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A

add(T) - Method in class io.helidon.common.reactive.valve.Tank

addAll(Collection<? extends T>) - Method in class io.helidon.common.reactive.valve.Tank

B

byteBuffer2Collector() - Static method in class io.helidon.common.reactive.valve.InputStreamValve

A collector of ByteBuffer instances into a single ByteBuffer instance.

byteBufferByteArrayCollector() - Static method in class io.helidon.common.reactive.valve.InputStreamValve

A collector of ByteBuffer instances into a single byte array.

byteBufferStringCollector(Charset) - Static method in class io.helidon.common.reactive.valve.InputStreamValve

A collector of ByteBuffer instances into a String of the provided charset.

C

cancel() - Method in interface io.helidon.common.reactive.Flow.Subscription

Causes the Subscriber to (eventually) stop receiving messages.

cancel() - Method in class io.helidon.common.reactive.SingleSubscriberHolder

Hard cancel - nothing is sent to the subscriber but subscription is considered as canceled.

clear() - Method in class io.helidon.common.reactive.valve.Tank

close() - Method in class io.helidon.common.reactive.OutputStreamPublisher

close() - Method in class io.helidon.common.reactive.SubmissionPublisher

Deprecated.

close() - Method in class io.helidon.common.reactive.valve.Tank

close(Consumer<Flow.Subscriber<? super T>>) - Method in class io.helidon.common.reactive.SingleSubscriberHolder

Mark the subscriber holder as closed.

closeExceptionally(Throwable) - Method in class io.helidon.common.reactive.SubmissionPublisher

Deprecated.

Unless already closed, issues onError signals to current subscribers with the given error, and disallows subsequent attempts to publish.

collect(Collector<T, U>) - Method in interface io.helidon.common.reactive.Multi

Collect the items of this Multi instance into a Single.

collect(Collector<? super T, A, R>) - Method in interface io.helidon.common.reactive.valve.Valve

Returns a CompletionStage which will be completed when this Valve is completed and result is a collected value.

collect(T) - Method in interface io.helidon.common.reactive.Collector

Collect the given item.

collectList() - Method in interface io.helidon.common.reactive.Multi

Collect the items of this Multi instance into a Single of List.

Collector<T,U> - Interface in io.helidon.common.reactive

A collector accumulates the items provided when Collector.collect(java.lang.Object) is invoked and makes them available in a single container object with Collector.value().

complete() - Method in class io.helidon.common.reactive.OriginThreadPublisher

Synchronously trigger Flow.Subscriber.onComplete().

constant(long) - Static method in interface io.helidon.common.reactive.RetrySchema

Creates the retry schema with a constant result.

contains(Object) - Method in class io.helidon.common.reactive.valve.Tank

containsAll(Collection<?>) - Method in class io.helidon.common.reactive.valve.Tank

create() - Static method in class io.helidon.common.reactive.UnboundedSemaphore

Create a new instance.

D

defaultBufferSize() - Static method in class io.helidon.common.reactive.Flow

Returns a default value for Publisher or Subscriber buffering, that may be used in the absence of other constraints.

drain() - Method in class io.helidon.common.reactive.OriginThreadPublisher

If not subscribed to, consume all the items from this publisher.

drain(T) - Method in class io.helidon.common.reactive.OriginThreadPublisher

Process a drained item.

drainTo(Collection<? super T>) - Method in class io.helidon.common.reactive.valve.Tank

drainTo(Collection<? super T>, int) - Method in class io.helidon.common.reactive.valve.Tank

E

element() - Method in class io.helidon.common.reactive.valve.Tank

empty() - Static method in interface io.helidon.common.reactive.Multi

Get a Multi instance that completes immediately.

empty() - Static method in interface io.helidon.common.reactive.Single

Get a Single instance that completes immediately.

empty() - Static method in class io.helidon.common.reactive.valve.Valves

Returns an empty Valve - instance, which report complete as soon as handler is registered.

error(Throwable) - Static method in interface io.helidon.common.reactive.Multi

Create a Multi instance that reports the given exception to its subscriber(s).

error(Throwable) - Method in class io.helidon.common.reactive.OriginThreadPublisher

Synchronously trigger Flow.Subscriber.onError(Throwable).

error(Throwable) - Static method in interface io.helidon.common.reactive.Single

Create a Single instance that reports the given given exception to its subscriber(s).

executeOn(ExecutorService) - Method in interface io.helidon.common.reactive.valve.Valve

Returns new Valve which defer all handlers to provided ExecutorService.

F

filter(Predicate<T>) - Method in interface io.helidon.common.reactive.valve.Valve

Returns a Valve consisting of the elements of this Valve that match the given predicate.

first() - Method in interface io.helidon.common.reactive.Multi

Get the first item of this Multi instance as a Single.

flatMap(Function<T, Valve<K>>) - Method in interface io.helidon.common.reactive.valve.Valve

Returns new Valve instance which combines all results into a single Valve.

Flow - Class in io.helidon.common.reactive

Interrelated interfaces and static methods for establishing flow-controlled components in which Publishers produce items consumed by one or more Subscribers, each managed by a Subscription.

Flow.Processor<T,R> - Interface in io.helidon.common.reactive

A component that acts as both a Subscriber and Publisher.

Flow.Publisher<T> - Interface in io.helidon.common.reactive

A producer of items (and related control messages) received by Subscribers.

Flow.Subscriber<T> - Interface in io.helidon.common.reactive

A receiver of messages.

Flow.Subscription - Interface in io.helidon.common.reactive

Message control linking a Flow.Publisher and Flow.Subscriber.

flush() - Method in class io.helidon.common.reactive.OutputStreamPublisher

Send empty buffer as an indication of a user-requested flush.

forEach(Consumer<? super T>) - Method in class io.helidon.common.reactive.valve.Tank

from(Flow.Publisher<T>) - Static method in interface io.helidon.common.reactive.Multi

Create a Multi instance wrapped around the given publisher.

from(Flow.Publisher<T>) - Static method in interface io.helidon.common.reactive.Single

Create a Single instance that publishes the first and only item received from the given publisher.

from(Flow.Publisher<T>) - Static method in class io.helidon.common.reactive.valve.Valves

Creates a Valve instance from provided Flow.Publisher.

from(InputStream, int) - Static method in class io.helidon.common.reactive.valve.Valves

Creates a ByteBuffer based Valve instance from the provided InputStream.

from(InputStream, int, ExecutorService) - Static method in class io.helidon.common.reactive.valve.Valves

Creates a ByteBuffer based Valve instance from the provided InputStream.

from(Iterable<T>) - Static method in class io.helidon.common.reactive.valve.Valves

Creates a Valve instance from the provided Iterable.

from(T...) - Static method in class io.helidon.common.reactive.valve.Valves

Creates a Valve instance from provided array.

G

geometric(long, double, long) - Static method in interface io.helidon.common.reactive.RetrySchema

Creates the retry schema as a bounded geometric series.

get() - Method in class io.helidon.common.reactive.RequestedCounter

Gets the current requested event counter value.

get() - Method in interface io.helidon.common.reactive.Single

Short-hand for toFuture().toCompletableFuture().get().

get() - Method in class io.helidon.common.reactive.SingleSubscriberHolder

Get the stored subscriber.

get(long, TimeUnit) - Method in interface io.helidon.common.reactive.Single

Short-hand for toFuture().toCompletableFuture().get().

getAndReset() - Method in class io.helidon.common.reactive.RequestedCounter

Gets the current requested event counter value and resets it to 0.

getNumberOfSubscribers() - Method in class io.helidon.common.reactive.SubmissionPublisher

Deprecated.

