org.panda_lang.utilities.commons

Class StreamUtils

java.lang.Object

org.panda_lang.utilities.commons.StreamUtils

public final class StreamUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static <T> int	count(Iterable<T> iterable, Predicate<T> filter)
static <T> BinaryOperator<T>	emptyBinaryOperator()
static <T> Optional<T>	findFirst(Iterable<T> iterable, Predicate<T> filter)
static <R,T> Collection<R>	map(Iterable<T> iterable, Function<T,R> mapper)
static <T> int	sum(Iterable<T> iterable, ToIntFunction<? super T> function)
static <T> long	sumLongs(Iterable<T> iterable, ToLongFunction<? super T> function)

Methods inherited from class java.lang.Object

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

Method Detail

sum

public static <T> int sum(Iterable<T> iterable,
                          ToIntFunction<? super T> function)

sumLongs

public static <T> long sumLongs(Iterable<T> iterable,
                                ToLongFunction<? super T> function)

count

public static <T> int count(Iterable<T> iterable,
                            Predicate<T> filter)

findFirst

public static <T> Optional<T> findFirst(Iterable<T> iterable,
                                        Predicate<T> filter)

map

public static <R,T> Collection<R> map(Iterable<T> iterable,
                                      Function<T,R> mapper)

emptyBinaryOperator

public static <T> BinaryOperator<T> emptyBinaryOperator()