overflowdb.util

Class IteratorUtils

java.lang.Object

overflowdb.util.IteratorUtils

public class IteratorUtils
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IteratorUtils.SingleIterator<A>

Constructor Summary

Constructors

Constructor and Description
IteratorUtils()

Method Summary

Modifier and Type	Method and Description
static <S> java.util.Iterator<S>	filter(java.util.Iterator<S> iterator, java.util.function.Predicate<S> predicate)
static <S,E> java.util.Iterator<E>	flatMap(java.util.Iterator<S> iterator, java.util.function.Function<S,java.util.Iterator<E>> function)
static <A> java.util.Iterator<A>	from(A... as)
static <A> java.util.Iterator<A>	fromSingle(A a)
static <S,E> java.util.Iterator<E>	map(java.util.Iterator<S> iterator, java.util.function.Function<S,E> function)
static <A> java.util.ArrayList<A>	toArrayList(java.util.Iterator<A> iterator)

Methods inherited from class java.lang.Object

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

Constructor Detail

IteratorUtils

public IteratorUtils()

Method Detail

toArrayList

public static <A> java.util.ArrayList<A> toArrayList(java.util.Iterator<A> iterator)

fromSingle

public static <A> java.util.Iterator<A> fromSingle(A a)

from

public static <A> java.util.Iterator<A> from(A... as)

map

public static final <S,E> java.util.Iterator<E> map(java.util.Iterator<S> iterator,
                                                    java.util.function.Function<S,E> function)

flatMap

public static final <S,E> java.util.Iterator<E> flatMap(java.util.Iterator<S> iterator,
                                                        java.util.function.Function<S,java.util.Iterator<E>> function)

filter

public static final <S> java.util.Iterator<S> filter(java.util.Iterator<S> iterator,
                                                     java.util.function.Predicate<S> predicate)