odkl.analysis.spark.util.collection

OpenHashMap

class OpenHashMap[K, V] extends Iterable[(K, V)] with Serializable

:: DeveloperApi :: A fast hash map implementation for nullable keys. This hash map supports insertions and updates, but not deletions. This map is about 5X faster than java.util.HashMap, while using much less space overhead.

Under the hood, it uses our OpenHashSet implementation.

Annotations
@SerialVersionUID( 1L )
Linear Supertypes
Serializable, Serializable, Iterable[(K, V)], IterableLike[(K, V), Iterable[(K, V)]], Equals, GenIterable[(K, V)], GenIterableLike[(K, V), Iterable[(K, V)]], Traversable[(K, V)], GenTraversable[(K, V)], GenericTraversableTemplate[(K, V), Iterable], TraversableLike[(K, V), Iterable[(K, V)]], GenTraversableLike[(K, V), Iterable[(K, V)]], Parallelizable[(K, V), ParIterable[(K, V)]], TraversableOnce[(K, V)], GenTraversableOnce[(K, V)], FilterMonadic[(K, V), Iterable[(K, V)]], HasNewBuilder[(K, V), Iterable[(K, V)]], AnyRef, Any
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Inherited
  1. OpenHashMap
  2. Serializable
  3. Serializable
  4. Iterable
  5. IterableLike
  6. Equals
  7. GenIterable
  8. GenIterableLike
  9. Traversable
  10. GenTraversable
  11. GenericTraversableTemplate
  12. TraversableLike
  13. GenTraversableLike
  14. Parallelizable
  15. TraversableOnce
  16. GenTraversableOnce
  17. FilterMonadic
  18. HasNewBuilder
  19. AnyRef
  20. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new OpenHashMap()(implicit arg0: ClassTag[K], arg1: ClassTag[V])

  2. new OpenHashMap(initialCapacity: Int)(implicit arg0: ClassTag[K], arg1: ClassTag[V])

Type Members

  1. type Self = Iterable[(K, V)]

    Attributes
    protected[this]
    Definition Classes
    TraversableLike
  2. class WithFilter extends FilterMonadic[A, Repr]

    Definition Classes
    TraversableLike

Value Members

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

    Definition Classes
    AnyRef
  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. def ++[B >: (K, V), That](that: GenTraversableOnce[B])(implicit bf: CanBuildFrom[Iterable[(K, V)], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
  5. def ++:[B >: (K, V), That](that: Traversable[B])(implicit bf: CanBuildFrom[Iterable[(K, V)], B, That]): That

    Definition Classes
    TraversableLike
  6. def ++:[B >: (K, V), That](that: TraversableOnce[B])(implicit bf: CanBuildFrom[Iterable[(K, V)], B, That]): That

    Definition Classes
    TraversableLike
  7. def /:[B](z: B)(op: (B, (K, V)) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  8. def :\[B](z: B)(op: ((K, V), B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  9. final def ==(arg0: AnyRef): Boolean

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

    Definition Classes
    Any
  11. var _keySet: OpenHashSet[K]

    Attributes
    protected
  12. def addString(b: StringBuilder): StringBuilder

    Definition Classes
    TraversableOnce
  13. def addString(b: StringBuilder, sep: String): StringBuilder

    Definition Classes
    TraversableOnce
  14. def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder

    Definition Classes
    TraversableOnce
  15. def aggregate[B](z: B)(seqop: (B, (K, V)) ⇒ B, combop: (B, B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  16. def apply(k: K): V

    Get the value for a given key

  17. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  18. def canEqual(that: Any): Boolean

    Definition Classes
    IterableLike → Equals
  19. def changeValue(k: K, defaultValue: ⇒ V, mergeValue: (V) ⇒ V): V

    If the key doesn't exist yet in the hash map, set its value to defaultValue; otherwise, set its value to mergeValue(oldValue).

    If the key doesn't exist yet in the hash map, set its value to defaultValue; otherwise, set its value to mergeValue(oldValue).

    returns

    the newly updated value.

  20. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  21. def collect[B, That](pf: PartialFunction[(K, V), B])(implicit bf: CanBuildFrom[Iterable[(K, V)], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
  22. def collectFirst[B](pf: PartialFunction[(K, V), B]): Option[B]

    Definition Classes
    TraversableOnce
  23. def companion: GenericCompanion[Iterable]

    Definition Classes
    Iterable → GenIterable → Traversable → GenTraversable → GenericTraversableTemplate
  24. def contains(k: K): Boolean

    Tests whether this map contains a binding for a key.

  25. def copyToArray[B >: (K, V)](xs: Array[B], start: Int, len: Int): Unit

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  26. def copyToArray[B >: (K, V)](xs: Array[B]): Unit

    Definition Classes
    TraversableOnce → GenTraversableOnce
  27. def copyToArray[B >: (K, V)](xs: Array[B], start: Int): Unit

    Definition Classes
    TraversableOnce → GenTraversableOnce
  28. def copyToBuffer[B >: (K, V)](dest: Buffer[B]): Unit

    Definition Classes
    TraversableOnce
  29. def count(p: ((K, V)) ⇒ Boolean): Int

    Definition Classes
    TraversableOnce → GenTraversableOnce
  30. def drop(n: Int): Iterable[(K, V)]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  31. def dropRight(n: Int): Iterable[(K, V)]

    Definition Classes
    IterableLike
  32. def dropWhile(p: ((K, V)) ⇒ Boolean): Iterable[(K, V)]

    Definition Classes
    TraversableLike → GenTraversableLike
  33. final def eq(arg0: AnyRef): Boolean

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

    Definition Classes
    AnyRef → Any
  35. def exists(p: ((K, V)) ⇒ Boolean): Boolean

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  36. def filter(p: ((K, V)) ⇒ Boolean): Iterable[(K, V)]

    Definition Classes
    TraversableLike → GenTraversableLike
  37. def filterNot(p: ((K, V)) ⇒ Boolean): Iterable[(K, V)]

    Definition Classes
    TraversableLike → GenTraversableLike
  38. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  39. def find(p: ((K, V)) ⇒ Boolean): Option[(K, V)]

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  40. def flatMap[B, That](f: ((K, V)) ⇒ GenTraversableOnce[B])(implicit bf: CanBuildFrom[Iterable[(K, V)], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike → FilterMonadic
  41. def flatten[B](implicit asTraversable: ((K, V)) ⇒ GenTraversableOnce[B]): Iterable[B]

    Definition Classes
    GenericTraversableTemplate
  42. def fold[A1 >: (K, V)](z: A1)(op: (A1, A1) ⇒ A1): A1

    Definition Classes
    TraversableOnce → GenTraversableOnce
  43. def foldLeft[B](z: B)(op: (B, (K, V)) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  44. def foldRight[B](z: B)(op: ((K, V), B) ⇒ B): B

    Definition Classes
    IterableLike → TraversableOnce → GenTraversableOnce
  45. def forall(p: ((K, V)) ⇒ Boolean): Boolean

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  46. def foreach[U](f: ((K, V)) ⇒ U): Unit

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike → TraversableOnce → GenTraversableOnce → FilterMonadic
  47. def genericBuilder[B]: Builder[B, Iterable[B]]

    Definition Classes
    GenericTraversableTemplate
  48. def get(k: K): Option[V]

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

    Definition Classes
    AnyRef → Any
  50. def getOrElse[V1 >: V](k: K, default: ⇒ V1): V1

  51. def groupBy[K](f: ((K, V)) ⇒ K): Map[K, Iterable[(K, V)]]

    Definition Classes
    TraversableLike → GenTraversableLike
  52. def grouped(size: Int): Iterator[Iterable[(K, V)]]

