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t

org.yupana.core

MapReducible

trait MapReducible[Collection[_]] extends Serializable

Defines basic operations on Collection

Collection

collection for which operations are defined

Linear Supertypes
Serializable, AnyRef, Any
Known Subclasses
IteratorMapReducible
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Abstract Value Members

  1. abstract def aggregate[A, B](c: Collection[A])(createZero: (A) => B, seqOp: (B, A) => B, combOp: (B, B) => B)(implicit arg0: ClassTag[A], arg1: ClassTag[B]): Collection[B]
  2. abstract def aggregateByKey[K, A, B](c: Collection[(K, A)])(createZero: (A) => B, seqOp: (B, A) => B, combOp: (B, B) => B)(implicit arg0: ClassTag[K], arg1: ClassTag[A], arg2: ClassTag[B]): Collection[(K, B)]
  3. abstract def aggregateDatasets(c: Collection[BatchDataset], queryContext: QueryContext)(foldOp: (HashTableDataset, BatchDataset) => Unit, combOp: (HashTableDataset, BatchDataset) => Unit): Collection[BatchDataset]
  4. abstract def batchFlatMap[A, B](c: Collection[A], size: Int)(f: (Seq[A]) => IterableOnce[B])(implicit arg0: ClassTag[B]): Collection[B]
  5. abstract def concat[A](a: Collection[A], b: Collection[A])(implicit arg0: ClassTag[A]): Collection[A]
  6. abstract def distinct[A](c: Collection[A])(implicit arg0: ClassTag[A]): Collection[A]
  7. abstract def empty[A](implicit arg0: ClassTag[A]): Collection[A]
  8. abstract def filter[A](c: Collection[A])(f: (A) => Boolean)(implicit arg0: ClassTag[A]): Collection[A]
  9. abstract def flatMap[A, B](mr: Collection[A])(f: (A) => Iterable[B])(implicit arg0: ClassTag[A], arg1: ClassTag[B]): Collection[B]
  10. abstract def fold[A](c: Collection[A])(zero: A)(f: (A, A) => A)(implicit arg0: ClassTag[A]): A
  11. abstract def fromSeq[A](seq: Seq[A])(implicit arg0: ClassTag[A]): Collection[A]
  12. abstract def limit(c: Collection[BatchDataset])(n: Int): Collection[BatchDataset]
  13. abstract def map[A, B](c: Collection[A])(f: (A) => B)(implicit arg0: ClassTag[A], arg1: ClassTag[B]): Collection[B]
  14. abstract def materialize[A](c: Collection[A])(implicit arg0: ClassTag[A]): Seq[A]
  15. abstract def reduce[A](c: Collection[A])(f: (A, A) => A)(implicit arg0: ClassTag[A]): A
  16. abstract def reduceByKey[K, V](c: Collection[(K, V)])(f: (V, V) => V)(implicit arg0: ClassTag[K], arg1: ClassTag[V]): Collection[(K, V)]
  17. abstract def singleton[A](a: A)(implicit arg0: ClassTag[A]): Collection[A]

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  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
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    Any
  5. def clone(): AnyRef
    Attributes
    protected[lang]
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    @throws(classOf[java.lang.CloneNotSupportedException]) @IntrinsicCandidate() @native()
  6. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  7. def equals(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef → Any
  8. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
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    Annotations
    @IntrinsicCandidate() @native()
  9. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @IntrinsicCandidate() @native()
  10. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  11. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  12. final def notify(): Unit
    Definition Classes
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    Annotations
    @IntrinsicCandidate() @native()
  13. final def notifyAll(): Unit
    Definition Classes
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    @IntrinsicCandidate() @native()
  14. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
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  15. def toString(): String
    Definition Classes
    AnyRef → Any
  16. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
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    Annotations
    @throws(classOf[java.lang.InterruptedException])
  17. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
  18. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])

Deprecated Value Members

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

    (Since version 9)

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