com.datastax.spark.connector.rdd.reader

PrefetchingResultSetIterator

class PrefetchingResultSetIterator extends Iterator[Row]

Allows to efficiently iterate over a large, paged ResultSet, asynchronously prefetching the next page.

Linear Supertypes
Iterator[Row], TraversableOnce[Row], GenTraversableOnce[Row], AnyRef, Any
Ordering
  1. Alphabetic
  2. By inheritance
Inherited
  1. PrefetchingResultSetIterator
  2. Iterator
  3. TraversableOnce
  4. GenTraversableOnce
  5. AnyRef
  6. Any
Implicitly
  1. by MonadOps
  2. by any2stringadd
  3. by any2stringfmt
  4. by any2ArrowAssoc
  5. by any2Ensuring
  6. by alternateImplicit
  1. Hide All
  2. Show all
Learn more about member selection
Visibility
  1. Public
  2. All

Instance Constructors

  1. new PrefetchingResultSetIterator(resultSet: ResultSet, prefetchWindowSize: Int, timer: Option[Timer] = scala.None)

    resultSet

    result set obtained from the Java driver

    prefetchWindowSize

    if there are less than this rows available without blocking, initiates fetching the next page

    timer

    a Codahale timer to optionally gather the metrics of fetching time

Type Members

  1. class GroupedIterator[B >: A] extends AbstractIterator[Seq[B]] with Iterator[Seq[B]]

    Definition Classes
    Iterator

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 +(other: String): String

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to StringAdd performed by method any2stringadd in scala.Predef.
    Definition Classes
    StringAdd
  5. def ++[B >: Row](that: ⇒ GenTraversableOnce[B]): Iterator[B]

    Definition Classes
    Iterator
  6. def ->[B](y: B): (PrefetchingResultSetIterator, B)

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to ArrowAssoc[PrefetchingResultSetIterator] performed by method any2ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  7. def /:[B](z: B)(op: (B, Row) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  8. def :\[B](z: B)(op: (Row, 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. def addString(b: StringBuilder): StringBuilder

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

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

    Definition Classes
    TraversableOnce
  14. def aggregate[B](z: B)(seqop: (B, Row) ⇒ B, combop: (B, B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  15. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  16. def buffered: BufferedIterator[Row]

    Definition Classes
    Iterator
  17. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  18. def collect[B](pf: PartialFunction[Row, B]): Iterator[B]

    Definition Classes
    Iterator
    Annotations
    @migration
    Migration

    (Changed in version 2.8.0) collect has changed. The previous behavior can be reproduced with toSeq.

  19. def collectFirst[B](pf: PartialFunction[Row, B]): Option[B]

    Definition Classes
    TraversableOnce
  20. def contains(elem: Any): Boolean

    Definition Classes
    Iterator
  21. def copyToArray[B >: Row](xs: Array[B], start: Int, len: Int): Unit

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  22. def copyToArray[B >: Row](xs: Array[B]): Unit

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

    Definition Classes
    TraversableOnce → GenTraversableOnce
  24. def copyToBuffer[B >: Row](dest: Buffer[B]): Unit

    Definition Classes
    TraversableOnce
  25. def corresponds[B](that: GenTraversableOnce[B])(p: (Row, B) ⇒ Boolean): Boolean

    Definition Classes
    Iterator
  26. def count(p: (Row) ⇒ Boolean): Int

    Definition Classes
    TraversableOnce → GenTraversableOnce
  27. def drop(n: Int): Iterator[Row]

    Definition Classes
    Iterator
  28. def dropWhile(p: (Row) ⇒ Boolean): Iterator[Row]

    Definition Classes
    Iterator
  29. def duplicate: (Iterator[Row], Iterator[Row])

    Definition Classes
    Iterator
  30. def ensuring(cond: (PrefetchingResultSetIterator) ⇒ Boolean, msg: ⇒ Any): PrefetchingResultSetIterator

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to Ensuring[PrefetchingResultSetIterator] performed by method any2Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  31. def ensuring(cond: (PrefetchingResultSetIterator) ⇒ Boolean): PrefetchingResultSetIterator

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to Ensuring[PrefetchingResultSetIterator] performed by method any2Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  32. def ensuring(cond: Boolean, msg: ⇒ Any): PrefetchingResultSetIterator

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to Ensuring[PrefetchingResultSetIterator] performed by method any2Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  33. def ensuring(cond: Boolean): PrefetchingResultSetIterator

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to Ensuring[PrefetchingResultSetIterator] performed by method any2Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  34. final def eq(arg0: AnyRef): Boolean

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

    Definition Classes
    AnyRef → Any
  36. def exists(p: (Row) ⇒ Boolean): Boolean

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  37. def filter(p: (Row) ⇒ Boolean): Iterator[Row]

    Definition Classes
    Iterator
  38. def filterNot(p: (Row) ⇒ Boolean): Iterator[Row]

    Definition Classes
    Iterator
  39. def finalize(): Unit

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

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  41. def flatMap[B](f: (Row) ⇒ GenTraversableOnce[B]): Iterator[B]

