xgboost4j-spark_2.12 1.4.1 API < Back
 

# Packages

-  package root
  Definition Classes
    root
-  package ml
  Definition Classes
    root
-  package dmlc
  Definition Classes
    ml
-  package xgboost4j
  Definition Classes
    dmlc
-  package scala
  Definition Classes
    xgboost4j
-  package spark
  Definition Classes
    scala
-  object XGBoost extends Serializable
  Definition Classes
    spark
- IteratorWrapper

c

ml.dmlc.xgboost4j.scala.spark.XGBoost

# IteratorWrapper 

###

#### class IteratorWrapper[T] extends Iterator[(String, Iterator[T])]

Linear Supertypes
Iterator[(String, Iterator[T])], TraversableOnce[(String, Iterator[T])], GenTraversableOnce[(String, Iterator[T])], AnyRef, Any
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2. By Inheritance

Inherited

1. IteratorWrapper
2. Iterator
3. TraversableOnce
4. GenTraversableOnce
5. AnyRef
6. Any

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Visibility

1. Public
2. All

### Instance Constructors

1.  new IteratorWrapper(arrayOfXGBLabeledPoints: Array[(String, Iterator[T])])

### Type Members

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

### Value Members

1.  final def !=(arg0: Any): Boolean
   Definition Classes
     AnyRef → Any
2.  final def ##(): Int
   Definition Classes
     AnyRef → Any
3.  def ++[B >: (String, Iterator[T])](that: ⇒ GenTraversableOnce[B]): Iterator[B]
   Definition Classes
     Iterator
4.  def /:[B](z: B)(op: (B, (String, Iterator[T])) ⇒ B): B
   Definition Classes
     TraversableOnce → GenTraversableOnce
5.  def :\[B](z: B)(op: ((String, Iterator[T]), B) ⇒ B): B
   Definition Classes
     TraversableOnce → GenTraversableOnce
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, (String, Iterator[T])) ⇒ B, combop: (B, B) ⇒ B): B
    Definition Classes
      TraversableOnce → GenTraversableOnce
11.  final def asInstanceOf[T0]: T0
    Definition Classes
      Any
12.  def buffered: BufferedIterator[(String, Iterator[T])]
    Definition Classes
      Iterator
13.  def clone(): AnyRef
    Attributes
      protected[java.lang]
    Definition Classes
      AnyRef
    Annotations
      @native() @throws( ... )
14.  def collect[B](pf: PartialFunction[(String, Iterator[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[(String, Iterator[T]), B]): Option[B]
    Definition Classes
      TraversableOnce
16.  def contains(elem: Any): Boolean
    Definition Classes
      Iterator
17.  def copyToArray[B >: (String, Iterator[T])](xs: Array[B], start: Int, len: Int): Unit
    Definition Classes
      Iterator → TraversableOnce → GenTraversableOnce
18.  def copyToArray[B >: (String, Iterator[T])](xs: Array[B]): Unit
    Definition Classes
      TraversableOnce → GenTraversableOnce
19.  def copyToArray[B >: (String, Iterator[T])](xs: Array[B], start: Int): Unit
    Definition Classes
      TraversableOnce → GenTraversableOnce
20.  def copyToBuffer[B >: (String, Iterator[T])](dest: Buffer[B]): Unit
    Definition Classes
      TraversableOnce
21.  def corresponds[B](that: GenTraversableOnce[B])(p: ((String, Iterator[T]), B) ⇒ Boolean): Boolean
    Definition Classes
      Iterator
22.  def count(p: ((String, Iterator[T])) ⇒ Boolean): Int
    Definition Classes
      TraversableOnce → GenTraversableOnce
23.  def drop(n: Int): Iterator[(String, Iterator[T])]
    Definition Classes
      Iterator
24.  def dropWhile(p: ((String, Iterator[T])) ⇒ Boolean): Iterator[(String, Iterator[T])]
    Definition Classes
      Iterator
25.  def duplicate: (Iterator[(String, Iterator[T])], Iterator[(String, Iterator[T])])
    Definition Classes
      Iterator
26.  final def eq(arg0: AnyRef): Boolean
    Definition Classes
      AnyRef
27.  def equals(arg0: Any): Boolean
    Definition Classes
      AnyRef → Any
28.  def exists(p: ((String, Iterator[T])) ⇒ Boolean): Boolean
    Definition Classes
      Iterator → TraversableOnce → GenTraversableOnce
29.  def filter(p: ((String, Iterator[T])) ⇒ Boolean): Iterator[(String, Iterator[T])]
    Definition Classes
      Iterator
30.  def filterNot(p: ((String, Iterator[T])) ⇒ Boolean): Iterator[(String, Iterator[T])]
    Definition Classes
      Iterator
31.  def finalize(): Unit
    Attributes
      protected[java.lang]
    Definition Classes
      AnyRef
    Annotations
      @throws( classOf[java.lang.Throwable] )
32.  def find(p: ((String, Iterator[T])) ⇒ Boolean): Option[(String, Iterator[T])]
