Module io.smallrye.mutiny

Package 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	Description
UniOnNull(Uni<T> upstream)

Method Summary

Modifier and Type	Method	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(Throwable failure)	If the current Uni fires null as item, the produced Uni emits the passed failure.
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>	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.
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

Methods inherited from class java.lang.Object

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

Constructor Details

UniOnNull

public UniOnNull(Uni<T> upstream)

Method Details

failWith

@CheckReturnValue
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

@CheckReturnValue
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

@CheckReturnValue
public Uni<T> fail()

Like failWith(Throwable) but using a NoSuchElementException.

Returns:

the new Uni

switchTo

@CheckReturnValue
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

@CheckReturnValue
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

@CheckReturnValue
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

@CheckReturnValue
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