    Definition Classes
    IterableLike
  53. var grow: (Int) ⇒ Unit

    Attributes
    protected
  54. def hasDefiniteSize: Boolean

    Definition Classes
    TraversableLike → TraversableOnce → GenTraversableOnce
  55. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  56. def head: (K, V)

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  57. def headOption: Option[(K, V)]

    Definition Classes
    TraversableLike → GenTraversableLike
  58. def init: Iterable[(K, V)]

    Definition Classes
    TraversableLike → GenTraversableLike
  59. def inits: Iterator[Iterable[(K, V)]]

    Definition Classes
    TraversableLike
  60. def isEmpty: Boolean

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  61. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  62. final def isTraversableAgain: Boolean

    Definition Classes
    TraversableLike → GenTraversableLike → GenTraversableOnce
  63. def iterator: Iterator[(K, V)]

    Definition Classes
    OpenHashMap → IterableLike → GenIterableLike
  64. def last: (K, V)

    Definition Classes
    TraversableLike → GenTraversableLike
  65. def lastOption: Option[(K, V)]

    Definition Classes
    TraversableLike → GenTraversableLike
  66. def map[B, That](f: ((K, V)) ⇒ B)(implicit bf: CanBuildFrom[Iterable[(K, V)], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike → FilterMonadic
  67. def max[B >: (K, V)](implicit cmp: Ordering[B]): (K, V)

    Definition Classes
    TraversableOnce → GenTraversableOnce
  68. def maxBy[B](f: ((K, V)) ⇒ B)(implicit cmp: Ordering[B]): (K, V)

    Definition Classes
    TraversableOnce → GenTraversableOnce
  69. def min[B >: (K, V)](implicit cmp: Ordering[B]): (K, V)

    Definition Classes
    TraversableOnce → GenTraversableOnce
  70. def minBy[B](f: ((K, V)) ⇒ B)(implicit cmp: Ordering[B]): (K, V)

    Definition Classes
    TraversableOnce → GenTraversableOnce
  71. def mkString: String

    Definition Classes
    TraversableOnce → GenTraversableOnce
  72. def mkString(sep: String): String

    Definition Classes
    TraversableOnce → GenTraversableOnce
  73. def mkString(start: String, sep: String, end: String): String

    Definition Classes
    TraversableOnce → GenTraversableOnce
  74. var move: (Int, Int) ⇒ Unit

    Attributes
    protected
  75. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  76. def newBuilder: Builder[(K, V), Iterable[(K, V)]]

    Attributes
    protected[this]
    Definition Classes
    GenericTraversableTemplate → HasNewBuilder
  77. def nonEmpty: Boolean

    Definition Classes
    TraversableOnce → GenTraversableOnce
  78. final def notify(): Unit

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

    Definition Classes
    AnyRef
  80. def par: ParIterable[(K, V)]

    Definition Classes
    Parallelizable
  81. def parCombiner: Combiner[(K, V), ParIterable[(K, V)]]

    Attributes
    protected[this]
    Definition Classes
    TraversableLike → Parallelizable
  82. def partition(p: ((K, V)) ⇒ Boolean): (Iterable[(K, V)], Iterable[(K, V)])

    Definition Classes
    TraversableLike → GenTraversableLike
  83. def product[B >: (K, V)](implicit num: Numeric[B]): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  84. def reduce[A1 >: (K, V)](op: (A1, A1) ⇒ A1): A1

    Definition Classes
    TraversableOnce → GenTraversableOnce
  85. def reduceLeft[B >: (K, V)](op: (B, (K, V)) ⇒ B): B

    Definition Classes
    TraversableOnce
  86. def reduceLeftOption[B >: (K, V)](op: (B, (K, V)) ⇒ B): Option[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  87. def reduceOption[A1 >: (K, V)](op: (A1, A1) ⇒ A1): Option[A1]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  88. def reduceRight[B >: (K, V)](op: ((K, V), B) ⇒ B): B

