Class/Object

com.twitter.algebird.util

Tunnel

Related Docs: object Tunnel | package util

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case class Tunnel[V](future: Future[V], promise: Promise[V]) extends Product with Serializable

The tunnel class represents a piece of computation that depends on the fulfilment of a promise. IMPORTANT: see apply, but Tunnels are mutable, and can only be fulfilled once. They are generally not reusable. Reusing a Tunnel in computation by a TunnelMonoid will cause the promise to be fulfilled more than once which will most likely lead to errors.

Source
TunnelMonoid.scala
Linear Supertypes
Serializable, Serializable, Product, Equals, AnyRef, Any
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  1. Tunnel
  2. Serializable
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Instance Constructors

  1. new Tunnel(future: Future[V], promise: Promise[V])

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Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
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  4. def apply(v: V): Future[V]

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    This takes in a value and updates the promise, fulfilling the chain of futures which depends on this final promise.

    This takes in a value and updates the promise, fulfilling the chain of futures which depends on this final promise. IMPORTANT: this can only be called once. In this way, it is dangerous to reuse Tunnel objects in Monoid code that might reuse objects.

  5. final def asInstanceOf[T0]: T0

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  6. def clone(): AnyRef

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    Attributes
    protected[java.lang]
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    @throws( ... )
  7. final def eq(arg0: AnyRef): Boolean

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    AnyRef
  8. def finalize(): Unit

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    protected[java.lang]
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    Annotations
    @throws( classOf[java.lang.Throwable] )
  9. val future: Future[V]

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  10. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  11. final def isInstanceOf[T0]: Boolean

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  12. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  13. final def notify(): Unit

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    Definition Classes
    AnyRef
  14. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  15. val promise: Promise[V]

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  16. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
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  17. final def wait(): Unit

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    @throws( ... )
  18. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )
  19. final def wait(arg0: Long): Unit

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    @throws( ... )
  20. def willEqual(other: Tunnel[V]): Future[Boolean]

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Inherited from Serializable

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from AnyRef

Inherited from Any

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