evgen::details::TimeInUnits< Clock, Duration, typename > Class Template Reference

Inheritance diagram for evgen::details::TimeInUnits< Clock, Duration, typename >:

Classes
class	type

Public Types
using	duration_t = art::TimeValue_t
	Type of the time duration as returned by this class. More...

Public Member Functions
duration_t	operator() ()
	Reads and returns the current time the clock. More...

Static Public Member Functions
static duration_t	read_clock ()
	Reads and returns the current time the clock. More...
static duration_t	currentOffsetFromEpoch ()

Static Protected Member Functions
static constexpr duration_t	toDuration (TimeInterval dt)
	Converts a std::chrono::duration into our duration metric. More...
static constexpr auto	periodToDuration ()
	Returns the duration (duration_t) of a period type. More...
static duration_t	timeFromEpoch (TimePoint t)
	Returns the time elapsed from the epoch to t. More...

Detailed Description

template<typename Clock, typename Duration, typename = void>
class evgen::details::TimeInUnits< Clock, Duration, typename >

Class reading a clock and converting the value to a specific unit; if the unit is more precise than the clock, random padding fills the gap

Definition at line 248 of file GeneratedEventTimestamp_plugin.cc.

Member Typedef Documentation

using evgen::details::TimeInUnitsBase< Clock, Duration >::duration_t = art::TimeValue_t

inherited

Type of the time duration as returned by this class.

Definition at line 114 of file GeneratedEventTimestamp_plugin.cc.

Member Function Documentation

static duration_t evgen::details::TimeInUnitsBase< Clock, Duration >::currentOffsetFromEpoch ( )

staticinherited

Computes an approximation of the offset of the current time from the epoch.

duration_t evgen::details::TimeInUnitsBase< Clock, Duration >::operator() ( )

inlineinherited

Reads and returns the current time the clock.

Definition at line 117 of file GeneratedEventTimestamp_plugin.cc.

{ return read_clock(); }

static constexpr auto evgen::details::TimeInUnitsBase< Clock, Duration >::periodToDuration ( )

inlinestaticprotectedinherited

Returns the duration (duration_t) of a period type.

Definition at line 138 of file GeneratedEventTimestamp_plugin.cc.

        { return toDuration(std::chrono::duration<Rep, Period>(1)); }

static duration_t evgen::details::TimeInUnitsBase< Clock, Duration >::read_clock ( )

inlinestaticinherited

Reads and returns the current time the clock.

Definition at line 120 of file GeneratedEventTimestamp_plugin.cc.

{ return timeFromEpoch(Clock::now()); }

static duration_t evgen::details::TimeInUnitsBase< Clock, Duration >::timeFromEpoch ( TimePoint  t )

inlinestaticprotectedinherited

Returns the time elapsed from the epoch to t.

Definition at line 143 of file GeneratedEventTimestamp_plugin.cc.

        { return toDuration(t.time_since_epoch()); }

static constexpr duration_t evgen::details::TimeInUnitsBase< Clock, Duration >::toDuration ( TimeInterval  dt )

inlinestaticprotectedinherited

Converts a std::chrono::duration into our duration metric.

Definition at line 130 of file GeneratedEventTimestamp_plugin.cc.

        {
          return static_cast<duration_t>
            (std::chrono::duration_cast<Unit>(dt).count());
        }

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

• nutools/EventGeneratorBase/GeneratedEventTimestamp_plugin.cc