zio.telemetry.opentelemetry.metrics.ObservableMeasurement.scala Maven / Gradle / Ivy
package zio.telemetry.opentelemetry.metrics
import io.opentelemetry.api
import io.opentelemetry.api.common.Attributes
import zio._
/**
* An instrument for observing measurements with values of type `A`
*
* @tparam A
* according to the specification, it can be either [[scala.Long]] or [[scala.Double]] type
*/
trait ObservableMeasurement[-A] {
def record0(value: A, attributes: Attributes = Attributes.empty): Unit
/**
* Records a measurement.
*
* @param value
* measurement value
* @param attributes
* set of attributes to associate with the value
*/
def record(value: A, attributes: Attributes = Attributes.empty)(implicit trace: Trace): Task[Unit] =
ZIO.succeed(record0(value, attributes))
}
object ObservableMeasurement {
private[metrics] def long(om: api.metrics.ObservableLongMeasurement): ObservableMeasurement[Long] =
new ObservableMeasurement[Long] {
override def record0(value: Long, attributes: Attributes): Unit =
om.record(value, attributes)
}
private[metrics] def double(om: api.metrics.ObservableDoubleMeasurement): ObservableMeasurement[Double] =
new ObservableMeasurement[Double] {
override def record0(value: Double, attributes: Attributes): Unit =
om.record(value, attributes)
}
}