Top Description Inners Fields Constructors Methods
io.reactivex.internal.operators.maybe

public final Class MaybeToObservable<T>

extends Observable<T>
implements HasUpstreamMaybeSource<T>
Class Inheritance
All Implemented Interfaces
io.reactivex.internal.fuseable.HasUpstreamMaybeSource
Type Parameters
<T>
the value type
Imports
io.reactivex.*, io.reactivex.disposables.Disposable, io.reactivex.internal.disposables.DisposableHelper, io.reactivex.internal.fuseable.HasUpstreamMaybeSource, io.reactivex.internal.observers.DeferredScalarDisposable
Wraps a MaybeSource and exposes it as an Observable, relaying signals in a backpressure-aware manner and composes cancellation through.

Nested and Inner Type Summary

Modifier and TypeClass and Description
pack-priv static class
MaybeToObservable.MaybeToObservableObserver<T>

Field Summary

Modifier and TypeField and Description
pack-priv final MaybeSource<T>
source

Constructor Summary

AccessConstructor and Description
public
MaybeToObservable(MaybeSource<T> source)

Method Summary

Modifier and TypeMethod and Description
public static <
the value type
T> MaybeObserver<T>

Returns:

the new MaybeObserver instance
create(Observer<? super T>
the downstream Observer to talk to
downstream)

Creates a MaybeObserver wrapper around a Observer.

public MaybeSource<T>
source()

Implements io.reactivex.internal.fuseable.HasUpstreamMaybeSource.source.

Returns the upstream source of this Maybe.
protected void
subscribeActual(Observer<? super T>
the incoming Observer, never null
observer)

Implements abstract io.reactivex.Observable.subscribeActual.

Operator implementations (both source and intermediate) should implement this method that performs the necessary business logic and handles the incoming Observers.
Inherited from io.reactivex.Observable:
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Field Detail

sourceback to summary
pack-priv final MaybeSource<T> source

Constructor Detail

MaybeToObservableback to summary
public MaybeToObservable(MaybeSource<T> source)

Method Detail

createback to summary
public static <T> MaybeObserver<T> create(Observer<? super T> downstream)

Creates a MaybeObserver wrapper around a Observer.

History: 2.1.11 - experimental

Parameters
<T>
the value type
downstream:Observer<? super T>

the downstream Observer to talk to

Returns:MaybeObserver<T>

the new MaybeObserver instance

Since
2.2
sourceback to summary
public MaybeSource<T> source()

Implements io.reactivex.internal.fuseable.HasUpstreamMaybeSource.source.

Doc from io.reactivex.internal.fuseable.HasUpstreamMaybeSource.source.

Returns the upstream source of this Maybe.

Allows discovering the chain of observables.

Returns:MaybeSource<T>

the source MaybeSource

Annotations
@Override
subscribeActualback to summary
protected void subscribeActual(Observer<? super T> observer)

Implements abstract io.reactivex.Observable.subscribeActual.

Doc from io.reactivex.Observable.subscribeActual.

Operator implementations (both source and intermediate) should implement this method that performs the necessary business logic and handles the incoming Observers.

There is no need to call any of the plugin hooks on the current Observable instance or the Observer; all hooks and basic safeguards have been applied by subscribe(Observer) before this method gets called.

Parameters
observer:Observer<? super T>

the incoming Observer, never null

Annotations
@Override
io.reactivex.internal.operators.maybe back to summary

pack-priv final Class MaybeToObservable.MaybeToObservableObserver<T>

extends DeferredScalarDisposable<T>
implements MaybeObserver<T>
Class Inheritance
All Implemented Interfaces
io.reactivex.MaybeObserver

Field Summary

Modifier and TypeField and Description
private static final long
serialVersionUID

Hides io.reactivex.internal.observers.DeferredScalarDisposable.serialVersionUID.

pack-priv Disposable
upstream

Inherited from io.reactivex.internal.observers.DeferredScalarDisposable:
downstreamvalue

Constructor Summary

AccessConstructor and Description
pack-priv
MaybeToObservableObserver(Observer<? super T> downstream)

Method Summary

Modifier and TypeMethod and Description
public void
dispose()

Overrides io.reactivex.internal.observers.DeferredScalarDisposable.dispose.

Implements io.reactivex.disposables.Disposable.dispose.

Dispose the resource, the operation should be idempotent.
public void
onComplete()

Implements io.reactivex.MaybeObserver.onComplete.

Called once the deferred computation completes normally.
public void
onError(Throwable
the exception encountered by the Maybe
e)

Implements io.reactivex.MaybeObserver.onError.

Notifies the MaybeObserver that the Maybe has experienced an error condition.
public void
onSubscribe(Disposable
the Disposable instance whose Disposable#dispose() can be called anytime to cancel the connection
d)

Implements io.reactivex.MaybeObserver.onSubscribe.

Provides the MaybeObserver with the means of cancelling (disposing) the connection (channel) with the Maybe in both synchronous (from within onSubscribe(Disposable) itself) and asynchronous manner.
public void
onSuccess(T
the item emitted by the Maybe
value)

Implements io.reactivex.MaybeObserver.onSuccess.

Notifies the MaybeObserver with one item and that the Maybe has finished sending push-based notifications.
Inherited from io.reactivex.internal.observers.DeferredScalarDisposable:
clearcompletecompleteerrorisDisposedisEmptypollrequestFusiontryDispose

Field Detail

serialVersionUIDback to summary
private static final long serialVersionUID

Hides io.reactivex.internal.observers.DeferredScalarDisposable.serialVersionUID.

upstreamback to summary
pack-priv Disposable upstream

Constructor Detail

MaybeToObservableObserverback to summary
pack-priv MaybeToObservableObserver(Observer<? super T> downstream)

Method Detail

disposeback to summary
public void dispose()

Overrides io.reactivex.internal.observers.DeferredScalarDisposable.dispose.

Implements io.reactivex.disposables.Disposable.dispose.

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

Dispose the resource, the operation should be idempotent.

Annotations
@Override
onCompleteback to summary
public void onComplete()

Implements io.reactivex.MaybeObserver.onComplete.

Doc from io.reactivex.MaybeObserver.onComplete.

Called once the deferred computation completes normally.

Annotations
@Override
onErrorback to summary
public void onError(Throwable e)

Implements io.reactivex.MaybeObserver.onError.

Doc from io.reactivex.MaybeObserver.onError.

Notifies the MaybeObserver that the Maybe has experienced an error condition.

If the Maybe calls this method, it will not thereafter call onSuccess.

Parameters
e:Throwable

the exception encountered by the Maybe

Annotations
@Override
onSubscribeback to summary
public void onSubscribe(Disposable d)

Implements io.reactivex.MaybeObserver.onSubscribe.

Doc from io.reactivex.MaybeObserver.onSubscribe.

Provides the MaybeObserver with the means of cancelling (disposing) the connection (channel) with the Maybe in both synchronous (from within onSubscribe(Disposable) itself) and asynchronous manner.

Parameters
d:Disposable

the Disposable instance whose Disposable#dispose() can be called anytime to cancel the connection

Annotations
@Override
onSuccessback to summary
public void onSuccess(T value)

Implements io.reactivex.MaybeObserver.onSuccess.

Doc from io.reactivex.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