    Definition Classes
    Iterator
  42. def fold[A1 >: Row](z: A1)(op: (A1, A1) ⇒ A1): A1

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

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

    Definition Classes
    TraversableOnce → GenTraversableOnce
  45. def forall(p: (Row) ⇒ Boolean): Boolean

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  46. def foreach[U](f: (Row) ⇒ U): Unit

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  47. def formatted(fmtstr: String): String

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to StringFormat performed by method any2stringfmt in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()
  48. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  49. def grouped[B >: Row](size: Int): GroupedIterator[B]

    Definition Classes
    Iterator
  50. def hasDefiniteSize: Boolean

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  51. def hasNext: Boolean

    Definition Classes
    PrefetchingResultSetIterator → Iterator
  52. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  53. def indexOf[B >: Row](elem: B): Int

    Definition Classes
    Iterator
  54. def indexWhere(p: (Row) ⇒ Boolean): Int

    Definition Classes
    Iterator
  55. def isEmpty: Boolean

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  56. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  57. def isTraversableAgain: Boolean

    Definition Classes
    Iterator → GenTraversableOnce
  58. def length: Int

    Definition Classes
    Iterator
  59. def map[B](f: (Row) ⇒ B): Iterator[B]

    Definition Classes
    Iterator
  60. def max[B >: Row](implicit cmp: Ordering[B]): Row

    Definition Classes
    TraversableOnce → GenTraversableOnce
  61. def maxBy[B](f: (Row) ⇒ B)(implicit cmp: Ordering[B]): Row

    Definition Classes
    TraversableOnce → GenTraversableOnce
  62. def min[B >: Row](implicit cmp: Ordering[B]): Row

    Definition Classes
    TraversableOnce → GenTraversableOnce
  63. def minBy[B](f: (Row) ⇒ B)(implicit cmp: Ordering[B]): Row

    Definition Classes
    TraversableOnce → GenTraversableOnce
  64. def mkString: String

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

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

    Definition Classes
    TraversableOnce → GenTraversableOnce
  67. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  68. def next(): Row

    Definition Classes
    PrefetchingResultSetIterator → Iterator
  69. def nonEmpty: Boolean

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

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

    Definition Classes
    AnyRef
  72. def padTo[A1 >: Row](len: Int, elem: A1): Iterator[A1]

    Definition Classes
    Iterator
  73. def partition(p: (Row) ⇒ Boolean): (Iterator[Row], Iterator[Row])

    Definition Classes
    Iterator
  74. def patch[B >: Row](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]

    Definition Classes
    Iterator
  75. def product[B >: Row](implicit num: Numeric[B]): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  76. def reduce[A1 >: Row](op: (A1, A1) ⇒ A1): A1

    Definition Classes
    TraversableOnce → GenTraversableOnce
  77. def reduceLeft[B >: Row](op: (B, Row) ⇒ B): B

    Definition Classes
    TraversableOnce
  78. def reduceLeftOption[B >: Row](op: (B, Row) ⇒ B): Option[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  79. def reduceOption[A1 >: Row](op: (A1, A1) ⇒ A1): Option[A1]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  80. def reduceRight[B >: Row](op: (Row, B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  81. def reduceRightOption[B >: Row](op: (Row, B) ⇒ B): Option[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  82. def reversed: List[Row]

    Attributes
    protected[this]
    Definition Classes
    TraversableOnce
  83. def sameElements(that: Iterator[_]): Boolean

    Definition Classes
    Iterator
  84. def scanLeft[B](z: B)(op: (B, Row) ⇒ B): Iterator[B]

    Definition Classes
    Iterator
  85. def scanRight[B](z: B)(op: (Row, B) ⇒ B): Iterator[B]

    Definition Classes
    Iterator
  86. def seq: Iterator[Row]

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  87. def size: Int

    Definition Classes
    TraversableOnce → GenTraversableOnce
  88. def slice(from: Int, until: Int): Iterator[Row]

    Definition Classes
    Iterator
  89. def sliding[B >: Row](size: Int, step: Int): GroupedIterator[B]

    Definition Classes
    Iterator
  90. def span(p: (Row) ⇒ Boolean): (Iterator[Row], Iterator[Row])

    Definition Classes
    Iterator
  91. def sum[B >: Row](implicit num: Numeric[B]): B

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

    Definition Classes
    AnyRef
  93. def take(n: Int): Iterator[Row]

    Definition Classes
    Iterator
  94. def takeWhile(p: (Row) ⇒ Boolean): Iterator[Row]

    Definition Classes
    Iterator
  95. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, Row, Col[Row]]): Col[Row]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  96. def toArray[B >: Row](implicit arg0: ClassTag[B]): Array[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  97. def toBuffer[B >: Row]: Buffer[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  98. def toIndexedSeq: IndexedSeq[Row]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  99. def toIterable: Iterable[Row]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  100. def toIterator: Iterator[Row]

    Definition Classes
    Iterator → GenTraversableOnce
  101. def toList: List[Row]

