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knobs

ZooKeeper

object ZooKeeper

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  9. def fromResource[F[_]](customConfig: List[KnobsResource])(k: (ResourceBox) ⇒ F[Unit])(implicit F: Effect[F], ec: ExecutionContext): F[Unit]

    IO-based API.

    IO-based API. Works just like withDefault except it loads configuration from specified resource.

    Example usage:

    import knobs._

    ZooKeeper.fromResource(List(Required(ClassPathResource("speech-service.conf")))) { r => for { cfg <- load(Required(r)) // Application code here } yield () }.run

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  15. final def notifyAll(): Unit
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  16. def safe[F[_]](k: (ResourceBox) ⇒ F[Unit], config: List[KnobsResource] = null)(implicit F: Effect[F], ec: ExecutionContext): F[Unit]
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  21. final def wait(arg0: Long): Unit
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  22. def watchEvent[F[_]](c: CuratorFramework, path: Path)(implicit F: Async[F]): Stream[F, WatchedEvent]

    A process that produces an event when the given path's data changes.

    A process that produces an event when the given path's data changes. This process only contains a single event. To subscribe to multiple events, call repeat on the result of this method. With only one event, we prevent multiple reloads occurring simultaneously in Watched znodes.

  23. def withDefault[F[_]](k: (ResourceBox) ⇒ F[Unit])(implicit F: Effect[F], ec: ExecutionContext): F[Unit]

    IO-based API.

    IO-based API. Loads the standard configuration from /usr/share/oncue/etc/zookeeper.cfg or, failing that, from the classpath at oncue/zookeeper.cfg.

    Expects zookeeper.connectionString to be defined in that cfg file, which is a string of the form "hostname:port".

    Expects zookeeper.pathToConfig to be defined as well, which is the zookeeper path to the ZNode that contains the configuration.

    Manages the lifecycle of the ZooKeeper connection for you.

    Usage example:

    import knobs._

    ZooKeeper.withDefault { r => for { cfg <- load(Required(r)) // Application code here } yield () }.run

  24. implicit def zkResource(implicit ec: ExecutionContext): Watchable[ZNode]

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