io.github.acdcjunior.java6fp

Class FPOption.None<T>

java.lang.Object

io.github.acdcjunior.java6fp.FPOption<T>

io.github.acdcjunior.java6fp.FPOption.None<T>

All Implemented Interfaces:

java.lang.Iterable<T>

Enclosing class:

FPOption<T>

public static final class FPOption.None<T>
extends FPOption<T>

Nested Class Summary

Nested classes/interfaces inherited from class io.github.acdcjunior.java6fp.FPOption

FPOption.None<T>, FPOption.Some<T>

Field Summary

Fields

Modifier and Type	Field and Description
static FPOption.None<?>	NONE

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
FPOption<T>	filter(FPFunction<? super T,java.lang.Boolean> fn)
<R> FPOption<R>	flatMap(FPFunction<? super T,FPOption<R>> fn)
void	forEach(FPConsumer<? super T> fn)
T	get() Throws an exception if the value is none().
T	getOrElse(FPSupplier<? extends T> orElseFn)
T	getOrElse(T orElse)
int	hashCode()
FPOption<T>	ifDefined(FPConsumer<? super T> fn)
FPOption<T>	ifEmpty(FPCommand fn)
boolean	isEmpty()
<R> FPOption<R>	map(FPFunction<? super T,R> fn)
FPOption<T>	orElse(FPSupplier<? extends T> orElseFn)
FPOption<T>	orElse(T orElse)
FPOption<T>	orElseFlat(FPOption<T> orElse)
FPOption<T>	orElseFlat(FPSupplier<FPOption<T>> orElseFn)
T	orNull() Returns null if the value is none().
java.util.List<T>	toList()
java.lang.String	toString()

Methods inherited from class io.github.acdcjunior.java6fp.FPOption

isDefined, iterator, none, ofNullable, some

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

NONE

public static final FPOption.None<?> NONE

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

orNull

public T orNull()

Description copied from class: FPOption

Returns null if the value is none().

Specified by:

orNull in class FPOption<T>

getOrElse

@NotNull
public T getOrElse(@NotNull
                             T orElse)

Specified by:

getOrElse in class FPOption<T>

getOrElse

@NotNull
public T getOrElse(@NotNull
                             FPSupplier<? extends T> orElseFn)

Specified by:

getOrElse in class FPOption<T>

get

@NotNull
public T get()

Description copied from class: FPOption

Throws an exception if the value is none().

Specified by:

get in class FPOption<T>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in class FPOption<T>

ifEmpty

@NotNull
public FPOption<T> ifEmpty(@NotNull
                                     FPCommand fn)

Specified by:

ifEmpty in class FPOption<T>

ifDefined

@NotNull
public FPOption<T> ifDefined(@NotNull
                                       FPConsumer<? super T> fn)

Specified by:

ifDefined in class FPOption<T>

orElse

@NotNull
public FPOption<T> orElse(@NotNull
                                    T orElse)

Specified by:

orElse in class FPOption<T>

orElse

@NotNull
public FPOption<T> orElse(@NotNull
                                    FPSupplier<? extends T> orElseFn)

Specified by:

orElse in class FPOption<T>

orElseFlat

@NotNull
public FPOption<T> orElseFlat(@NotNull
                                        FPOption<T> orElse)

Specified by:

orElseFlat in class FPOption<T>

orElseFlat

@NotNull
public FPOption<T> orElseFlat(@NotNull
                                        FPSupplier<FPOption<T>> orElseFn)

Specified by:

orElseFlat in class FPOption<T>

filter

@NotNull
public FPOption<T> filter(@NotNull
                                    FPFunction<? super T,java.lang.Boolean> fn)

Specified by:

filter in class FPOption<T>

map

@NotNull
public <R> FPOption<R> map(@NotNull
                                     FPFunction<? super T,R> fn)

Specified by:

map in class FPOption<T>

flatMap

@NotNull
public <R> FPOption<R> flatMap(@NotNull
                                         FPFunction<? super T,FPOption<R>> fn)

Specified by:

flatMap in class FPOption<T>

forEach

public void forEach(@NotNull
                    FPConsumer<? super T> fn)

Specified by:

forEach in class FPOption<T>

toList

@NotNull
public java.util.List<T> toList()

Specified by:

toList in class FPOption<T>