metrics: remove ObservableInstrumentBuilder

core/metrics/src/test/scala/org/typelevel/otel4s/metrics/ObservableSuite.scala

@@ -19,7 +19,7 @@ package metrics
 
 import cats.effect.IO
 import cats.effect.Ref
-import cats.effect.kernel.Resource
+import cats.effect.Resource
 import cats.syntax.all._
 import munit.CatsEffectSuite
 
@@ -31,7 +31,7 @@ class ObservableSuite extends CatsEffectSuite {
 
  for {
  _ <- new InMemoryObservableInstrumentBuilder[Double]
- .createWithCallback(instrument =>
+ .createObservableWithCallback(instrument =>
  instrument.record(2.0) *> instrument.record(3.0)
  )
  .use { r =>
@@ -52,7 +52,7 @@ class ObservableSuite extends CatsEffectSuite {
  for {
  counter <- Ref.of[IO, Int](0)
  _ <- new InMemoryObservableInstrumentBuilder[Int]
- .create(
+ .createObservable(
  counter
  .getAndUpdate(_ + 1)
  .map(x =>
@@ -99,37 +99,45 @@ object ObservableSuite {
  }
 
  class InMemoryObservableInstrumentBuilder[A]
- extends ObservableInstrumentBuilder[IO, A, InMemoryObservable[A]] {
+ extends ObservableGauge.Builder[IO, A] {
 
- type Self =
- ObservableInstrumentBuilder[IO, A, InMemoryObservable[A]]
+ type Self = ObservableGauge.Builder[IO, A]
 
  def withUnit(unit: String): Self = this
 
  def withDescription(description: String): Self = this
 
- def create(
- measurements: IO[List[Measurement[A]]]
+ def createObservable(
+ measurements: IO[Iterable[Measurement[A]]]
  ): Resource[IO, InMemoryObservable[A]] =
  Resource
  .eval(Ref.of[IO, List[Record[A]]](List.empty))
  .map(obs =>
  InMemoryObservable[A](
  recorder =>
  measurements.flatMap(
- _.traverse_(x => recorder.record(x.value, x.attributes))
+ _.toList.traverse_(x => recorder.record(x.value, x.attributes))
  ),
  obs
  )
  )
 
- def createWithCallback(
+ def createObservableWithCallback(
  cb: ObservableMeasurement[IO, A] => IO[Unit]
  ): Resource[IO, InMemoryObservable[A]] =
  Resource
  .eval(Ref.of[IO, List[Record[A]]](List.empty))
  .map(obs => InMemoryObservable[A](cb, obs))
 
+ def createWithCallback(
+ cb: ObservableMeasurement[IO, A] => IO[Unit]
+ ): Resource[IO, ObservableGauge] =
+ createObservableWithCallback(cb).as(new ObservableGauge {})
+
+ def create(
+ measurements: IO[Iterable[Measurement[A]]]
+ ): Resource[IO, ObservableGauge] =
+ createObservable(measurements).as(new ObservableGauge {})
  }
 
 }