Class

com.twitter.finagle.Stack

Module

Related Doc: package Stack

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abstract class Module[T] extends Stackable[T]

A convenience class to construct stackable modules. This variant operates over stacks and the entire parameter map. The ModuleN variants may be more convenient for most definitions as they operate over T types and the parameter extraction is derived from type parameters. ModuleParams is similar, except it requires parameters to be declared.

def myNode = new Module[Int=>Int]("myelem") {
  val role = "Multiplier"
  val description = "Multiplies values by a multiplier"
  val parameters = Seq(implicitly[Stack.Param[Multiplied]])
  def make(params: Params, next: Stack[Int=>Int]): Stack[Int=>Int] = {
    val Multiplier(m) = params[Multiplier]
    if (m == 1) next // It's a no-op, skip it.
    else Stack.leaf("multiply", i => next.make(params)(i)*m)
  }
}
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Instance Constructors

  1. new Module()

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Abstract Value Members

  1. abstract def description: String

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    The description of the functionality of the element.

    The description of the functionality of the element.

    Definition Classes
    Head
  2. abstract def make(params: Params, next: Stack[T]): Stack[T]

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  3. abstract def parameters: Seq[Param[_]]

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    The Params that the element is interested in.

    The Params that the element is interested in.

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    Head
  4. abstract def role: Role

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    The Role that the element can serve.

    The Role that the element can serve.

    Definition Classes
    Head

Concrete 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. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  9. final def getClass(): Class[_]

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  10. def hashCode(): Int

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  11. final def isInstanceOf[T0]: Boolean

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

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  13. final def notify(): Unit

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  14. final def notifyAll(): Unit

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

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  16. def toStack(next: Stack[T]): Stack[T]

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    Definition Classes
    ModuleStackable
  17. def toString(): String

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  18. final def wait(): Unit

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

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

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Inherited from Stackable[T]

Inherited from Head

Inherited from AnyRef

Inherited from Any

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