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author | Ivan Topolnjak <ivantopo@gmail.com> | 2015-01-29 03:42:27 +0100 |
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committer | Ivan Topolnjak <ivantopo@gmail.com> | 2015-01-29 03:42:27 +0100 |
commit | a80034229b12d42b420a9b2cc10bf23f8c5f613b (patch) | |
tree | 812d3756ffb1dd74f014a07959c79fd2e651f943 /kamon-core/src/main/scala/kamon/metric/instrument/UnitOfMeasurement.scala | |
parent | 1f873f6f28b92db54d97ce82c967866de41008d1 (diff) | |
parent | edceb598dd986c7a0b22f2f89e8dc9f8c0da19e8 (diff) | |
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Merge branch 'wip/improve-metric-recorders-infrastructure'
Conflicts:
kamon-system-metrics/src/main/scala/kamon/system/SystemMetricsCollector.scala
Diffstat (limited to 'kamon-core/src/main/scala/kamon/metric/instrument/UnitOfMeasurement.scala')
-rw-r--r-- | kamon-core/src/main/scala/kamon/metric/instrument/UnitOfMeasurement.scala | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/kamon-core/src/main/scala/kamon/metric/instrument/UnitOfMeasurement.scala b/kamon-core/src/main/scala/kamon/metric/instrument/UnitOfMeasurement.scala new file mode 100644 index 00000000..cf6b8b4c --- /dev/null +++ b/kamon-core/src/main/scala/kamon/metric/instrument/UnitOfMeasurement.scala @@ -0,0 +1,55 @@ +package kamon.metric.instrument + +trait UnitOfMeasurement { + def name: String + def label: String + def factor: Double +} + +object UnitOfMeasurement { + case object Unknown extends UnitOfMeasurement { + val name = "unknown" + val label = "unknown" + val factor = 1D + } + + def isUnknown(uom: UnitOfMeasurement): Boolean = + uom == Unknown + + def isTime(uom: UnitOfMeasurement): Boolean = + uom.isInstanceOf[Time] + +} + +case class Time(factor: Double, label: String) extends UnitOfMeasurement { + val name = "time" + + /** + * Scale a value from this scale factor to a different scale factor. + * + * @param toUnit Time unit of the expected result. + * @param value Value to scale. + * @return Equivalent of value on the target time unit. + */ + def scale(toUnit: Time)(value: Long): Double = + (value * factor) / toUnit.factor +} + +object Time { + val Nanoseconds = Time(1E-9, "n") + val Microseconds = Time(1E-6, "µs") + val Milliseconds = Time(1E-3, "ms") + val Seconds = Time(1, "s") +} + +case class Memory(factor: Double, label: String) extends UnitOfMeasurement { + val name = "bytes" +} + +object Memory { + val Bytes = Memory(1, "b") + val KiloBytes = Memory(1024, "Kb") + val MegaBytes = Memory(1024E2, "Mb") + val GigaBytes = Memory(1024E3, "Gb") +} + |