    Definition Classes
    IterableLike → TraversableOnce → GenTraversableOnce
  89. def reduceRightOption[B >: (K, V)](op: ((K, V), B) ⇒ B): Option[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  90. def repr: Iterable[(K, V)]

    Definition Classes
    TraversableLike → GenTraversableLike
  91. def reversed: List[(K, V)]

    Attributes
    protected[this]
    Definition Classes
    TraversableOnce
  92. def sameElements[B >: (K, V)](that: GenIterable[B]): Boolean

    Definition Classes
    IterableLike → GenIterableLike
  93. def scan[B >: (K, V), That](z: B)(op: (B, B) ⇒ B)(implicit cbf: CanBuildFrom[Iterable[(K, V)], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
  94. def scanLeft[B, That](z: B)(op: (B, (K, V)) ⇒ B)(implicit bf: CanBuildFrom[Iterable[(K, V)], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
  95. def scanRight[B, That](z: B)(op: ((K, V), B) ⇒ B)(implicit bf: CanBuildFrom[Iterable[(K, V)], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
    Annotations
    @migration
    Migration

    (Changed in version 2.9.0) The behavior of scanRight has changed. The previous behavior can be reproduced with scanRight.reverse.

  96. def seq: Iterable[(K, V)]

    Definition Classes
    Iterable → GenIterable → Traversable → GenTraversable → Parallelizable → TraversableOnce → GenTraversableOnce
  97. def size: Int

    Definition Classes
    OpenHashMap → GenTraversableLike → TraversableOnce → GenTraversableOnce
  98. def slice(from: Int, until: Int): Iterable[(K, V)]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  99. def sliding(size: Int, step: Int): Iterator[Iterable[(K, V)]]

    Definition Classes
    IterableLike
  100. def sliding(size: Int): Iterator[Iterable[(K, V)]]

    Definition Classes
    IterableLike
  101. def span(p: ((K, V)) ⇒ Boolean): (Iterable[(K, V)], Iterable[(K, V)])

    Definition Classes
    TraversableLike → GenTraversableLike
  102. def splitAt(n: Int): (Iterable[(K, V)], Iterable[(K, V)])

    Definition Classes
    TraversableLike → GenTraversableLike
  103. def stringPrefix: String

    Definition Classes
    TraversableLike → GenTraversableLike
  104. def sum[B >: (K, V)](implicit num: Numeric[B]): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  105. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  106. def tail: Iterable[(K, V)]

    Definition Classes
    TraversableLike → GenTraversableLike
  107. def tails: Iterator[Iterable[(K, V)]]

    Definition Classes
    TraversableLike
  108. def take(n: Int): Iterable[(K, V)]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  109. def takeRight(n: Int): Iterable[(K, V)]

    Definition Classes
    IterableLike
  110. def takeWhile(p: ((K, V)) ⇒ Boolean): Iterable[(K, V)]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  111. def thisCollection: Iterable[(K, V)]

    Attributes
    protected[this]
    Definition Classes
    IterableLike → TraversableLike
  112. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, (K, V), Col[(K, V)]]): Col[(K, V)]

    Definition Classes
    TraversableLike → TraversableOnce → GenTraversableOnce
  113. def toArray[B >: (K, V)](implicit arg0: ClassTag[B]): Array[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  114. def toBuffer[B >: (K, V)]: Buffer[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  115. def toCollection(repr: Iterable[(K, V)]): Iterable[(K, V)]

    Attributes
    protected[this]
    Definition Classes
    IterableLike → TraversableLike
  116. def toIndexedSeq: IndexedSeq[(K, V)]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  117. def toIterable: Iterable[(K, V)]

    Definition Classes
    IterableLike → TraversableOnce → GenTraversableOnce
  118. def toIterator: Iterator[(K, V)]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableOnce
  119. def toList: List[(K, V)]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  120. def toMap[T, U](implicit ev: <:<[(K, V), (T, U)]): Map[T, U]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  121. def toSeq: Seq[(K, V)]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  122. def toSet[B >: (K, V)]: Set[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  123. def toStream: Stream[(K, V)]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableOnce
  124. def toString(): String

