Uses of Interface
io.helidon.common.reactive.Multi

Packages that use Multi

Package	Description
io.helidon.common.reactive	Common reactive library for Helidon projects.
io.helidon.integrations.common.rest	Common classes for accessing JSON based REST APIs of third party systems.
io.helidon.messaging	Helidon Reactive Messaging.
io.helidon.reactive.dbclient	Reactive Database API for Helidon.
io.helidon.reactive.faulttolerance	Fault tolerance for Helidon SE reactive implementation.
io.helidon.reactive.media.common	Common classes for processing content with a specific HttpMediaType.

Uses of Multi in io.helidon.common.reactive

Classes in io.helidon.common.reactive that implement Multi

Modifier and Type	Class	Description
final class	ConcatPublisher<T>	Concat streams to one.
class	MultiFromOutputStream	Deprecated, for removal: This API element is subject to removal in a future version. please use OutputStreamMulti instead
final class	MultiTappedPublisher<T>	Intercept the calls to the various Flow interface methods and calls the appropriate user callbacks.
class	OutputStreamMulti	Output stream that Flow.Publisher publishes any data written to it as ByteBuffer events.

Methods in io.helidon.common.reactive that return Multi

Modifier and Type	Method	Description
Multi<ByteBuffer>	IoMulti.MultiFromByteChannelBuilder.build()
Multi<ByteBuffer>	IoMulti.MultiFromInputStreamBuilder.build()
default <U> Multi<U>	Multi.compose(Function<? super Multi<T>,? extends Flow.Publisher<? extends U>> composer)	Apply the given composer function to the current Multi instance and return aMulti wrapping the returned Flow.Publisher of this function.
static <T> Multi<T>	Multi.concat(Flow.Publisher<T> firstMulti, Flow.Publisher<T> secondMulti)	Concat streams to one.
static <T> Multi<T>	Multi.concat(Flow.Publisher<T> firstPublisher, Flow.Publisher<T> secondPublisher, Flow.Publisher<T>... morePublishers)	Concat streams to one.
static <T> Multi<T>	Multi.concatArray(Flow.Publisher<T>... publishers)	Concatenates an array of source Flow.Publishers by relaying items in order, non-overlappingly, one after the other finishes.
static <T> Multi<T>	Multi.create(Single<T> single)	Create a Multi instance wrapped around the given Single.
static <T> Multi<T>	Multi.create(Iterable<T> iterable)	Create a Multi instance that publishes the given iterable.
static <T> Multi<T>	Multi.create(CompletionStage<T> completionStage)	Wrap a CompletionStage into a Multi and signal its outcome non-blockingly.
static <T> Multi<T>	Multi.create(CompletionStage<T> completionStage, boolean nullMeansEmpty)	Wrap a CompletionStage into a Multi and signal its outcome non-blockingly.
static <T> Multi<T>	Multi.create(Flow.Publisher<T> source)	Create a Multi instance wrapped around the given publisher.
static <T> Multi<T>	Multi.create(Stream<T> stream)	Create a Multi instance that publishes the given Stream.
static Multi<ByteBuffer>	IoMulti.createInputStream(InputStream inputStream)	Deprecated, for removal: This API element is subject to removal in a future version. please use IoMulti.multiFromStream(java.io.InputStream)
default Multi<T>	Multi.defaultIfEmpty(Supplier<? extends T> supplier)	Signals the default item supplied by specified supplier if the upstream is empty.
default Multi<T>	Multi.defaultIfEmpty(T defaultItem)	Signals the default item if the upstream is empty.
static <T> Multi<T>	Multi.defer(Supplier<? extends Flow.Publisher<? extends T>> supplier)	Call the given supplier function for each individual downstream Subscriber to return a Flow.Publisher to subscribe to.
default Multi<T>	Multi.distinct()	Filter out all duplicates.
default Multi<T>	Multi.dropWhile(Predicate<? super T> predicate)	Drop the longest prefix of elements from this stream that satisfy the given predicate.
static <T> Multi<T>	Multi.empty()	Get a Multi instance that completes immediately.
static <T> Multi<T>	Multi.error(Throwable error)	Create a Multi instance that reports the given exception to its subscriber(s).
default Multi<T>	Multi.filter(Predicate<? super T> predicate)	Filter stream items with provided predicate.
default <U> Multi<U>	Multi.flatMap(Function<? super T,? extends Flow.Publisher<? extends U>> publisherMapper)	Transform item with supplied function and flatten resulting Flow.Publisher to downstream.
default <U> Multi<U>	Multi.flatMap(Function<? super T,? extends Flow.Publisher<? extends U>> mapper, long maxConcurrency, boolean delayErrors, long prefetch)	Transform item with supplied function and flatten resulting Flow.Publisher to downstream while limiting the maximum number of concurrent inner Flow.Publishers and their in-flight item count, optionally aggregating and delaying all errors until all sources terminate.
default <U> Multi<U>	Single.flatMap(Function<? super T,? extends Flow.Publisher<? extends U>> mapper)	Map this Single instance to a publisher using the given Mapper.
default <U> Multi<U>	Multi.flatMapCompletionStage(Function<? super T,? extends CompletionStage<? extends U>> mapper)	Transform item with supplied function and flatten resulting CompletionStage results to downstream.
default <U> Multi<U>	Multi.flatMapIterable(Function<? super T,? extends Iterable<? extends U>> iterableMapper)	Transform item with supplied function and flatten resulting Iterable to downstream.
default <U> Multi<U>	Multi.flatMapIterable(Function<? super T,? extends Iterable<? extends U>> iterableMapper, int prefetch)	Transform item with supplied function and flatten resulting Iterable to downstream.
default <U> Multi<U>	Single.flatMapIterable(Function<? super T,? extends Iterable<? extends U>> mapper)	Maps the single upstream value into an Iterable and relays its items to the downstream.
default <U> Multi<U>	Multi.flatMapOptional(Function<? super T,Optional<? extends U>> mapper)	Transform item with supplied function and flatten resulting Optional to downstream as one item if present or nothing if empty.
static <T> Multi<T>	Multi.from(Single<T> single)	Deprecated. use create(io.helidon.common.reactive.Single) instead
static <T> Multi<T>	Multi.from(Iterable<T> iterable)	Deprecated. use create(java.lang.Iterable) instead
static <T> Multi<T>	Multi.from(CompletionStage<T> completionStage)	Deprecated. use create(java.util.concurrent.CompletionStage) instead
static <T> Multi<T>	Multi.from(CompletionStage<T> completionStage, boolean nullMeansEmpty)	Deprecated. use create(java.util.concurrent.CompletionStage, boolean) instead
static <T> Multi<T>	Multi.from(Flow.Publisher<T> source)	Deprecated. use create(java.util.concurrent.Flow.Publisher) instead
static <T> Multi<T>	Multi.from(Stream<T> stream)	Deprecated. use create(java.util.stream.Stream) instead
default Multi<T>	Multi.ifEmpty(Runnable ifEmpty)	Executes given Runnable when stream is finished without value(empty stream).
static Multi<Long>	Multi.interval(long initialDelay, long period, TimeUnit unit, ScheduledExecutorService executor)	Signal 0L after an initial delay, then 1L, 2L and so on periodically to the downstream.
static Multi<Long>	Multi.interval(long period, TimeUnit unit, ScheduledExecutorService executor)	Signal 0L, 1L and so on periodically to the downstream.
static <T> Multi<T>	Multi.just(Collection<T> items)	Create a Multi instance that publishes the given items to a single subscriber.
static <T> Multi<T>	Multi.just(T... items)	Create a Multi instance that publishes the given items to a single subscriber.
default Multi<T>	Multi.limit(long limit)	Limit stream to allow only specified number of items to pass.
default Multi<T>	Multi.log()	Log all signals onSubscribe, onNext, onError, onComplete, cancel and request coming to and from preceding operator.
default Multi<T>	Multi.log(Level level)	Log all signals onSubscribe, onNext, onError, onComplete, cancel and request coming to and from preceding operator.
default Multi<T>	Multi.log(Level level, boolean trace)	Log all signals onSubscribe, onNext, onError, onComplete, cancel and request coming to and from preceding operator.
default Multi<T>	Multi.log(Level level, String loggerName)	Log all signals onSubscribe, onNext, onError, onComplete, cancel and request coming to and from preceding operator.
default <U> Multi<U>	Multi.map(Function<? super T,? extends U> mapper)	Map this Multi instance to a new Multi of another type using the given Function.
static Multi<ByteBuffer>	IoMulti.multiFromByteChannel(ReadableByteChannel byteChannel)	Creates a multi that reads data from the provided byte channel.
static Multi<ByteBuffer>	IoMulti.multiFromStream(InputStream inputStream)	Create a Multi instance that publishes ByteBuffers from the given InputStream.
static <T> Multi<T>	Multi.never()	Get a Multi instance that never completes.
