Packages

object Status

Define valid Status! values. They are, in order from most to least healthy:

  • Open
  • Busy
  • Closed

(An scala.math.Ordering is defined in these terms.)

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Type Members

  1. class ClosedException extends Exception with NoStackTrace

Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. implicit val StatusOrdering: Ordering[Status]
  5. final def asInstanceOf[T0]: T0
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  6. def awaitOpen(get: ⇒ Status): Unit

    A blocking version of whenOpen; this method returns when the status has become Open.

    A blocking version of whenOpen; this method returns when the status has become Open. This call blocks and should only be used outside of Finagle threads to halt progress until the status is Open.

    Exceptions thrown

    [[ClosedException]] if the status becomes Closed.

  7. def best(left: Status, right: Status): Status

    A composite status indicating the most healthy of the two.

  8. def bestOf[T](ts: Iterable[T], status: (T) ⇒ Status): Status

    The status representing the best of the given statuses extracted by status on ts.

    The status representing the best of the given statuses extracted by status on ts.

    Note

    this may terminate early so don't rely on this method for running side effects on ts

  9. def clone(): AnyRef
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    @throws( ... ) @native()
  10. final def eq(arg0: AnyRef): Boolean
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  11. def equals(arg0: Any): Boolean
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  12. def finalize(): Unit
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    protected[lang]
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    @throws( classOf[java.lang.Throwable] )
  13. final def getClass(): Class[_]
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    @native()
  14. def hashCode(): Int
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    @native()
  15. final def isInstanceOf[T0]: Boolean
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  16. final def ne(arg0: AnyRef): Boolean
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  17. final def notify(): Unit
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    @native()
  18. final def notifyAll(): Unit
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    @native()
  19. final def synchronized[T0](arg0: ⇒ T0): T0
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  20. def toString(): String
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  21. final def wait(): Unit
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    @throws( ... )
  22. final def wait(arg0: Long, arg1: Int): Unit
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    @throws( ... )
  23. final def wait(arg0: Long): Unit
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    @throws( ... ) @native()
  24. def whenOpen(get: ⇒ Status): Future[Unit]

    Open returns a com.twitter.util.Future that is satisfied when the status returned by get is Open.

    Open returns a com.twitter.util.Future that is satisfied when the status returned by get is Open. It returns an exceptional com.twitter.util.Future should it be Closed.

    whenOpen polls the underlying status, using exponential backoffs from 1ms to around 1s.

  25. def worst(left: Status, right: Status): Status

    A composite status indicating the least healthy of the two.

  26. def worstOf[T](ts: Iterable[T], status: (T) ⇒ Status): Status

    The status representing the worst of the given statuses extracted by status on ts.

    The status representing the worst of the given statuses extracted by status on ts.

    Note

    this may terminate early so don't rely on this method for running side effects on ts

  27. object Busy extends Status with Product with Serializable

    A busy Service or ServiceFactory is transiently unavailable.

    A busy Service or ServiceFactory is transiently unavailable. A Busy Service or ServiceFactory can be used, but may not provide service immediately.

  28. object Closed extends Status with Product with Serializable

    The Service or ServiceFactory is closed.

    The Service or ServiceFactory is closed. It will never service requests or sessions again. (And should probably be discarded.)

  29. object Open extends Status with Product with Serializable

    An open Service or ServiceFactory is ready to be used.

    An open Service or ServiceFactory is ready to be used. It can service requests or sessions immediately.

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