diff options
Diffstat (limited to 'kamon-core/src/main/scala/kamon/util/Timestamp.scala')
-rw-r--r-- | kamon-core/src/main/scala/kamon/util/Timestamp.scala | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/kamon-core/src/main/scala/kamon/util/Timestamp.scala b/kamon-core/src/main/scala/kamon/util/Timestamp.scala new file mode 100644 index 00000000..4ff031a6 --- /dev/null +++ b/kamon-core/src/main/scala/kamon/util/Timestamp.scala @@ -0,0 +1,85 @@ +package kamon.util + +/** + * Epoch time stamp. + */ +class Timestamp(val seconds: Long) extends AnyVal { + def <(that: Timestamp): Boolean = this.seconds < that.seconds + def >(that: Timestamp): Boolean = this.seconds > that.seconds + def ==(that: Timestamp): Boolean = this.seconds == that.seconds + def >=(that: Timestamp): Boolean = this.seconds >= that.seconds + def <=(that: Timestamp): Boolean = this.seconds <= that.seconds + + override def toString: String = String.valueOf(seconds) + ".seconds" +} + +object Timestamp { + def now: Timestamp = new Timestamp(System.currentTimeMillis() / 1000) + def earlier(l: Timestamp, r: Timestamp): Timestamp = if (l <= r) l else r + def later(l: Timestamp, r: Timestamp): Timestamp = if (l >= r) l else r +} + +/** + * Epoch time stamp in milliseconds. + */ +class MilliTimestamp(val millis: Long) extends AnyVal { + override def toString: String = String.valueOf(millis) + ".millis" + + def toTimestamp: Timestamp = new Timestamp(millis / 1000) + def toRelativeNanoTimestamp: RelativeNanoTimestamp = { + val diff = (System.currentTimeMillis() - millis) * 1000000 + new RelativeNanoTimestamp(System.nanoTime() - diff) + } +} + +object MilliTimestamp { + def now: MilliTimestamp = new MilliTimestamp(System.currentTimeMillis()) +} + +/** + * Epoch time stamp in nanoseconds. + * + * NOTE: This doesn't have any better precision than MilliTimestamp, it is just a convenient way to get a epoch + * timestamp in nanoseconds. + */ +class NanoTimestamp(val nanos: Long) extends AnyVal { + override def toString: String = String.valueOf(nanos) + ".nanos" +} + +object NanoTimestamp { + def now: NanoTimestamp = new NanoTimestamp(System.currentTimeMillis() * 1000000) +} + +/** + * Number of nanoseconds between a arbitrary origin timestamp provided by the JVM via System.nanoTime() + */ +class RelativeNanoTimestamp(val nanos: Long) extends AnyVal { + override def toString: String = String.valueOf(nanos) + ".nanos" + + def toMilliTimestamp: MilliTimestamp = + new MilliTimestamp(System.currentTimeMillis - ((System.nanoTime - nanos) / 1000000)) +} + +object RelativeNanoTimestamp { + def now: RelativeNanoTimestamp = new RelativeNanoTimestamp(System.nanoTime()) + def relativeTo(milliTimestamp: MilliTimestamp): RelativeNanoTimestamp = + new RelativeNanoTimestamp(now.nanos - (MilliTimestamp.now.millis - milliTimestamp.millis) * 1000000) +} + +/** + * Number of nanoseconds that passed between two points in time. + */ +class NanoInterval(val nanos: Long) extends AnyVal { + def <(that: NanoInterval): Boolean = this.nanos < that.nanos + def >(that: NanoInterval): Boolean = this.nanos > that.nanos + def ==(that: NanoInterval): Boolean = this.nanos == that.nanos + def >=(that: NanoInterval): Boolean = this.nanos >= that.nanos + def <=(that: NanoInterval): Boolean = this.nanos <= that.nanos + + override def toString: String = String.valueOf(nanos) + ".nanos" +} + +object NanoInterval { + def default: NanoInterval = new NanoInterval(0L) + def since(relative: RelativeNanoTimestamp): NanoInterval = new NanoInterval(System.nanoTime() - relative.nanos) +} |