Package com.landawn.abacus.util

Class u.OptionalBoolean

java.lang.Object

com.landawn.abacus.util.u.OptionalBoolean

All Implemented Interfaces:

Immutable, Comparable<u.OptionalBoolean>

Enclosing class:

u

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

The Class OptionalBoolean.

Field Summary

Fields

Modifier and Type	Field	Description
static final u.OptionalBoolean	FALSE	Presents true.
static final u.OptionalBoolean	TRUE	Presents true.

Method Summary

Modifier and Type	Method	Description
u.Optional<Boolean>	boxed()
int	compareTo(u.OptionalBoolean optional)
static u.OptionalBoolean	empty()
boolean	equals(Object obj)
<E extends Exception> u.OptionalBoolean	filter(Throwables.BooleanPredicate<E> predicate)
<E extends Exception> u.OptionalBoolean	flatMap(Throwables.BooleanFunction<u.OptionalBoolean,E> mapper)
boolean	get()
int	hashCode()
<E extends Exception> u.OptionalBoolean	ifPresent(Throwables.BooleanConsumer<E> action)
<E extends Exception, E2 extends Exception> u.OptionalBoolean	ifPresentOrElse(Throwables.BooleanConsumer<E> action, Throwables.Runnable<E2> emptyAction)	If present or else.
boolean	isEmpty()
boolean	isPresent()
<E extends Exception> u.OptionalBoolean	map(Throwables.BooleanUnaryOperator<E> mapper)
<T, E extends Exception> u.Optional<T>	mapToNonNull(Throwables.BooleanFunction<T,E> mapper)
<T, E extends Exception> u.Nullable<T>	mapToObj(Throwables.BooleanFunction<T,E> mapper)	Map to obj.
static u.OptionalBoolean	of(boolean value)
static u.OptionalBoolean	ofNullable(Boolean val)
<E extends Exception> u.OptionalBoolean	or(Throwables.Supplier<u.OptionalBoolean,E> supplier)
boolean	orElse(boolean other)
<E extends Exception> boolean	orElseGet(Throwables.BooleanSupplier<E> other)	Or else get.
boolean	orElseThrow()	Or else throw.
<X extends Throwable> boolean	orElseThrow(Supplier<? extends X> exceptionSupplier)	Or else throw.
boolean	orFalse()	Deprecated. use invalid @link {@link #orElse(false) }
boolean	orTrue()	Deprecated. use invalid @link {@link #orElse(true) }
Stream<Boolean>	stream()
ImmutableList<Boolean>	toImmutableList()	To immutable list.
ImmutableSet<Boolean>	toImmutableSet()	To immutable set.
List<Boolean>	toList()
Set<Boolean>	toSet()
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Details

TRUE

public static final u.OptionalBoolean TRUE

Presents true.

FALSE

public static final u.OptionalBoolean FALSE

Presents true.

Method Details

empty

public static u.OptionalBoolean empty()

Returns:

of

public static u.OptionalBoolean of(boolean value)

Parameters:

value -

Returns:

ofNullable

public static u.OptionalBoolean ofNullable(Boolean val)

Parameters:

val -

Returns:

get

public boolean 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.OptionalBoolean ifPresent(Throwables.BooleanConsumer<E> action)
                                                  throws E

Type Parameters:

E -

Parameters:

action -

Returns:

Throws:

E - the e

ifPresentOrElse

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

If present or else.

Type Parameters:

E -

E2 -

Parameters:

action -

emptyAction -

Returns:

Throws:

E - the e

E2 - the e2

filter

public <E extends Exception> u.OptionalBoolean filter(Throwables.BooleanPredicate<E> predicate)
                                               throws E

Type Parameters:

E -

Parameters:

predicate -

Returns:

Throws:

E - the e

map

public <E extends Exception> u.OptionalBoolean map(Throwables.BooleanUnaryOperator<E> mapper)
                                            throws E

Type Parameters:

E -

Parameters:

mapper -

Returns:

Throws:

E - the e

mapToObj

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

Map to obj.

Type Parameters:

T -

E -

Parameters:

mapper -

Returns:

Throws:

E - the e

mapToNonNull

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

Throws:

E extends Exception

flatMap

public <E extends Exception> u.OptionalBoolean flatMap(Throwables.BooleanFunction<u.OptionalBoolean,E> mapper)
                                                throws E

Type Parameters:

E -

Parameters:

mapper -

Returns:

Throws:

E - the e

or

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

Type Parameters:

E -

Parameters:

supplier -

Returns:

Throws:

E - the e

orFalse

@Deprecated
public boolean orFalse()

Deprecated.

use

invalid @link

{@link #orElse(false)

}

Returns:

orTrue

@Deprecated
public boolean orTrue()

Deprecated.

use

invalid @link

{@link #orElse(true)

}

Returns:

orElse

public boolean orElse(boolean other)

Parameters:

other -

Returns:

orElseGet

public <E extends Exception> boolean orElseGet(Throwables.BooleanSupplier<E> other)
                                        throws E

Or else get.

Type Parameters:

E -

Parameters:

other -

Returns:

Throws:

E - the e

orElseThrow

public boolean orElseThrow()
                    throws NoSuchElementException

Or else throw.

Returns:

Throws:

NoSuchElementException - the no such element exception

orElseThrow

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

Or else throw.

Type Parameters:

X -

Parameters:

exceptionSupplier -

Returns:

Throws:

X - the x

stream

public Stream<Boolean> stream()

Returns:

toList

public List<Boolean> toList()

Returns:

toSet

public Set<Boolean> toSet()

Returns:

toImmutableList

public ImmutableList<Boolean> toImmutableList()

To immutable list.

Returns:

toImmutableSet

public ImmutableSet<Boolean> toImmutableSet()

To immutable set.

Returns:

boxed

public u.Optional<Boolean> boxed()

Returns:

compareTo

public int compareTo(u.OptionalBoolean optional)

Specified by:

compareTo in interface Comparable<u.OptionalBoolean>

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: