Package dev.trinkets.util

Class OptionalExt<T>

java.lang.Object

dev.trinkets.util.OptionalExt<T>

@SecondaryRequirement(causedBy={ConsumerExt.class,FunctionExt.class,PredicateExt.class,SupplierExt.class})
public class OptionalExt<T>
extends java.lang.Object

Supplemental to changes in dev.trinkets.util.function

To eliminate the need for this class:
1. Change method(s) tagged Update

See Also:

ConsumerExt

Method Summary

Modifier and Type	Method	Description
static <T> OptionalExt<T>	empty()
<E extends java.lang.Throwable> OptionalExt<T>	filter(PredicateExt<? super T,E> predicate)
<U,E extends java.lang.Throwable> OptionalExt<U>	flatMap(FunctionExt<? super T,? extends OptionalExt<U>,E> mapper)
<E extends java.lang.Throwable> void	ifPresent(ConsumerExt<T,E> action)
<E extends java.lang.Throwable> void	ifPresentOrElse(ConsumerExt<? super T,E> action, java.lang.Runnable emptyAction)
<U,E extends java.lang.Throwable> OptionalExt<U>	map(FunctionExt<? super T,? extends U,E> mapper)
static <T> OptionalExt<T>	of(java.util.Optional<T> opt)
static <T> OptionalExt<T>	of(T value)
static <T> OptionalExt<T>	ofNullable(T value)
<E extends java.lang.Throwable> OptionalExt<T>	or(SupplierExt<? extends OptionalExt<T>,E> supplier)
<E extends java.lang.Throwable> T	orElseGet(SupplierExt<? extends T,E> supplier)
java.util.Optional<T>	unwrap()

Methods inherited from class java.lang.Object

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

Method Detail

of

public static <T> OptionalExt<T> of(java.util.Optional<T> opt)

of

public static <T> OptionalExt<T> of(T value)

empty

public static <T> OptionalExt<T> empty()

ofNullable

public static <T> OptionalExt<T> ofNullable(T value)

unwrap

public java.util.Optional<T> unwrap()

ifPresent

@Update
public <E extends java.lang.Throwable> void ifPresent(ConsumerExt<T,E> action)
                                               throws E extends java.lang.Throwable

Throws:

E extends java.lang.Throwable

ifPresentOrElse

@Update
public <E extends java.lang.Throwable> void ifPresentOrElse(ConsumerExt<? super T,E> action,
                                                            java.lang.Runnable emptyAction)
                                                     throws E extends java.lang.Throwable

Throws:

E extends java.lang.Throwable

filter

@Update
public <E extends java.lang.Throwable> OptionalExt<T> filter(PredicateExt<? super T,E> predicate)
                                                      throws E extends java.lang.Throwable

Throws:

E extends java.lang.Throwable

map

@Update
public <U,E extends java.lang.Throwable> OptionalExt<U> map(FunctionExt<? super T,? extends U,E> mapper)
                                                           throws E extends java.lang.Throwable

Throws:

E extends java.lang.Throwable

flatMap

@Update
public <U,E extends java.lang.Throwable> OptionalExt<U> flatMap(FunctionExt<? super T,? extends OptionalExt<U>,E> mapper)
                                                               throws E extends java.lang.Throwable

Throws:

E extends java.lang.Throwable

or

@Update
public <E extends java.lang.Throwable> OptionalExt<T> or(SupplierExt<? extends OptionalExt<T>,E> supplier)
                                                  throws E extends java.lang.Throwable

Throws:

E extends java.lang.Throwable

orElseGet

@Update
public <E extends java.lang.Throwable> T orElseGet(SupplierExt<? extends T,E> supplier)
                                            throws E extends java.lang.Throwable

Throws:

E extends java.lang.Throwable