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io.reactivex.rxjava3.internal.operators.maybe

public final Class MaybeFlatMapIterableObservable<T, R>

extends Observable<R>
Class Inheritance
Type Parameters
<T>
the source value type
<R>
the element type of the Iterable
Imports
java.util.Iterator, .Objects, io.reactivex.rxjava3.annotations.Nullable, io.reactivex.rxjava3.core.*, io.reactivex.rxjava3.disposables.Disposable, io.reactivex.rxjava3.exceptions.Exceptions, io.reactivex.rxjava3.functions.Function, io.reactivex.rxjava3.internal.disposables.DisposableHelper, io.reactivex.rxjava3.internal.observers.BasicQueueDisposable

Maps a success value into an Iterable and streams it back as a Flowable.

Nested and Inner Type Summary

Modifier and TypeClass and Description
pack-priv static class

Field Summary

Modifier and TypeField and Description
pack-priv final Function<? super T, ? extends Iterable<? extends R>>
pack-priv final MaybeSource<T>

Constructor Summary

AccessConstructor and Description
public
MaybeFlatMapIterableObservable(MaybeSource<T> source, Function<? super T, ? extends Iterable<? extends R>> mapper)

Method Summary

Modifier and TypeMethod and Description
protected void
subscribeActual(Observer<? super R> observer)

Inherited from io.reactivex.rxjava3.core.Observable:
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omwithLatestFromwithLatestFromwithLatestFromwithLatestFromwithLatestFromwrapzipzipzipzipzipzipzipzipzipzipzipzipzipArrayzipWithzipWithzipWithzipWith

Field Detail

mapperback to summary
pack-priv final Function<? super T, ? extends Iterable<? extends R>> mapper
sourceback to summary
pack-priv final MaybeSource<T> source

Constructor Detail

MaybeFlatMapIterableObservableback to summary
public MaybeFlatMapIterableObservable(MaybeSource<T> source, Function<? super T, ? extends Iterable<? extends R>> mapper)

Method Detail

subscribeActualback to summary
protected void subscribeActual(Observer<? super R> observer)
Annotations
@Override
io.reactivex.rxjava3.internal.operators.maybe back to summary

pack-priv final Class MaybeFlatMapIterableObservable.FlatMapIterableObserver<T, R>

extends BasicQueueDisposable<R>
implements MaybeObserver<T>
Class Inheritance
All Implemented Interfaces
io.reactivex.rxjava3.core.MaybeObserver

Field Summary

Modifier and TypeField and Description
pack-priv volatile boolean
pack-priv final Observer<? super R>
pack-priv volatile Iterator<? extends R>
pack-priv final Function<? super T, ? extends Iterable<? extends R>>
pack-priv boolean
pack-priv Disposable

Constructor Summary

AccessConstructor and Description
pack-priv
FlatMapIterableObserver(Observer<? super R> actual, Function<? super T, ? extends Iterable<? extends R>> mapper)

Method Summary

Modifier and TypeMethod and Description
public void
clear()

Implements io.reactivex.rxjava3.operators.SimpleQueue.clear.

Removes all enqueued items from this queue.
public void
dispose()

Implements io.reactivex.rxjava3.disposables.Disposable.dispose.

Dispose the resource, the operation should be idempotent.
public boolean
isDisposed()

Implements io.reactivex.rxjava3.disposables.Disposable.isDisposed.

Returns true if this resource has been disposed.
public boolean
isEmpty()

Implements io.reactivex.rxjava3.operators.SimpleQueue.isEmpty.

Returns true if the queue is empty.
public void
onComplete()

Implements io.reactivex.rxjava3.core.MaybeObserver.onComplete.

Called once the deferred computation completes normally.
public void
public void
public void
onSuccess(T
the item emitted by the Maybe
value
)

Implements io.reactivex.rxjava3.core.MaybeObserver.onSuccess.

Notifies the MaybeObserver with one item and that the Maybe has finished sending push-based notifications.
public R
poll()

Implements io.reactivex.rxjava3.operators.SimpleQueue.poll.

Tries to dequeue a value (non-null) or returns null if the queue is empty.
public int
requestFusion(int
the requested fusion mode, allowed values are SYNC, ASYNC, ANY combined with BOUNDARY (e.g., requestFusion(SYNC | BOUNDARY)).
mode
)

Implements io.reactivex.rxjava3.operators.QueueFuseable.requestFusion.

Request a fusion mode from the upstream.
Inherited from io.reactivex.rxjava3.internal.observers.BasicQueueDisposable:
offeroffer

Field Detail

cancelledback to summary
pack-priv volatile boolean cancelled
downstreamback to summary
pack-priv final Observer<? super R> downstream
itback to summary
pack-priv volatile Iterator<? extends R> it
mapperback to summary
pack-priv final Function<? super T, ? extends Iterable<? extends R>> mapper
outputFusedback to summary
pack-priv boolean outputFused
upstreamback to summary
pack-priv Disposable upstream

Constructor Detail

FlatMapIterableObserverback to summary
pack-priv FlatMapIterableObserver(Observer<? super R> actual, Function<? super T, ? extends Iterable<? extends R>> mapper)

Method Detail

clearback to summary
public void clear()

Implements io.reactivex.rxjava3.operators.SimpleQueue.clear.

Doc from io.reactivex.rxjava3.operators.SimpleQueue.clear.

Removes all enqueued items from this queue.

Annotations
@Override
disposeback to summary
public void dispose()

Implements io.reactivex.rxjava3.disposables.Disposable.dispose.

Doc from io.reactivex.rxjava3.disposables.Disposable.dispose.

Dispose the resource, the operation should be idempotent.

Annotations
@Override
isDisposedback to summary
public boolean isDisposed()

Implements io.reactivex.rxjava3.disposables.Disposable.isDisposed.

Doc from io.reactivex.rxjava3.disposables.Disposable.isDisposed.

Returns true if this resource has been disposed.

Returns:boolean

true if this resource has been disposed

Annotations
@Override
isEmptyback to summary
public boolean isEmpty()

Implements io.reactivex.rxjava3.operators.SimpleQueue.isEmpty.

Doc from io.reactivex.rxjava3.operators.SimpleQueue.isEmpty.

Returns true if the queue is empty.

Note however that due to potential fused functions in poll() it is possible this method returns false but then poll() returns null because the fused function swallowed the available item(s).

Returns:boolean

true if the queue is empty

Annotations
@Override
onCompleteback to summary
public void onComplete()

Implements io.reactivex.rxjava3.core.MaybeObserver.onComplete.

Doc from io.reactivex.rxjava3.core.MaybeObserver.onComplete.

Called once the deferred computation completes normally.

Annotations
@Override
onErrorback to summary
public void onError(Throwable e)
Annotations
@Override
onSubscribeback to summary
public void onSubscribe(Disposable d)
Annotations
@Override
onSuccessback to summary
public void onSuccess(T value)

Implements io.reactivex.rxjava3.core.MaybeObserver.onSuccess.

Doc from io.reactivex.rxjava3.core.MaybeObserver.onSuccess.

Notifies the MaybeObserver with one item and that the Maybe has finished sending push-based notifications.

The Maybe will not call this method if it calls onError.

Parameters
value:T

the item emitted by the Maybe

Annotations
@Override
pollback to summary
public R poll()

Implements io.reactivex.rxjava3.operators.SimpleQueue.poll.

Doc from io.reactivex.rxjava3.operators.SimpleQueue.poll.

Tries to dequeue a value (non-null) or returns null if the queue is empty.

If the producer uses offer(Object, Object) and when polling in pairs, if the first poll() returns a non-null item, the second poll() is guaranteed to return a non-null item as well.

Returns:R

the item or null to indicate an empty queue

Annotations
@Nullable
@Override
requestFusionback to summary
public int requestFusion(int mode)

Implements io.reactivex.rxjava3.operators.QueueFuseable.requestFusion.

Doc from io.reactivex.rxjava3.operators.QueueFuseable.requestFusion.

Request a fusion mode from the upstream.

This should be called before onSubscribe returns.

Calling this method multiple times or after onSubscribe finished is not allowed and may result in undefined behavior.

Parameters
mode:int

the requested fusion mode, allowed values are SYNC, ASYNC, ANY combined with BOUNDARY (e.g., requestFusion(SYNC | BOUNDARY)).

Returns:int

the established fusion mode: NONE, SYNC, ASYNC.

Annotations
@Override