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

Packages that use Single

Package	Description
io.helidon.common.reactive	Common reactive library for Helidon projects.
io.helidon.media.common	Common classes for processing content with a specific MediaType.
io.helidon.media.jackson.common	Jackson media type support.
io.helidon.media.jsonb.common	JSON-B media type support.
io.helidon.media.jsonp.common	JSON-P media type support.

Uses of Single in io.helidon.common.reactive

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

Modifier and Type	Method	Description
default <U> Single<U>	Multi.collect(Collector<T,U> collector)	Collect the items of this Multi instance into a Single.
default <U> Single<U>	Multi.collect(Supplier<U> collectionSupplier, BiConsumer<U,T> accumulator)	Collect the items of this Multi into a collection provided via a Supplier and mutated by a BiConsumer callback.
default Single<List<T>>	Multi.collectList()	Collect the items of this Multi instance into a Single of List.
default <A,R> Single<R>	Multi.collectStream(Collector<T,A,R> collector)	Collects up upstream items with the help of a the callbacks of a Collector.
default Single<T>	Single.defaultIfEmpty(T defaultItem)	Signals the default item if the upstream is empty.
static <T> Single<T>	Single.defer(Supplier<? extends Single<? extends T>> supplier)	Call the given supplier function for each individual downstream Subscriber to return a Flow.Publisher to subscribe to.
static <T> Single<T>	Single.empty()	Get a Single instance that completes immediately.
static <T> Single<T>	Single.error(Throwable error)	Create a Single instance that reports the given given exception to its subscriber(s).
default Single<T>	Multi.first()	Get the first item of this Multi instance as a Single.
default <U> Single<U>	Single.flatMapSingle(Function<T,Single<U>> mapper)	Map this Single instance to a Single using the given Mapper.
static <T> Single<T>	Single.from(Flow.Publisher<T> source)	Create a Single instance that publishes the first and only item received from the given publisher.
static <T> Single<T>	Single.just(T item)	Create a Single instance that publishes the given item to its subscriber(s).
default <U> Single<U>	Single.map(Mapper<T,U> mapper)	Map this Single instance to a new Single of another type using the given Mapper.
static <T> Single<T>	Single.never()	Get a Single instance that never completes.
default Single<T>	Single.onComplete(Runnable onTerminate)	Executes given Runnable when onComplete signal is received.
default Single<T>	Single.onError(Consumer<Throwable> onErrorConsumer)	Executes given Runnable when onError signal is received.
default Single<T>	Single.onErrorResume(Function<? super Throwable,? extends T> onError)	Function providing one item to be submitted as onNext in case of onError signal is received.
default Single<T>	Single.onErrorResumeWith(Function<? super Throwable,? extends Single<? extends T>> onError)	Resume stream from supplied publisher if onError signal is intercepted.
default Single<T>	Single.onTerminate(Runnable onTerminate)	Executes given Runnable when any of signals onComplete, onCancel or onError is received.
default Single<T>	Single.peek(Consumer<T> consumer)	Invoke provided consumer for the item in stream.
default Single<T>	Multi.reduce(BiFunction<T,T,T> reducer)	Combine subsequent items via a callback function and emit the final value result as a Single.
default <R> Single<R>	Multi.reduce(Supplier<? extends R> supplier, BiFunction<R,T,R> reducer)	Combine every upstream item with an accumulator value to produce a new accumulator value and emit the final accumulator value as a Single.
default Single<T>	Single.switchIfEmpty(Single<T> other)	Switch to the other Single if the upstream is empty.
default <U> Single<T>	Single.takeUntil(Flow.Publisher<U> other)	Relay upstream items until the other source signals an item or completes.
static Single<Long>	Single.timer(long time, TimeUnit unit, ScheduledExecutorService executor)	Signal 0L and complete the sequence after the given time elapsed.

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

Modifier and Type	Method	Description
default Single<T>	Single.switchIfEmpty(Single<T> other)	Switch to the other Single if the upstream is empty.

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

Modifier and Type	Method	Description
static <T> Single<T>	Single.defer(Supplier<? extends Single<? extends T>> supplier)	Call the given supplier function for each individual downstream Subscriber to return a Flow.Publisher to subscribe to.
default <U> Single<U>	Single.flatMapSingle(Function<T,Single<U>> mapper)	Map this Single instance to a Single using the given Mapper.
default Single<T>	Single.onErrorResumeWith(Function<? super Throwable,? extends Single<? extends T>> onError)	Resume stream from supplied publisher if onError signal is intercepted.

