Top Description Fields Constructors Methods
reactor.core.publisher

pack-priv final Class MonoFromPublisher<T>

extends Mono<T>
implements Scannable, OptimizableOperator<T, T>
Class Inheritance
All Implemented Interfaces
reactor.core.publisher.OptimizableOperator, reactor.core.CorePublisher, org.reactivestreams.Publisher, reactor.core.Scannable
Type Parameters
<T>
the value type
Imports
java.util.Objects, org.reactivestreams.Publisher, reactor.core.CorePublisher, .CoreSubscriber, .Scannable, reactor.util.annotation.Nullable
Emits a single item at most from the source.
See Also
Reactive-Streams-Commons

Field Summary

Modifier and TypeField and Description
pack-priv final OptimizableOperator<?, T>
optimizableOperator

pack-priv final Publisher<? extends T>
source

Inherited from reactor.core.publisher.Mono:
EQUALS_BIPREDICATE

Constructor Summary

AccessConstructor and Description
pack-priv
MonoFromPublisher(Publisher<? extends T> source)

Method Summary

Modifier and TypeMethod and Description
public final OptimizableOperator<?, ? extends T>
nextOptimizableSource()

Implements reactor.core.publisher.OptimizableOperator.nextOptimizableSource.

Allow delegation of the subscription by returning the next OptimizableOperator UP in the chain, to be subscribed to next.
public Object
scanUnsafe(Scannable.Attr<T>
a Attr to resolve for the component.
key)

Implements reactor.core.Scannable.scanUnsafe.

This method is used internally by components to define their key-value mappings in a single place.
public final CorePublisher<? extends T>
source()

Implements reactor.core.publisher.OptimizableOperator.source.

public void
subscribe(CoreSubscriber<? super T>
the Subscriber interested into the published sequence
actual)

Implements abstract reactor.core.publisher.Mono.subscribe.

Implements reactor.core.CorePublisher.subscribe.

An internal Publisher#subscribe(Subscriber) that will bypass Hooks#onLastOperator(Function) pointcut.
public CoreSubscriber<? super T>
subscribeOrReturn(CoreSubscriber<? super T> actual)

Implements reactor.core.publisher.OptimizableOperator.subscribeOrReturn.

Allow delegation of the subscription by returning a CoreSubscriber, or force subscription encapsulation by returning null.
Inherited from reactor.core.publisher.Mono:
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Field Detail

optimizableOperatorback to summary
pack-priv final OptimizableOperator<?, T> optimizableOperator
Annotations
@Nullable
sourceback to summary
pack-priv final Publisher<? extends T> source

Constructor Detail

MonoFromPublisherback to summary
pack-priv MonoFromPublisher(Publisher<? extends T> source)

Method Detail

nextOptimizableSourceback to summary
public final OptimizableOperator<?, ? extends T> nextOptimizableSource()

Implements reactor.core.publisher.OptimizableOperator.nextOptimizableSource.

Doc from reactor.core.publisher.OptimizableOperator.nextOptimizableSource.

Allow delegation of the subscription by returning the next OptimizableOperator UP in the chain, to be subscribed to next. This method MUST return a non-null value if the subscribeOrReturn(CoreSubscriber) method returned a non null value. In that case, this next operator can be used in conjunction with subscribeOrReturn(CoreSubscriber) to perform subscription in a loop instead of by recursion.

Returns:OptimizableOperator<?, ? extends T>

next OptimizableOperator if subscribeOrReturn(CoreSubscriber) have returned non-null result

Annotations
@Override
scanUnsafeback to summary
public Object scanUnsafe(Scannable.Attr<T> key)

Implements reactor.core.Scannable.scanUnsafe.

Doc from reactor.core.Scannable.scanUnsafe.

This method is used internally by components to define their key-value mappings in a single place. Although it is ignoring the generic type of the Attr key, implementors should take care to return values of the correct type, and return null if no specific value is available.

For public consumption of attributes, prefer using scan(Attr), which will return a typed value and fall back to the key's default if the component didn't define any mapping.

Parameters
key:Scannable.Attr<T>

a Attr to resolve for the component.

Returns:Object

the value associated to the key for that specific component, or null if none.

Annotations
@Override
@Nullable
sourceback to summary
public final CorePublisher<? extends T> source()

Implements reactor.core.publisher.OptimizableOperator.source.

Returns:CorePublisher<? extends T>

Doc from reactor.core.publisher.OptimizableOperator.source.

CorePublisher to call CorePublisher#subscribe(CoreSubscriber) on if nextOptimizableSource() have returned null result

Annotations
@Override
subscribeback to summary
public void subscribe(CoreSubscriber<? super T> actual)

Implements abstract reactor.core.publisher.Mono.subscribe.

Implements reactor.core.CorePublisher.subscribe.

Doc from reactor.core.CorePublisher.subscribe.

An internal Publisher#subscribe(Subscriber) that will bypass Hooks#onLastOperator(Function) pointcut.

In addition to behave as expected by Publisher#subscribe(Subscriber) in a controlled manner, it supports direct subscribe-time Context passing.

Parameters
actual:CoreSubscriber<? super T>

the Subscriber interested into the published sequence

Annotations
@Override
@SuppressWarnings:unchecked
subscribeOrReturnback to summary
public CoreSubscriber<? super T> subscribeOrReturn(CoreSubscriber<? super T> actual) throws Throwable

Implements reactor.core.publisher.OptimizableOperator.subscribeOrReturn.

Doc from reactor.core.publisher.OptimizableOperator.subscribeOrReturn.

Allow delegation of the subscription by returning a CoreSubscriber, or force subscription encapsulation by returning null. This can be used in conjunction with nextOptimizableSource() to perform subscription in a loop instead of by recursion.

Returns:CoreSubscriber<? super T>

next CoreSubscriber or "null" if the subscription was already done inside the method

Annotations
@Override