Returns the number of current subscribers.

getThrowable() - Method in class io.helidon.common.reactive.valve.ValveIterator

If original Valve ends with error then this method returns cause of such error.

H

handle(BiConsumer<T, Pausable>) - Method in interface io.helidon.common.reactive.valve.Valve

Register data handlers (callbacks).

handle(BiConsumer<T, Pausable>, Consumer<Throwable>) - Method in interface io.helidon.common.reactive.valve.Valve

Register data handlers (callbacks).

handle(BiConsumer<T, Pausable>, Consumer<Throwable>, Runnable) - Method in class io.helidon.common.reactive.valve.Tank

handle(BiConsumer<T, Pausable>, Consumer<Throwable>, Runnable) - Method in interface io.helidon.common.reactive.valve.Valve

Register data handlers (callbacks).

handle(Consumer<T>) - Method in interface io.helidon.common.reactive.valve.Valve

Register data handlers (callbacks).

handle(Consumer<T>, Consumer<Throwable>) - Method in interface io.helidon.common.reactive.valve.Valve

Register data handlers (callbacks).

handle(Consumer<T>, Consumer<Throwable>, Runnable) - Method in interface io.helidon.common.reactive.valve.Valve

Register data handlers (callbacks).

hasNext() - Method in class io.helidon.common.reactive.valve.ValveIterator

hasSubscribers() - Method in class io.helidon.common.reactive.SubmissionPublisher

Deprecated.

Returns true if this publisher has any subscribers.

hookOnCancel() - Method in class io.helidon.common.reactive.OriginThreadPublisher

Hook invoked after calls to Flow.Subscription.cancel().

hookOnRequested(long, long) - Method in class io.helidon.common.reactive.OriginThreadPublisher

Hook invoked after calls to Flow.Subscription.request(long).

I

increment(long, Consumer<? super IllegalArgumentException>) - Method in class io.helidon.common.reactive.RequestedCounter

Increments safely a requested event counter to prevent Long.MAX_VALUE overflow.

InputStreamValve - Class in io.helidon.common.reactive.valve

The InputStreamValve is a ByteBuffer based Valve that transforms a possibly blocking InputStream into the Valve.

io.helidon.common.reactive - package io.helidon.common.reactive

Common reactive library for Helidon projects.

io.helidon.common.reactive.valve - package io.helidon.common.reactive.valve

Reactive utilities for Helidon projects.

isClosed() - Method in class io.helidon.common.reactive.SingleSubscriberHolder

Check if this subscriber holder has been closed.

isCompleted() - Method in class io.helidon.common.reactive.OriginThreadPublisher

Indicates that the only one possible associated subscriber has been completed.

isEmpty() - Method in class io.helidon.common.reactive.valve.Tank

iterator() - Method in class io.helidon.common.reactive.valve.Tank

J

just(Collection<T>) - Static method in interface io.helidon.common.reactive.Multi

Create a Multi instance that publishes the given items to a single subscriber.

just(T) - Static method in interface io.helidon.common.reactive.Single

Create a Single instance that publishes the given item to its subscriber(s).

just(T...) - Static method in interface io.helidon.common.reactive.Multi

Create a Multi instance that publishes the given items to a single subscriber.

L

linear(long, long, long) - Static method in interface io.helidon.common.reactive.RetrySchema

Creates the retry schema with a linear delay increment.

M

map(Mapper<T, U>) - Method in interface io.helidon.common.reactive.Multi

Map this Multi instance to a new Multi of another type using the given Mapper.

map(Mapper<T, U>) - Method in interface io.helidon.common.reactive.Single

Map this Single instance to a new Single of another type using the given Mapper.

map(Function<T, K>) - Method in interface io.helidon.common.reactive.valve.Valve

Returns a Valve consisting of the results of applying the given function to the elements of this Valve.

mapMany(Mapper<T, Flow.Publisher<U>>) - Method in interface io.helidon.common.reactive.Single

Map this Single instance to a publisher using the given Mapper.

moreData() - Method in class io.helidon.common.reactive.valve.InputStreamValve

Multi<T> - Interface in io.helidon.common.reactive

Multiple items publisher facility.

N

never() - Static method in interface io.helidon.common.reactive.Multi

Get a Multi instance that never completes.

never() - Static method in interface io.helidon.common.reactive.Single

Get a Single instance that never completes.

next() - Method in class io.helidon.common.reactive.valve.ValveIterator

nextDelay(int, long) - Method in interface io.helidon.common.reactive.RetrySchema

Returns a delay before next read if the last one poll did not get new data.

O

offer(T) - Method in class io.helidon.common.reactive.valve.Tank

offer(T, long, TimeUnit) - Method in class io.helidon.common.reactive.valve.Tank

offer(T, BiPredicate<Flow.Subscriber<? super T>, ? super T>) - Method in class io.helidon.common.reactive.SubmissionPublisher

Deprecated.

Publishes the given item to each current subscriber.

onComplete() - Method in interface io.helidon.common.reactive.Flow.Subscriber

Method invoked when it is known that no additional Subscriber method invocations will occur for a Subscription that is not already terminated by error, after which no other Subscriber methods are invoked by the Subscription.

onError(Throwable) - Method in interface io.helidon.common.reactive.Flow.Subscriber

Method invoked upon an unrecoverable error encountered by a Publisher or Subscription, after which no other Subscriber methods are invoked by the Subscription.

onNext(T) - Method in interface io.helidon.common.reactive.Flow.Subscriber

Method invoked with a Subscription's next item.

onSubscribe(Flow.Subscription) - Method in interface io.helidon.common.reactive.Flow.Subscriber

Method invoked prior to invoking any other Subscriber methods for the given Subscription.

OriginThreadPublisher<T,U> - Class in io.helidon.common.reactive

The OriginThreadPublisher's nature is to always run Flow.Subscriber.onNext(Object) on the very same thread as OriginThreadPublisher.submit(Object).

OriginThreadPublisher() - Constructor for class io.helidon.common.reactive.OriginThreadPublisher

Create same thread publisher.

OriginThreadPublisher(UnboundedSemaphore) - Constructor for class io.helidon.common.reactive.OriginThreadPublisher

Create same thread publisher.

OutputStreamPublisher - Class in io.helidon.common.reactive

Output stream that Flow.Publisher publishes any data written to it as ByteBuffer events.

OutputStreamPublisher() - Constructor for class io.helidon.common.reactive.OutputStreamPublisher

P

Pausable - Interface in io.helidon.common.reactive.valve

A simple pause / resume interface.

pause() - Method in interface io.helidon.common.reactive.valve.Pausable

Pause data chunks flow until Pausable.resume().

pause() - Method in class io.helidon.common.reactive.valve.Tank

peek() - Method in class io.helidon.common.reactive.valve.Tank

peek(Consumer<T>) - Method in interface io.helidon.common.reactive.valve.Valve

Returns a Valve consisting of the elements of this Valve, additionally performing the provided action on each element as elements are consumed from the resulting Valve.

poll() - Method in class io.helidon.common.reactive.valve.Tank

poll(long, TimeUnit) - Method in class io.helidon.common.reactive.valve.Tank

publisherFromFlow(Flow.Publisher<T>) - Static method in class io.helidon.common.reactive.ReactiveStreamsAdapter

Deprecated.

Return a Publisher from a Flow.Publisher.

publisherToFlow(Publisher<T>) - Static method in class io.helidon.common.reactive.ReactiveStreamsAdapter

Deprecated.

Return a Flow.Publisher from a Publisher.

put(T) - Method in class io.helidon.common.reactive.valve.Tank

Inserts the specified element at the tail of this queue, waiting for space to become available if the queue is full.

R

ReactiveStreamsAdapter - Class in io.helidon.common.reactive

Deprecated.

This class will be removed in the next major release.

register(Flow.Subscriber<? super T>) - Method in class io.helidon.common.reactive.SingleSubscriberHolder

Register a new subscriber.

remainingCapacity() - Method in class io.helidon.common.reactive.valve.Tank

remove() - Method in class io.helidon.common.reactive.valve.Tank

remove(Object) - Method in class io.helidon.common.reactive.valve.Tank

removeAll(Collection<?>) - Method in class io.helidon.common.reactive.valve.Tank

removeIf(Predicate<? super T>) - Method in class io.helidon.common.reactive.valve.Tank

request(long) - Method in interface io.helidon.common.reactive.Flow.Subscription

Adds the given number n of items to the current unfulfilled demand for this subscription.

RequestedCounter - Class in io.helidon.common.reactive

Requested event counter.

RequestedCounter() - Constructor for class io.helidon.common.reactive.RequestedCounter

requiresMoreItems() - Method in class io.helidon.common.reactive.OriginThreadPublisher

Indicate that more items should be published in order to meet the current demand of the subscriber.

resume() - Method in interface io.helidon.common.reactive.valve.Pausable

Resume data chunks flow after Pausable.pause().

resume() - Method in class io.helidon.common.reactive.valve.Tank

retainAll(Collection<?>) - Method in class io.helidon.common.reactive.valve.Tank

RetrySchema - Interface in io.helidon.common.reactive

Defines delay for next read/poll operation in a polling publisher.

S

signalCloseComplete(Throwable) - Method in class io.helidon.common.reactive.OutputStreamPublisher

Signals this publishing output stream that it can safely return from otherwise blocking invocation to it's OutputStreamPublisher.close() method.

Single<T> - Interface in io.helidon.common.reactive

Single item publisher utility.

SingleSubscriberHolder<T> - Class in io.helidon.common.reactive

A subscriber container that accepts only a single, one-time subscriber registration.

SingleSubscriberHolder() - Constructor for class io.helidon.common.reactive.SingleSubscriberHolder

size() - Method in class io.helidon.common.reactive.valve.Tank

spliterator() - Method in class io.helidon.common.reactive.valve.Tank

SubmissionPublisher<T> - Class in io.helidon.common.reactive

Deprecated.

This class will be removed in the next major release.

SubmissionPublisher() - Constructor for class io.helidon.common.reactive.SubmissionPublisher

Deprecated.

Creates a new SubmissionPublisher using the current thread for delivery to subscribers, with maximum buffer capacity of Flow.defaultBufferSize().

SubmissionPublisher(int) - Constructor for class io.helidon.common.reactive.SubmissionPublisher

Deprecated.

Creates a new SubmissionPublisher using the current thread for delivery to subscribers, with the given maximum buffer size for each subscriber.

SubmissionPublisher(Executor, int) - Constructor for class io.helidon.common.reactive.SubmissionPublisher

Deprecated.

Creates a new SubmissionPublisher using the given Executor for async delivery to subscribers, with the given maximum buffer size for each subscriber.

submit(T) - Method in class io.helidon.common.reactive.SubmissionPublisher

Deprecated.

Publishes the given item to each current subscriber.

submit(U) - Method in class io.helidon.common.reactive.OriginThreadPublisher

Submit the data to the subscriber.

Subscribable<T> - Interface in io.helidon.common.reactive

Decorated publisher that allows subscribing to individual events with java functions.

subscribe(Flow.Subscriber<? super ByteBuffer>) - Method in class io.helidon.common.reactive.OutputStreamPublisher

subscribe(Flow.Subscriber<? super T>) - Method in interface io.helidon.common.reactive.Flow.Publisher

Adds the given Subscriber if possible.

subscribe(Flow.Subscriber<? super T>) - Method in class io.helidon.common.reactive.OriginThreadPublisher

subscribe(Flow.Subscriber<? super T>) - Method in class io.helidon.common.reactive.SubmissionPublisher

Deprecated.

Adds the given Subscriber.

subscribe(Consumer<? super T>) - Method in interface io.helidon.common.reactive.Subscribable

Subscribe to this Single instance with the given delegate functions.

subscribe(Consumer<? super T>, Consumer<? super Throwable>) - Method in interface io.helidon.common.reactive.Subscribable

Subscribe to this Single instance with the given delegate functions.

subscribe(Consumer<? super T>, Consumer<? super Throwable>, Runnable) - Method in interface io.helidon.common.reactive.Subscribable

Subscribe to this Single instance with the given delegate functions.

subscribe(Consumer<? super T>, Consumer<? super Throwable>, Runnable, Consumer<? super Flow.Subscription>) - Method in interface io.helidon.common.reactive.Subscribable

Subscribe to this Single instance with the given delegate functions.

subscriberFromFlow(Flow.Subscriber<T>) - Static method in class io.helidon.common.reactive.ReactiveStreamsAdapter

Deprecated.

Return a Subscriber from a Flow.Subscriber.

subscriberToFlow(Subscriber<T>) - Static method in class io.helidon.common.reactive.ReactiveStreamsAdapter

Deprecated.

Return a Flow.Subscriber from a Subscriber.

T

take() - Method in class io.helidon.common.reactive.valve.Tank

Tank<T> - Class in io.helidon.common.reactive.valve

Tank of events is a closeable FIFO queue with a limited size implementing Valve reactive API.

Tank(int) - Constructor for class io.helidon.common.reactive.valve.Tank

Creates new instance.

toArray() - Method in class io.helidon.common.reactive.valve.Tank

toArray(T1[]) - Method in class io.helidon.common.reactive.valve.Tank

toIterator() - Method in interface io.helidon.common.reactive.valve.Valve

Transforms this Valve into ValveIterator representation.

toPublisher() - Method in interface io.helidon.common.reactive.valve.Valve

Transforms this Valve into Flow.Publisher representation.

toStage() - Method in interface io.helidon.common.reactive.Single

Exposes this Single instance as a CompletionStage.

tryAcquire() - Method in class io.helidon.common.reactive.OriginThreadPublisher

In a non-blocking manner, try to acquire an allowance to publish next item.

tryAcquire() - Method in class io.helidon.common.reactive.UnboundedSemaphore

In a non-blocking manner, try to acquire a single permit.

tryDecrement() - Method in class io.helidon.common.reactive.RequestedCounter

Tries to safely decrement a positive requested counter value, making sure the value does not drop below zero.

U

UnboundedSemaphore - Class in io.helidon.common.reactive

The UnboundedSemaphore is designed to fit Reactive Streams use-case; that is to be able to allow an unbounded number of acquires once a cumulative release count reaches Long.MAX_VALUE.

V

value() - Method in interface io.helidon.common.reactive.Collector

Get the collected items container.

Valve<T> - Interface in io.helidon.common.reactive.valve

Represents a reactive source of data which can be paused and resumed.

ValveIterator<T> - Class in io.helidon.common.reactive.valve

Transforms reactive Valve into a blocking Iterator.

Valves - Class in io.helidon.common.reactive.valve

An utility class for Valve interface.

W

whenDrain(Runnable) - Method in class io.helidon.common.reactive.valve.Tank

Provided handler is called a single time when internal capacity is maximally half full and instance is not closed.

wrap(U) - Method in class io.helidon.common.reactive.OriginThreadPublisher

Wrap the submitted data into an item that can be published.

write(byte[]) - Method in class io.helidon.common.reactive.OutputStreamPublisher

write(byte[], int, int) - Method in class io.helidon.common.reactive.OutputStreamPublisher

write(int) - Method in class io.helidon.common.reactive.OutputStreamPublisher

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