commonMain.kotlin.time.Duration.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package kotlin.time
import kotlin.contracts.*
import kotlin.jvm.JvmInline
import kotlin.math.*
/**
* Represents the amount of time one instant of time is away from another instant.
*
* A negative duration is possible in a situation when the second instant is earlier than the first one.
*
* The type can store duration values up to ±146 years with nanosecond precision,
* and up to ±146 million years with millisecond precision.
* If a duration-returning operation provided in `kotlin.time` produces a duration value that doesn't fit into the above range,
* the returned `Duration` is infinite.
*
* An infinite duration value [Duration.INFINITE] can be used to represent infinite timeouts.
*
* To construct a duration use either the extension function [toDuration],
* or the extension properties [hours], [minutes], [seconds], and so on,
* available on [Int], [Long], and [Double] numeric types.
*
* To get the value of this duration expressed in a particular [duration units][DurationUnit]
* use the functions [toInt], [toLong], and [toDouble]
* or the properties [inWholeHours], [inWholeMinutes], [inWholeSeconds], [inWholeNanoseconds], and so on.
*/
@SinceKotlin("1.6")
@WasExperimental(ExperimentalTime::class)
@JvmInline
public value class Duration internal constructor(private val rawValue: Long) : Comparable {
private val value: Long get() = rawValue shr 1
private inline val unitDiscriminator: Int get() = rawValue.toInt() and 1
private fun isInNanos() = unitDiscriminator == 0
private fun isInMillis() = unitDiscriminator == 1
private val storageUnit get() = if (isInNanos()) DurationUnit.NANOSECONDS else DurationUnit.MILLISECONDS
init {
if (durationAssertionsEnabled) {
if (isInNanos()) {
if (value !in -MAX_NANOS..MAX_NANOS) throw AssertionError("$value ns is out of nanoseconds range")
} else {
if (value !in -MAX_MILLIS..MAX_MILLIS) throw AssertionError("$value ms is out of milliseconds range")
if (value in -MAX_NANOS_IN_MILLIS..MAX_NANOS_IN_MILLIS) throw AssertionError("$value ms is denormalized")
}
}
}
public companion object {
/** The duration equal to exactly 0 seconds. */
public val ZERO: Duration = Duration(0L)
/** The duration whose value is positive infinity. It is useful for representing timeouts that should never expire. */
public val INFINITE: Duration = durationOfMillis(MAX_MILLIS)
internal val NEG_INFINITE: Duration = durationOfMillis(-MAX_MILLIS)
/** Converts the given time duration [value] expressed in the specified [sourceUnit] into the specified [targetUnit]. */
@ExperimentalTime
public fun convert(value: Double, sourceUnit: DurationUnit, targetUnit: DurationUnit): Double =
convertDurationUnit(value, sourceUnit, targetUnit)
// Duration construction extension properties in Duration companion scope
/** Returns a [Duration] equal to this [Int] number of nanoseconds. */
@kotlin.internal.InlineOnly
public inline val Int.nanoseconds: Duration get() = toDuration(DurationUnit.NANOSECONDS)
/** Returns a [Duration] equal to this [Long] number of nanoseconds. */
@kotlin.internal.InlineOnly
public inline val Long.nanoseconds: Duration get() = toDuration(DurationUnit.NANOSECONDS)
/**
* Returns a [Duration] equal to this [Double] number of nanoseconds.
*
* Depending on its magnitude, the value is rounded to an integer number of nanoseconds or milliseconds.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@kotlin.internal.InlineOnly
public inline val Double.nanoseconds: Duration get() = toDuration(DurationUnit.NANOSECONDS)
/** Returns a [Duration] equal to this [Int] number of microseconds. */
@kotlin.internal.InlineOnly
public inline val Int.microseconds: Duration get() = toDuration(DurationUnit.MICROSECONDS)
/** Returns a [Duration] equal to this [Long] number of microseconds. */
@kotlin.internal.InlineOnly
public inline val Long.microseconds: Duration get() = toDuration(DurationUnit.MICROSECONDS)
/**
* Returns a [Duration] equal to this [Double] number of microseconds.
*
* Depending on its magnitude, the value is rounded to an integer number of nanoseconds or milliseconds.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@kotlin.internal.InlineOnly
public inline val Double.microseconds: Duration get() = toDuration(DurationUnit.MICROSECONDS)
/** Returns a [Duration] equal to this [Int] number of milliseconds. */
@kotlin.internal.InlineOnly
public inline val Int.milliseconds: Duration get() = toDuration(DurationUnit.MILLISECONDS)
/** Returns a [Duration] equal to this [Long] number of milliseconds. */
@kotlin.internal.InlineOnly
public inline val Long.milliseconds: Duration get() = toDuration(DurationUnit.MILLISECONDS)
/**
* Returns a [Duration] equal to this [Double] number of milliseconds.
*
* Depending on its magnitude, the value is rounded to an integer number of nanoseconds or milliseconds.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@kotlin.internal.InlineOnly
public inline val Double.milliseconds: Duration get() = toDuration(DurationUnit.MILLISECONDS)
/** Returns a [Duration] equal to this [Int] number of seconds. */
@kotlin.internal.InlineOnly
public inline val Int.seconds: Duration get() = toDuration(DurationUnit.SECONDS)
/** Returns a [Duration] equal to this [Long] number of seconds. */
@kotlin.internal.InlineOnly
public inline val Long.seconds: Duration get() = toDuration(DurationUnit.SECONDS)
/**
* Returns a [Duration] equal to this [Double] number of seconds.
*
* Depending on its magnitude, the value is rounded to an integer number of nanoseconds or milliseconds.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@kotlin.internal.InlineOnly
public inline val Double.seconds: Duration get() = toDuration(DurationUnit.SECONDS)
/** Returns a [Duration] equal to this [Int] number of minutes. */
@kotlin.internal.InlineOnly
public inline val Int.minutes: Duration get() = toDuration(DurationUnit.MINUTES)
/** Returns a [Duration] equal to this [Long] number of minutes. */
@kotlin.internal.InlineOnly
public inline val Long.minutes: Duration get() = toDuration(DurationUnit.MINUTES)
/**
* Returns a [Duration] equal to this [Double] number of minutes.
*
* Depending on its magnitude, the value is rounded to an integer number of nanoseconds or milliseconds.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@kotlin.internal.InlineOnly
public inline val Double.minutes: Duration get() = toDuration(DurationUnit.MINUTES)
/** Returns a [Duration] equal to this [Int] number of hours. */
@kotlin.internal.InlineOnly
public inline val Int.hours: Duration get() = toDuration(DurationUnit.HOURS)
/** Returns a [Duration] equal to this [Long] number of hours. */
@kotlin.internal.InlineOnly
public inline val Long.hours: Duration get() = toDuration(DurationUnit.HOURS)
/**
* Returns a [Duration] equal to this [Double] number of hours.
*
* Depending on its magnitude, the value is rounded to an integer number of nanoseconds or milliseconds.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@kotlin.internal.InlineOnly
public inline val Double.hours: Duration get() = toDuration(DurationUnit.HOURS)
/** Returns a [Duration] equal to this [Int] number of days. */
@kotlin.internal.InlineOnly
public inline val Int.days: Duration get() = toDuration(DurationUnit.DAYS)
/** Returns a [Duration] equal to this [Long] number of days. */
@kotlin.internal.InlineOnly
public inline val Long.days: Duration get() = toDuration(DurationUnit.DAYS)
/**
* Returns a [Duration] equal to this [Double] number of days.