    Definition Classes
      Iterator → TraversableOnce → GenTraversableOnce
33.  def flatMap[B](f: ((String, Iterator[T])) ⇒ GenTraversableOnce[B]): Iterator[B]
    Definition Classes
      Iterator
34.  def fold[A1 >: (String, Iterator[T])](z: A1)(op: (A1, A1) ⇒ A1): A1
    Definition Classes
      TraversableOnce → GenTraversableOnce
35.  def foldLeft[B](z: B)(op: (B, (String, Iterator[T])) ⇒ B): B
    Definition Classes
      TraversableOnce → GenTraversableOnce
36.  def foldRight[B](z: B)(op: ((String, Iterator[T]), B) ⇒ B): B
    Definition Classes
      TraversableOnce → GenTraversableOnce
37.  def forall(p: ((String, Iterator[T])) ⇒ Boolean): Boolean
    Definition Classes
      Iterator → TraversableOnce → GenTraversableOnce
38.  def foreach[U](f: ((String, Iterator[T])) ⇒ U): Unit
    Definition Classes
      Iterator → TraversableOnce → GenTraversableOnce
39.  final def getClass(): Class[_]
    Definition Classes
      AnyRef → Any
    Annotations
      @native()
40.  def grouped[B >: (String, Iterator[T])](size: Int): GroupedIterator[B]
    Definition Classes
      Iterator
41.  def hasDefiniteSize: Boolean
    Definition Classes
      Iterator → TraversableOnce → GenTraversableOnce
42.  def hasNext: Boolean
    Definition Classes
      IteratorWrapper → Iterator
43.  def hashCode(): Int
    Definition Classes
      AnyRef → Any
    Annotations
      @native()
44.  def indexOf[B >: (String, Iterator[T])](elem: B, from: Int): Int
    Definition Classes
      Iterator
45.  def indexOf[B >: (String, Iterator[T])](elem: B): Int
    Definition Classes
      Iterator
46.  def indexWhere(p: ((String, Iterator[T])) ⇒ Boolean, from: Int): Int
    Definition Classes
      Iterator
47.  def indexWhere(p: ((String, Iterator[T])) ⇒ 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: ((String, Iterator[T])) ⇒ B): Iterator[B]
    Definition Classes
      Iterator
53.  def max[B >: (String, Iterator[T])](implicit cmp: Ordering[B]): (String, Iterator[T])
    Definition Classes
      TraversableOnce → GenTraversableOnce
54.  def maxBy[B](f: ((String, Iterator[T])) ⇒ B)(implicit cmp: Ordering[B]): (String, Iterator[T])
    Definition Classes
      TraversableOnce → GenTraversableOnce
55.  def min[B >: (String, Iterator[T])](implicit cmp: Ordering[B]): (String, Iterator[T])
    Definition Classes
      TraversableOnce → GenTraversableOnce
56.  def minBy[B](f: ((String, Iterator[T])) ⇒ B)(implicit cmp: Ordering[B]): (String, Iterator[T])
    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(): (String, Iterator[T])
    Definition Classes
      IteratorWrapper → Iterator
62.  def nonEmpty: Boolean
    Definition Classes
      TraversableOnce → GenTraversableOnce
63.  final def notify(): Unit
    Definition Classes
      AnyRef
    Annotations
      @native()
64.  final def notifyAll(): Unit
    Definition Classes
      AnyRef
    Annotations
      @native()
65.  def padTo[A1 >: (String, Iterator[T])](len: Int, elem: A1): Iterator[A1]
    Definition Classes
      Iterator
66.  def partition(p: ((String, Iterator[T])) ⇒ Boolean): (Iterator[(String, Iterator[T])], Iterator[(String, Iterator[T])])
    Definition Classes
      Iterator
67.  def patch[B >: (String, Iterator[T])](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]
    Definition Classes
      Iterator
68.  def product[B >: (String, Iterator[T])](implicit num: Numeric[B]): B
    Definition Classes
      TraversableOnce → GenTraversableOnce
69.  def reduce[A1 >: (String, Iterator[T])](op: (A1, A1) ⇒ A1): A1
    Definition Classes
      TraversableOnce → GenTraversableOnce
70.  def reduceLeft[B >: (String, Iterator[T])](op: (B, (String, Iterator[T])) ⇒ B): B
    Definition Classes
      TraversableOnce
71.  def reduceLeftOption[B >: (String, Iterator[T])](op: (B, (String, Iterator[T])) ⇒ B): Option[B]
    Definition Classes
      TraversableOnce → GenTraversableOnce
72.  def reduceOption[A1 >: (String, Iterator[T])](op: (A1, A1) ⇒ A1): Option[A1]
    Definition Classes
      TraversableOnce → GenTraversableOnce
73.  def reduceRight[B >: (String, Iterator[T])](op: ((String, Iterator[T]), B) ⇒ B): B
    Definition Classes
      TraversableOnce → GenTraversableOnce
74.  def reduceRightOption[B >: (String, Iterator[T])](op: ((String, Iterator[T]), B) ⇒ B): Option[B]
    Definition Classes
      TraversableOnce → GenTraversableOnce
75.  def reversed: List[(String, Iterator[T])]
