monix.reactive.internal.builders.TaskAsObservable.scala Maven / Gradle / Ivy

Go to download
/*
 * Copyright (c) 2014-2016 by its authors. Some rights reserved.
 * See the project homepage at: https://monix.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package monix.reactive.internal.builders

import monix.execution.Cancelable
import monix.reactive.Observable
import monix.reactive.observers.Subscriber
import monix.eval.{Callback, Task}

private[reactive] final
class TaskAsObservable[+A](task: Task[A]) extends Observable[A] {
  def unsafeSubscribeFn(subscriber: Subscriber[A]): Cancelable = {
    import subscriber.scheduler

    task.runAsync(new Callback[A] {
      def onSuccess(value: A): Unit = {
        subscriber.onNext(value)
        subscriber.onComplete()
      }

      def onError(ex: Throwable): Unit = {
        subscriber.onError(ex)
      }
    })
  }
}