*
* Depending on its magnitude, the value is rounded to an integer number of nanoseconds or milliseconds.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@kotlin.internal.InlineOnly
public inline val Double.days: Duration get() = toDuration(DurationUnit.DAYS)
// deprecated static factory functions
/** Returns a [Duration] representing the specified [value] number of nanoseconds. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Int.nanoseconds' extension property from Duration.Companion instead.", ReplaceWith("value.nanoseconds", "kotlin.time.Duration.Companion.nanoseconds"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun nanoseconds(value: Int): Duration = value.toDuration(DurationUnit.NANOSECONDS)
/** Returns a [Duration] representing the specified [value] number of nanoseconds. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Long.nanoseconds' extension property from Duration.Companion instead.", ReplaceWith("value.nanoseconds", "kotlin.time.Duration.Companion.nanoseconds"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun nanoseconds(value: Long): Duration = value.toDuration(DurationUnit.NANOSECONDS)
/**
* Returns a [Duration] representing the specified [value] number of nanoseconds.
*
* @throws IllegalArgumentException if the provided `Double` [value] is `NaN`.
*/
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Double.nanoseconds' extension property from Duration.Companion instead.", ReplaceWith("value.nanoseconds", "kotlin.time.Duration.Companion.nanoseconds"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun nanoseconds(value: Double): Duration = value.toDuration(DurationUnit.NANOSECONDS)
/** Returns a [Duration] representing the specified [value] number of microseconds. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Int.microseconds' extension property from Duration.Companion instead.", ReplaceWith("value.microseconds", "kotlin.time.Duration.Companion.microseconds"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun microseconds(value: Int): Duration = value.toDuration(DurationUnit.MICROSECONDS)
/** Returns a [Duration] representing the specified [value] number of microseconds. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Long.microseconds' extension property from Duration.Companion instead.", ReplaceWith("value.microseconds", "kotlin.time.Duration.Companion.microseconds"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun microseconds(value: Long): Duration = value.toDuration(DurationUnit.MICROSECONDS)
/**
* Returns a [Duration] representing the specified [value] number of microseconds.
*
* @throws IllegalArgumentException if the provided `Double` [value] is `NaN`.
*/
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Double.microseconds' extension property from Duration.Companion instead.", ReplaceWith("value.microseconds", "kotlin.time.Duration.Companion.microseconds"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun microseconds(value: Double): Duration = value.toDuration(DurationUnit.MICROSECONDS)
/** Returns a [Duration] representing the specified [value] number of milliseconds. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Int.milliseconds' extension property from Duration.Companion instead.", ReplaceWith("value.milliseconds", "kotlin.time.Duration.Companion.milliseconds"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun milliseconds(value: Int): Duration = value.toDuration(DurationUnit.MILLISECONDS)
/** Returns a [Duration] representing the specified [value] number of milliseconds. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Long.milliseconds' extension property from Duration.Companion instead.", ReplaceWith("value.milliseconds", "kotlin.time.Duration.Companion.milliseconds"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun milliseconds(value: Long): Duration = value.toDuration(DurationUnit.MILLISECONDS)
/**
* Returns a [Duration] representing the specified [value] number of milliseconds.
*
* @throws IllegalArgumentException if the provided `Double` [value] is `NaN`.
*/
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Double.milliseconds' extension property from Duration.Companion instead.", ReplaceWith("value.milliseconds", "kotlin.time.Duration.Companion.milliseconds"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun milliseconds(value: Double): Duration = value.toDuration(DurationUnit.MILLISECONDS)
/** Returns a [Duration] representing the specified [value] number of seconds. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Int.seconds' extension property from Duration.Companion instead.", ReplaceWith("value.seconds", "kotlin.time.Duration.Companion.seconds"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun seconds(value: Int): Duration = value.toDuration(DurationUnit.SECONDS)
/** Returns a [Duration] representing the specified [value] number of seconds. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Long.seconds' extension property from Duration.Companion instead.", ReplaceWith("value.seconds", "kotlin.time.Duration.Companion.seconds"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun seconds(value: Long): Duration = value.toDuration(DurationUnit.SECONDS)
/**
* Returns a [Duration] representing the specified [value] number of seconds.
*
* @throws IllegalArgumentException if the provided `Double` [value] is `NaN`.
*/
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Double.seconds' extension property from Duration.Companion instead.", ReplaceWith("value.seconds", "kotlin.time.Duration.Companion.seconds"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun seconds(value: Double): Duration = value.toDuration(DurationUnit.SECONDS)
/** Returns a [Duration] representing the specified [value] number of minutes. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Int.minutes' extension property from Duration.Companion instead.", ReplaceWith("value.minutes", "kotlin.time.Duration.Companion.minutes"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun minutes(value: Int): Duration = value.toDuration(DurationUnit.MINUTES)
/** Returns a [Duration] representing the specified [value] number of minutes. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Long.minutes' extension property from Duration.Companion instead.", ReplaceWith("value.minutes", "kotlin.time.Duration.Companion.minutes"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun minutes(value: Long): Duration = value.toDuration(DurationUnit.MINUTES)
/**
* Returns a [Duration] representing the specified [value] number of minutes.
*
* @throws IllegalArgumentException if the provided `Double` [value] is `NaN`.
*/
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Double.minutes' extension property from Duration.Companion instead.", ReplaceWith("value.minutes", "kotlin.time.Duration.Companion.minutes"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun minutes(value: Double): Duration = value.toDuration(DurationUnit.MINUTES)
/** Returns a [Duration] representing the specified [value] number of hours. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Int.hours' extension property from Duration.Companion instead.", ReplaceWith("value.hours", "kotlin.time.Duration.Companion.hours"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun hours(value: Int): Duration = value.toDuration(DurationUnit.HOURS)
/** Returns a [Duration] representing the specified [value] number of hours. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Long.hours' extension property from Duration.Companion instead.", ReplaceWith("value.hours", "kotlin.time.Duration.Companion.hours"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun hours(value: Long): Duration = value.toDuration(DurationUnit.HOURS)
/**
* Returns a [Duration] representing the specified [value] number of hours.
*
* @throws IllegalArgumentException if the provided `Double` [value] is `NaN`.
*/
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Double.hours' extension property from Duration.Companion instead.", ReplaceWith("value.hours", "kotlin.time.Duration.Companion.hours"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun hours(value: Double): Duration = value.toDuration(DurationUnit.HOURS)
/** Returns a [Duration] representing the specified [value] number of days. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Int.days' extension property from Duration.Companion instead.", ReplaceWith("value.days", "kotlin.time.Duration.Companion.days"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun days(value: Int): Duration = value.toDuration(DurationUnit.DAYS)
/** Returns a [Duration] representing the specified [value] number of days. */
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Long.days' extension property from Duration.Companion instead.", ReplaceWith("value.days", "kotlin.time.Duration.Companion.days"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun days(value: Long): Duration = value.toDuration(DurationUnit.DAYS)
/**
* Returns a [Duration] representing the specified [value] number of days.
*
* @throws IllegalArgumentException if the provided `Double` [value] is `NaN`.
*/
@SinceKotlin("1.5")
@ExperimentalTime
@Deprecated("Use 'Double.days' extension property from Duration.Companion instead.", ReplaceWith("value.days", "kotlin.time.Duration.Companion.days"))
@DeprecatedSinceKotlin(warningSince = "1.6", errorSince = "1.8", hiddenSince = "1.9")
public fun days(value: Double): Duration = value.toDuration(DurationUnit.DAYS)
/**
* Parses a string that represents a duration and returns the parsed [Duration] value.
*
* The following formats are accepted:
*
* - ISO-8601 Duration format, e.g. `P1DT2H3M4.058S`, see [toIsoString] and [parseIsoString].
* - The format of string returned by the default [Duration.toString] and `toString` in a specific unit,
* e.g. `10s`, `1h 30m` or `-(1h 30m)`.
*
* @throws IllegalArgumentException if the string doesn't represent a duration in any of the supported formats.
* @sample samples.time.Durations.parse
*/
public fun parse(value: String): Duration = try {
parseDuration(value, strictIso = false)
} catch (e: IllegalArgumentException) {
throw IllegalArgumentException("Invalid duration string format: '$value'.", e)
}
/**
* Parses a string that represents a duration in a restricted ISO-8601 composite representation
* and returns the parsed [Duration] value.
* Composite representation is a relaxed version of ISO-8601 duration format that supports
* negative durations and negative values of individual components.
*
* The following restrictions are imposed:
*
* - The only allowed non-time designator is days (`D`). `Y` (years), `W` (weeks), and `M` (months) are not supported.
* - Day is considered to be exactly 24 hours (24-hour clock time scale).
* - Alternative week-based representation `["P"][number]["W"]` is not supported.
*
* @throws IllegalArgumentException if the string doesn't represent a duration in ISO-8601 format.
* @sample samples.time.Durations.parseIsoString
*/
public fun parseIsoString(value: String): Duration = try {
parseDuration(value, strictIso = true)
} catch (e: IllegalArgumentException) {
throw IllegalArgumentException("Invalid ISO duration string format: '$value'.", e)
}
/**
* Parses a string that represents a duration and returns the parsed [Duration] value,
* or `null` if the string doesn't represent a duration in any of the supported formats.
*
* The following formats are accepted:
*
* - Restricted ISO-8601 duration composite representation, e.g. `P1DT2H3M4.058S`, see [toIsoString] and [parseIsoString].
* - The format of string returned by the default [Duration.toString] and `toString` in a specific unit,
* e.g. `10s`, `1h 30m` or `-(1h 30m)`.
* @sample samples.time.Durations.parse
*/
public fun parseOrNull(value: String): Duration? = try {
parseDuration(value, strictIso = false)
} catch (e: IllegalArgumentException) {
null
}
/**
* Parses a string that represents a duration in restricted ISO-8601 composite representation
* and returns the parsed [Duration] value or `null` if the string doesn't represent a duration in the format
* acceptable by [parseIsoString].
*
* @sample samples.time.Durations.parseIsoString
*/
public fun parseIsoStringOrNull(value: String): Duration? = try {
parseDuration(value, strictIso = true)
} catch (e: IllegalArgumentException) {
null
}
}
// arithmetic operators
/** Returns the negative of this value. */
public operator fun unaryMinus(): Duration = durationOf(-value, unitDiscriminator)
/**
* Returns a duration whose value is the sum of this and [other] duration values.
*
* @throws IllegalArgumentException if the operation results in an undefined value for the given arguments,
* e.g. when adding infinite durations of different sign.
*/
public operator fun plus(other: Duration): Duration {
when {
this.isInfinite() -> {
if (other.isFinite() || (this.rawValue xor other.rawValue >= 0))
return this
else
throw IllegalArgumentException("Summing infinite durations of different signs yields an undefined result.")
}
other.isInfinite() -> return other
}
return when {
this.unitDiscriminator == other.unitDiscriminator -> {
val result = this.value + other.value // never overflows long, but can overflow long63
when {
isInNanos() ->
durationOfNanosNormalized(result)
else ->
durationOfMillisNormalized(result)
}
}
this.isInMillis() ->
addValuesMixedRanges(this.value, other.value)
else ->
addValuesMixedRanges(other.value, this.value)
}
}
private fun addValuesMixedRanges(thisMillis: Long, otherNanos: Long): Duration {
val otherMillis = nanosToMillis(otherNanos)
val resultMillis = thisMillis + otherMillis
return if (resultMillis in -MAX_NANOS_IN_MILLIS..MAX_NANOS_IN_MILLIS) {
val otherNanoRemainder = otherNanos - millisToNanos(otherMillis)
durationOfNanos(millisToNanos(resultMillis) + otherNanoRemainder)
} else {
durationOfMillis(resultMillis.coerceIn(-MAX_MILLIS, MAX_MILLIS))
}
}
/**
* Returns a duration whose value is the difference between this and [other] duration values.
*
* @throws IllegalArgumentException if the operation results in an undefined value for the given arguments,
* e.g. when subtracting infinite durations of the same sign.
*/
public operator fun minus(other: Duration): Duration = this + (-other)
/**
* Returns a duration whose value is this duration value multiplied by the given [scale] number.
*
* @throws IllegalArgumentException if the operation results in an undefined value for the given arguments,
* e.g. when multiplying an infinite duration by zero.
*/
public operator fun times(scale: Int): Duration {
if (isInfinite()) {
return when {
scale == 0 -> throw IllegalArgumentException("Multiplying infinite duration by zero yields an undefined result.")
scale > 0 -> this
else -> -this
}
}
if (scale == 0) return ZERO
val value = value
val result = value * scale
return if (isInNanos()) {
if (value in (MAX_NANOS / Int.MIN_VALUE)..(-MAX_NANOS / Int.MIN_VALUE)) {
// can't overflow nanos range for any scale
durationOfNanos(result)
} else {
if (result / scale == value) {
durationOfNanosNormalized(result)
} else {
val millis = nanosToMillis(value)
val remNanos = value - millisToNanos(millis)
val resultMillis = millis * scale
val totalMillis = resultMillis + nanosToMillis(remNanos * scale)
if (resultMillis / scale == millis && totalMillis xor resultMillis >= 0) {
durationOfMillis(totalMillis.coerceIn(-MAX_MILLIS..MAX_MILLIS))
} else {
if (value.sign * scale.sign > 0) INFINITE else NEG_INFINITE
}
}
}
} else {
if (result / scale == value) {
durationOfMillis(result.coerceIn(-MAX_MILLIS..MAX_MILLIS))
} else {
if (value.sign * scale.sign > 0) INFINITE else NEG_INFINITE
}
}
}
/**
* Returns a duration whose value is this duration value multiplied by the given [scale] number.
*
* The operation may involve rounding when the result cannot be represented exactly with a [Double] number.
*
* @throws IllegalArgumentException if the operation results in an undefined value for the given arguments,
* e.g. when multiplying an infinite duration by zero.
*/
public operator fun times(scale: Double): Duration {
val intScale = scale.roundToInt()
if (intScale.toDouble() == scale) {
return times(intScale)
}
val unit = storageUnit
val result = toDouble(unit) * scale
return result.toDuration(unit)
}
/**
* Returns a duration whose value is this duration value divided by the given [scale] number.
*
* @throws IllegalArgumentException if the operation results in an undefined value for the given arguments,
* e.g. when dividing zero duration by zero.
*/
public operator fun div(scale: Int): Duration {
if (scale == 0) {
return when {
isPositive() -> INFINITE
isNegative() -> NEG_INFINITE
else -> throw IllegalArgumentException("Dividing zero duration by zero yields an undefined result.")
}
}
if (isInNanos()) {
return durationOfNanos(value / scale)
} else {
if (isInfinite())
return this * scale.sign
val result = value / scale
if (result in -MAX_NANOS_IN_MILLIS..MAX_NANOS_IN_MILLIS) {
val rem = millisToNanos(value - (result * scale)) / scale
return durationOfNanos(millisToNanos(result) + rem)
}
return durationOfMillis(result)
}
}
/**
* Returns a duration whose value is this duration value divided by the given [scale] number.
*
* @throws IllegalArgumentException if the operation results in an undefined value for the given arguments,
* e.g. when dividing an infinite duration by infinity or zero duration by zero.
*/
public operator fun div(scale: Double): Duration {
val intScale = scale.roundToInt()
if (intScale.toDouble() == scale && intScale != 0) {
return div(intScale)
}
val unit = storageUnit
val result = toDouble(unit) / scale
return result.toDuration(unit)
}
/** Returns a number that is the ratio of this and [other] duration values. */
public operator fun div(other: Duration): Double {
val coarserUnit = maxOf(this.storageUnit, other.storageUnit)
return this.toDouble(coarserUnit) / other.toDouble(coarserUnit)
}
/**
* Returns a duration whose value is this duration value truncated to the specified duration [unit].
*/
internal fun truncateTo(unit: DurationUnit): Duration {
val storageUnit = storageUnit
if (unit <= storageUnit || this.isInfinite()) return this
val scale = convertDurationUnit(1, unit, storageUnit)
val result = value - value % scale
return result.toDuration(storageUnit)
}
/** Returns true, if the duration value is less than zero. */
public fun isNegative(): Boolean = rawValue < 0
/** Returns true, if the duration value is greater than zero. */
public fun isPositive(): Boolean = rawValue > 0
/** Returns true, if the duration value is infinite. */
public fun isInfinite(): Boolean = rawValue == INFINITE.rawValue || rawValue == NEG_INFINITE.rawValue
/** Returns true, if the duration value is finite. */
public fun isFinite(): Boolean = !isInfinite()
/** Returns the absolute value of this value. The returned value is always non-negative. */
public val absoluteValue: Duration get() = if (isNegative()) -this else this
override fun compareTo(other: Duration): Int {
val compareBits = this.rawValue xor other.rawValue
if (compareBits < 0 || compareBits.toInt() and 1 == 0) // different signs or same sign/same range
return this.rawValue.compareTo(other.rawValue)
// same sign/different ranges
val r = this.unitDiscriminator - other.unitDiscriminator // compare ranges
return if (isNegative()) -r else r
}
// splitting to components
/**
* Splits this duration into days, hours, minutes, seconds, and nanoseconds and executes the given [action] with these components.
* The result of [action] is returned as the result of this function.
*
* - `nanoseconds` represents the whole number of nanoseconds in this duration, and its absolute value is less than 1_000_000_000;
* - `seconds` represents the whole number of seconds in this duration, and its absolute value is less than 60;
* - `minutes` represents the whole number of minutes in this duration, and its absolute value is less than 60;
* - `hours` represents the whole number of hours in this duration, and its absolute value is less than 24;
* - `days` represents the whole number of days in this duration.
*
* Infinite durations are represented as either [Long.MAX_VALUE] days, or [Long.MIN_VALUE] days (depending on the sign of infinity),
* and zeroes in the lower components.
*/
public inline fun toComponents(action: (days: Long, hours: Int, minutes: Int, seconds: Int, nanoseconds: Int) -> T): T {
contract { callsInPlace(action, InvocationKind.EXACTLY_ONCE) }
return action(inWholeDays, hoursComponent, minutesComponent, secondsComponent, nanosecondsComponent)
}
/**
* Splits this duration into hours, minutes, seconds, and nanoseconds and executes the given [action] with these components.
* The result of [action] is returned as the result of this function.
*
* - `nanoseconds` represents the whole number of nanoseconds in this duration, and its absolute value is less than 1_000_000_000;
* - `seconds` represents the whole number of seconds in this duration, and its absolute value is less than 60;
* - `minutes` represents the whole number of minutes in this duration, and its absolute value is less than 60;
* - `hours` represents the whole number of hours in this duration.
*
* Infinite durations are represented as either [Long.MAX_VALUE] hours, or [Long.MIN_VALUE] hours (depending on the sign of infinity),
* and zeroes in the lower components.
*/
public inline fun toComponents(action: (hours: Long, minutes: Int, seconds: Int, nanoseconds: Int) -> T): T {
contract { callsInPlace(action, InvocationKind.EXACTLY_ONCE) }
return action(inWholeHours, minutesComponent, secondsComponent, nanosecondsComponent)
}
/**
* Splits this duration into minutes, seconds, and nanoseconds and executes the given [action] with these components.
* The result of [action] is returned as the result of this function.
*
* - `nanoseconds` represents the whole number of nanoseconds in this duration, and its absolute value is less than 1_000_000_000;
* - `seconds` represents the whole number of seconds in this duration, and its absolute value is less than 60;
* - `minutes` represents the whole number of minutes in this duration.
*
* Infinite durations are represented as either [Long.MAX_VALUE] minutes, or [Long.MIN_VALUE] minutes (depending on the sign of infinity),
* and zeroes in the lower components.
*/
public inline fun toComponents(action: (minutes: Long, seconds: Int, nanoseconds: Int) -> T): T {
contract { callsInPlace(action, InvocationKind.EXACTLY_ONCE) }
return action(inWholeMinutes, secondsComponent, nanosecondsComponent)
}
/**
* Splits this duration into seconds, and nanoseconds and executes the given [action] with these components.
* The result of [action] is returned as the result of this function.
*
* - `nanoseconds` represents the whole number of nanoseconds in this duration, and its absolute value is less than 1_000_000_000;
* - `seconds` represents the whole number of seconds in this duration.
*
* Infinite durations are represented as either [Long.MAX_VALUE] seconds, or [Long.MIN_VALUE] seconds (depending on the sign of infinity),
* and zero nanoseconds.
*/
public inline fun toComponents(action: (seconds: Long, nanoseconds: Int) -> T): T {
contract { callsInPlace(action, InvocationKind.EXACTLY_ONCE) }
return action(inWholeSeconds, nanosecondsComponent)
}
@PublishedApi
internal val hoursComponent: Int
get() = if (isInfinite()) 0 else (inWholeHours % 24).toInt()
@PublishedApi
internal val minutesComponent: Int
get() = if (isInfinite()) 0 else (inWholeMinutes % 60).toInt()
@PublishedApi
internal val secondsComponent: Int
get() = if (isInfinite()) 0 else (inWholeSeconds % 60).toInt()
@PublishedApi
internal val nanosecondsComponent: Int
get() = when {
isInfinite() -> 0
isInMillis() -> millisToNanos(value % 1_000).toInt()
else -> (value % 1_000_000_000).toInt()
}
// conversion to units
/**
* Returns the value of this duration expressed as a [Double] number of the specified [unit].
*
* The operation may involve rounding when the result cannot be represented exactly with a [Double] number.
*
* An infinite duration value is converted either to [Double.POSITIVE_INFINITY] or [Double.NEGATIVE_INFINITY] depending on its sign.
*/
public fun toDouble(unit: DurationUnit): Double {
return when (rawValue) {
INFINITE.rawValue -> Double.POSITIVE_INFINITY
NEG_INFINITE.rawValue -> Double.NEGATIVE_INFINITY
else -> {
// TODO: whether it's ok to convert to Double before scaling
convertDurationUnit(value.toDouble(), storageUnit, unit)
}
}
}
/**
* Returns the value of this duration expressed as a [Long] number of the specified [unit].
*
* If the result doesn't fit in the range of [Long] type, it is coerced into that range:
* - [Long.MIN_VALUE] is returned if it's less than `Long.MIN_VALUE`,
* - [Long.MAX_VALUE] is returned if it's greater than `Long.MAX_VALUE`.
*
* An infinite duration value is converted either to [Long.MAX_VALUE] or [Long.MIN_VALUE] depending on its sign.
*/
public fun toLong(unit: DurationUnit): Long {
return when (rawValue) {
INFINITE.rawValue -> Long.MAX_VALUE
NEG_INFINITE.rawValue -> Long.MIN_VALUE
else -> convertDurationUnit(value, storageUnit, unit)
}
}
/**
* Returns the value of this duration expressed as an [Int] number of the specified [unit].
*
* If the result doesn't fit in the range of [Int] type, it is coerced into that range:
* - [Int.MIN_VALUE] is returned if it's less than `Int.MIN_VALUE`,
* - [Int.MAX_VALUE] is returned if it's greater than `Int.MAX_VALUE`.
*
* An infinite duration value is converted either to [Int.MAX_VALUE] or [Int.MIN_VALUE] depending on its sign.
*/
public fun toInt(unit: DurationUnit): Int =
toLong(unit).coerceIn(Int.MIN_VALUE.toLong(), Int.MAX_VALUE.toLong()).toInt()
/** The value of this duration expressed as a [Double] number of days. */
@ExperimentalTime
@Deprecated("Use inWholeDays property instead or convert toDouble(DAYS) if a double value is required.", ReplaceWith("toDouble(DurationUnit.DAYS)"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val inDays: Double get() = toDouble(DurationUnit.DAYS)
/** The value of this duration expressed as a [Double] number of hours. */
@ExperimentalTime
@Deprecated("Use inWholeHours property instead or convert toDouble(HOURS) if a double value is required.", ReplaceWith("toDouble(DurationUnit.HOURS)"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val inHours: Double get() = toDouble(DurationUnit.HOURS)
/** The value of this duration expressed as a [Double] number of minutes. */
@ExperimentalTime
@Deprecated("Use inWholeMinutes property instead or convert toDouble(MINUTES) if a double value is required.", ReplaceWith("toDouble(DurationUnit.MINUTES)"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val inMinutes: Double get() = toDouble(DurationUnit.MINUTES)
/** The value of this duration expressed as a [Double] number of seconds. */
@ExperimentalTime
@Deprecated("Use inWholeSeconds property instead or convert toDouble(SECONDS) if a double value is required.", ReplaceWith("toDouble(DurationUnit.SECONDS)"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val inSeconds: Double get() = toDouble(DurationUnit.SECONDS)
/** The value of this duration expressed as a [Double] number of milliseconds. */
@ExperimentalTime
@Deprecated("Use inWholeMilliseconds property instead or convert toDouble(MILLISECONDS) if a double value is required.", ReplaceWith("toDouble(DurationUnit.MILLISECONDS)"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val inMilliseconds: Double get() = toDouble(DurationUnit.MILLISECONDS)
/** The value of this duration expressed as a [Double] number of microseconds. */
@ExperimentalTime
@Deprecated("Use inWholeMicroseconds property instead or convert toDouble(MICROSECONDS) if a double value is required.", ReplaceWith("toDouble(DurationUnit.MICROSECONDS)"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val inMicroseconds: Double get() = toDouble(DurationUnit.MICROSECONDS)
/** The value of this duration expressed as a [Double] number of nanoseconds. */
@ExperimentalTime
@Deprecated("Use inWholeNanoseconds property instead or convert toDouble(NANOSECONDS) if a double value is required.", ReplaceWith("toDouble(DurationUnit.NANOSECONDS)"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val inNanoseconds: Double get() = toDouble(DurationUnit.NANOSECONDS)
/**
* The value of this duration expressed as a [Long] number of days.
*
* An infinite duration value is converted either to [Long.MAX_VALUE] or [Long.MIN_VALUE] depending on its sign.
*/
public val inWholeDays: Long
get() = toLong(DurationUnit.DAYS)
/**
* The value of this duration expressed as a [Long] number of hours.
*
* An infinite duration value is converted either to [Long.MAX_VALUE] or [Long.MIN_VALUE] depending on its sign.
*/
public val inWholeHours: Long
get() = toLong(DurationUnit.HOURS)
/**
* The value of this duration expressed as a [Long] number of minutes.
*
* An infinite duration value is converted either to [Long.MAX_VALUE] or [Long.MIN_VALUE] depending on its sign.
*/
public val inWholeMinutes: Long
get() = toLong(DurationUnit.MINUTES)
/**
* The value of this duration expressed as a [Long] number of seconds.
*
* An infinite duration value is converted either to [Long.MAX_VALUE] or [Long.MIN_VALUE] depending on its sign.
*/
public val inWholeSeconds: Long
get() = toLong(DurationUnit.SECONDS)
/**
* The value of this duration expressed as a [Long] number of milliseconds.
*
* An infinite duration value is converted either to [Long.MAX_VALUE] or [Long.MIN_VALUE] depending on its sign.
*/
public val inWholeMilliseconds: Long
get() {
return if (isInMillis() && isFinite()) value else toLong(DurationUnit.MILLISECONDS)
}
/**
* The value of this duration expressed as a [Long] number of microseconds.
*
* If the result doesn't fit in the range of [Long] type, it is coerced into that range:
* - [Long.MIN_VALUE] is returned if it's less than `Long.MIN_VALUE`,
* - [Long.MAX_VALUE] is returned if it's greater than `Long.MAX_VALUE`.
*
* An infinite duration value is converted either to [Long.MAX_VALUE] or [Long.MIN_VALUE] depending on its sign.
*/
public val inWholeMicroseconds: Long
get() = toLong(DurationUnit.MICROSECONDS)
/**
* The value of this duration expressed as a [Long] number of nanoseconds.
*
* If the result doesn't fit in the range of [Long] type, it is coerced into that range:
* - [Long.MIN_VALUE] is returned if it's less than `Long.MIN_VALUE`,
* - [Long.MAX_VALUE] is returned if it's greater than `Long.MAX_VALUE`.
*
* An infinite duration value is converted either to [Long.MAX_VALUE] or [Long.MIN_VALUE] depending on its sign.
*/
public val inWholeNanoseconds: Long
get() {
val value = value
return when {
isInNanos() -> value
value > Long.MAX_VALUE / NANOS_IN_MILLIS -> Long.MAX_VALUE
value < Long.MIN_VALUE / NANOS_IN_MILLIS -> Long.MIN_VALUE
else -> millisToNanos(value)
}
}
// shortcuts
/**
* Returns the value of this duration expressed as a [Long] number of nanoseconds.
*
* If the value doesn't fit in the range of [Long] type, it is coerced into that range, see the conversion [Double.toLong] for details.
*
* The range of durations that can be expressed as a `Long` number of nanoseconds is approximately ±292 years.
*/
@ExperimentalTime
@Deprecated("Use inWholeNanoseconds property instead.", ReplaceWith("this.inWholeNanoseconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public fun toLongNanoseconds(): Long = inWholeNanoseconds
/**
* Returns the value of this duration expressed as a [Long] number of milliseconds.
*
* The value is coerced to the range of [Long] type, if it doesn't fit in that range, see the conversion [Double.toLong] for details.
*
* The range of durations that can be expressed as a `Long` number of milliseconds is approximately ±292 million years.
*/
@ExperimentalTime
@Deprecated("Use inWholeMilliseconds property instead.", ReplaceWith("this.inWholeMilliseconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public fun toLongMilliseconds(): Long = inWholeMilliseconds
/**
* Returns a string representation of this duration value
* expressed as a combination of numeric components, each in its own unit.
*
* Each component is a number followed by the unit abbreviated name: `d`, `h`, `m`, `s`:
* `5h`, `1d 12h`, `1h 0m 30.340s`.
* The last component, usually seconds, can be a number with a fractional part.
*
* If the duration is less than a second, it is represented as a single number
* with one of sub-second units: `ms` (milliseconds), `us` (microseconds), or `ns` (nanoseconds):
* `140.884ms`, `500us`, `24ns`.
*
* A negative duration is prefixed with `-` sign and, if it consists of multiple components, surrounded with parentheses:
* `-12m` and `-(1h 30m)`.
*
* Special cases:
* - an infinite duration is formatted as `"Infinity"` or `"-Infinity"` without a unit.
*
* It's recommended to use [toIsoString] that uses more strict ISO-8601 format instead of this `toString`
* when you want to convert a duration to a string in cases of serialization, interchange, etc.
*
* @sample samples.time.Durations.toStringDefault
*/
override fun toString(): String = when (rawValue) {
0L -> "0s"
INFINITE.rawValue -> "Infinity"
NEG_INFINITE.rawValue -> "-Infinity"
else -> {
val isNegative = isNegative()
buildString {
if (isNegative) append('-')
absoluteValue.toComponents { days, hours, minutes, seconds, nanoseconds ->
val hasDays = days != 0L
val hasHours = hours != 0
val hasMinutes = minutes != 0
val hasSeconds = seconds != 0 || nanoseconds != 0
var components = 0
if (hasDays) {
append(days).append('d')
components++
}
if (hasHours || (hasDays && (hasMinutes || hasSeconds))) {
if (components++ > 0) append(' ')
append(hours).append('h')
}
if (hasMinutes || (hasSeconds && (hasHours || hasDays))) {
if (components++ > 0) append(' ')
append(minutes).append('m')
}
if (hasSeconds) {
if (components++ > 0) append(' ')
when {
seconds != 0 || hasDays || hasHours || hasMinutes ->
appendFractional(seconds, nanoseconds, 9, "s", isoZeroes = false)
nanoseconds >= 1_000_000 ->
appendFractional(nanoseconds / 1_000_000, nanoseconds % 1_000_000, 6, "ms", isoZeroes = false)
nanoseconds >= 1_000 ->
appendFractional(nanoseconds / 1_000, nanoseconds % 1_000, 3, "us", isoZeroes = false)
else ->
append(nanoseconds).append("ns")
}
}
if (isNegative && components > 1) insert(1, '(').append(')')
}
}
}
}
private fun StringBuilder.appendFractional(whole: Int, fractional: Int, fractionalSize: Int, unit: String, isoZeroes: Boolean) {
append(whole)
if (fractional != 0) {
append('.')
val fracString = fractional.toString().padStart(fractionalSize, '0')
val nonZeroDigits = fracString.indexOfLast { it != '0' } + 1
when {
!isoZeroes && nonZeroDigits < 3 -> appendRange(fracString, 0, nonZeroDigits)
else -> appendRange(fracString, 0, ((nonZeroDigits + 2) / 3) * 3)
}
}
append(unit)
}
/**
* Returns a string representation of this duration value expressed in the given [unit]
* and formatted with the specified [decimals] number of digits after decimal point.
*
* Special cases:
* - an infinite duration is formatted as `"Infinity"` or `"-Infinity"` without a unit.
*
* @param decimals the number of digits after decimal point to show. The value must be non-negative.
* No more than 12 decimals will be shown, even if a larger number is requested.
*
* @return the value of duration in the specified [unit] followed by that unit abbreviated name: `d`, `h`, `m`, `s`, `ms`, `us`, or `ns`.
*
* @throws IllegalArgumentException if [decimals] is less than zero.
*
* @sample samples.time.Durations.toStringDecimals
*/
public fun toString(unit: DurationUnit, decimals: Int = 0): String {
require(decimals >= 0) { "decimals must be not negative, but was $decimals" }
val number = toDouble(unit)
if (number.isInfinite()) return number.toString()
return formatToExactDecimals(number, decimals.coerceAtMost(12)) + unit.shortName()
}
/**
* Returns an ISO-8601 based string representation of this duration.
*
* The returned value is presented in the format `PThHmMs.fS`, where `h`, `m`, `s` are the integer components of this duration (see [toComponents])
* and `f` is a fractional part of second. Depending on the roundness of the value the fractional part can be formatted with either
* 0, 3, 6, or 9 decimal digits.
*
* The infinite duration is represented as `"PT9999999999999H"` which is larger than any possible finite duration in Kotlin.
*
* Negative durations are indicated with the sign `-` in the beginning of the returned string, for example, `"-PT5M30S"`.
*
* @sample samples.time.Durations.toIsoString
*/
public fun toIsoString(): String = buildString {
if (isNegative()) append('-')
append("PT")
[email protected] { hours, minutes, seconds, nanoseconds ->
@Suppress("NAME_SHADOWING")
var hours = hours
if (isInfinite()) {
// use large enough value instead of Long.MAX_VALUE
hours = 9_999_999_999_999
}
val hasHours = hours != 0L
val hasSeconds = seconds != 0 || nanoseconds != 0
val hasMinutes = minutes != 0 || (hasSeconds && hasHours)
if (hasHours) {
append(hours).append('H')
}
if (hasMinutes) {
append(minutes).append('M')
}
if (hasSeconds || (!hasHours && !hasMinutes)) {
appendFractional(seconds, nanoseconds, 9, "S", isoZeroes = true)
}
}
}
}
// constructing from number of units
// extension functions
/** Returns a [Duration] equal to this [Int] number of the specified [unit]. */
@SinceKotlin("1.6")
@WasExperimental(ExperimentalTime::class)
public fun Int.toDuration(unit: DurationUnit): Duration {
return if (unit <= DurationUnit.SECONDS) {
durationOfNanos(convertDurationUnitOverflow(this.toLong(), unit, DurationUnit.NANOSECONDS))
} else
toLong().toDuration(unit)
}
/** Returns a [Duration] equal to this [Long] number of the specified [unit]. */
@SinceKotlin("1.6")
@WasExperimental(ExperimentalTime::class)
public fun Long.toDuration(unit: DurationUnit): Duration {
val maxNsInUnit = convertDurationUnitOverflow(MAX_NANOS, DurationUnit.NANOSECONDS, unit)
if (this in -maxNsInUnit..maxNsInUnit) {
return durationOfNanos(convertDurationUnitOverflow(this, unit, DurationUnit.NANOSECONDS))
} else {
val millis = convertDurationUnit(this, unit, DurationUnit.MILLISECONDS)
return durationOfMillis(millis.coerceIn(-MAX_MILLIS, MAX_MILLIS))
}
}
/**
* Returns a [Duration] equal to this [Double] number of the specified [unit].
