Packages

trait CloseableIterator[+T] extends Iterator[T] with Closeable

An Iterator with a close method to close the underlying data source. Implementers must close the data source when hasNext returns false.

Self Type
CloseableIterator[T]
Source
CloseableIterator.scala
Linear Supertypes
Closeable, AutoCloseable, Iterator[T], TraversableOnce[T], GenTraversableOnce[T], AnyRef, Any
Known Subclasses
PositionedResultIterator, Single
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. CloseableIterator
  2. Closeable
  3. AutoCloseable
  4. Iterator
  5. TraversableOnce
  6. GenTraversableOnce
  7. AnyRef
  8. Any
Implicitly
  1. by MonadOps
  2. by any2stringadd
  3. by StringFormat
  4. by Ensuring
  5. by ArrowAssoc
  6. by alternateImplicit
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Visibility
  1. Public
  2. All

Type Members

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

Abstract Value Members

  1. abstract def close(): Unit

    Close the underlying data source.

    Close the underlying data source. The behaviour of any methods of this object after closing it is undefined.

    Definition Classes
    CloseableIterator → Closeable → AutoCloseable
  2. abstract def hasNext: Boolean
    Definition Classes
    Iterator
  3. abstract def next(): T
    Definition Classes
    Iterator

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. def +(other: String): String
    Implicit
    This member is added by an implicit conversion from CloseableIterator[T] to any2stringadd[CloseableIterator[T]] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd
  4. def ++[B >: T](that: ⇒ GenTraversableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
  5. def ->[B](y: B): (CloseableIterator[T], B)
    Implicit
    This member is added by an implicit conversion from CloseableIterator[T] to ArrowAssoc[CloseableIterator[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  6. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  7. def addString(b: StringBuilder): StringBuilder
    Definition Classes
    TraversableOnce
  8. def addString(b: StringBuilder, sep: String): StringBuilder
    Definition Classes
    TraversableOnce
  9. def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder
    Definition Classes
    TraversableOnce
  10. def aggregate[B](z: ⇒ B)(seqop: (B, T) ⇒ B, combop: (B, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  11. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  12. def buffered: BufferedIterator[T]
    Definition Classes
    Iterator
  13. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native() @HotSpotIntrinsicCandidate()
  14. def collect[B](pf: PartialFunction[T, 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.

  15. def collectFirst[B](pf: PartialFunction[T, B]): Option[B]
    Definition Classes
    TraversableOnce
  16. def contains(elem: Any): Boolean
    Definition Classes
    Iterator
  17. def copyToArray[B >: T](xs: Array[B], start: Int, len: Int): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  18. def copyToArray[B >: T](xs: Array[B]): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  19. def copyToArray[B >: T](xs: Array[B], start: Int): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  20. def copyToBuffer[B >: T](dest: Buffer[B]): Unit
    Definition Classes
    TraversableOnce
  21. def corresponds[B](that: GenTraversableOnce[B])(p: (T, B) ⇒ Boolean): Boolean
    Definition Classes
    Iterator
  22. def count(p: (T) ⇒ Boolean): Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  23. def drop(n: Int): Iterator[T]
    Definition Classes
    Iterator
  24. def dropWhile(p: (T) ⇒ Boolean): Iterator[T]
    Definition Classes
    Iterator
  25. def duplicate: (Iterator[T], Iterator[T])
    Definition Classes
    Iterator
  26. def ensuring(cond: (CloseableIterator[T]) ⇒ Boolean, msg: ⇒ Any): CloseableIterator[T]
    Implicit
    This member is added by an implicit conversion from CloseableIterator[T] to Ensuring[CloseableIterator[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  27. def ensuring(cond: (CloseableIterator[T]) ⇒ Boolean): CloseableIterator[T]
    Implicit
    This member is added by an implicit conversion from CloseableIterator[T] to Ensuring[CloseableIterator[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  28. def ensuring(cond: Boolean, msg: ⇒ Any): CloseableIterator[T]
    Implicit
    This member is added by an implicit conversion from CloseableIterator[T] to Ensuring[CloseableIterator[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  29. def ensuring(cond: Boolean): CloseableIterator[T]
    Implicit
    This member is added by an implicit conversion from CloseableIterator[T] to Ensuring[CloseableIterator[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  30. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  31. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  32. def exists(p: (T) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  33. def filter(p: (T) ⇒ Boolean): Iterator[T]
    Definition Classes
    Iterator
  34. def filterNot(p: (T) ⇒ Boolean): Iterator[T]
    Definition Classes
    Iterator
  35. def find(p: (T) ⇒ Boolean): Option[T]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  36. def flatMap[B](f: (T) ⇒ GenTraversableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
  37. def fold[A1 >: T](z: A1)(op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  38. def foldLeft[B](z: B)(op: (B, T) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  39. def foldRight[B](z: B)(op: (T, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  40. def forall(p: (T) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  41. def foreach[U](f: (T) ⇒ U): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  42. def formatted(fmtstr: String): String
    Implicit
    This member is added by an implicit conversion from CloseableIterator[T] to StringFormat[CloseableIterator[T]] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()
  43. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  44. def grouped[B >: T](size: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  45. def hasDefiniteSize: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  46. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  47. def indexOf[B >: T](elem: B, from: Int): Int
    Definition Classes
    Iterator
  48. def indexOf[B >: T](elem: B): Int
    Definition Classes
    Iterator
  49. def indexWhere(p: (T) ⇒ Boolean, from: Int): Int
    Definition Classes
    Iterator
  50. def indexWhere(p: (T) ⇒ Boolean): Int
    Definition Classes
    Iterator
  51. def isEmpty: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  52. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  53. def isTraversableAgain: Boolean
    Definition Classes
    Iterator → GenTraversableOnce
  54. def length: Int
    Definition Classes
    Iterator
  55. def map[B](f: (T) ⇒ B): CloseableIterator[B]
    Definition Classes
    CloseableIterator → Iterator
  56. def max[B >: T](implicit cmp: Ordering[B]): T
    Definition Classes
    TraversableOnce → GenTraversableOnce
  57. def maxBy[B](f: (T) ⇒ B)(implicit cmp: Ordering[B]): T
    Definition Classes
    TraversableOnce → GenTraversableOnce
  58. def min[B >: T](implicit cmp: Ordering[B]): T
    Definition Classes
    TraversableOnce → GenTraversableOnce
  59. def minBy[B](f: (T) ⇒ B)(implicit cmp: Ordering[B]): T
    Definition Classes
    TraversableOnce → GenTraversableOnce
  60. def mkString: String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  61. def mkString(sep: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  62. def mkString(start: String, sep: String, end: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  63. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  64. final def noNext: Nothing
    Attributes
    protected
  65. def nonEmpty: Boolean
    Definition Classes
    TraversableOnce → GenTraversableOnce
  66. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  67. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  68. def padTo[A1 >: T](len: Int, elem: A1): Iterator[A1]
    Definition Classes
    Iterator
  69. def partition(p: (T) ⇒ Boolean): (Iterator[T], Iterator[T])
    Definition Classes
    Iterator
  70. def patch[B >: T](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]
    Definition Classes
    Iterator
  71. def product[B >: T](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  72. def reduce[A1 >: T](op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  73. def reduceLeft[B >: T](op: (B, T) ⇒ B): B
    Definition Classes
    TraversableOnce
  74. def reduceLeftOption[B >: T](op: (B, T) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  75. def reduceOption[A1 >: T](op: (A1, A1) ⇒ A1): Option[A1]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  76. def reduceRight[B >: T](op: (T, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  77. def reduceRightOption[B >: T](op: (T, B) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  78. def reversed: List[T]
    Attributes
    protected[this]
    Definition Classes
    TraversableOnce
  79. def sameElements(that: Iterator[_]): Boolean
    Definition Classes
    Iterator
  80. def scanLeft[B](z: B)(op: (B, T) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  81. def scanRight[B](z: B)(op: (T, B) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  82. def seq: Iterator[T]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  83. def size: Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  84. def sizeHintIfCheap: Int
    Attributes
    protected[scala.collection]
    Definition Classes
    GenTraversableOnce
  85. def slice(from: Int, until: Int): Iterator[T]
    Definition Classes
    Iterator
  86. def sliceIterator(from: Int, until: Int): Iterator[T]
    Attributes
    protected
    Definition Classes
    Iterator
  87. def sliding[B >: T](size: Int, step: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  88. def span(p: (T) ⇒ Boolean): (Iterator[T], Iterator[T])
    Definition Classes
    Iterator
  89. def sum[B >: T](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  90. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  91. def take(n: Int): Iterator[T]
    Definition Classes
    Iterator
  92. def takeWhile(p: (T) ⇒ Boolean): Iterator[T]
    Definition Classes
    Iterator
  93. final def thenClose(c: Closeable): CloseableIterator[T]

    Return a new CloseableIterator which also closes the supplied Closeable object when itself gets closed.

  94. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, T, Col[T]]): Col[T]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  95. def toArray[B >: T](implicit arg0: ClassTag[B]): Array[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  96. def toBuffer[B >: T]: Buffer[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  97. def toIndexedSeq: IndexedSeq[T]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  98. def toIterable: Iterable[T]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  99. def toIterator: Iterator[T]
    Definition Classes
    Iterator → GenTraversableOnce
  100. def toList: List[T]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  101. def toMap[T, U](implicit ev: <:<[T, (T, U)]): Map[T, U]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  102. def toSeq: Seq[T]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  103. def toSet[B >: T]: Set[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  104. def toStream: Stream[T]
    Definition Classes
    Iterator → GenTraversableOnce
  105. def toString(): String
    Definition Classes
    Iterator → AnyRef → Any
  106. def toTraversable: Traversable[T]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  107. def toVector: Vector[T]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  108. final def use[R](f: ⇒ R): R
  109. final def use[R](f: (Iterator[T]) ⇒ R): R
  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( ... ) @native()
  112. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  113. def withFilter(p: (T) ⇒ Boolean): Iterator[T]
    Definition Classes
    Iterator
  114. def zip[B](that: Iterator[B]): Iterator[(T, B)]
    Definition Classes
    Iterator
  115. def zipAll[B, A1 >: T, B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]
    Definition Classes
    Iterator
  116. def zipWithIndex: Iterator[(T, Int)]
    Definition Classes
    Iterator
  117. def →[B](y: B): (CloseableIterator[T], B)
    Implicit
    This member is added by an implicit conversion from CloseableIterator[T] to ArrowAssoc[CloseableIterator[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Shadowed Implicit Value Members

  1. def filter(p: (T) ⇒ Boolean): TraversableOnce[T]
    Implicit
    This member is added by an implicit conversion from CloseableIterator[T] to MonadOps[T] 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:
    (closeableIterator: MonadOps[T]).filter(p)
    Definition Classes
    MonadOps
  2. def flatMap[B](f: (T) ⇒ GenTraversableOnce[B]): TraversableOnce[B]
    Implicit
    This member is added by an implicit conversion from CloseableIterator[T] to MonadOps[T] 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:
    (closeableIterator: MonadOps[T]).flatMap(f)
    Definition Classes
    MonadOps
  3. def map[B](f: (T) ⇒ B): TraversableOnce[B]
    Implicit
    This member is added by an implicit conversion from CloseableIterator[T] to MonadOps[T] 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:
    (closeableIterator: MonadOps[T]).map(f)
    Definition Classes
    MonadOps
  4. def withFilter(p: (T) ⇒ Boolean): Iterator[T]
    Implicit
    This member is added by an implicit conversion from CloseableIterator[T] to MonadOps[T] 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:
    (closeableIterator: MonadOps[T]).withFilter(p)
    Definition Classes
    MonadOps

Deprecated Value Members

  1. def /:[B](z: B)(op: (B, T) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
    Annotations
    @deprecated
    Deprecated

    (Since version 2.12.10) Use foldLeft instead of /:

  2. def :\[B](z: B)(op: (T, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
    Annotations
    @deprecated
    Deprecated

    (Since version 2.12.10) Use foldRight instead of :\

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

Inherited from Closeable

Inherited from AutoCloseable

Inherited from Iterator[T]

Inherited from TraversableOnce[T]

Inherited from GenTraversableOnce[T]

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion MonadOps from CloseableIterator[T] to MonadOps[T]

Inherited by implicit conversion any2stringadd from CloseableIterator[T] to any2stringadd[CloseableIterator[T]]

Inherited by implicit conversion StringFormat from CloseableIterator[T] to StringFormat[CloseableIterator[T]]

Inherited by implicit conversion Ensuring from CloseableIterator[T] to Ensuring[CloseableIterator[T]]

Inherited by implicit conversion ArrowAssoc from CloseableIterator[T] to ArrowAssoc[CloseableIterator[T]]

Inherited by implicit conversion alternateImplicit from CloseableIterator[T] to ForceImplicitAmbiguity

Ungrouped