Package com.landawn.abacus.util

Class u.OptionalByte

java.lang.Object

com.landawn.abacus.util.u.OptionalByte

All Implemented Interfaces:

Immutable, Comparable<u.OptionalByte>

Enclosing class:

u

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

The Class OptionalByte.

Method Summary

Modifier and Type	Method	Description
u.Optional<Byte>	boxed()
int	compareTo(u.OptionalByte optional)
static u.OptionalByte	empty()
boolean	equals(Object obj)
<E extends Exception> u.OptionalByte	filter(Throwables.BytePredicate<E> predicate)
<E extends Exception> u.OptionalByte	flatMap(Throwables.ByteFunction<u.OptionalByte,E> mapper)
byte	get()
int	hashCode()
<E extends Exception> u.OptionalByte	ifPresent(Throwables.ByteConsumer<E> action)
<E extends Exception, E2 extends Exception> u.OptionalByte	ifPresentOrElse(Throwables.ByteConsumer<E> action, Throwables.Runnable<E2> emptyAction)	If present or else.
boolean	isEmpty()
boolean	isPresent()
<E extends Exception> u.OptionalByte	map(Throwables.ByteUnaryOperator<E> mapper)
<E extends Exception> u.OptionalInt	mapToInt(Throwables.ToIntFunction<Byte,E> mapper)	Map to int.
<T, E extends Exception> u.Optional<T>	mapToNonNull(Throwables.ByteFunction<T,E> mapper)
<T, E extends Exception> u.Nullable<T>	mapToObj(Throwables.ByteFunction<T,E> mapper)	Map to obj.
static u.OptionalByte	of(byte value)
static u.OptionalByte	ofNullable(Byte val)
<E extends Exception> u.OptionalByte	or(Throwables.Supplier<u.OptionalByte,E> supplier)
byte	orElse(byte other)
<E extends Exception> byte	orElseGet(Throwables.ByteSupplier<E> other)	Or else get.
byte	orElseThrow()	Or else throw.
byte	orElseThrow(String errorMessage)	Or else throw.
byte	orElseThrow(String errorMessage, Object param)	Or else throw.
byte	orElseThrow(String errorMessage, Object... params)	Or else throw.
byte	orElseThrow(String errorMessage, Object param1, Object param2)	Or else throw.
byte	orElseThrow(String errorMessage, Object param1, Object param2, Object param3)	Or else throw.
<X extends Throwable> byte	orElseThrow(Supplier<? extends X> exceptionSupplier)	Or else throw.
byte	orElseZero()
byte	orZero()	Deprecated. use orElseZero()
ByteStream	stream()
ImmutableList<Byte>	toImmutableList()	To immutable list.
ImmutableSet<Byte>	toImmutableSet()	To immutable set.
List<Byte>	toList()
Set<Byte>	toSet()
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Details

empty

public static u.OptionalByte empty()

Returns:

of

public static u.OptionalByte of(byte value)

Parameters:

value -

Returns:

ofNullable

public static u.OptionalByte ofNullable(Byte val)

Parameters:

val -

Returns:

get

public byte get()
         throws NoSuchElementException

Returns:

Throws:

NoSuchElementException - the no such element exception

isPresent

public boolean isPresent()

Returns:

isEmpty

public boolean isEmpty()

Returns:

ifPresent

public <E extends Exception> u.OptionalByte ifPresent(Throwables.ByteConsumer<E> action)
                                               throws E

Type Parameters:

E -

Parameters:

action -

Returns:

Throws:

E - the e

ifPresentOrElse

public <E extends Exception,
E2 extends Exception>
u.OptionalByte ifPresentOrElse(Throwables.ByteConsumer<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.OptionalByte filter(Throwables.BytePredicate<E> predicate)
                                            throws E

Type Parameters:

E -

Parameters:

predicate -

Returns:

Throws:

E - the e

map

public <E extends Exception> u.OptionalByte map(Throwables.ByteUnaryOperator<E> mapper)
                                         throws E

Type Parameters:

E -

Parameters:

mapper -

Returns:

Throws:

E - the e

mapToInt

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

Map to int.

Type Parameters:

E -

Parameters:

mapper -

Returns:

Throws:

E - the e

mapToObj

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

Type Parameters:

T -

E -

Parameters:

mapper -

Returns:

Throws:

E

flatMap

public <E extends Exception> u.OptionalByte flatMap(Throwables.ByteFunction<u.OptionalByte,E> mapper)
                                             throws E

Type Parameters:

E -

Parameters:

mapper -

Returns:

Throws:

E - the e

or

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

Type Parameters:

E -

Parameters:

supplier -

Returns:

Throws:

E - the e

orZero

@Deprecated
public byte orZero()

Deprecated.

use orElseZero()

Returns:

orElseZero

public byte orElseZero()

Returns:

orElse

public byte orElse(byte other)

Parameters:

other -

Returns:

orElseGet

public <E extends Exception> byte orElseGet(Throwables.ByteSupplier<E> other)
                                     throws E

Or else get.

Type Parameters:

E -

Parameters:

other -

Returns:

Throws:

E - the e

orElseThrow

public byte orElseThrow()
                 throws NoSuchElementException

Or else throw.

Returns:

Throws:

NoSuchElementException - the no such element exception

orElseThrow

@Beta
public byte orElseThrow(String errorMessage)
                 throws NoSuchElementException

Or else throw.

Parameters:

errorMessage -

Returns:

Throws:

NoSuchElementException - the no such element exception

orElseThrow

@Beta
public byte orElseThrow(String errorMessage,
 Object param)
                 throws NoSuchElementException

Or else throw.

Parameters:

errorMessage -

param -

Returns:

Throws:

NoSuchElementException - the no such element exception

orElseThrow

@Beta
public byte orElseThrow(String errorMessage,
 Object param1,
 Object param2)
                 throws NoSuchElementException

Or else throw.

Parameters:

errorMessage -

param1 -

param2 -

Returns:

Throws:

NoSuchElementException - the no such element exception

orElseThrow

@Beta
public byte orElseThrow(String errorMessage,
 Object param1,
 Object param2,
 Object param3)
                 throws NoSuchElementException

Or else throw.

Parameters:

errorMessage -

param1 -

param2 -

param3 -

Returns:

Throws:

NoSuchElementException - the no such element exception

orElseThrow

@Beta
public byte orElseThrow(String errorMessage,
 Object... params)
                 throws NoSuchElementException

Or else throw.

Parameters:

errorMessage -

params -

Returns:

Throws:

NoSuchElementException - the no such element exception

orElseThrow

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

Or else throw.

Type Parameters:

X -

Parameters:

exceptionSupplier -

Returns:

Throws:

X - the x

stream

public ByteStream stream()

Returns:

toList

public List<Byte> toList()

Returns:

toSet

public Set<Byte> toSet()

Returns:

toImmutableList

public ImmutableList<Byte> toImmutableList()

To immutable list.

Returns:

toImmutableSet

public ImmutableSet<Byte> toImmutableSet()

To immutable set.

Returns:

boxed

public u.Optional<Byte> boxed()

Returns:

compareTo

public int compareTo(u.OptionalByte optional)

Specified by:

compareTo in interface Comparable<u.OptionalByte>

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: