Uses of Class
com.landawn.abacus.util.u.OptionalLong

Packages that use u.OptionalLong

Package	Description
com.landawn.abacus.util
com.landawn.abacus.util.stream

Uses of u.OptionalLong in com.landawn.abacus.util

Fields in com.landawn.abacus.util with type parameters of type u.OptionalLong

Modifier and Type	Field	Description
static final ToLongFunction<u.OptionalLong>	Fn.GET_AS_LONG
static final Predicate<u.OptionalLong>	Fn.IS_PRESENT_LONG

Methods in com.landawn.abacus.util that return u.OptionalLong

Modifier and Type	Method	Description
static u.OptionalLong	Numbers.createLong(String str)	Convert a String to a Long; since 3.1 it handles hex (0Xhhhh) and octal (0ddd) notations.
static u.OptionalLong	u.OptionalLong.empty()
<E extends Exception> u.OptionalLong	u.OptionalLong.filter(Throwables.LongPredicate<E> predicate)
<E extends Exception> u.OptionalLong	LongList.findFirst(Throwables.LongPredicate<E> predicate)
<E extends Exception> u.OptionalLong	LongList.findLast(Throwables.LongPredicate<E> predicate)
u.OptionalLong	LongIterator.first()
u.OptionalLong	LongList.first()
<E extends Exception> u.OptionalLong	u.OptionalLong.flatMap(Throwables.LongFunction<u.OptionalLong,E> mapper)
static u.OptionalLong	u.OptionalLong.from(OptionalLong op)
static <K> u.OptionalLong	Maps.getLong(Map<? super K,?> map, K key)	Returns an empty OptionalLong if the specified map is empty, or no value found by the specified key, or the value is null.
<E extends Exception> u.OptionalLong	u.OptionalLong.ifPresent(Throwables.LongConsumer<E> action)
<E extends Exception, E2 extends Exception> u.OptionalLong	u.OptionalLong.ifPresentOrElse(Throwables.LongConsumer<E> action, Throwables.Runnable<E2> emptyAction)	If present or else.
u.OptionalLong	LongList.kthLargest(int k)
u.OptionalLong	LongList.kthLargest(int fromIndex, int toIndex, int k)
u.OptionalLong	LongIterator.last()
u.OptionalLong	LongList.last()
<E extends Exception> u.OptionalLong	u.OptionalLong.map(Throwables.LongUnaryOperator<E> mapper)
<E extends Exception> u.OptionalLong	u.Nullable.mapToLong(Throwables.ToLongFunction<? super T,E> mapper)	Map to long.
<E extends Exception> u.OptionalLong	u.Optional.mapToLong(Throwables.ToLongFunction<? super T,E> mapper)	Map to long.
<E extends Exception> u.OptionalLong	u.OptionalDouble.mapToLong(Throwables.ToLongFunction<Double,E> mapper)	Map to long.
<E extends Exception> u.OptionalLong	u.OptionalInt.mapToLong(Throwables.ToLongFunction<Integer,E> mapper)	Map to long.
<E extends Exception> u.OptionalLong	u.Nullable.mapToLongIfNotNull(Throwables.ToLongFunction<? super T,E> mapper)	Map to long if not null.
static u.OptionalLong	Iterables.max(long... a)	Returns OptionalLong.empty() if the specified Array/Collection is null or empty.
u.OptionalLong	LongList.max()
u.OptionalLong	LongList.max(int fromIndex, int toIndex)
u.OptionalLong	LongList.median()
u.OptionalLong	LongList.median(int fromIndex, int toIndex)
static u.OptionalLong	Iterables.min(long... a)	Returns OptionalLong.empty() if the specified Array/Collection is null or empty.
u.OptionalLong	LongList.min()
u.OptionalLong	LongList.min(int fromIndex, int toIndex)
static u.OptionalLong	u.OptionalLong.of(long value)
static u.OptionalLong	u.OptionalLong.ofNullable(Long val)
<E extends Exception> u.OptionalLong	u.OptionalLong.or(Throwables.Supplier<u.OptionalLong,E> supplier)
<E extends Exception> u.OptionalLong	LongList.reduce(Throwables.LongBinaryOperator<E> accumulator)	This is equivalent to:
static <T extends Number> u.OptionalLong	Iterables.sumInt(Iterable<? extends T> c)	Returns OptionalLong.empty() if the specified Array/Collection is null or empty, or fromIndex == toIndex.
static <T, E extends Exception> u.OptionalLong	Iterables.sumInt(Iterable<? extends T> c, Throwables.ToIntFunction<? super T,E> func)	Returns OptionalLong.empty() if the specified Array/Collection is null or empty, or fromIndex == toIndex.
static <T extends Number> u.OptionalLong	Iterables.sumLong(Iterable<? extends T> c)	Returns OptionalLong.empty() if the specified Array/Collection is null or empty, or fromIndex == toIndex.
static <T, E extends Exception> u.OptionalLong	Iterables.sumLong(Iterable<? extends T> c, Throwables.ToLongFunction<? super T,E> func)	Returns OptionalLong.empty() if the specified Array/Collection is null or empty, or fromIndex == toIndex.

