net.thevpc.nuts.runtime.standalone.util.collections

Class NIteratorUtils

java.lang.Object

net.thevpc.nuts.runtime.standalone.util.collections.NIteratorUtils

public class NIteratorUtils
extends Object

Author:

thevpc

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NIteratorUtils.NIteratorOnClose<T>

Constructor Summary

Constructors

Constructor and Description
NIteratorUtils()

Method Summary

Modifier and Type	Method and Description
static <T> NIterator<T>	autoClosable(NIterator<T> t, NRunnable close)
static <T> NIterator<T>	coalesce(List<NIterator<? extends T>> all)
static <T> NIterator<T>	coalesce(NIterator<? extends T>... all)
static <T> NIterator<T>	coalesce2(List<NIterator<T>> all)
static <T> NIteratorFromJavaIterator<T>	collector(Iterator<T> it)
static <T> NIterator<T>	concat(List<NIterator<? extends T>> all)
static <T> NIterator<T>	concat(NIterator<? extends T>... all)
static <T> NIterator<T>	concatLists(List<NIterator<? extends T>>... all)
static <F,T> NIterator<T>	convertNonNull(NIterator<F> from, Function<F,T> converter, String name)
static <F,T> NIterator<F>	distinct(NIterator<F> it, Function<F,T> converter)
static <T> NIterator<T>	distinct(NIterator<T> it)
static <T> boolean	isNullOrEmpty(Iterator<T> t)
static <T> NIterator<T>	nonNull(NIterator<T> t)
static <T> NIterator<T>	nullifyIfEmpty(NIterator<T> other)
static <T> NIterator<T>	safe(NIteratorErrorHandlerType type, NIterator<T> t)
static <T> NIterator<T>	safeIgnore(NIterator<T> t)
static <T> NIterator<T>	safePospone(NIterator<T> t)
static <T> NIterator<T>	sort(NIterator<T> it, NComparator<T> c, boolean removeDuplicates)
static <T> List<T>	toList(Iterator<T> it)
static <T> Set<T>	toSet(NIterator<T> it)
static <T> Set<T>	toTreeSet(NIterator<T> it, NComparator<T> c)

Methods inherited from class java.lang.Object

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

Constructor Detail

NIteratorUtils

public NIteratorUtils()

Method Detail

autoClosable

public static <T> NIterator<T> autoClosable(NIterator<T> t,
                                            NRunnable close)

safe

public static <T> NIterator<T> safe(NIteratorErrorHandlerType type,
                                    NIterator<T> t)

safeIgnore

public static <T> NIterator<T> safeIgnore(NIterator<T> t)

safePospone

public static <T> NIterator<T> safePospone(NIterator<T> t)

isNullOrEmpty

public static <T> boolean isNullOrEmpty(Iterator<T> t)

nonNull

public static <T> NIterator<T> nonNull(NIterator<T> t)

concat

public static <T> NIterator<T> concat(List<NIterator<? extends T>> all)

coalesce2

public static <T> NIterator<T> coalesce2(List<NIterator<T>> all)

coalesce

public static <T> NIterator<T> coalesce(NIterator<? extends T>... all)

concat

public static <T> NIterator<T> concat(NIterator<? extends T>... all)

concatLists

public static <T> NIterator<T> concatLists(List<NIterator<? extends T>>... all)

coalesce

public static <T> NIterator<T> coalesce(List<NIterator<? extends T>> all)

convertNonNull

public static <F,T> NIterator<T> convertNonNull(NIterator<F> from,
                                                Function<F,T> converter,
                                                String name)

toList

public static <T> List<T> toList(Iterator<T> it)

toSet

public static <T> Set<T> toSet(NIterator<T> it)

toTreeSet

public static <T> Set<T> toTreeSet(NIterator<T> it,
                                   NComparator<T> c)

sort

public static <T> NIterator<T> sort(NIterator<T> it,
                                    NComparator<T> c,
                                    boolean removeDuplicates)

distinct

public static <T> NIterator<T> distinct(NIterator<T> it)

distinct

public static <F,T> NIterator<F> distinct(NIterator<F> it,
                                          Function<F,T> converter)

collector

public static <T> NIteratorFromJavaIterator<T> collector(Iterator<T> it)

nullifyIfEmpty

public static <T> NIterator<T> nullifyIfEmpty(NIterator<T> other)