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Scala 3/scala/scala.concurrent/scala.concurrent.duration/Duration

Duration

scala.concurrent.duration.Duration$
See theDuration companion class
object Duration

Attributes

Companion
class
Source
Duration.scala
Graph
Supertypes
class Object
trait Matchable
class Any
Self type
Duration.type

Members list

Type members

Classlikes

object DurationIsOrdered extends Ordering[Duration]

The natural ordering of durations matches the natural ordering for Double, including non-finite values.

The natural ordering of durations matches the natural ordering for Double, including non-finite values.

Attributes

Source
Duration.scala
Supertypes
trait Equiv[Duration]
trait Serializable
class Object
trait Matchable
class Any
Show all
Self type
sealed abstract class Infinite extends Duration

Attributes

Source
Duration.scala
Supertypes
class Duration
trait Ordered[Duration]
trait Serializable
class Object
trait Matchable
class Any
Show all

Value members

Concrete methods

def apply(length: Double, unit: TimeUnit): Duration

Construct a Duration from the given length and unit.

Construct a Duration from the given length and unit. Observe that nanosecond precision may be lost if

- the unit is NANOSECONDS - and the length has an absolute value greater than 2^53

Infinite inputs (and NaN) are converted into Duration.Inf, Duration.MinusInf and Duration.Undefined, respectively.

Attributes

Throws

IllegalArgumentException if the length was finite but the resulting duration cannot be expressed as a FiniteDuration

Source
Duration.scala
def apply(length: Long, unit: TimeUnit): FiniteDuration

Construct a finite duration from the given length and time unit.

Construct a finite duration from the given length and time unit. The unit given is retained throughout calculations as long as possible, so that it can be retrieved later.

Attributes

Source
Duration.scala
def apply(length: Long, unit: String): FiniteDuration

Construct a finite duration from the given length and time unit, where the latter is looked up in a list of string representation.

Construct a finite duration from the given length and time unit, where the latter is looked up in a list of string representation. Valid choices are:

d, day, h, hr, hour, m, min, minute, s, sec, second, ms, milli, millisecond, µs, micro, microsecond, ns, nano, nanosecond and their pluralized forms (for every but the first mentioned form of each unit, i.e. no "ds", but "days").

Attributes

Source
Duration.scala
def apply(s: String): Duration

Parse String into Duration.

Parse String into Duration. Format is "<length><unit>", where whitespace is allowed before, between and after the parts. Infinities are designated by "Inf", "PlusInf", "+Inf", "Duration.Inf" and "-Inf", "MinusInf" or "Duration.MinusInf". Undefined is designated by "Duration.Undefined".

Attributes

Throws

NumberFormatException if format is not parsable

Source
Duration.scala
def create(length: Long, unit: TimeUnit): FiniteDuration

Construct a finite duration from the given length and time unit.

Construct a finite duration from the given length and time unit. The unit given is retained throughout calculations as long as possible, so that it can be retrieved later.

Attributes

Source
Duration.scala
def create(length: Double, unit: TimeUnit): Duration

Construct a Duration from the given length and unit.

Construct a Duration from the given length and unit. Observe that nanosecond precision may be lost if

- the unit is NANOSECONDS - and the length has an absolute value greater than 2^53

Infinite inputs (and NaN) are converted into Duration.Inf, Duration.MinusInf and Duration.Undefined, respectively.

Attributes

Throws

IllegalArgumentException if the length was finite but the resulting duration cannot be expressed as a FiniteDuration

Source
Duration.scala
def create(length: Long, unit: String): FiniteDuration

Construct a finite duration from the given length and time unit, where the latter is looked up in a list of string representation.

Construct a finite duration from the given length and time unit, where the latter is looked up in a list of string representation. Valid choices are:

d, day, h, hour, min, minute, s, sec, second, ms, milli, millisecond, µs, micro, microsecond, ns, nano, nanosecond and their pluralized forms (for every but the first mentioned form of each unit, i.e. no "ds", but "days").

Attributes

Source
Duration.scala
def create(s: String): Duration

Parse String into Duration.

Parse String into Duration. Format is "<length><unit>", where whitespace is allowed before, between and after the parts. Infinities are designated by "Inf", "PlusInf", "+Inf" and "-Inf" or "MinusInf".

Attributes

Throws

NumberFormatException if format is not parsable

Source
Duration.scala
def fromNanos(nanos: Double): Duration

Construct a possibly infinite or undefined Duration from the given number of nanoseconds.

Construct a possibly infinite or undefined Duration from the given number of nanoseconds.

- Double.PositiveInfinity is mapped to Duration.Inf - Double.NegativeInfinity is mapped to Duration.MinusInf - Double.NaN is mapped to Duration.Undefined - -0d is mapped to Duration.Zero (exactly like 0d)

The semantics of the resulting Duration objects matches the semantics of their Double counterparts with respect to arithmetic operations.

Attributes

Throws

IllegalArgumentException if the length was finite but the resulting duration cannot be expressed as a FiniteDuration

Source
Duration.scala
def fromNanos(nanos: Long): FiniteDuration

Construct a finite duration from the given number of nanoseconds.

Construct a finite duration from the given number of nanoseconds. The result will have the coarsest possible time unit which can exactly express this duration.

Attributes

Throws

IllegalArgumentException for Long.MinValue since that would lead to inconsistent behavior afterwards (cannot be negated)

Source
Duration.scala
def unapply(s: String): Option[(Long, TimeUnit)]

Extract length and time unit out of a string, where the format must match the description for apply(String).

Extract length and time unit out of a string, where the format must match the description for apply(String). The extractor will not match for malformed strings or non-finite durations.

Attributes

Source
Duration.scala
def unapply(d: Duration): Option[(Long, TimeUnit)]

Extract length and time unit out of a duration, if it is finite.

Extract length and time unit out of a duration, if it is finite.

Attributes

Source
Duration.scala

Concrete fields

val Inf: Infinite

Infinite duration: greater than any other (apart from Undefined) and not equal to any other but itself.

Infinite duration: greater than any other (apart from Undefined) and not equal to any other but itself. This value closely corresponds to Double.PositiveInfinity, matching its semantics in arithmetic operations.

Attributes

Source
Duration.scala
val MinusInf: Infinite

Infinite duration: less than any other and not equal to any other but itself.

Infinite duration: less than any other and not equal to any other but itself. This value closely corresponds to Double.NegativeInfinity, matching its semantics in arithmetic operations.

Attributes

Source
Duration.scala
val Undefined: Infinite

The Undefined value corresponds closely to Double.NaN:

The Undefined value corresponds closely to Double.NaN:

- it is the result of otherwise invalid operations - it does not equal itself (according to equals()) - it compares greater than any other Duration apart from itself (for which compare returns 0)

The particular comparison semantics mirror those of Double.NaN.

Use eq when checking an input of a method against this value.

Attributes

Source
Duration.scala
val Zero: FiniteDuration

Preconstructed value of 0.days.

Preconstructed value of 0.days.

Attributes

Source
Duration.scala
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Copyright (c) 2002-2022, LAMP/EPFL
Copyright (c) 2002-2022, LAMP/EPFL