Methods in com.landawn.abacus.util that return types with arguments of type u.OptionalLong

Modifier and Type	Method	Description
static Pair<Long,u.OptionalLong>	Median.of(long... a)	Returns a Pair with left is the value at the index of (a.length - 1) / 2 when the array is sorted, and the right is the value at the index of a.length / 2 if the length of array is even.
static Pair<Long,u.OptionalLong>	Median.of(long[] a, int fromIndex, int toIndex)	Returns a Pair with left is the value at the index of (a.length - 1) / 2 when the array is sorted, and the right is the value at the index of a.length / 2 if the length of array is even.

Methods in com.landawn.abacus.util with parameters of type u.OptionalLong

Modifier and Type	Method	Description
int	u.OptionalLong.compareTo(u.OptionalLong optional)

Method parameters in com.landawn.abacus.util with type arguments of type u.OptionalLong

Modifier and Type	Method	Description
<E extends Exception> u.OptionalLong	u.OptionalLong.flatMap(Throwables.LongFunction<u.OptionalLong,E> mapper)
ExceptionalStream<Long,E>	ExceptionalStream.mapPartialToLong(Throwables.Function<? super T,u.OptionalLong,E> mapper)	Note: copied from StreamEx: https://github.com/amaembo/streamex
<E extends Exception> u.OptionalLong	u.OptionalLong.or(Throwables.Supplier<u.OptionalLong,E> supplier)

Uses of u.OptionalLong in com.landawn.abacus.util.stream

Methods in com.landawn.abacus.util.stream that return u.OptionalLong

Modifier and Type	Method	Description
abstract <E extends Exception> u.OptionalLong	LongStream.findAny(Throwables.LongPredicate<E> predicate)
abstract <E extends Exception> u.OptionalLong	LongStream.findFirst(Throwables.LongPredicate<E> predicate)
abstract <E extends Exception> u.OptionalLong	LongStream.findFirstOrAny(Throwables.LongPredicate<E> predicateForFirst)	Returns the first element matched by predicateForFirst if found or the first element if this stream is not empty Otherwise an empty OptionalLong will be returned.
abstract <E extends Exception> u.OptionalLong	LongStream.findFirstOrLast(Throwables.LongPredicate<E> predicateForFirst)	Returns the first element matched by predicateForFirst if found or the last element if this stream is not empty Otherwise an empty OptionalLong will be returned.
abstract <E extends Exception> u.OptionalLong	LongStream.findLast(Throwables.LongPredicate<E> predicate)	Consider using: stream.reversed().findFirst(predicate) for better performance if possible.
abstract u.OptionalLong	LongStream.kthLargest(int k)
abstract u.OptionalLong	LongStream.max()
abstract u.OptionalLong	LongStream.min()
abstract u.OptionalLong	LongStream.reduce(LongBinaryOperator op)

Methods in com.landawn.abacus.util.stream with parameters of type u.OptionalLong

Modifier and Type	Method	Description
static LongStream	LongStream.of(u.OptionalLong op)

Method parameters in com.landawn.abacus.util.stream with type arguments of type u.OptionalLong

Modifier and Type	Method	Description
abstract LongStream	LongStream.mapPartial(LongFunction<u.OptionalLong> mapper)	Note: copied from StreamEx: https://github.com/amaembo/streamex
abstract LongStream	Stream.mapPartialToLong(Function<? super T,u.OptionalLong> mapper)	Note: copied from StreamEx: https://github.com/amaembo/streamex