org.apache.gearpump.streaming.dsl

KVStream

Related Doc: package dsl

class KVStream[K, V] extends AnyRef

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Instance Constructors

  1. new KVStream(stream: Stream[(K, V)])

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

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  10. def groupByKey(parallism: Int = 1): Stream[(K, V)]

    Apply to Stream[Tuple2[K,V]] Group by the key of a KV tuple For (key, value) will groupby key

    Apply to Stream[Tuple2[K,V]] Group by the key of a KV tuple For (key, value) will groupby key

    returns

  11. def hashCode(): Int

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  12. final def isInstanceOf[T0]: Boolean

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

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  14. final def notify(): Unit

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  15. final def notifyAll(): Unit

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  16. def sum(implicit numeric: Numeric[V]): Stream[(K, V)]

    Sum the value of the tuples

    Sum the value of the tuples

    Apply to Stream[Tuple2[K,V]], V must be of type Number

    For input (key, value1), (key, value2), will generate (key, value1 + value2)

    returns

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

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  18. def toString(): String

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  19. final def wait(): Unit

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  20. final def wait(arg0: Long, arg1: Int): Unit

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  21. final def wait(arg0: Long): Unit

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