Uses of Single in io.helidon.media.common

Methods in io.helidon.media.common that return Single

Modifier and Type	Method	Description
<U extends InputStream> Single<U>	InputStreamBodyReader.read(Flow.Publisher<DataChunk> publisher, GenericType<U> type, MessageBodyReaderContext context)
<U extends T> Single<U>	MessageBodyReader.read(Flow.Publisher<DataChunk> publisher, GenericType<U> type, MessageBodyReaderContext context)	Convert a HTTP payload into a Single publisher of the given type.
<U extends String> Single<U>	StringBodyReader.read(Flow.Publisher<DataChunk> publisher, GenericType<U> type, MessageBodyReaderContext context)
static Single<byte[]>	ContentReaders.readBytes(Flow.Publisher<DataChunk> chunks)	Collect the DataChunk of the given publisher into a single byte array.
static Single<String>	ContentReaders.readString(Flow.Publisher<DataChunk> chunks, Charset charset)	Convert the given publisher of DataChunk into a String.
static Single<String>	ContentReaders.readURLEncodedString(Flow.Publisher<DataChunk> chunks, Charset charset)	Convert the publisher of DataChunk into a String processed through URL decoding.
<T> Single<T>	MessageBodyReaderContext.unmarshall(Flow.Publisher<DataChunk> payload, GenericType<T> type)	Convert a given HTTP payload into a publisher by selecting a reader that accepts the specified type and current context.
<T> Single<T>	MessageBodyReaderContext.unmarshall(Flow.Publisher<DataChunk> payload, Class<? extends MessageBodyReader<T>> readerType, GenericType<T> type)	Convert a given HTTP payload into a publisher by selecting a reader with the specified class.
static Single<DataChunk>	ContentWriters.writeBytes(byte[] bytes, boolean copy)	Create a DataChunk with the given byte array and return a Single.
static Single<DataChunk>	ContentWriters.writeCharBuffer(CharBuffer buffer, Charset charset)	Create a a publisher DataChunk with the given CharBuffer / Charset and return a Single.
static Single<DataChunk>	ContentWriters.writeCharSequence(CharSequence cs, Charset charset)	Create a publisher of DataChunk with the given CharSequence / Charset and return a Single.
static Single<DataChunk>	ContentWriters.writeStackTrace(Throwable throwable, Charset charset)	Create a a publisher DataChunk with the given Throwable / Charset and return a Single.

Methods in io.helidon.media.common with parameters of type Single

Modifier and Type	Method	Description
<T> Flow.Publisher<DataChunk>	MessageBodyWriterContext.marshall(Single<T> content, GenericType<T> type, MessageBodyWriterContext fallback)	Convert a given input publisher into HTTP payload by selecting a writer that accepts the specified type and current context.
<T> Flow.Publisher<DataChunk>	MessageBodyWriterContext.marshall(Single<T> content, Class<? extends MessageBodyWriter<T>> writerType, GenericType<T> type, MessageBodyWriterContext fallback)	Convert a given input publisher into HTTP payload by selecting a writer with the specified class.
Flow.Publisher<DataChunk>	ByteChannelBodyWriter.write(Single<ReadableByteChannel> content, GenericType<? extends ReadableByteChannel> type, MessageBodyWriterContext context)
Flow.Publisher<DataChunk>	CharSequenceBodyWriter.write(Single<CharSequence> content, GenericType<? extends CharSequence> type, MessageBodyWriterContext context)
Flow.Publisher<DataChunk>	FileBodyWriter.write(Single<File> content, GenericType<? extends File> type, MessageBodyWriterContext context)
Flow.Publisher<DataChunk>	MessageBodyWriter.write(Single<T> single, GenericType<? extends T> type, MessageBodyWriterContext context)	Generate HTTP payload from the objects of the given type.
Flow.Publisher<DataChunk>	PathBodyWriter.write(Single<Path> content, GenericType<? extends Path> type, MessageBodyWriterContext context)
Flow.Publisher<DataChunk>	ThrowableBodyWriter.write(Single<Throwable> content, GenericType<? extends Throwable> type, MessageBodyWriterContext context)

Uses of Single in io.helidon.media.jackson.common

Methods in io.helidon.media.jackson.common that return Single

Modifier and Type	Method	Description
<U> Single<U>	JacksonBodyReader.read(Flow.Publisher<DataChunk> publisher, GenericType<U> type, MessageBodyReaderContext context)

Methods in io.helidon.media.jackson.common with parameters of type Single

Modifier and Type	Method	Description
Flow.Publisher<DataChunk>	JacksonBodyWriter.write(Single<Object> content, GenericType<? extends Object> type, MessageBodyWriterContext context)

Uses of Single in io.helidon.media.jsonb.common

Methods in io.helidon.media.jsonb.common that return Single

Modifier and Type	Method	Description
<U> Single<U>	JsonbBodyReader.read(Flow.Publisher<DataChunk> publisher, GenericType<U> type, MessageBodyReaderContext context)

Methods in io.helidon.media.jsonb.common with parameters of type Single

Modifier and Type	Method	Description
Flow.Publisher<DataChunk>	JsonbBodyWriter.write(Single<Object> content, GenericType<? extends Object> type, MessageBodyWriterContext context)

Uses of Single in io.helidon.media.jsonp.common

Methods in io.helidon.media.jsonp.common that return Single

Modifier and Type	Method	Description
<U extends javax.json.JsonStructure> Single<U>	JsonpBodyReader.read(Flow.Publisher<DataChunk> publisher, GenericType<U> type, MessageBodyReaderContext context)

Methods in io.helidon.media.jsonp.common with parameters of type Single

Modifier and Type	Method	Description
Flow.Publisher<DataChunk>	JsonpBodyWriter.write(Single<javax.json.JsonStructure> content, GenericType<? extends javax.json.JsonStructure> type, MessageBodyWriterContext context)