    Definition Classes
    TraversableLike → Any
  125. def toTraversable: Traversable[(K, V)]

    Definition Classes
    TraversableLike → TraversableOnce → GenTraversableOnce
  126. def toVector: Vector[(K, V)]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  127. def transpose[B](implicit asTraversable: ((K, V)) ⇒ GenTraversableOnce[B]): Iterable[Iterable[B]]

    Definition Classes
    GenericTraversableTemplate
    Annotations
    @migration
    Migration

    (Changed in version 2.9.0) transpose throws an IllegalArgumentException if collections are not uniformly sized.

  128. def unzip[A1, A2](implicit asPair: ((K, V)) ⇒ (A1, A2)): (Iterable[A1], Iterable[A2])

    Definition Classes
    GenericTraversableTemplate
  129. def unzip3[A1, A2, A3](implicit asTriple: ((K, V)) ⇒ (A1, A2, A3)): (Iterable[A1], Iterable[A2], Iterable[A3])

    Definition Classes
    GenericTraversableTemplate
  130. def update(k: K, v: V): Unit

    Set the value for a key

  131. def view(from: Int, until: Int): IterableView[(K, V), Iterable[(K, V)]]

    Definition Classes
    IterableLike → TraversableLike
  132. def view: IterableView[(K, V), Iterable[(K, V)]]

    Definition Classes
    IterableLike → TraversableLike
  133. final def wait(): Unit

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

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  136. def withFilter(p: ((K, V)) ⇒ Boolean): FilterMonadic[(K, V), Iterable[(K, V)]]

    Definition Classes
    TraversableLike → FilterMonadic
  137. def zip[A1 >: (K, V), B, That](that: GenIterable[B])(implicit bf: CanBuildFrom[Iterable[(K, V)], (A1, B), That]): That

    Definition Classes
    IterableLike → GenIterableLike
  138. def zipAll[B, A1 >: (K, V), That](that: GenIterable[B], thisElem: A1, thatElem: B)(implicit bf: CanBuildFrom[Iterable[(K, V)], (A1, B), That]): That

    Definition Classes
    IterableLike → GenIterableLike
  139. def zipWithIndex[A1 >: (K, V), That](implicit bf: CanBuildFrom[Iterable[(K, V)], (A1, Int), That]): That

    Definition Classes
    IterableLike → GenIterableLike

Deprecated Value Members

  1. def /:\[A1 >: (K, V)](z: A1)(op: (A1, A1) ⇒ A1): A1

    Definition Classes
    GenTraversableOnce
    Annotations
    @deprecated
    Deprecated

    (Since version 2.10.0) use fold instead

Inherited from Serializable

Inherited from Serializable

Inherited from Iterable[(K, V)]

Inherited from IterableLike[(K, V), Iterable[(K, V)]]

Inherited from Equals

Inherited from GenIterable[(K, V)]

Inherited from GenIterableLike[(K, V), Iterable[(K, V)]]

Inherited from Traversable[(K, V)]

Inherited from GenTraversable[(K, V)]

Inherited from GenericTraversableTemplate[(K, V), Iterable]

Inherited from TraversableLike[(K, V), Iterable[(K, V)]]

Inherited from GenTraversableLike[(K, V), Iterable[(K, V)]]

Inherited from Parallelizable[(K, V), ParIterable[(K, V)]]

Inherited from TraversableOnce[(K, V)]

Inherited from GenTraversableOnce[(K, V)]

Inherited from FilterMonadic[(K, V), Iterable[(K, V)]]

Inherited from HasNewBuilder[(K, V), Iterable[(K, V)]]

Inherited from AnyRef

Inherited from Any

Ungrouped