io.smallrye.mutiny.groups

Class UniOnNull<T>

java.lang.Object

io.smallrye.mutiny.groups.UniOnNull<T>

public class UniOnNull<T>
extends Object

Constructor Summary

Constructors

Constructor and Description
UniOnNull(Uni<T> upstream)

Method Summary

Modifier and Type	Method and Description
Uni<T>	continueWith(Supplier<? extends T> supplier) Provides a default item if the current Uni fires null as item.
Uni<T>	continueWith(T fallback) Provides a default item if the current Uni fires null as item.
Uni<T>	fail() Like failWith(Throwable) but using a NoSuchElementException.
Uni<T>	failWith(Supplier<? extends Throwable> supplier) If the current Uni fires null as item, the produced Uni emits a failure produced using the given Supplier.
Uni<T>	failWith(Throwable failure) If the current Uni fires null as item, the produced Uni emits the passed failure.
Uni<T>	switchTo(Supplier<Uni<? extends T>> supplier) If the current Uni fires null as item, the produced Uni emits the events produced by an Uni supplied using the passed Supplier
Uni<T>	switchTo(Uni<? extends T> other) If the current Uni fires null as item, the produced Uni emits the events produced by the Uni passed as parameter.

Methods inherited from class java.lang.Object

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

Constructor Detail

UniOnNull

public UniOnNull(Uni<T> upstream)

Method Detail

failWith

public Uni<T> failWith(Throwable failure)

If the current Uni fires null as item, the produced Uni emits the passed failure.

Parameters:

failure - the exception to fire if the current Uni fires null as item.

Returns:

the new Uni

failWith

public Uni<T> failWith(Supplier<? extends Throwable> supplier)

If the current Uni fires null as item, the produced Uni emits a failure produced using the given Supplier.

Parameters:

supplier - the supplier to produce the failure, must not be null, must not produce null

Returns:

the new Uni

fail

public Uni<T> fail()

Like failWith(Throwable) but using a NoSuchElementException.

Returns:

the new Uni

switchTo

public Uni<T> switchTo(Uni<? extends T> other)

If the current Uni fires null as item, the produced Uni emits the events produced by the Uni passed as parameter.

Parameters:

other - the unit to switch to, must not be null

Returns:

the new Uni

switchTo

public Uni<T> switchTo(Supplier<Uni<? extends T>> supplier)

If the current Uni fires null as item, the produced Uni emits the events produced by an Uni supplied using the passed Supplier

Parameters:

supplier - the supplier to use to produce the uni, must not be null, must not return nulls

Returns:

the new Uni

continueWith

public Uni<T> continueWith(T fallback)

Provides a default item if the current Uni fires null as item.

Parameters:

fallback - the default item, must not be null

Returns:

the new Uni

continueWith

public Uni<T> continueWith(Supplier<? extends T> supplier)

Provides a default item if the current Uni fires null as item. The new item is supplied by the given Supplier.

Parameters:

supplier - the supplier to produce the new item, must not be null, must not produce null

Returns:

the new Uni