Module io.helidon.common.reactive

Package io.helidon.common.reactive

Class MultiFromOutputStream

java.lang.Object

java.io.OutputStream

io.helidon.common.reactive.MultiFromOutputStream

All Implemented Interfaces:

Multi<ByteBuffer>, Subscribable<ByteBuffer>, Closeable, Flushable, AutoCloseable, Flow.Publisher<ByteBuffer>

public class MultiFromOutputStream
extends OutputStream
implements Multi<ByteBuffer>

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

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	MultiFromOutputStream()	Create new output stream that Flow.Publisher publishes any data written to it as ByteBuffer events.

Method Summary

Modifier and Type	Method	Description
void	close()
void	flush()	Send empty buffer as an indication of a user-requested flush.
MultiFromOutputStream	onRequest(BiConsumer<Long,Long> requestCallback)	Callback executed when request signal from downstream arrive.
void	subscribe(Flow.Subscriber<? super ByteBuffer> subscriber)
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class java.io.OutputStream

nullOutputStream

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.Multi

collect, collect, collectList, collectStream, compose, defaultIfEmpty, distinct, dropWhile, filter, first, flatMap, flatMap, flatMapIterable, flatMapIterable, forEach, limit, map, observeOn, observeOn, onCancel, onComplete, onCompleteResume, onCompleteResumeWith, onError, onErrorResume, onErrorResumeWith, onTerminate, peek, reduce, reduce, retry, retry, retryWhen, skip, switchIfEmpty, takeUntil, takeWhile, timeout, timeout, to

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

subscribe, subscribe, subscribe, subscribe

Constructor Detail

MultiFromOutputStream

protected MultiFromOutputStream()

Create new output stream that Flow.Publisher publishes any data written to it as ByteBuffer events.

Method Detail

onRequest

public MultiFromOutputStream onRequest(BiConsumer<Long,Long> requestCallback)

Callback executed when request signal from downstream arrive.

• param n the requested count.
• param demand the current total cumulative requested count, ranges between [0, Long.MAX_VALUE] where the max indicates that this publisher is unbounded.

Parameters:

requestCallback - to be executed

Returns:

this OutputStreamMulti

subscribe

public void subscribe(Flow.Subscriber<? super ByteBuffer> subscriber)

Specified by:

subscribe in interface Flow.Publisher<ByteBuffer>

write

public void write(byte[] b)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b,
                  int off,
                  int len)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

Throws:

IOException

flush

public void flush()
           throws IOException

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

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

Throws:

IOException - If an I/O occurs.