Class

ml.dmlc.mxnet

DataIter

Related Doc: package mxnet

Permalink

abstract class DataIter extends Iterator[DataBatch]

DataIter object in mxnet.

Linear Supertypes
Iterator[DataBatch], TraversableOnce[DataBatch], GenTraversableOnce[DataBatch], AnyRef, Any
Known Subclasses
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. DataIter
  2. Iterator
  3. TraversableOnce
  4. GenTraversableOnce
  5. AnyRef
  6. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. All

Instance Constructors

  1. new DataIter()

    Permalink

Type Members

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

    Permalink
    Definition Classes
    Iterator

Abstract Value Members

  1. abstract def batchSize: Int

    Permalink
  2. abstract def getData(): IndexedSeq[NDArray]

    Permalink

    get data of current batch

    get data of current batch

    returns

    the data of current batch

  3. abstract def getIndex(): IndexedSeq[Long]

    Permalink

    Get the index of current batch

    Get the index of current batch

    returns

    the index of current batch

  4. abstract def getLabel(): IndexedSeq[NDArray]

    Permalink

    Get label of current batch

    Get label of current batch

    returns

    the label of current batch

  5. abstract def getPad(): Int

    Permalink

    Get the number of padding examples in current batch

    Get the number of padding examples in current batch

    returns

    number of padding examples in current batch

  6. abstract def hasNext: Boolean

    Permalink
    Definition Classes
    Iterator
  7. abstract def provideData: ListMap[String, Shape]

    Permalink
  8. abstract def provideLabel: ListMap[String, Shape]

    Permalink
  9. abstract def reset(): Unit

    Permalink

    reset the iterator

Concrete Value Members

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

    Permalink
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

    Permalink
    Definition Classes
    AnyRef → Any
  3. def ++[B >: DataBatch](that: ⇒ GenTraversableOnce[B]): Iterator[B]

    Permalink
    Definition Classes
    Iterator
  4. def /:[B](z: B)(op: (B, DataBatch) ⇒ B): B

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  5. def :\[B](z: B)(op: (DataBatch, B) ⇒ B): B

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  6. final def ==(arg0: Any): Boolean

    Permalink
    Definition Classes
    AnyRef → Any
  7. def addString(b: StringBuilder): StringBuilder

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

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

    Permalink
    Definition Classes
    TraversableOnce
  10. def aggregate[B](z: ⇒ B)(seqop: (B, DataBatch) ⇒ B, combop: (B, B) ⇒ B): B

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

    Permalink
    Definition Classes
    Any
  12. def buffered: BufferedIterator[DataBatch]

    Permalink
    Definition Classes
    Iterator
  13. def clone(): AnyRef

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

    Permalink
    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[DataBatch, B]): Option[B]

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

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

    Permalink
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  18. def copyToArray[B >: DataBatch](xs: Array[B]): Unit

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

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  20. def copyToBuffer[B >: DataBatch](dest: Buffer[B]): Unit

    Permalink
    Definition Classes
    TraversableOnce
  21. def corresponds[B](that: GenTraversableOnce[B])(p: (DataBatch, B) ⇒ Boolean): Boolean

    Permalink
    Definition Classes
    Iterator
  22. def count(p: (DataBatch) ⇒ Boolean): Int

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  23. def defaultBucketKey: AnyRef

    Permalink
  24. def drop(n: Int): Iterator[DataBatch]

    Permalink
    Definition Classes
    Iterator
  25. def dropWhile(p: (DataBatch) ⇒ Boolean): Iterator[DataBatch]

    Permalink
    Definition Classes
    Iterator
  26. def duplicate: (Iterator[DataBatch], Iterator[DataBatch])

    Permalink
    Definition Classes
    Iterator
  27. final def eq(arg0: AnyRef): Boolean

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

    Permalink
    Definition Classes
    AnyRef → Any
  29. def exists(p: (DataBatch) ⇒ Boolean): Boolean

    Permalink
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  30. def filter(p: (DataBatch) ⇒ Boolean): Iterator[DataBatch]

    Permalink
    Definition Classes
    Iterator
  31. def filterNot(p: (DataBatch) ⇒ Boolean): Iterator[DataBatch]

    Permalink
    Definition Classes
    Iterator
  32. def finalize(): Unit

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

    Permalink
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  34. def flatMap[B](f: (DataBatch) ⇒ GenTraversableOnce[B]): Iterator[B]

    Permalink
    Definition Classes
    Iterator
  35. def fold[A1 >: DataBatch](z: A1)(op: (A1, A1) ⇒ A1): A1

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  36. def foldLeft[B](z: B)(op: (B, DataBatch) ⇒ B): B

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  37. def foldRight[B](z: B)(op: (DataBatch, B) ⇒ B): B

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  38. def forall(p: (DataBatch) ⇒ Boolean): Boolean

    Permalink
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  39. def foreach[U](f: (DataBatch) ⇒ U): Unit

    Permalink
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  40. final def getClass(): Class[_]

    Permalink
    Definition Classes
    AnyRef → Any
  41. def grouped[B >: DataBatch](size: Int): GroupedIterator[B]

    Permalink
    Definition Classes
    Iterator
  42. def hasDefiniteSize: Boolean

    Permalink
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  43. def hashCode(): Int

    Permalink
    Definition Classes
    AnyRef → Any
  44. def indexOf[B >: DataBatch](elem: B): Int

    Permalink
    Definition Classes
    Iterator
  45. def indexWhere(p: (DataBatch) ⇒ Boolean): Int

