueModel.hpp.

{ return a.m_index != b.m_index; }

operator==

template<class T>

bool operator== ( const Iterator & a, const Iterator & b )

friend

Definition at line 250 of file IterableQueueModel.hpp.

{ return a.m_index == b.m_index; }

Member Data Documentation

m_index

template<class T>

uint32_t dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::m_index

private

Definition at line 267 of file IterableQueueModel.hpp.

m_queue

template<class T>

IterableQueueModel<T>& dunedaq::datahandlinglibs::IterableQueueModel< T >::Iterator::m_queue

private

Definition at line 266 of file IterableQueueModel.hpp.

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

• /github/workspace/dunedaq/sourcecode/datahandlinglibs/include/datahandlinglibs/models/IterableQueueModel.hpp