Package io.karma.kommons.collection

Class CollectionUtils

java.lang.Object

io.karma.kommons.collection.CollectionUtils

@API(status=STABLE)
public final class CollectionUtils
extends Object

Since:

02/02/2022

Method Summary

Modifier and Type	Method	Description
static <T> List<T>	asList(Collection<T> collection)
static <T, C extends Collection<T>> C	collectFutures(Collection<? extends Future<? extends T>> futures, Supplier<? extends C> factory)
static <T, C extends Collection<T>> C	flatMapFutures(Collection<? extends Future<? extends Collection<? extends T>>> futures, Supplier<? extends C> factory)
static <T, C extends Collection<T>> C	fromIterable(Iterable<? extends T> iterable, Supplier<? extends C> factory)
static <T, C extends Collection<T>> C	fromIterator(Iterator<? extends T> iterator, Supplier<? extends C> factory)
static <K, V, M extends Map<V, K>> M	reverseMap(@Nullable Map<? extends K,? extends V> map)
static <K, V, M extends Map<V, K>> M	reverseMap(@Nullable Map<? extends K,? extends V> map, @Nullable Supplier<? extends Map<? extends V,? extends K>> factory)

Methods inherited from class java.lang.Object

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

Method Details

asList

public static <T> List<T> asList(Collection<T> collection)

fromIterator

public static <T,
C extends Collection<T>> C fromIterator(Iterator<? extends T> iterator,
 Supplier<? extends C> factory)

fromIterable

public static <T,
C extends Collection<T>> C fromIterable(Iterable<? extends T> iterable,
 Supplier<? extends C> factory)

collectFutures

public static <T,
C extends Collection<T>> C collectFutures(Collection<? extends Future<? extends T>> futures,
 Supplier<? extends C> factory)

flatMapFutures

public static <T,
C extends Collection<T>> C flatMapFutures(Collection<? extends Future<? extends Collection<? extends T>>> futures,
 Supplier<? extends C> factory)

reverseMap

@Nullable
public static <K,
V,
M extends Map<V,
K>> M reverseMap(@Nullable
 @Nullable Map<? extends K,? extends V> map,
 @Nullable
 @Nullable Supplier<? extends Map<? extends V,? extends K>> factory)

reverseMap

@Nullable
public static <K,
V,
M extends Map<V,
K>> M reverseMap(@Nullable
 @Nullable Map<? extends K,? extends V> map)