scheduler-scoped-event-id.cpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#include "scheduler-scoped-event-id.hpp"

namespace ndn {
namespace util {
namespace scheduler {

#if NDN_CXX_HAVE_IS_NOTHROW_MOVE_CONSTRUCTIBLE
static_assert(std::is_nothrow_move_constructible<ScopedEventId>::value,
              "ScopedEventId must be MoveConstructible with noexcept");
#endif // NDN_CXX_HAVE_IS_NOTHROW_MOVE_CONSTRUCTIBLE

ScopedEventId::ScopedEventId(Scheduler& scheduler)
  : m_scheduler(&scheduler)
{
}

ScopedEventId::ScopedEventId(ScopedEventId&& other) noexcept
  : m_scheduler(other.m_scheduler)
  , m_event(other.m_event)
{
  other.release();
}

ScopedEventId&
ScopedEventId::operator=(const EventId& event)
{
  if (m_event != event) {
    m_scheduler->cancelEvent(m_event);
    m_event = event;
  }
  return *this;
}

ScopedEventId::~ScopedEventId()
{
  m_scheduler->cancelEvent(m_event);
}

void
ScopedEventId::cancel()
{
  m_scheduler->cancelEvent(m_event);
}

void
ScopedEventId::release()
{
  m_event.reset();
}

} // namespace scheduler
} // namespace util
} // namespace ndn