Packages

object Accumulator extends AsJava

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AsJava, AsJavaConverters, AnyRef, Any
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  1. Accumulator
  2. AsJava
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Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def addToSet[T](fieldName: String, expression: T): Accumulator
  5. def apply(fieldName: String, initFunction: String, accumulateFunction: String, mergeFunction: String, initArgs: List[String] = Nil, accumulateArgs: List[String] = Nil, finalizeFunction: Option[String] = None, lang: String = "jr"): Accumulator

    Creates an $accumulator pipeline stage

    Creates an $accumulator pipeline stage

    fieldName

    the field name

    initFunction

    a function used to initialize the state

    accumulateFunction

    a function used to accumulate documents

    mergeFunction

    a function used to merge two internal states, e.g. accumulated on different shards or threads. It returns the resulting state of the accumulator.

    initArgs

    init function’s arguments

    accumulateArgs

    additional accumulate function’s arguments. The first argument to the function is ‘state’.

    finalizeFunction

    a function used to finalize the state and return the result

    lang

    a language specifier

    returns

    the $accumulator pipeline stage https://docs.mongodb.com/manual/reference/operator/aggregation/accumulator/

    Since

    4.1

  6. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  7. def asJava[K, V](m: Map[K, V]): ConcurrentMap[K, V]
    Definition Classes
    AsJava
  8. def asJava[K, V](m: Map[K, V]): Map[K, V]
    Definition Classes
    AsJava
  9. def asJava[K, V](m: Map[K, V]): Map[K, V]
    Definition Classes
    AsJava
  10. def asJava[A](s: Set[A]): Set[A]
    Definition Classes
    AsJava
  11. def asJava[A](s: Set[A]): Set[A]
    Definition Classes
    AsJava
  12. def asJava[A](s: Seq[A]): List[A]
    Definition Classes
    AsJava
  13. def asJava[A](s: Seq[A]): List[A]
    Definition Classes
    AsJava
  14. def asJava[A](b: Buffer[A]): List[A]
    Definition Classes
    AsJava
  15. def asJava[A](i: Iterable[A]): Iterable[A]
    Definition Classes
    AsJava
  16. def asJava[A](i: Iterator[A]): Iterator[A]
    Definition Classes
    AsJava
  17. def asJavaCollection[A](i: Iterable[A]): Collection[A]
    Definition Classes
    AsJavaConverters
  18. def asJavaDictionary[A, B](m: Map[A, B]): Dictionary[A, B]
    Definition Classes
    AsJavaConverters
  19. def asJavaEnumeration[A](i: Iterator[A]): Enumeration[A]
    Definition Classes
    AsJavaConverters
  20. def asJavaIterable[A](i: Iterable[A]): Iterable[A]
    Definition Classes
    AsJavaConverters
  21. def asJavaIterator[A](i: Iterator[A]): Iterator[A]
    Definition Classes
    AsJavaConverters
  22. def avg[T](fieldName: String, expression: T): Accumulator
  23. def bufferAsJavaList[A](b: Buffer[A]): List[A]
    Definition Classes
    AsJavaConverters
  24. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native() @IntrinsicCandidate()
  25. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  26. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  27. def first[T](fieldName: String, expression: T): Accumulator
  28. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @IntrinsicCandidate()
  29. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @IntrinsicCandidate()
  30. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  31. def last[T](fieldName: String, expression: T): Accumulator
  32. def mapAsJavaConcurrentMap[A, B](m: Map[A, B]): ConcurrentMap[A, B]
    Definition Classes
    AsJavaConverters
  33. def mapAsJavaMap[A, B](m: Map[A, B]): Map[A, B]
    Definition Classes
    AsJavaConverters
  34. def max[T](fieldName: String, expression: T): Accumulator
  35. def min[T](fieldName: String, expression: T): Accumulator
  36. def mutableMapAsJavaMap[A, B](m: Map[A, B]): Map[A, B]
    Definition Classes
    AsJavaConverters
  37. def mutableSeqAsJavaList[A](s: Seq[A]): List[A]
    Definition Classes
    AsJavaConverters
  38. def mutableSetAsJavaSet[A](s: Set[A]): Set[A]
    Definition Classes
    AsJavaConverters
  39. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  40. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @IntrinsicCandidate()
  41. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @IntrinsicCandidate()
  42. def push[T](fieldName: String, expression: T): Accumulator
  43. def seqAsJavaList[A](s: Seq[A]): List[A]
    Definition Classes
    AsJavaConverters
  44. def setAsJavaSet[A](s: Set[A]): Set[A]
    Definition Classes
    AsJavaConverters
  45. def stdDevPop[T](fieldName: String, expression: T): Accumulator
  46. def stdDevSamp[T](fieldName: String, expression: T): Accumulator
  47. def sum[T](fieldName: String, expression: T): Accumulator
  48. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  49. def toString(): String
    Definition Classes
    AnyRef → Any
  50. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  51. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  52. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Deprecated Value Members

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

Inherited from AsJava

Inherited from AsJavaConverters

Inherited from AnyRef

Inherited from Any

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