*
* Depending on its magnitude, the value is rounded to an integer number of nanoseconds or milliseconds.
*
* @throws IllegalArgumentException if this `Double` value is `NaN`.
*/
@SinceKotlin("1.6")
@WasExperimental(ExperimentalTime::class)
public fun Double.toDuration(unit: DurationUnit): Duration {
val valueInNs = convertDurationUnit(this, unit, DurationUnit.NANOSECONDS)
require(!valueInNs.isNaN()) { "Duration value cannot be NaN." }
val nanos = valueInNs.roundToLong()
return if (nanos in -MAX_NANOS..MAX_NANOS) {
durationOfNanos(nanos)
} else {
val millis = convertDurationUnit(this, unit, DurationUnit.MILLISECONDS).roundToLong()
durationOfMillisNormalized(millis)
}
}
// constructing from number of units
// deprecated extension properties
/** Returns a [Duration] equal to this [Int] number of nanoseconds. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Int.nanoseconds' extension property from Duration.Companion instead.", ReplaceWith("this.nanoseconds", "kotlin.time.Duration.Companion.nanoseconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Int.nanoseconds: Duration get() = toDuration(DurationUnit.NANOSECONDS)
/** Returns a [Duration] equal to this [Long] number of nanoseconds. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Long.nanoseconds' extension property from Duration.Companion instead.", ReplaceWith("this.nanoseconds", "kotlin.time.Duration.Companion.nanoseconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Long.nanoseconds: Duration get() = toDuration(DurationUnit.NANOSECONDS)
/**
* Returns a [Duration] equal to this [Double] number of nanoseconds.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Double.nanoseconds' extension property from Duration.Companion instead.", ReplaceWith("this.nanoseconds", "kotlin.time.Duration.Companion.nanoseconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Double.nanoseconds: Duration get() = toDuration(DurationUnit.NANOSECONDS)
/** Returns a [Duration] equal to this [Int] number of microseconds. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Int.microseconds' extension property from Duration.Companion instead.", ReplaceWith("this.microseconds", "kotlin.time.Duration.Companion.microseconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Int.microseconds: Duration get() = toDuration(DurationUnit.MICROSECONDS)
/** Returns a [Duration] equal to this [Long] number of microseconds. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Long.microseconds' extension property from Duration.Companion instead.", ReplaceWith("this.microseconds", "kotlin.time.Duration.Companion.microseconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Long.microseconds: Duration get() = toDuration(DurationUnit.MICROSECONDS)
/**
* Returns a [Duration] equal to this [Double] number of microseconds.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Double.microseconds' extension property from Duration.Companion instead.", ReplaceWith("this.microseconds", "kotlin.time.Duration.Companion.microseconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Double.microseconds: Duration get() = toDuration(DurationUnit.MICROSECONDS)
/** Returns a [Duration] equal to this [Int] number of milliseconds. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Int.milliseconds' extension property from Duration.Companion instead.", ReplaceWith("this.milliseconds", "kotlin.time.Duration.Companion.milliseconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Int.milliseconds: Duration get() = toDuration(DurationUnit.MILLISECONDS)
/** Returns a [Duration] equal to this [Long] number of milliseconds. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Long.milliseconds' extension property from Duration.Companion instead.", ReplaceWith("this.milliseconds", "kotlin.time.Duration.Companion.milliseconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Long.milliseconds: Duration get() = toDuration(DurationUnit.MILLISECONDS)
/**
* Returns a [Duration] equal to this [Double] number of milliseconds.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Double.milliseconds' extension property from Duration.Companion instead.", ReplaceWith("this.milliseconds", "kotlin.time.Duration.Companion.milliseconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Double.milliseconds: Duration get() = toDuration(DurationUnit.MILLISECONDS)
/** Returns a [Duration] equal to this [Int] number of seconds. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Int.seconds' extension property from Duration.Companion instead.", ReplaceWith("this.seconds", "kotlin.time.Duration.Companion.seconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Int.seconds: Duration get() = toDuration(DurationUnit.SECONDS)
/** Returns a [Duration] equal to this [Long] number of seconds. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Long.seconds' extension property from Duration.Companion instead.", ReplaceWith("this.seconds", "kotlin.time.Duration.Companion.seconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Long.seconds: Duration get() = toDuration(DurationUnit.SECONDS)
/**
* Returns a [Duration] equal to this [Double] number of seconds.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Double.seconds' extension property from Duration.Companion instead.", ReplaceWith("this.seconds", "kotlin.time.Duration.Companion.seconds"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Double.seconds: Duration get() = toDuration(DurationUnit.SECONDS)
/** Returns a [Duration] equal to this [Int] number of minutes. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Int.minutes' extension property from Duration.Companion instead.", ReplaceWith("this.minutes", "kotlin.time.Duration.Companion.minutes"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Int.minutes: Duration get() = toDuration(DurationUnit.MINUTES)
/** Returns a [Duration] equal to this [Long] number of minutes. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Long.minutes' extension property from Duration.Companion instead.", ReplaceWith("this.minutes", "kotlin.time.Duration.Companion.minutes"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Long.minutes: Duration get() = toDuration(DurationUnit.MINUTES)
/**
* Returns a [Duration] equal to this [Double] number of minutes.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Double.minutes' extension property from Duration.Companion instead.", ReplaceWith("this.minutes", "kotlin.time.Duration.Companion.minutes"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Double.minutes: Duration get() = toDuration(DurationUnit.MINUTES)
/** Returns a [Duration] equal to this [Int] number of hours. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Int.hours' extension property from Duration.Companion instead.", ReplaceWith("this.hours", "kotlin.time.Duration.Companion.hours"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Int.hours: Duration get() = toDuration(DurationUnit.HOURS)
/** Returns a [Duration] equal to this [Long] number of hours. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Long.hours' extension property from Duration.Companion instead.", ReplaceWith("this.hours", "kotlin.time.Duration.Companion.hours"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Long.hours: Duration get() = toDuration(DurationUnit.HOURS)
/**
* Returns a [Duration] equal to this [Double] number of hours.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Double.hours' extension property from Duration.Companion instead.", ReplaceWith("this.hours", "kotlin.time.Duration.Companion.hours"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Double.hours: Duration get() = toDuration(DurationUnit.HOURS)
/** Returns a [Duration] equal to this [Int] number of days. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Int.days' extension property from Duration.Companion instead.", ReplaceWith("this.days", "kotlin.time.Duration.Companion.days"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Int.days: Duration get() = toDuration(DurationUnit.DAYS)
/** Returns a [Duration] equal to this [Long] number of days. */
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Long.days' extension property from Duration.Companion instead.", ReplaceWith("this.days", "kotlin.time.Duration.Companion.days"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Long.days: Duration get() = toDuration(DurationUnit.DAYS)
/**
* Returns a [Duration] equal to this [Double] number of days.
