com.landawn.abacus.util

Class u.OptionalFloat

java.lang.Object

com.landawn.abacus.util.u.OptionalFloat

All Implemented Interfaces:

Immutable, Comparable<u.OptionalFloat>

Enclosing class:

u

@Immutable
public static final class u.OptionalFloat
extends Object
implements Comparable<u.OptionalFloat>, Immutable

The Class OptionalFloat.

Method Summary

Modifier and Type	Method and Description
u.Optional<Float>	boxed()
int	compareTo(u.OptionalFloat optional)
static u.OptionalFloat	empty()
boolean	equals(Object obj)
<E extends Exception> u.OptionalFloat	filter(Throwables.FloatPredicate<E> predicate)
<E extends Exception> u.OptionalFloat	flatMap(Throwables.FloatFunction<u.OptionalFloat,E> mapper)
float	get()
int	hashCode()
<E extends Exception> u.OptionalFloat	ifPresent(Throwables.FloatConsumer<E> action)
<E extends Exception,E2 extends Exception> u.OptionalFloat	ifPresentOrElse(Throwables.FloatConsumer<E> action, Throwables.Runnable<E2> emptyAction) If present or else.
boolean	isEmpty()
boolean	isPresent()
<E extends Exception> u.OptionalFloat	map(Throwables.FloatUnaryOperator<E> mapper)
<E extends Exception> u.OptionalDouble	mapToDouble(Throwables.ToDoubleFunction<Float,E> mapper) Map to double.
<E extends Exception> u.OptionalInt	mapToInt(Throwables.ToIntFunction<Float,E> mapper) Map to int.
<T,E extends Exception> u.Optional<T>	mapToNonNull(Throwables.FloatFunction<T,E> mapper)
<T,E extends Exception> u.Nullable<T>	mapToObj(Throwables.FloatFunction<T,E> mapper) Map to obj.
static u.OptionalFloat	of(float value)
static u.OptionalFloat	ofNullable(Float val)
<E extends Exception> u.OptionalFloat	or(Throwables.Supplier<u.OptionalFloat,E> supplier)
float	orElse(float other)
<E extends Exception> float	orElseGet(Throwables.FloatSupplier<E> other) Or else get.
float	orElseThrow() Or else throw.
<X extends Throwable> float	orElseThrow(Supplier<? extends X> exceptionSupplier) Or else throw.
float	orZero()
ImmutableList<Float>	toImmutableList() To immutable list.
ImmutableSet<Float>	toImmutableSet() To immutable set.
List<Float>	toList()
Set<Float>	toSet()
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

empty

public static u.OptionalFloat empty()

Returns:

of

public static u.OptionalFloat of(float value)

Parameters:

value -

Returns:

ofNullable

public static u.OptionalFloat ofNullable(Float val)

Parameters:

val -

Returns:

get

public float get()
          throws NoSuchElementException

Returns:

Throws:

NoSuchElementException - the no such element exception

isPresent

public boolean isPresent()

isEmpty

public boolean isEmpty()

ifPresent

public <E extends Exception> u.OptionalFloat ifPresent(Throwables.FloatConsumer<E> action)
                                                throws E extends Exception

Type Parameters:

E -

Parameters:

action -

Returns:

Throws:

E - the e

E extends Exception

ifPresentOrElse

public <E extends Exception,E2 extends Exception> u.OptionalFloat ifPresentOrElse(Throwables.FloatConsumer<E> action,
                                                                                  Throwables.Runnable<E2> emptyAction)
                                                                           throws E extends Exception,
                                                                                  E2 extends Exception

If present or else.

Type Parameters:

E -

E2 -

Parameters:

action -

emptyAction -

Returns:

Throws:

E - the e

E2 - the e2

E extends Exception

filter

public <E extends Exception> u.OptionalFloat filter(Throwables.FloatPredicate<E> predicate)
                                             throws E extends Exception

Type Parameters:

E -

Parameters:

predicate -

Returns:

Throws:

E - the e

E extends Exception

map

public <E extends Exception> u.OptionalFloat map(Throwables.FloatUnaryOperator<E> mapper)
                                          throws E extends Exception

Type Parameters:

E -

Parameters:

mapper -

Returns:

Throws:

E - the e

E extends Exception

mapToInt

public <E extends Exception> u.OptionalInt mapToInt(Throwables.ToIntFunction<Float,E> mapper)
                                             throws E extends Exception

Map to int.

Type Parameters:

E -

Parameters:

mapper -

Returns:

Throws:

E - the e

E extends Exception

mapToDouble

public <E extends Exception> u.OptionalDouble mapToDouble(Throwables.ToDoubleFunction<Float,E> mapper)
                                                   throws E extends Exception

Map to double.

Type Parameters:

E -

Parameters:

mapper -

Returns:

Throws:

E - the e

E extends Exception

mapToObj

public <T,E extends Exception> u.Nullable<T> mapToObj(Throwables.FloatFunction<T,E> mapper)
                                               throws E extends Exception

Map to obj.

Type Parameters:

T -

E -

Parameters:

mapper -

Returns:

Throws:

E - the e

E extends Exception

mapToNonNull

public <T,E extends Exception> u.Optional<T> mapToNonNull(Throwables.FloatFunction<T,E> mapper)
                                                   throws E extends Exception

Throws:

E extends Exception

flatMap

public <E extends Exception> u.OptionalFloat flatMap(Throwables.FloatFunction<u.OptionalFloat,E> mapper)
                                              throws E extends Exception

Type Parameters:

E -

Parameters:

mapper -

Returns:

Throws:

E - the e

E extends Exception

or

public <E extends Exception> u.OptionalFloat or(Throwables.Supplier<u.OptionalFloat,E> supplier)
                                         throws E extends Exception

Type Parameters:

E -

Parameters:

supplier -

Returns:

Throws:

E - the e

E extends Exception

orZero

public float orZero()

Returns:

orElseThrow

public float orElseThrow()
                  throws NoSuchElementException

Or else throw.

Returns:

Throws:

NoSuchElementException - the no such element exception

orElse

public float orElse(float other)

Parameters:

other -

Returns:

orElseGet

public <E extends Exception> float orElseGet(Throwables.FloatSupplier<E> other)
                                      throws E extends Exception

Or else get.

Type Parameters:

E -

Parameters:

other -

Returns:

Throws:

E - the e

E extends Exception

orElseThrow

public <X extends Throwable> float orElseThrow(Supplier<? extends X> exceptionSupplier)
                                        throws X extends Throwable

Or else throw.

Type Parameters:

X -

Parameters:

exceptionSupplier -

Returns:

Throws:

X - the x

X extends Throwable

toList

public List<Float> toList()

Returns:

toSet

public Set<Float> toSet()

Returns:

toImmutableList

public ImmutableList<Float> toImmutableList()

To immutable list.

Returns:

toImmutableSet

public ImmutableSet<Float> toImmutableSet()

To immutable set.

Returns:

boxed

public u.Optional<Float> boxed()

Returns:

compareTo

public int compareTo(u.OptionalFloat optional)

Specified by:

compareTo in interface Comparable<u.OptionalFloat>

Parameters:

optional -

Returns:

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

Parameters:

obj -

Returns:

hashCode

public int hashCode()

Overrides:

hashCode in class Object

Returns:

toString

public String toString()

Overrides:

toString in class Object

Returns: