art::Timestamp Class Reference

#include <Timestamp.h>

Public Member Functions
constexpr	Timestamp (TimeValue_t const iValue)
constexpr	Timestamp ()
constexpr TimeValue_t	value () const
constexpr std::uint32_t	timeLow () const
constexpr std::uint32_t	timeHigh () const
constexpr bool	operator== (Timestamp const &iRHS) const
constexpr bool	operator!= (Timestamp const &iRHS) const
constexpr bool	operator< (Timestamp const &iRHS) const
constexpr bool	operator<= (Timestamp const &iRHS) const
constexpr bool	operator> (Timestamp const &iRHS) const
constexpr bool	operator>= (Timestamp const &iRHS) const

Static Public Member Functions
static constexpr Timestamp	invalidTimestamp ()
static constexpr Timestamp	endOfTime ()
static constexpr Timestamp	beginOfTime ()

Static Private Member Functions
static constexpr TimeValue_t	lowMask ()

Private Attributes
std::uint32_t	timeLow_
std::uint32_t	timeHigh_

Detailed Description

Definition at line 10 of file Timestamp.h.

Constructor & Destructor Documentation

constexpr art::Timestamp::Timestamp ( TimeValue_t const  iValue )

inline

Definition at line 12 of file Timestamp.h.

      : timeLow_{static_cast<std::uint32_t>(lowMask() & iValue)}
      , timeHigh_{static_cast<std::uint32_t>(iValue >> 32)}
    {}

constexpr art::Timestamp::Timestamp ( )

inline

Definition at line 17 of file Timestamp.h.

      : timeLow_{invalidTimestamp().timeLow_}
      , timeHigh_{invalidTimestamp().timeHigh_}
    {}

Member Function Documentation

static constexpr Timestamp art::Timestamp::beginOfTime ( )

inlinestatic

Definition at line 92 of file Timestamp.h.

    {
      return Timestamp{1};
    }

static constexpr Timestamp art::Timestamp::endOfTime ( )

inlinestatic

Definition at line 87 of file Timestamp.h.

    {
      return Timestamp{-1ull};
    }

static constexpr Timestamp art::Timestamp::invalidTimestamp ( )

inlinestatic

Definition at line 82 of file Timestamp.h.

    {
      return Timestamp{0};
    }

static constexpr TimeValue_t art::Timestamp::lowMask ( )

inlinestaticprivate

Definition at line 102 of file Timestamp.h.

    {
      return 0xFFFFFFFF;
    }

constexpr bool art::Timestamp::operator!= ( Timestamp const &  iRHS ) const

inline

Definition at line 47 of file Timestamp.h.

    {
      return !(*this == iRHS);
    }

constexpr bool art::Timestamp::operator< ( Timestamp const &  iRHS ) const

inline

Definition at line 53 of file Timestamp.h.

    {
      return timeHigh_ == iRHS.timeHigh_ ? timeLow_ < iRHS.timeLow_ :
                                           timeHigh_ < iRHS.timeHigh_;
    }

constexpr bool art::Timestamp::operator<= ( Timestamp const &  iRHS ) const

inline

Definition at line 60 of file Timestamp.h.

    {
      return timeHigh_ == iRHS.timeHigh_ ? timeLow_ <= iRHS.timeLow_ :
                                           timeHigh_ <= iRHS.timeHigh_;
    }

constexpr bool art::Timestamp::operator== ( Timestamp const &  iRHS ) const

inline

Definition at line 41 of file Timestamp.h.

    {
      return timeHigh_ == iRHS.timeHigh_ && timeLow_ == iRHS.timeLow_;
    }

constexpr bool art::Timestamp::operator> ( Timestamp const &  iRHS ) const

inline

Definition at line 67 of file Timestamp.h.

    {
      return timeHigh_ == iRHS.timeHigh_ ? timeLow_ > iRHS.timeLow_ :
                                           timeHigh_ > iRHS.timeHigh_;
    }

constexpr bool art::Timestamp::operator>= ( Timestamp const &  iRHS ) const

inline

Definition at line 74 of file Timestamp.h.

    {
      return timeHigh_ == iRHS.timeHigh_ ? timeLow_ >= iRHS.timeLow_ :
                                           timeHigh_ >= iRHS.timeHigh_;
    }

constexpr std::uint32_t art::Timestamp::timeHigh ( ) const

inline

Definition at line 34 of file Timestamp.h.

    {
      return timeHigh_;
    }

constexpr std::uint32_t art::Timestamp::timeLow ( ) const

inline

Definition at line 29 of file Timestamp.h.

    {
      return timeLow_;
    }

constexpr TimeValue_t art::Timestamp::value ( ) const

inline

Definition at line 23 of file Timestamp.h.

    {
      return (static_cast<std::uint64_t>(timeHigh_) << 32) | timeLow_;
    }

Member Data Documentation

std::uint32_t art::Timestamp::timeHigh_

private

Definition at line 99 of file Timestamp.h.

std::uint32_t art::Timestamp::timeLow_

private

Definition at line 98 of file Timestamp.h.

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

• canvas/canvas/Persistency/Provenance/Timestamp.h