Packages

c

org.locationtech.geomesa.index.utils

AbstractBatchScan

abstract class AbstractBatchScan[T, R <: AnyRef] extends CloseableIterator[R]

Provides parallelism for scanning multiple ranges at a given time, for systems that don't natively support that.

Subclasses should generally only expose the CloseableIterator interface, and make sure to invoke start() before returning to the caller.

T

range type

R

scan result type

Linear Supertypes
CloseableIterator[R], Closeable, AutoCloseable, Iterator[R], TraversableOnce[R], GenTraversableOnce[R], AnyRef, Any
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. AbstractBatchScan
  2. CloseableIterator
  3. Closeable
  4. AutoCloseable
  5. Iterator
  6. TraversableOnce
  7. GenTraversableOnce
  8. AnyRef
  9. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. All

Instance Constructors

  1. new AbstractBatchScan(ranges: Seq[T], threads: Int, buffer: Int, sentinel: R)

    ranges

    ranges to scan

    threads

    number of client threads to use for scanning

    buffer

    max size of the buffer for storing results before they are read by the caller

    sentinel

    singleton sentinel value used to indicate the completion of scanning threads

Type Members

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

Abstract Value Members

  1. abstract def scan(range: T): CloseableIterator[R]

    Scan a single range

    Scan a single range

    range

    range to scan

    Attributes
    protected

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. def ++[B >: R](that: ⇒ GenTraversableOnce[B]): CloseableIterator[B]
    Definition Classes
    CloseableIterator → Iterator
  4. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  5. def addString(b: StringBuilder): StringBuilder
    Definition Classes
    TraversableOnce
  6. def addString(b: StringBuilder, sep: String): StringBuilder
    Definition Classes
    TraversableOnce
  7. def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder
    Definition Classes
    TraversableOnce
  8. def aggregate[B](z: ⇒ B)(seqop: (B, R) ⇒ B, combop: (B, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  9. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  10. def buffered: BufferedIterator[R]
    Definition Classes
    Iterator
  11. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native() @HotSpotIntrinsicCandidate()
  12. def close(): Unit
    Definition Classes
    AbstractBatchScan → Closeable → AutoCloseable
  13. var closed: Boolean
    Attributes
    protected
  14. def collect[B](pf: PartialFunction[R, B]): CloseableIterator[B]
    Definition Classes
    CloseableIterator → Iterator
  15. def collectFirst[B](pf: PartialFunction[R, B]): Option[B]
    Definition Classes
    TraversableOnce
  16. def concat[B >: R](xs: ⇒ GenTraversableOnce[B]): CloseableIterator[B]
    Definition Classes
    CloseableIterator
  17. def contains(elem: Any): Boolean
    Definition Classes
    Iterator
  18. def copyToArray[B >: R](xs: Array[B], start: Int, len: Int): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  19. def copyToArray[B >: R](xs: Array[B]): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  20. def copyToArray[B >: R](xs: Array[B], start: Int): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  21. def copyToBuffer[B >: R](dest: Buffer[B]): Unit
    Definition Classes
    TraversableOnce
  22. def corresponds[B](that: GenTraversableOnce[B])(p: (R, B) ⇒ Boolean): Boolean
    Definition Classes
    Iterator
  23. def count(p: (R) ⇒ Boolean): Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  24. def drop(n: Int): Iterator[R]
    Definition Classes
    Iterator
  25. def dropWhile(p: (R) ⇒ Boolean): Iterator[R]
    Definition Classes
    Iterator
  26. def duplicate: (Iterator[R], Iterator[R])
    Definition Classes
    Iterator
  27. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  28. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  29. def exists(p: (R) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  30. def filter(p: (R) ⇒ Boolean): CloseableIterator[R]
    Definition Classes
    CloseableIterator → Iterator
  31. def filterNot(p: (R) ⇒ Boolean): CloseableIterator[R]
    Definition Classes
    CloseableIterator → Iterator
  32. def find(p: (R) ⇒ Boolean): Option[R]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  33. def flatMap[B](f: (R) ⇒ GenTraversableOnce[B]): CloseableIterator[B]
    Definition Classes
    CloseableIterator → Iterator
  34. def fold[A1 >: R](z: A1)(op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  35. def foldLeft[B](z: B)(op: (B, R) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  36. def foldRight[B](z: B)(op: (R, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  37. def forall(p: (R) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  38. def foreach[U](f: (R) ⇒ U): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  39. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  40. def grouped[B >: R](size: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  41. def hasDefiniteSize: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  42. def hasNext: Boolean
    Definition Classes
    AbstractBatchScan → Iterator
  43. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  44. def indexOf[B >: R](elem: B, from: Int): Int
    Definition Classes
    Iterator
  45. def indexOf[B >: R](elem: B): Int
    Definition Classes
    Iterator
  46. def indexWhere(p: (R) ⇒ Boolean, from: Int): Int
    Definition Classes
    Iterator
  47. def indexWhere(p: (R) ⇒ Boolean): Int
    Definition Classes
    Iterator
  48. def isEmpty: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  49. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  50. def isTraversableAgain: Boolean
    Definition Classes
    Iterator → GenTraversableOnce
  51. def length: Int
    Definition Classes
    Iterator
  52. def map[B](f: (R) ⇒ B): CloseableIterator[B]
    Definition Classes
    CloseableIterator → Iterator
  53. def max[B >: R](implicit cmp: Ordering[B]): R
    Definition Classes
    TraversableOnce → GenTraversableOnce
  54. def maxBy[B](f: (R) ⇒ B)(implicit cmp: Ordering[B]): R
    Definition Classes
    TraversableOnce → GenTraversableOnce
  55. def min[B >: R](implicit cmp: Ordering[B]): R
    Definition Classes
    TraversableOnce → GenTraversableOnce
  56. def minBy[B](f: (R) ⇒ B)(implicit cmp: Ordering[B]): R
    Definition Classes
    TraversableOnce → GenTraversableOnce
  57. def mkString: String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  58. def mkString(sep: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  59. def mkString(start: String, sep: String, end: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  60. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  61. def next(): R
    Definition Classes
    AbstractBatchScan → Iterator
  62. def nonEmpty: Boolean
    Definition Classes
    TraversableOnce → GenTraversableOnce
  63. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  64. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  65. def padTo[A1 >: R](len: Int, elem: A1): Iterator[A1]
    Definition Classes
    Iterator
  66. def partition(p: (R) ⇒ Boolean): (Iterator[R], Iterator[R])
    Definition Classes
    Iterator
  67. def patch[B >: R](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]
    Definition Classes
    Iterator
  68. def product[B >: R](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  69. def reduce[A1 >: R](op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  70. def reduceLeft[B >: R](op: (B, R) ⇒ B): B
    Definition Classes
    TraversableOnce
  71. def reduceLeftOption[B >: R](op: (B, R) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  72. def reduceOption[A1 >: R](op: (A1, A1) ⇒ A1): Option[A1]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  73. def reduceRight[B >: R](op: (R, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  74. def reduceRightOption[B >: R](op: (R, B) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  75. def reversed: List[R]
    Attributes
    protected[this]
    Definition Classes
    TraversableOnce
  76. def sameElements(that: Iterator[_]): Boolean
    Definition Classes
    Iterator
  77. def scanLeft[B](z: B)(op: (B, R) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  78. def scanRight[B](z: B)(op: (R, B) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  79. def seq: Iterator[R]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  80. def size: Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  81. def sizeHintIfCheap: Int
    Attributes
    protected[collection]
    Definition Classes
    GenTraversableOnce
  82. def slice(from: Int, until: Int): Iterator[R]
    Definition Classes
    Iterator
  83. def sliceIterator(from: Int, until: Int): Iterator[R]
    Attributes
    protected
    Definition Classes
    Iterator
  84. def sliding[B >: R](size: Int, step: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  85. def span(p: (R) ⇒ Boolean): (Iterator[R], Iterator[R])
    Definition Classes
    Iterator
  86. def start(): CloseableIterator[R]

    Start the threaded scans executing

    Start the threaded scans executing

    Attributes
    protected
  87. def sum[B >: R](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  88. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  89. def take(n: Int): CloseableIterator[R]
    Definition Classes
    CloseableIterator → Iterator
  90. def takeWhile(p: (R) ⇒ Boolean): CloseableIterator[R]
    Definition Classes
    CloseableIterator → Iterator
  91. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, R, Col[R]]): Col[R]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  92. def toArray[B >: R](implicit arg0: ClassTag[B]): Array[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  93. def toBuffer[B >: R]: Buffer[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  94. def toIndexedSeq: IndexedSeq[R]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  95. def toIterable: Iterable[R]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  96. def toIterator: Iterator[R]
    Definition Classes
    Iterator → GenTraversableOnce
  97. def toList: List[R]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  98. def toMap[T, U](implicit ev: <:<[R, (T, U)]): Map[T, U]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  99. def toSeq: Seq[R]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  100. def toSet[B >: R]: Set[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  101. def toStream: Stream[R]
    Definition Classes
    Iterator → GenTraversableOnce
  102. def toString(): String
    Definition Classes
    Iterator → AnyRef → Any
  103. def toTraversable: Traversable[R]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  104. def toVector: Vector[R]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  105. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  106. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  107. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  108. def withFilter(p: (R) ⇒ Boolean): Iterator[R]
    Definition Classes
    Iterator
  109. def zip[B](that: Iterator[B]): Iterator[(R, B)]
    Definition Classes
    Iterator
  110. def zipAll[B, A1 >: R, B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]
    Definition Classes
    Iterator
  111. def zipWithIndex: Iterator[(R, Int)]
    Definition Classes
    Iterator

Deprecated Value Members

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

    (Since version 2.12.10) Use foldLeft instead of /:

  2. def :\[B](z: B)(op: (R, 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 CloseableIterator[R]

Inherited from Closeable

Inherited from AutoCloseable

Inherited from Iterator[R]

Inherited from TraversableOnce[R]

Inherited from GenTraversableOnce[R]

Inherited from AnyRef

Inherited from Any

Ungrouped