CompletionSingle (Helidon Project 2.6.9 API)

java.lang.Object
- io.helidon.common.reactive.CompletionAwaitable<T>
- - io.helidon.common.reactive.CompletionSingle<T>

Type Parameters:

T - payload type

All Implemented Interfaces:

Awaitable<T>, Single<T>, Subscribable<T>, CompletionStage<T>, Flow.Publisher<T>
```
public abstract class CompletionSingle<T>
extends CompletionAwaitable<T>
implements Single<T>
```
Single as CompletionStage.

Constructor Summary

Constructors
Modifier Constructor Description

protected CompletionSingle()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Single<T>`	`cancel()`	Cancel upstream.
`Single<T>`	`onCancel(Runnable onCancel)`	Executes given `Runnable` when a cancel signal is received.
`protected CompletableFuture<T>`	`toNullableStage()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.helidon.common.reactive.Awaitable
await, await, await, toCompletableFuture

Methods inherited from interface java.util.concurrent.CompletionStage
toCompletableFuture

Methods inherited from interface java.util.concurrent.Flow.Publisher
subscribe

Methods inherited from interface io.helidon.common.reactive.Single
acceptEither, acceptEitherAsync, acceptEitherAsync, applyToEither, applyToEitherAsync, applyToEitherAsync, compose, defaultIfEmpty, defaultIfEmpty, exceptionally, exceptionallyAccept, flatMap, flatMapCompletionStage, flatMapIterable, flatMapOptional, flatMapSingle, forSingle, get, get, handle, handleAsync, handleAsync, ifEmpty, ignoreElement, log, log, log, log, map, observeOn, onComplete, onCompleteResume, onCompleteResumeWith, onCompleteResumeWithSingle, onError, onErrorResume, onErrorResumeWith, onErrorResumeWithSingle, onTerminate, peek, retry, retry, retryWhen, runAfterBoth, runAfterBothAsync, runAfterBothAsync, runAfterEither, runAfterEitherAsync, runAfterEitherAsync, switchIfEmpty, takeUntil, thenAccept, thenAcceptAsync, thenAcceptAsync, thenAcceptBoth, thenAcceptBothAsync, thenAcceptBothAsync, thenApply, thenApplyAsync, thenApplyAsync, thenCombine, thenCombineAsync, thenCombineAsync, thenCompose, thenComposeAsync, thenComposeAsync, thenRun, thenRunAsync, thenRunAsync, timeout, timeout, to, toOptionalSingle, toStage, toStage, whenComplete, whenCompleteAsync, whenCompleteAsync

Methods inherited from interface io.helidon.common.reactive.Subscribable
subscribe, subscribe, subscribe, subscribe

- Constructor Detail
  - CompletionSingle
```
protected CompletionSingle()
```
- Method Detail
  - toNullableStage
```
protected CompletableFuture<T> toNullableStage()
```
  - onCancel
```
public Single<T> onCancel(Runnable onCancel)
```
    Description copied from interface: Single
    
    Executes given Runnable when a cancel signal is received.
    
    Specified by:
    
    onCancel in interface Single<T>
    
    Specified by:
    
    onCancel in interface Subscribable<T>
    
    Parameters:
    
    onCancel - Runnable to be executed.
    
    Returns:
    
    Single
  - cancel
```
public Single<T> cancel()
```
    Description copied from interface: Single
    
    Cancel upstream.
    
    Specified by:
    
    cancel in interface Single<T>
    
    Returns:
    
    new Single for eventually received single value.