net.thevpc.nuts.runtime.standalone.util.iter

Class IteratorUtils

java.lang.Object

net.thevpc.nuts.runtime.standalone.util.iter.IteratorUtils

public class IteratorUtils
extends Object

Author:

thevpc

Constructor Summary

Constructors

Constructor and Description
IteratorUtils()

Method Summary

Modifier and Type	Method and Description
static <T> net.thevpc.nuts.NutsIterator<T>	coalesce(List<net.thevpc.nuts.NutsIterator<? extends T>> all)
static <T> net.thevpc.nuts.NutsIterator<T>	coalesce(net.thevpc.nuts.NutsIterator<? extends T>... all)
static <T> net.thevpc.nuts.NutsIterator<T>	coalesce2(List<net.thevpc.nuts.NutsIterator<T>> all)
static <T> CollectorIterator<T>	collector(Iterator<T> it)
static <T> net.thevpc.nuts.NutsIterator<T>	concat(List<net.thevpc.nuts.NutsIterator<? extends T>> all)
static <T> net.thevpc.nuts.NutsIterator<T>	concat(net.thevpc.nuts.NutsIterator<? extends T>... all)
static <T> net.thevpc.nuts.NutsIterator<T>	concatLists(List<net.thevpc.nuts.NutsIterator<? extends T>>... all)
static <F,T> net.thevpc.nuts.NutsIterator<T>	convertNonNull(net.thevpc.nuts.NutsIterator<F> from, Function<F,T> converter, String name)
static <F,T> net.thevpc.nuts.NutsIterator<F>	distinct(net.thevpc.nuts.NutsIterator<F> it, Function<F,T> converter)
static <T> net.thevpc.nuts.NutsIterator<T>	distinct(net.thevpc.nuts.NutsIterator<T> it)
static <T> boolean	isNullOrEmpty(Iterator<T> t)
static <T> net.thevpc.nuts.NutsIterator<T>	nonNull(net.thevpc.nuts.NutsIterator<T> t)
static <T> net.thevpc.nuts.NutsIterator<T>	nullifyIfEmpty(net.thevpc.nuts.NutsIterator<T> other)
static <T> net.thevpc.nuts.NutsIterator<T>	safe(IteratorErrorHandlerType type, net.thevpc.nuts.NutsIterator<T> t, net.thevpc.nuts.NutsSession session)
static <T> net.thevpc.nuts.NutsIterator<T>	safeIgnore(net.thevpc.nuts.NutsIterator<T> t, net.thevpc.nuts.NutsSession session)
static <T> net.thevpc.nuts.NutsIterator<T>	safePospone(net.thevpc.nuts.NutsIterator<T> t, net.thevpc.nuts.NutsSession session)
static <T> net.thevpc.nuts.NutsIterator<T>	sort(net.thevpc.nuts.NutsIterator<T> it, net.thevpc.nuts.NutsComparator<T> c, boolean removeDuplicates)
static <T> List<T>	toList(Iterator<T> it)
static <T> Set<T>	toSet(net.thevpc.nuts.NutsIterator<T> it)
static <T> Set<T>	toTreeSet(net.thevpc.nuts.NutsIterator<T> it, net.thevpc.nuts.NutsComparator<T> c)

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

safe

public static <T> net.thevpc.nuts.NutsIterator<T> safe(IteratorErrorHandlerType type,
                                                       net.thevpc.nuts.NutsIterator<T> t,
                                                       net.thevpc.nuts.NutsSession session)

safeIgnore

public static <T> net.thevpc.nuts.NutsIterator<T> safeIgnore(net.thevpc.nuts.NutsIterator<T> t,
                                                             net.thevpc.nuts.NutsSession session)

safePospone

public static <T> net.thevpc.nuts.NutsIterator<T> safePospone(net.thevpc.nuts.NutsIterator<T> t,
                                                              net.thevpc.nuts.NutsSession session)

isNullOrEmpty

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

nonNull

public static <T> net.thevpc.nuts.NutsIterator<T> nonNull(net.thevpc.nuts.NutsIterator<T> t)

concat

public static <T> net.thevpc.nuts.NutsIterator<T> concat(List<net.thevpc.nuts.NutsIterator<? extends T>> all)

coalesce2

public static <T> net.thevpc.nuts.NutsIterator<T> coalesce2(List<net.thevpc.nuts.NutsIterator<T>> all)

coalesce

public static <T> net.thevpc.nuts.NutsIterator<T> coalesce(net.thevpc.nuts.NutsIterator<? extends T>... all)

concat

public static <T> net.thevpc.nuts.NutsIterator<T> concat(net.thevpc.nuts.NutsIterator<? extends T>... all)

concatLists

public static <T> net.thevpc.nuts.NutsIterator<T> concatLists(List<net.thevpc.nuts.NutsIterator<? extends T>>... all)

coalesce

public static <T> net.thevpc.nuts.NutsIterator<T> coalesce(List<net.thevpc.nuts.NutsIterator<? extends T>> all)

convertNonNull

public static <F,T> net.thevpc.nuts.NutsIterator<T> convertNonNull(net.thevpc.nuts.NutsIterator<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(net.thevpc.nuts.NutsIterator<T> it)

toTreeSet

public static <T> Set<T> toTreeSet(net.thevpc.nuts.NutsIterator<T> it,
                                   net.thevpc.nuts.NutsComparator<T> c)

sort

public static <T> net.thevpc.nuts.NutsIterator<T> sort(net.thevpc.nuts.NutsIterator<T> it,
                                                       net.thevpc.nuts.NutsComparator<T> c,
                                                       boolean removeDuplicates)

distinct

public static <T> net.thevpc.nuts.NutsIterator<T> distinct(net.thevpc.nuts.NutsIterator<T> it)

distinct

public static <F,T> net.thevpc.nuts.NutsIterator<F> distinct(net.thevpc.nuts.NutsIterator<F> it,
                                                             Function<F,T> converter)

collector

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

nullifyIfEmpty

public static <T> net.thevpc.nuts.NutsIterator<T> nullifyIfEmpty(net.thevpc.nuts.NutsIterator<T> other)