-
Notifications
You must be signed in to change notification settings - Fork 237
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Standardized duration conversion and always make it coarsest possible. (
#716)
- Loading branch information
Showing
9 changed files
with
104 additions
and
42 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
67 changes: 67 additions & 0 deletions
67
squbs-ext/src/main/scala/org/squbs/util/DurationConverters.scala
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| * Copyright (C) 2012-2017 Typesafe Inc. <http://www.typesafe.com> | ||
| */ | ||
| package org.squbs.util | ||
|
|
||
| import java.time.temporal.ChronoUnit | ||
| import java.util.concurrent.TimeUnit | ||
| import java.time.{Duration => JavaDuration} | ||
|
|
||
| import scala.concurrent.duration.{FiniteDuration, Duration => ScalaDuration} | ||
|
|
||
|
|
||
| /** | ||
| * This class contains static methods which convert between Java Durations | ||
| * and the durations from the Scala concurrency package. This is useful when mediating between Scala and Java | ||
| * libraries with asynchronous APIs where timeouts for example are often expressed as durations. | ||
| */ | ||
| object DurationConverters { | ||
|
|
||
| /** | ||
| * Transform a Java duration into a Scala duration. If the nanosecond part of the Java duration is zero the returned | ||
| * duration will have a time unit of seconds and if nthere is a nanoseconds part the Scala duration will have a time | ||
| * unit of nanoseconds. | ||
| * | ||
| * @throws IllegalArgumentException If the given Java Duration is out of bounds of what can be expressed with the | ||
| * Scala FiniteDuration. | ||
| */ | ||
| final def toScala(duration: java.time.Duration): scala.concurrent.duration.FiniteDuration = { | ||
| val originalSeconds = duration.getSeconds | ||
| val originalNanos = duration.getNano | ||
| if (originalNanos == 0) { | ||
| if (originalSeconds == 0) ScalaDuration.Zero | ||
| else FiniteDuration(originalSeconds, TimeUnit.SECONDS).toCoarsest.asInstanceOf[FiniteDuration] | ||
| } else if (originalSeconds == 0) { | ||
| FiniteDuration(originalNanos, TimeUnit.NANOSECONDS).toCoarsest.asInstanceOf[FiniteDuration] | ||
| } else { | ||
| try { | ||
| val secondsAsNanos = Math.multiplyExact(originalSeconds, 1000000000) | ||
| val totalNanos = secondsAsNanos + originalNanos | ||
| if ((totalNanos < 0 && secondsAsNanos < 0) || (totalNanos > 0 && secondsAsNanos > 0)) | ||
| FiniteDuration(totalNanos, TimeUnit.NANOSECONDS).toCoarsest.asInstanceOf[FiniteDuration] | ||
| else | ||
| throw new ArithmeticException() | ||
| } catch { | ||
| case _: ArithmeticException => | ||
| throw new IllegalArgumentException(s"Java duration $duration cannot be expressed as a Scala duration") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Transform a Scala FiniteDuration into a Java duration. Note that the Scala duration keeps the time unit it was created | ||
| * with while a Java duration always is a pair of seconds and nanos, so the unit it lost. | ||
| */ | ||
| final def toJava(duration: scala.concurrent.duration.FiniteDuration): java.time.Duration = { | ||
| if (duration.length == 0) JavaDuration.ZERO | ||
| else duration.unit match { | ||
| case TimeUnit.NANOSECONDS => JavaDuration.ofNanos(duration.length) | ||
| case TimeUnit.MICROSECONDS => JavaDuration.of(duration.length, ChronoUnit.MICROS) | ||
| case TimeUnit.MILLISECONDS => JavaDuration.ofMillis(duration.length) | ||
| case TimeUnit.SECONDS => JavaDuration.ofSeconds(duration.length) | ||
| case TimeUnit.MINUTES => JavaDuration.ofMinutes(duration.length) | ||
| case TimeUnit.HOURS => JavaDuration.ofHours(duration.length) | ||
| case TimeUnit.DAYS => JavaDuration.ofDays(duration.length) | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters