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 and Description
static u.OptionalBoolean	FALSE Presents true.
static u.OptionalBoolean	TRUE Presents true.

Method Summary

Modifier and Type	Method and 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()
boolean	orTrue()
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 Detail

TRUE

public static final u.OptionalBoolean TRUE

Presents true.

FALSE

public static final u.OptionalBoolean FALSE

Presents true.

Method Detail

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 extends Exception

Type Parameters:

E -

Parameters:

action -

Returns:

Throws:

E - the e

E extends Exception

ifPresentOrElse

public <E extends Exception,E2 extends Exception> u.OptionalBoolean ifPresentOrElse(Throwables.BooleanConsumer<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.OptionalBoolean filter(Throwables.BooleanPredicate<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.OptionalBoolean map(Throwables.BooleanUnaryOperator<E> mapper)
                                            throws E extends Exception

Type Parameters:

E -

Parameters:

mapper -

Returns:

Throws:

E - the e

E extends Exception

mapToObj

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

Throws:

E extends Exception

flatMap

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

Type Parameters:

E -

Parameters:

supplier -

Returns:

Throws:

E - the e

E extends Exception

orFalse

public boolean orFalse()

Returns:

orTrue

public boolean orTrue()

Returns:

orElseThrow

public boolean orElseThrow()
                    throws NoSuchElementException

Or else throw.

Returns:

Throws:

NoSuchElementException - the no such element exception

orElse

public boolean orElse(boolean other)

Parameters:

other -

Returns:

orElseGet

public <E extends Exception> boolean orElseGet(Throwables.BooleanSupplier<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> boolean 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<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: