Packages

class OnDataStream[T] extends AnyRef

Wraps a data stream, allowing to use anonymous partial functions to perform extraction of items in a tuple, case class instance or collection

T

The type of the data stream items

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Instance Constructors

  1. new OnDataStream(stream: DataStream[T])

    stream

    The wrapped data stream

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
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  2. final def ##(): Int
    Definition Classes
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  3. final def ==(arg0: Any): Boolean
    Definition Classes
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  4. final def asInstanceOf[T0]: T0
    Definition Classes
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  5. def clone(): AnyRef
    Attributes
    protected[lang]
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    @throws( ... ) @native() @HotSpotIntrinsicCandidate()
  6. final def eq(arg0: AnyRef): Boolean
    Definition Classes
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  7. def equals(arg0: Any): Boolean
    Definition Classes
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  8. def filterWith(fun: (T) ⇒ Boolean): DataStream[T]

    Applies a predicate fun to each item of the stream, keeping only those for which the predicate holds

    Applies a predicate fun to each item of the stream, keeping only those for which the predicate holds

    fun

    The predicate to be tested on each item

    returns

    A dataset of R

    Annotations
    @PublicEvolving()
  9. def flatMapWith[R](fun: (T) ⇒ TraversableOnce[R])(implicit arg0: TypeInformation[R]): DataStream[R]

    Applies a function fun to each item of the stream, producing a collection of items that will be flattened in the resulting stream

    Applies a function fun to each item of the stream, producing a collection of items that will be flattened in the resulting stream

    R

    The type of the items in the returned stream

    fun

    The function to be applied to each item

    returns

    A dataset of R

    Annotations
    @PublicEvolving()
  10. final def getClass(): Class[_]
    Definition Classes
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    @native() @HotSpotIntrinsicCandidate()
  11. def hashCode(): Int
    Definition Classes
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    @native() @HotSpotIntrinsicCandidate()
  12. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  13. def keyingBy[K](fun: (T) ⇒ K)(implicit arg0: TypeInformation[K]): KeyedStream[T, K]

    Keys the items according to a keying function fun

    Keys the items according to a keying function fun

    K

    The type of the key, for which type information must be known

    fun

    The keying function

    returns

    A stream of Ts keyed by Ks

    Annotations
    @PublicEvolving()
  14. def mapWith[R](fun: (T) ⇒ R)(implicit arg0: TypeInformation[R]): DataStream[R]

    Applies a function fun to each item of the stream

    Applies a function fun to each item of the stream

    R

    The type of the items in the returned stream

    fun

    The function to be applied to each item

    returns

    A dataset of R

    Annotations
    @PublicEvolving()
  15. final def ne(arg0: AnyRef): Boolean
    Definition Classes
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  16. final def notify(): Unit
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    @native() @HotSpotIntrinsicCandidate()
  17. final def notifyAll(): Unit
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    @native() @HotSpotIntrinsicCandidate()
  18. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
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  19. def toString(): String
    Definition Classes
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  20. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
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    @throws( ... )
  21. final def wait(arg0: Long): Unit
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    @throws( ... ) @native()
  22. final def wait(): Unit
    Definition Classes
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    @throws( ... )

Deprecated Value Members

  1. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
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    @throws( classOf[java.lang.Throwable] ) @Deprecated
    Deprecated

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