com.ing.baker.runtime.inmemory.InMemoryEventStream.scala Maven / Gradle / Ivy
package com.ing.baker.runtime.inmemory
import cats.effect.IO
import cats.effect.concurrent.Ref
import com.ing.baker.runtime.model.EventStream
import com.ing.baker.runtime.scaladsl.BakerEvent
import com.typesafe.scalalogging.LazyLogging
object InMemoryEventStream {
def build: IO[InMemoryEventStream] =
Ref.of[IO, List[BakerEvent => Unit]](List.empty).map(new InMemoryEventStream(_))
}
class InMemoryEventStream(store: Ref[IO, List[BakerEvent => Unit]]) extends EventStream[IO] with LazyLogging {
override def fetchListeners: IO[List[BakerEvent => Unit]] =
store.get
override def subscribe(listenerFunction: BakerEvent => Unit): IO[Unit] =
store.update(listenerFunction :: _)
}