default Multi<T>	Multi.observeOn(Executor executor)	Re-emit the upstream's signals to the downstream on the given executor's thread using a default buffer size of 32 and errors skipping ahead of items.
default Multi<T>	Multi.observeOn(Executor executor, int bufferSize, boolean delayError)	Re-emit the upstream's signals to the downstream on the given executor's thread.
default Multi<T>	Multi.onCancel(Runnable onCancel)	Executes given Runnable when a cancel signal is received.
Multi<T>	MultiTappedPublisher.onCancel(Runnable onCancel)
default Multi<T>	Multi.onComplete(Runnable onComplete)	Executes given Runnable when onComplete signal is received.
Multi<T>	MultiTappedPublisher.onComplete(Runnable onComplete)
default Multi<T>	Multi.onCompleteResume(T item)	Resume stream from single item if onComplete signal is intercepted.
default Multi<T>	Single.onCompleteResume(T item)	Resume stream from single item if onComplete signal is intercepted.
default Multi<T>	Multi.onCompleteResumeWith(Flow.Publisher<? extends T> publisher)	Resume stream from supplied publisher if onComplete signal is intercepted.
default Multi<T>	Single.onCompleteResumeWith(Flow.Publisher<? extends T> publisher)	Resume stream from supplied publisher if onComplete signal is intercepted.
default Multi<T>	Multi.onError(Consumer<? super Throwable> onErrorConsumer)	Executes given Runnable when onError signal is received.
Multi<T>	MultiTappedPublisher.onError(Consumer<? super Throwable> onErrorConsumer)
default Multi<T>	Multi.onErrorResume(Function<? super Throwable,? extends T> onError)	Function providing one item to be submitted as onNext in case of onError signal is received.
default Multi<T>	Multi.onErrorResumeWith(Function<? super Throwable,? extends Flow.Publisher<? extends T>> onError)	Resume stream from supplied publisher if onError signal is intercepted.
default Multi<T>	Single.onErrorResumeWith(Function<? super Throwable,? extends Flow.Publisher<? extends T>> onError)	Resume stream from supplied publisher if onError signal is intercepted.
default Multi<T>	Multi.onTerminate(Runnable onTerminate)	Executes given Runnable when any of signals onComplete, onCancel or onError is received.
Multi<T>	MultiTappedPublisher.onTerminate(Runnable onTerminate)
default Multi<T>	Multi.peek(Consumer<? super T> consumer)	Invoke provided consumer for every item in stream.
Multi<T>	MultiTappedPublisher.peek(Consumer<? super T> consumer)
static Multi<Integer>	Multi.range(int start, int count)	Emits a range of ever increasing integers.
static Multi<Long>	Multi.rangeLong(long start, long count)	Emits a range of ever increasing longs.
default Multi<T>	Multi.retry(long count)	Retry a failing upstream at most the given number of times before giving up.
default Multi<T>	Multi.retry(BiPredicate<? super Throwable,? super Long> predicate)	Retry a failing upstream if the predicate returns true.
default <U> Multi<T>	Multi.retryWhen(BiFunction<? super Throwable,? super Long,? extends Flow.Publisher<U>> whenFunction)	Retry a failing upstream when the given function returns a publisher that signals an item.
static <T> Multi<T>	Multi.singleton(T item)	Create a Multi that emits a pre-existing item and then completes.
default Multi<T>	Multi.skip(long skip)	Skip first n items, all the others are emitted.
default Multi<T>	Multi.switchIfEmpty(Flow.Publisher<T> other)	Switch to the other publisher if the upstream is empty.
default <U> Multi<T>	Multi.takeUntil(Flow.Publisher<U> other)	Relay upstream items until the other source signals an item or completes.
default Multi<T>	Multi.takeWhile(Predicate<? super T> predicate)	Take the longest prefix of elements from this stream that satisfy the given predicate.
default Multi<T>	Multi.timeout(long timeout, TimeUnit unit, ScheduledExecutorService executor)	Signals a TimeoutException if the upstream doesn't signal the next item, error or completion within the specified time.
default Multi<T>	Multi.timeout(long timeout, TimeUnit unit, ScheduledExecutorService executor, Flow.Publisher<T> fallback)	Switches to a fallback single if the upstream doesn't signal the next item, error or completion within the specified time.
static Multi<Long>	Multi.timer(long time, TimeUnit unit, ScheduledExecutorService executor)	Signal 0L and complete the sequence after the given time elapsed.