    Permalink
    Definition Classes
    Iterator
  46. def isEmpty: Boolean

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

    Permalink
    Definition Classes
    Any
  48. def isTraversableAgain: Boolean

    Permalink
    Definition Classes
    Iterator → GenTraversableOnce
  49. def length: Int

    Permalink
    Definition Classes
    Iterator
  50. def map[B](f: (DataBatch) ⇒ B): Iterator[B]

    Permalink
    Definition Classes
    Iterator
  51. def max[B >: DataBatch](implicit cmp: Ordering[B]): DataBatch

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  52. def maxBy[B](f: (DataBatch) ⇒ B)(implicit cmp: Ordering[B]): DataBatch

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  53. def min[B >: DataBatch](implicit cmp: Ordering[B]): DataBatch

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  54. def minBy[B](f: (DataBatch) ⇒ B)(implicit cmp: Ordering[B]): DataBatch

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  55. def mkString: String

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

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

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

    Permalink
    Definition Classes
    AnyRef
  59. def next(): DataBatch

    Permalink

    get next data batch from iterator

    get next data batch from iterator

    Definition Classes
    DataIter → Iterator
    Annotations
    @throws( classOf[NoSuchElementException] )
  60. def nonEmpty: Boolean

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

    Permalink
    Definition Classes
    AnyRef
  62. final def notifyAll(): Unit

    Permalink
    Definition Classes
    AnyRef
  63. def padTo[A1 >: DataBatch](len: Int, elem: A1): Iterator[A1]

    Permalink
    Definition Classes
    Iterator
  64. def partition(p: (DataBatch) ⇒ Boolean): (Iterator[DataBatch], Iterator[DataBatch])

    Permalink
    Definition Classes
    Iterator
  65. def patch[B >: DataBatch](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]

    Permalink
    Definition Classes
    Iterator
  66. def product[B >: DataBatch](implicit num: Numeric[B]): B

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  67. def reduce[A1 >: DataBatch](op: (A1, A1) ⇒ A1): A1

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  68. def reduceLeft[B >: DataBatch](op: (B, DataBatch) ⇒ B): B

    Permalink
    Definition Classes
    TraversableOnce
  69. def reduceLeftOption[B >: DataBatch](op: (B, DataBatch) ⇒ B): Option[B]

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  70. def reduceOption[A1 >: DataBatch](op: (A1, A1) ⇒ A1): Option[A1]

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  71. def reduceRight[B >: DataBatch](op: (DataBatch, B) ⇒ B): B

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  72. def reduceRightOption[B >: DataBatch](op: (DataBatch, B) ⇒ B): Option[B]

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  73. def reversed: List[DataBatch]

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

    Permalink
    Definition Classes
    Iterator
  75. def scanLeft[B](z: B)(op: (B, DataBatch) ⇒ B): Iterator[B]

    Permalink
    Definition Classes
    Iterator
  76. def scanRight[B](z: B)(op: (DataBatch, B) ⇒ B): Iterator[B]

    Permalink
    Definition Classes
    Iterator
  77. def seq: Iterator[DataBatch]

    Permalink
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  78. def size: Int

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  79. def slice(from: Int, until: Int): Iterator[DataBatch]

    Permalink
    Definition Classes
    Iterator
  80. def sliding[B >: DataBatch](size: Int, step: Int): GroupedIterator[B]

    Permalink
    Definition Classes
    Iterator
  81. def span(p: (DataBatch) ⇒ Boolean): (Iterator[DataBatch], Iterator[DataBatch])

    Permalink
    Definition Classes
    Iterator
  82. def sum[B >: DataBatch](implicit num: Numeric[B]): B

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

    Permalink
    Definition Classes
    AnyRef
  84. def take(n: Int): Iterator[DataBatch]

    Permalink
    Definition Classes
    Iterator
  85. def takeWhile(p: (DataBatch) ⇒ Boolean): Iterator[DataBatch]

    Permalink
    Definition Classes
    Iterator
  86. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, DataBatch, Col[DataBatch]]): Col[DataBatch]

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  87. def toArray[B >: DataBatch](implicit arg0: ClassTag[B]): Array[B]

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  88. def toBuffer[B >: DataBatch]: Buffer[B]

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  89. def toIndexedSeq: IndexedSeq[DataBatch]

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  90. def toIterable: Iterable[DataBatch]

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  91. def toIterator: Iterator[DataBatch]

    Permalink
    Definition Classes
    Iterator → GenTraversableOnce
  92. def toList: List[DataBatch]

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

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  94. def toSeq: Seq[DataBatch]

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  95. def toSet[B >: DataBatch]: Set[B]

    Permalink
    Definition Classes
    TraversableOnce → GenTraversableOnce
  96. def toStream: Stream[DataBatch]

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

    Permalink
    Definition Classes
    Iterator → AnyRef → Any
  98. def toTraversable: Traversable[DataBatch]

    Permalink
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  99. def toVector: Vector[DataBatch]

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

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

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

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  103. def withFilter(p: (DataBatch) ⇒ Boolean): Iterator[DataBatch]

    Permalink
    Definition Classes
    Iterator
  104. def zip[B](that: Iterator[B]): Iterator[(DataBatch, B)]

    Permalink
    Definition Classes
    Iterator
  105. def zipAll[B, A1 >: DataBatch, B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]

    Permalink
    Definition Classes
    Iterator
  106. def zipWithIndex: Iterator[(DataBatch, Int)]

    Permalink
    Definition Classes
    Iterator

Inherited from Iterator[DataBatch]

Inherited from TraversableOnce[DataBatch]

Inherited from GenTraversableOnce[DataBatch]

Inherited from AnyRef

Inherited from Any

Ungrouped