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RelativeTime Class Reference

A relative measure of time. More...

List of all members.

Public Member Functions

 RelativeTime (double seconds=0.0) noexcept
 Creates a RelativeTime.
 RelativeTime (const RelativeTime &other) noexcept
 Copies another relative time.
RelativeTimeoperator= (const RelativeTime &other) noexcept
 Copies another relative time.
 ~RelativeTime () noexcept
 Destructor.
int64 inMilliseconds () const noexcept
 Returns the number of milliseconds this time represents.
double inSeconds () const noexcept
 Returns the number of seconds this time represents.
double inMinutes () const noexcept
 Returns the number of minutes this time represents.
double inHours () const noexcept
 Returns the number of hours this time represents.
double inDays () const noexcept
 Returns the number of days this time represents.
double inWeeks () const noexcept
 Returns the number of weeks this time represents.
String getDescription (const String &returnValueForZeroTime="0") const
 Returns a readable textual description of the time.
const RelativeTimeoperator+= (const RelativeTime &timeToAdd) noexcept
 Adds another RelativeTime to this one.
const RelativeTimeoperator-= (const RelativeTime &timeToSubtract) noexcept
 Subtracts another RelativeTime from this one.
const RelativeTimeoperator+= (double secondsToAdd) noexcept
 Adds a number of seconds to this time.
const RelativeTimeoperator-= (double secondsToSubtract) noexcept
 Subtracts a number of seconds from this time.

Static Public Member Functions

static const RelativeTime milliseconds (int milliseconds) noexcept
 Creates a new RelativeTime object representing a number of milliseconds.
static const RelativeTime milliseconds (int64 milliseconds) noexcept
 Creates a new RelativeTime object representing a number of milliseconds.
static const RelativeTime minutes (double numberOfMinutes) noexcept
 Creates a new RelativeTime object representing a number of minutes.
static const RelativeTime hours (double numberOfHours) noexcept
 Creates a new RelativeTime object representing a number of hours.
static const RelativeTime days (double numberOfDays) noexcept
 Creates a new RelativeTime object representing a number of days.
static const RelativeTime weeks (double numberOfWeeks) noexcept
 Creates a new RelativeTime object representing a number of weeks.

Detailed Description

A relative measure of time.

The time is stored as a number of seconds, at double-precision floating point accuracy, and may be positive or negative.

If you need an absolute time, (i.e. a date + time), see the Time class.


Constructor & Destructor Documentation

RelativeTime::RelativeTime ( double  seconds = 0.0) [explicit]

Creates a RelativeTime.

Parameters:
secondsthe number of seconds, which may be +ve or -ve.
See also:
milliseconds, minutes, hours, days, weeks

Copies another relative time.

Destructor.


Member Function Documentation

RelativeTime& RelativeTime::operator= ( const RelativeTime other)

Copies another relative time.

static const RelativeTime RelativeTime::milliseconds ( int  milliseconds) [static]

Creates a new RelativeTime object representing a number of milliseconds.

See also:
minutes, hours, days, weeks
static const RelativeTime RelativeTime::milliseconds ( int64  milliseconds) [static]

Creates a new RelativeTime object representing a number of milliseconds.

See also:
minutes, hours, days, weeks
static const RelativeTime RelativeTime::minutes ( double  numberOfMinutes) [static]

Creates a new RelativeTime object representing a number of minutes.

See also:
milliseconds, hours, days, weeks
static const RelativeTime RelativeTime::hours ( double  numberOfHours) [static]

Creates a new RelativeTime object representing a number of hours.

See also:
milliseconds, minutes, days, weeks
static const RelativeTime RelativeTime::days ( double  numberOfDays) [static]

Creates a new RelativeTime object representing a number of days.

See also:
milliseconds, minutes, hours, weeks
static const RelativeTime RelativeTime::weeks ( double  numberOfWeeks) [static]

Creates a new RelativeTime object representing a number of weeks.

See also:
milliseconds, minutes, hours, days

Returns the number of milliseconds this time represents.

See also:
milliseconds, inSeconds, inMinutes, inHours, inDays, inWeeks
double RelativeTime::inSeconds ( ) const

Returns the number of seconds this time represents.

See also:
inMilliseconds, inMinutes, inHours, inDays, inWeeks
double RelativeTime::inMinutes ( ) const

Returns the number of minutes this time represents.

See also:
inMilliseconds, inSeconds, inHours, inDays, inWeeks
double RelativeTime::inHours ( ) const

Returns the number of hours this time represents.

See also:
inMilliseconds, inSeconds, inMinutes, inDays, inWeeks
double RelativeTime::inDays ( ) const

Returns the number of days this time represents.

See also:
inMilliseconds, inSeconds, inMinutes, inHours, inWeeks
double RelativeTime::inWeeks ( ) const

Returns the number of weeks this time represents.

See also:
inMilliseconds, inSeconds, inMinutes, inHours, inDays
String RelativeTime::getDescription ( const String returnValueForZeroTime = "0") const

Returns a readable textual description of the time.

The exact format of the string returned will depend on the magnitude of the time - e.g.

"1 min 4 secs", "1 hr 45 mins", "2 weeks 5 days", "140 ms"

so that only the two most significant units are printed.

The returnValueForZeroTime value is the result that is returned if the length is zero. Depending on your application you might want to use this to return something more relevant like "empty" or "0 secs", etc.

See also:
inMilliseconds, inSeconds, inMinutes, inHours, inDays, inWeeks
const RelativeTime& RelativeTime::operator+= ( const RelativeTime timeToAdd)

Adds another RelativeTime to this one.

const RelativeTime& RelativeTime::operator-= ( const RelativeTime timeToSubtract)

Subtracts another RelativeTime from this one.

const RelativeTime& RelativeTime::operator+= ( double  secondsToAdd)

Adds a number of seconds to this time.

const RelativeTime& RelativeTime::operator-= ( double  secondsToSubtract)

Subtracts a number of seconds from this time.


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