Methods in io.helidon.common.reactive that return types with arguments of type Multi

Modifier and Type	Method	Description
Function<? super Multi<ByteBuffer>,? extends Single<Void>>	IoMulti.MultiToByteChannelBuilder.build()
static Function<? super Multi<ByteBuffer>,? extends Single<Void>>	IoMulti.multiToByteChannel(WritableByteChannel writableChannel)	Creates function consuming Multi<ByteBuffer> to supplied WritableByteChannel.

Methods in io.helidon.common.reactive with parameters of type Multi

Modifier and Type	Method	Description
static <T> MultiTappedPublisher.Builder<T>	MultiTappedPublisher.builder(Multi<T> source)	A builder to customize a multi tapped publisher instance.

Method parameters in io.helidon.common.reactive with type arguments of type Multi

Modifier and Type	Method	Description
default <U> Multi<U>	Multi.compose(Function<? super Multi<T>,? extends Flow.Publisher<? extends U>> composer)	Apply the given composer function to the current Multi instance and return aMulti wrapping the returned Flow.Publisher of this function.
default <U> U	Multi.to(Function<? super Multi<T>,? extends U> converter)	Apply the given converter function to the current Multi instance and return the value returned by this function.

Uses of Multi in io.helidon.integrations.common.rest

Method parameters in io.helidon.integrations.common.rest with type arguments of type Multi

Modifier and Type	Method	Description
default <R, T extends ApiOptionalResponse<R>> Single<T>	RestApi.getPublisher(String path, ApiRequest<?> request, ApiOptionalResponse.BuilderBase<?,T,Multi<DataChunk>,R> responseBuilder)	Get with a response consisting of a stream.
protected <R, T extends ApiOptionalResponse<R>> Single<T>	RestApiBase.handlePublisherResponse(String path, ApiRequest<?> request, Http.Method method, String requestId, WebClientResponse response, ApiOptionalResponse.BuilderBase<?,T,Multi<DataChunk>,R> responseBuilder)	Handle response for optional publisher entity.
<R, T extends ApiOptionalResponse<R>> Single<T>	RestApi.invokePublisherResponse(Http.Method method, String path, ApiRequest<?> request, ApiOptionalResponse.BuilderBase<?,T,Multi<DataChunk>,R> responseBuilder)	Invoke API call that is expected to return bytes as a publisher.
<R, T extends ApiOptionalResponse<R>> Single<T>	RestApiBase.invokePublisherResponse(Http.Method method, String path, ApiRequest<?> request, ApiOptionalResponse.BuilderBase<?,T,Multi<DataChunk>,R> responseBuilder)

Uses of Multi in io.helidon.messaging

Method parameters in io.helidon.messaging with type arguments of type Multi

Modifier and Type	Method	Description
<PAYLOAD> Messaging.Builder	Messaging.Builder.subscriber(Channel<PAYLOAD> channel, Consumer<Multi<? extends Message<? extends PAYLOAD>>> consumer)	Use provided Multi to subscribe to supplied Channel.

Uses of Multi in io.helidon.reactive.dbclient

Methods in io.helidon.reactive.dbclient that return Multi

Modifier and Type	Method	Description
default Multi<DbRow>	DbExecute.namedQuery(String statementName, Object... parameters)	Create and execute a database query using a statement defined in the configuration file.
default Multi<DbRow>	DbExecute.query(String statement, Object... parameters)	Create and execute a database query using a statement passed as an argument.

Uses of Multi in io.helidon.reactive.faulttolerance

Methods in io.helidon.reactive.faulttolerance that return Multi

Modifier and Type	Method	Description
<T> Multi<T>	FtHandler.invokeMulti(Supplier<? extends Flow.Publisher<T>> supplier)	Invoke this fault tolerance handler on a supplier of a Flow.Publisher, such as a Multi.
Multi<T>	FtHandlerTyped.invokeMulti(Supplier<? extends Flow.Publisher<T>> supplier)	Invoke this fault tolerance handler on a supplier of a Flow.Publisher, such as a Multi.

Uses of Multi in io.helidon.reactive.media.common

Classes in io.helidon.reactive.media.common that implement Multi

Modifier and Type	Class	Description
final class	MessageBodyReadableContent	Readable MessageBodyContent.

Methods in io.helidon.reactive.media.common that return Multi

Modifier and Type	Method	Description
<T> Multi<T>	MessageBodyReadableContent.asStream(GenericType<T> type)	Consumes and converts the content payload into a stream of entities of the requested type.
<T> Multi<T>	MessageBodyReadableContent.asStream(Class<T> type)	Consumes and converts the content payload into a stream of entities of the requested type.