Module org.elasticsearch.server

Package org.elasticsearch.common.collect

Class Iterators

java.lang.Object

org.elasticsearch.common.collect.Iterators

public class Iterators
extends Object

Constructor Summary

Constructors

Constructor	Description
Iterators()

Method Summary

Modifier and Type	Method	Description
static <T> Iterator<T>	concat(Iterator<? extends T>... iterators)
static <T> boolean	equals(Iterator<? extends T> iterator1, Iterator<? extends T> iterator2, BiPredicate<T,T> itemComparer)
static <T, U> Iterator<U>	flatMap(Iterator<? extends T> input, Function<T,Iterator<? extends U>> fn)
static <T> Iterator<T>	forArray(T[] array)
static <T> Iterator<T>	forRange(int lowerBoundInclusive, int upperBoundExclusive, IntFunction<? extends T> fn)
static <T> int	hashCode(Iterator<? extends T> iterator, ToIntFunction<T> itemHashcode)
static <T, U> Iterator<U>	map(Iterator<? extends T> input, Function<T,? extends U> fn)
static <T> Iterator<T>	single(T element)	Returns a single element iterator over the supplied value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Iterators

public Iterators()

Method Details

single

public static <T> Iterator<T> single(T element)

Returns a single element iterator over the supplied value.

concat

@SafeVarargs
public static <T> Iterator<T> concat(Iterator<? extends T>... iterators)

forArray

public static <T> Iterator<T> forArray(T[] array)

forRange

public static <T> Iterator<T> forRange(int lowerBoundInclusive,
 int upperBoundExclusive,
 IntFunction<? extends T> fn)

map

public static <T,
U> Iterator<U> map(Iterator<? extends T> input,
 Function<T,? extends U> fn)

flatMap

public static <T,
U> Iterator<U> flatMap(Iterator<? extends T> input,
 Function<T,Iterator<? extends U>> fn)

equals

public static <T> boolean equals(Iterator<? extends T> iterator1,
 Iterator<? extends T> iterator2,
 BiPredicate<T,T> itemComparer)

hashCode

public static <T> int hashCode(Iterator<? extends T> iterator,
 ToIntFunction<T> itemHashcode)