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

    Definition Classes
    TraversableOnce → GenTraversableOnce
  103. def toSeq: Seq[Row]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  104. def toSet[B >: Row]: Set[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  105. def toStream: Stream[Row]

    Definition Classes
    Iterator → GenTraversableOnce
  106. def toString(): String

    Definition Classes
    Iterator → AnyRef → Any
  107. def toTraversable: Traversable[Row]

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  108. def toVector: Vector[Row]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  109. final def wait(): Unit

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

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  112. def withFilter(p: (Row) ⇒ Boolean): Iterator[Row]

    Definition Classes
    Iterator
  113. def zip[B](that: Iterator[B]): Iterator[(Row, B)]

    Definition Classes
    Iterator
  114. def zipAll[B, A1 >: Row, B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]

    Definition Classes
    Iterator
  115. def zipWithIndex: Iterator[(Row, Int)]

    Definition Classes
    Iterator
  116. def [B](y: B): (PrefetchingResultSetIterator, B)

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to ArrowAssoc[PrefetchingResultSetIterator] performed by method any2ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Shadowed Implicit Value Members

  1. def filter(p: (Row) ⇒ Boolean): TraversableOnce[Row]

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to MonadOps[Row] performed by method MonadOps in scala.collection.TraversableOnce.
    Shadowing
    This implicitly inherited member is shadowed by one or more members in this class.
    To access this member you can use a type ascription:
    (prefetchingResultSetIterator: MonadOps[Row]).filter(p)
    Definition Classes
    MonadOps
  2. def flatMap[B](f: (Row) ⇒ GenTraversableOnce[B]): TraversableOnce[B]

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to MonadOps[Row] performed by method MonadOps in scala.collection.TraversableOnce.
    Shadowing
    This implicitly inherited member is shadowed by one or more members in this class.
    To access this member you can use a type ascription:
    (prefetchingResultSetIterator: MonadOps[Row]).flatMap(f)
    Definition Classes
    MonadOps
  3. def map[B](f: (Row) ⇒ B): TraversableOnce[B]

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to MonadOps[Row] performed by method MonadOps in scala.collection.TraversableOnce.
    Shadowing
    This implicitly inherited member is shadowed by one or more members in this class.
    To access this member you can use a type ascription:
    (prefetchingResultSetIterator: MonadOps[Row]).map(f)
    Definition Classes
    MonadOps
  4. val self: Any

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to StringAdd performed by method any2stringadd in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (prefetchingResultSetIterator: StringAdd).self
    Definition Classes
    StringAdd
  5. val self: Any

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to StringFormat performed by method any2stringfmt in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (prefetchingResultSetIterator: StringFormat).self
    Definition Classes
    StringFormat
  6. def withFilter(p: (Row) ⇒ Boolean): Iterator[Row]

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to MonadOps[Row] performed by method MonadOps in scala.collection.TraversableOnce.
    Shadowing
    This implicitly inherited member is shadowed by one or more members in this class.
    To access this member you can use a type ascription:
    (prefetchingResultSetIterator: MonadOps[Row]).withFilter(p)
    Definition Classes
    MonadOps

Deprecated Value Members

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

    Definition Classes
    GenTraversableOnce
    Annotations
    @deprecated
    Deprecated

    (Since version 2.10.0) use fold instead

  2. def x: PrefetchingResultSetIterator

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to ArrowAssoc[PrefetchingResultSetIterator] performed by method any2ArrowAssoc in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (prefetchingResultSetIterator: ArrowAssoc[PrefetchingResultSetIterator]).x
    Definition Classes
    ArrowAssoc
    Annotations
    @deprecated
    Deprecated

    (Since version 2.10.0) Use leftOfArrow instead

  3. def x: PrefetchingResultSetIterator

    Implicit information
    This member is added by an implicit conversion from PrefetchingResultSetIterator to Ensuring[PrefetchingResultSetIterator] performed by method any2Ensuring in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (prefetchingResultSetIterator: Ensuring[PrefetchingResultSetIterator]).x
    Definition Classes
    Ensuring
    Annotations
    @deprecated
    Deprecated

    (Since version 2.10.0) Use resultOfEnsuring instead

Inherited from Iterator[Row]

Inherited from TraversableOnce[Row]

Inherited from GenTraversableOnce[Row]

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion MonadOps from PrefetchingResultSetIterator to MonadOps[Row]

Inherited by implicit conversion any2stringadd from PrefetchingResultSetIterator to StringAdd

Inherited by implicit conversion any2stringfmt from PrefetchingResultSetIterator to StringFormat

Inherited by implicit conversion any2ArrowAssoc from PrefetchingResultSetIterator to ArrowAssoc[PrefetchingResultSetIterator]

Inherited by implicit conversion any2Ensuring from PrefetchingResultSetIterator to Ensuring[PrefetchingResultSetIterator]

Inherited by implicit conversion alternateImplicit from PrefetchingResultSetIterator to ForceImplicitAmbiguity

Ungrouped