Trait/Object

com.twitter.summingbird.scalding.service

UniqueKeyedService

Related Docs: object UniqueKeyedService | package service

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trait UniqueKeyedService[K, V] extends SimpleService[K, V]

A UniqueKeyedService covers the case where Keys are globally unique and either are not present or have one value. Examples could be Keys which are Unique IDs, such as UserIDs, content IDs, cryptographic hashes, etc...

Linear Supertypes
SimpleService[K, V], ExternalService[K, V], Service[K, V], Serializable, AnyRef, Any
Known Subclasses
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Inherited
  1. UniqueKeyedService
  2. SimpleService
  3. ExternalService
  4. Service
  5. Serializable
  6. AnyRef
  7. Any
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Visibility
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Abstract Value Members

  1. abstract def ordering: Ordering[K]

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  2. abstract def readDateRange(requested: DateRange)(implicit flowDef: FlowDef, mode: Mode): TypedPipe[(K, V)]

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    Load the range of data to do a join

  3. abstract def reducers: Option[Int]

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  4. abstract def satisfiable(requested: DateRange, mode: Mode): Try[DateRange]

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    Return the maximum subset of the requested range that can be handled

    Return the maximum subset of the requested range that can be handled

    Definition Classes
    SimpleService

Concrete Value Members

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

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

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

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    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  5. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  6. def doJoin[W](in: TypedPipe[(Timestamp, (K, W))], serv: TypedPipe[(K, V)])(implicit flowDef: FlowDef, mode: Mode): TypedPipe[(Timestamp, (K, (W, Option[V])))]

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    You can override this to use hashJoin for instance

  7. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  8. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  9. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  10. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  11. def hashCode(): Int

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

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    Definition Classes
    Any
  13. final def lookup[W](getKeys: PipeFactory[(K, W)]): PipeFactory[(K, (W, Option[V]))]

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    Definition Classes
    SimpleServiceExternalService
  14. final def ne(arg0: AnyRef): Boolean

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

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

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    Definition Classes
    AnyRef
  17. final def serve[W](covering: DateRange, input: TypedPipe[(Timestamp, (K, W))])(implicit flowDef: FlowDef, mode: Mode): TypedPipe[(Timestamp, (K, (W, Option[V])))]

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    Definition Classes
    UniqueKeyedServiceSimpleService
  18. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  19. def toString(): String

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    Definition Classes
    AnyRef → Any
  20. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  21. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  22. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from SimpleService[K, V]

Inherited from ExternalService[K, V]

Inherited from Service[K, V]

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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