org.spf4j.base

Class NullAbleOptional<T>

java.lang.Object

org.spf4j.base.NullAbleOptional<T>

public abstract class NullAbleOptional<T>
extends Object

Author:

Zoltan Farkas

Field Summary

Fields

Modifier and Type	Field and Description
static NullAbleOptional	EMPTY

Constructor Summary

Constructors

Constructor and Description
NullAbleOptional()

Method Summary

Modifier and Type	Method and Description
static NullAbleOptional	empty()
abstract T	get()
abstract boolean	isPresent()
static <T> NullAbleOptional<T>	of(T value)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

EMPTY

public static final NullAbleOptional EMPTY

Constructor Detail

NullAbleOptional

public NullAbleOptional()

Method Detail

empty

public static NullAbleOptional empty()

get

@Nullable
public abstract T get()

isPresent

public abstract boolean isPresent()

toString

public final String toString()

Overrides:

toString in class Object

of

public static <T> NullAbleOptional<T> of(@Nullable
                                         T value)