How to use

toTry

method

in

com.oath.cyclops.types.reactive.ValueSubscriber

/**
 * Extact one value from the selected pipe or an zero Maybe if it doesn't exist. Currently only Adapter's and not Publishers
 * are managed by Pipes so Publisher errors are not propagated (@see {@link Pipes#oneValue(Object)} or @see {@link Pipes#oneOrError(Object)} is better at the moment.
 *
 *  <pre>
 *  {@code
 *  Queue<String> q = new Queue<>();
  pipes.register("hello", q);
  pipes.push("hello", "world");
  pipes.push("hello", "world2");
  pipes.oneValueOrError("hello").getValue(); //Try["world"]
 *  }
 *  </pre>
 *
 * @param key : Adapter identifier
 * @return
 */
@Deprecated //errors aren't propagated across Adapters (at least without continuations)
public Option<Try<V, Throwable>> oneValueOrError(final K key) {
  final ValueSubscriber<V> sub = ValueSubscriber.subscriber();
  return get(key).peek(a -> a.stream()
                .subscribe(sub))
          .map(a -> sub.toTry(Throwable.class));
}

/**
 * Extact one value from the selected pipe or an zero Maybe if it doesn't exist. Currently only Adapter's and not Publishers
 * are managed by Pipes so Publisher errors are not propagated (@see {@link Pipes#oneValue(Object)} or @see {@link Pipes#oneOrError(Object)} is better at the moment.
 *
 *  <pre>
 *  {@code
 *  Queue<String> q = new Queue<>();
  pipes.register("hello", q);
  pipes.push("hello", "world");
  pipes.push("hello", "world2");
  pipes.oneValueOrError("hello",Throwable.class).getValue(); //Try["world"]
 *  }
 *  </pre>
 *
 * @param key
 * @param classes
 * @return
 */
@Deprecated //errors aren't propagated across Adapters (at least without continuations)
public <X extends Throwable> Option<Try<V, X>> oneValueOrError(final K key, final Class<X>... classes) {
  final ValueSubscriber<V> sub = ValueSubscriber.subscriber();
  return get(key).peek(a -> a.stream()
                .subscribe(sub))
          .map(a -> sub.toTry(classes));
}