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Helper to pretty print scala Duration
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| package com.intenthq.elasticsearchwriter.duration | |
| import java.util.Locale | |
| import java.util.concurrent.TimeUnit | |
| import scala.concurrent.duration._ | |
| object PrettyDuration { | |
| private val abbreviate = Map( | |
| NANOSECONDS -> "ns", | |
| MICROSECONDS -> "μs", | |
| MILLISECONDS -> "ms", | |
| SECONDS -> "s", | |
| MINUTES -> "min", | |
| HOURS -> "h", | |
| DAYS -> "d" | |
| ) | |
| private val units = TimeUnit.values.reverse | |
| implicit class PrettyPrintableDuration(duration: Duration) { | |
| def pretty: String = pretty() | |
| def pretty(precision: Int = 4): String = duration match { | |
| case d: FiniteDuration => | |
| val chosenUnit = units.find(_.convert(d.length, d.unit) > 0).getOrElse(NANOSECONDS) | |
| val value = d.toUnit(chosenUnit) | |
| s"%.${precision}g %s".formatLocal(Locale.ROOT, value, abbreviate(chosenUnit)) | |
| case Duration.MinusInf => s"-∞ (minus infinity)" | |
| case Duration.Inf => s"∞ (infinity)" | |
| case _ => s"undefined" | |
| } | |
| } | |
| } |
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