    Attributes
      protected[this]
    Definition Classes
      TraversableOnce
76.  def sameElements(that: Iterator[_]): Boolean
    Definition Classes
      Iterator
77.  def scanLeft[B](z: B)(op: (B, (String, Iterator[T])) ⇒ B): Iterator[B]
    Definition Classes
      Iterator
78.  def scanRight[B](z: B)(op: ((String, Iterator[T]), B) ⇒ B): Iterator[B]
    Definition Classes
      Iterator
79.  def seq: Iterator[(String, Iterator[T])]
    Definition Classes
      Iterator → TraversableOnce → GenTraversableOnce
80.  def size: Int
    Definition Classes
      TraversableOnce → GenTraversableOnce
81.  def sizeHintIfCheap: Int
    Attributes
      protected[scala.collection]
    Definition Classes
      GenTraversableOnce
82.  def slice(from: Int, until: Int): Iterator[(String, Iterator[T])]
    Definition Classes
      Iterator
83.  def sliceIterator(from: Int, until: Int): Iterator[(String, Iterator[T])]
    Attributes
      protected
    Definition Classes
      Iterator
84.  def sliding[B >: (String, Iterator[T])](size: Int, step: Int): GroupedIterator[B]
    Definition Classes
      Iterator
85.  def span(p: ((String, Iterator[T])) ⇒ Boolean): (Iterator[(String, Iterator[T])], Iterator[(String, Iterator[T])])
    Definition Classes
      Iterator
86.  def sum[B >: (String, Iterator[T])](implicit num: Numeric[B]): B
    Definition Classes
      TraversableOnce → GenTraversableOnce
87.  final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
      AnyRef
88.  def take(n: Int): Iterator[(String, Iterator[T])]
    Definition Classes
      Iterator
89.  def takeWhile(p: ((String, Iterator[T])) ⇒ Boolean): Iterator[(String, Iterator[T])]
    Definition Classes
      Iterator
90.  def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, (String, Iterator[T]), Col[(String, Iterator[T])]]): Col[(String, Iterator[T])]
    Definition Classes
      TraversableOnce → GenTraversableOnce
91.  def toArray[B >: (String, Iterator[T])](implicit arg0: ClassTag[B]): Array[B]
    Definition Classes
      TraversableOnce → GenTraversableOnce
92.  def toBuffer[B >: (String, Iterator[T])]: Buffer[B]
    Definition Classes
      TraversableOnce → GenTraversableOnce
93.  def toIndexedSeq: IndexedSeq[(String, Iterator[T])]
    Definition Classes
      TraversableOnce → GenTraversableOnce
94.  def toIterable: Iterable[(String, Iterator[T])]
    Definition Classes
      TraversableOnce → GenTraversableOnce
95.  def toIterator: Iterator[(String, Iterator[T])]
    Definition Classes
      Iterator → GenTraversableOnce
96.  def toList: List[(String, Iterator[T])]
    Definition Classes
      TraversableOnce → GenTraversableOnce
97.  def toMap[T, U](implicit ev: <:<[(String, Iterator[T]), (T, U)]): Map[T, U]
    Definition Classes
      TraversableOnce → GenTraversableOnce
98.  def toSeq: Seq[(String, Iterator[T])]
    Definition Classes
      TraversableOnce → GenTraversableOnce
99.  def toSet[B >: (String, Iterator[T])]: Set[B]
    Definition Classes
      TraversableOnce → GenTraversableOnce
100.  def toStream: Stream[(String, Iterator[T])]
     Definition Classes
       Iterator → GenTraversableOnce
101.  def toString(): String
     Definition Classes
       Iterator → AnyRef → Any
102.  def toTraversable: Traversable[(String, Iterator[T])]
     Definition Classes
       Iterator → TraversableOnce → GenTraversableOnce
103.  def toVector: Vector[(String, Iterator[T])]
     Definition Classes
       TraversableOnce → GenTraversableOnce
104.  final def wait(): Unit
     Definition Classes
       AnyRef
     Annotations
       @throws( ... )
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
       @native() @throws( ... )
107.  def withFilter(p: ((String, Iterator[T])) ⇒ Boolean): Iterator[(String, Iterator[T])]
     Definition Classes
       Iterator
108.  def zip[B](that: Iterator[B]): Iterator[((String, Iterator[T]), B)]
     Definition Classes
       Iterator
109.  def zipAll[B, A1 >: (String, Iterator[T]), B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]
     Definition Classes
       Iterator
110.  def zipWithIndex: Iterator[((String, Iterator[T]), Int)]
     Definition Classes
       Iterator

### Inherited from Iterator[(String, Iterator[T])]

### Inherited from TraversableOnce[(String, Iterator[T])]

### Inherited from GenTraversableOnce[(String, Iterator[T])]

### Inherited from AnyRef

### Inherited from Any

### Ungrouped