query_state::Event Struct Reference

#include <QueryState.h>

Public Member Functions
	Event (char const *const name, Events::iterator parent)
template<typename Units = std::chrono::milliseconds>
boost::optional< typename Units::rep >	duration () const
void	stop ()

Public Attributes
char const *const	name
Events::iterator const	parent
std::thread::id const	thread_id
Clock::duration const	started
std::atomic< Clock::duration >	stopped

Detailed Description

Definition at line 97 of file QueryState.h.

Constructor & Destructor Documentation

query_state::Event::Event	(	char const *const	name,
		Events::iterator	parent
	)

Definition at line 43 of file QueryState.cpp.

    : name(name)
    , parent(parent)
    , thread_id(std::this_thread::get_id())
    , started(Clock::now().time_since_epoch())
    , stopped(Clock::duration::zero()) {}

Member Function Documentation

template<typename Units = std::chrono::milliseconds>

boost::optional<typename Units::rep> query_state::Event::duration ( ) const

inline

Definition at line 106 of file QueryState.h.

References started, and stopped.

                                                    {
    auto const stop_time = stopped.load();
    return boost::make_optional(
        stop_time != Clock::duration::zero(),
        std::chrono::duration_cast<Units>(stop_time - started).count());
  }

void query_state::Event::stop

(

)

Definition at line 50 of file QueryState.cpp.

References CHECK, and stopped.

                 {
  CHECK(stopped.exchange(Clock::now().time_since_epoch()) == Clock::duration::zero())
      << "stop() called more than once.";
}

Member Data Documentation

char const* const query_state::Event::name

Definition at line 98 of file QueryState.h.

Events::iterator const query_state::Event::parent

Definition at line 99 of file QueryState.h.

Clock::duration const query_state::Event::started

Definition at line 101 of file QueryState.h.

Referenced by duration().

std::atomic<Clock::duration> query_state::Event::stopped

Definition at line 103 of file QueryState.h.

Referenced by duration(), and stop().

std::thread::id const query_state::Event::thread_id

Definition at line 100 of file QueryState.h.

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

• /home/jenkins-slave/workspace/core-os-doxygen/ThriftHandler/QueryState.h
• /home/jenkins-slave/workspace/core-os-doxygen/ThriftHandler/QueryState.cpp