*
* @throws IllegalArgumentException if this [Double] value is `NaN`.
*/
@SinceKotlin("1.3")
@ExperimentalTime
@Deprecated("Use 'Double.days' extension property from Duration.Companion instead.", ReplaceWith("this.days", "kotlin.time.Duration.Companion.days"))
@DeprecatedSinceKotlin(warningSince = "1.5", errorSince = "1.8", hiddenSince = "1.9")
public val Double.days: Duration get() = toDuration(DurationUnit.DAYS)
/** Returns a duration whose value is the specified [duration] value multiplied by this number. */
@SinceKotlin("1.6")
@WasExperimental(ExperimentalTime::class)
@kotlin.internal.InlineOnly
public inline operator fun Int.times(duration: Duration): Duration = duration * this
/**
* Returns a duration whose value is the specified [duration] value multiplied by this number.
*
* The operation may involve rounding when the result cannot be represented exactly with a [Double] number.
*
* @throws IllegalArgumentException if the operation results in a `NaN` value.
*/
@SinceKotlin("1.6")
@WasExperimental(ExperimentalTime::class)
@kotlin.internal.InlineOnly
public inline operator fun Double.times(duration: Duration): Duration = duration * this
private fun parseDuration(value: String, strictIso: Boolean): Duration {
var length = value.length
if (length == 0) throw IllegalArgumentException("The string is empty")
var index = 0
var result = Duration.ZERO
val infinityString = "Infinity"
when (value[index]) {
'+', '-' -> index++
}
val hasSign = index > 0
val isNegative = hasSign && value.startsWith('-')
when {
length <= index ->
throw IllegalArgumentException("No components")
value[index] == 'P' -> {
if (++index == length) throw IllegalArgumentException()
val nonDigitSymbols = "+-."
var isTimeComponent = false
var prevUnit: DurationUnit? = null
while (index < length) {
if (value[index] == 'T') {
if (isTimeComponent || ++index == length) throw IllegalArgumentException()
isTimeComponent = true
continue
}
val component = value.substringWhile(index) { it in '0'..'9' || it in nonDigitSymbols }
if (component.isEmpty()) throw IllegalArgumentException()
index += component.length
val unitChar = value.getOrElse(index) { throw IllegalArgumentException("Missing unit for value $component") }
index++
val unit = durationUnitByIsoChar(unitChar, isTimeComponent)
if (prevUnit != null && prevUnit <= unit) throw IllegalArgumentException("Unexpected order of duration components")
prevUnit = unit
val dotIndex = component.indexOf('.')
if (unit == DurationUnit.SECONDS && dotIndex > 0) {
val whole = component.substring(0, dotIndex)
result += parseOverLongIsoComponent(whole).toDuration(unit)
result += component.substring(dotIndex).toDouble().toDuration(unit)
} else {
result += parseOverLongIsoComponent(component).toDuration(unit)
}
}
}
strictIso ->
throw IllegalArgumentException()
value.regionMatches(index, infinityString, 0, length = maxOf(length - index, infinityString.length), ignoreCase = true) -> {
result = Duration.INFINITE
}
else -> {
// parse default string format
var prevUnit: DurationUnit? = null
var afterFirst = false
var allowSpaces = !hasSign
if (hasSign && value[index] == '(' && value.last() == ')') {
allowSpaces = true
if (++index == --length) throw IllegalArgumentException("No components")
}
while (index < length) {
if (afterFirst && allowSpaces) {
index = value.skipWhile(index) { it == ' ' }
}
afterFirst = true
val component = value.substringWhile(index) { it in '0'..'9' || it == '.' }
if (component.isEmpty()) throw IllegalArgumentException()
index += component.length
val unitName = value.substringWhile(index) { it in 'a'..'z' }
index += unitName.length
val unit = durationUnitByShortName(unitName)
if (prevUnit != null && prevUnit <= unit) throw IllegalArgumentException("Unexpected order of duration components")
prevUnit = unit
val dotIndex = component.indexOf('.')
if (dotIndex > 0) {
val whole = component.substring(0, dotIndex)
result += whole.toLong().toDuration(unit)
result += component.substring(dotIndex).toDouble().toDuration(unit)
if (index < length) throw IllegalArgumentException("Fractional component must be last")
} else {
result += component.toLong().toDuration(unit)
}
}
}
}
return if (isNegative) -result else result
}
private fun parseOverLongIsoComponent(value: String): Long {
val length = value.length
var startIndex = 0
if (length > 0 && value[0] in "+-") startIndex++
if ((length - startIndex) > 16 && (startIndex..value.lastIndex).all { value[it] in '0'..'9' }) {
// all chars are digits, but more than ceiling(log10(MAX_MILLIS / 1000)) of them
return if (value[0] == '-') Long.MIN_VALUE else Long.MAX_VALUE
}
// TODO: replace with just toLong after min JDK becomes 8
return if (value.startsWith("+")) value.drop(1).toLong() else value.toLong()
}
private inline fun String.substringWhile(startIndex: Int, predicate: (Char) -> Boolean): String =
substring(startIndex, skipWhile(startIndex, predicate))
private inline fun String.skipWhile(startIndex: Int, predicate: (Char) -> Boolean): Int {
var i = startIndex
while (i < length && predicate(this[i])) i++
return i
}
// The ranges are chosen so that they are:
// - symmetric relative to zero: this greatly simplifies operations with sign, e.g. unaryMinus and minus.
// - non-overlapping, but adjacent: the first value that doesn't fit in nanos range, can be exactly represented in millis.
internal const val NANOS_IN_MILLIS = 1_000_000
// maximum number duration can store in nanosecond range
internal const val MAX_NANOS = Long.MAX_VALUE / 2 / NANOS_IN_MILLIS * NANOS_IN_MILLIS - 1 // ends in ..._999_999
// maximum number duration can store in millisecond range, also encodes an infinite value
internal const val MAX_MILLIS = Long.MAX_VALUE / 2
// MAX_NANOS expressed in milliseconds
private const val MAX_NANOS_IN_MILLIS = MAX_NANOS / NANOS_IN_MILLIS
private fun nanosToMillis(nanos: Long): Long = nanos / NANOS_IN_MILLIS
private fun millisToNanos(millis: Long): Long = millis * NANOS_IN_MILLIS
private fun durationOfNanos(normalNanos: Long) = Duration(normalNanos shl 1)
private fun durationOfMillis(normalMillis: Long) = Duration((normalMillis shl 1) + 1)
private fun durationOf(normalValue: Long, unitDiscriminator: Int) = Duration((normalValue shl 1) + unitDiscriminator)
private fun durationOfNanosNormalized(nanos: Long) =
if (nanos in -MAX_NANOS..MAX_NANOS) {
durationOfNanos(nanos)
} else {
durationOfMillis(nanosToMillis(nanos))
}
private fun durationOfMillisNormalized(millis: Long) =
if (millis in -MAX_NANOS_IN_MILLIS..MAX_NANOS_IN_MILLIS) {
durationOfNanos(millisToNanos(millis))
} else {
durationOfMillis(millis.coerceIn(-MAX_MILLIS, MAX_MILLIS))
}
internal expect val durationAssertionsEnabled: Boolean
internal expect fun formatToExactDecimals(value: Double, decimals: Int): String
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