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Update dependency io.reactivex.rxjava2:rxjava to v2.2.21 #45
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This PR contains the following updates:
2.1.3->2.2.21Release Notes
ReactiveX/RxJava
v2.2.21Maven
JavaDocs
Enhancements
Scheduler. (#7162)Schedulers to useSystem.nanoTime()fornow(). (#7170)v2.2.20Maven
JavaDocs
Bugfixes
Observable.flatMapwithmaxConcurrencyhangs (#6960)Observable.toFlowable(ERROR)not cancelling uponMissingBackpressureException(#7084)Flowable.concatMapbackpressure with scalars. (#7091)v2.2.19Maven
JavaDocs
Bugfixes
switchMapnot canceling properly duringonNext-cancelraces.v2.2.18Maven
Bugfixes
groupBynot requesting more if a group is cancelled with buffered items.v2.2.17Maven
Bugfixes
Flowable.flatMapnot canceling the inner sources on outer error.v2.2.16Maven
Bugfixes
amb,combineLatestandzipIterableoverloads throwingArrayStoreExceptionforObservableSources.Documentation changes
v2.2.15Maven
Bugfixes
MulticastProcessornot requesting more after limit is reached.clearinobserveOnwhile output-fused.parallel()on grouped flowable not replenishing properly.Documentation changes
observeOnto mention its eagerness.Other changes
j.u.c.Flowwarnings due to RS 1.0.3.v2.2.14Maven
Bugfixes
clear()calls when fused chains are canceled.window(time)possible interrupts while terminating.Documentation changes
Singlefrom 3.x.v2.2.13Maven
Dependencies
Bugfixes
System.getProperties().takeLast(time)last events time window calculation.windownot creating windows properly.v2.2.12Maven
Bugfixes
switchMapincorrect sync-fusion & error management.blockingIterablehang when force-disposed.refCountnot resetting when cross-canceled.v2.2.11Maven
Bugfixes
mergeWithnot canceling other when the main fails.ObservableBlockingSubscribecompares with wrong object.replay()andReplaySubject/Processor.Documentation changes
Single.doOnTerminaterefer toonCompletenotification.v2.2.10Maven
Bugfixes
BufferExactBoundedObserver.publish().refCount()hang due to race.concatMapDelayErrornot continuing on fused inner source crash.Documentation changes
Additional-Reading.md.Alphabetical-List-of-Observable-Operators.md.Flowable.v2.2.9Maven
Bugfixes
zipnot stopping the subscription upon eager error.Documentation changes
MaybeandSingleJavaDocs.retryoperator.Other
SchedulersfromObservableRefCount.ObservableFromArray.sample(Observable).Flowable.java.elsefrom theObservable.v2.2.8Maven
Bugfixes
Completable.fromRunnable&fromActionoperators.Documentation changes
CompositeDisposable.Creating-Observableswiki doc.Other
v2.2.7Maven
API enhancements
doOnTerminatetoSingle/Maybefor consistency.Bugfixes
window()with start/end selector not disposing/cancelling properly.Documentation changes
Observable#debounceandFlowable#debouncejavadoc.flattenAsFlowableandflattenAsObservablemethods.v2.2.6Maven
API enhancements
Schedulers.from(Executor, boolean)overload.Bugfixes
Observable.repeatWhendue to flooding repeat signal.Completable.andThen(Completable)not running onobserveOn'sScheduler.Flowable.publishnot requesting upon client change.replay()memory leak due to bad node retention.{Single|Maybe|Completable}.amb().CompositeException.getRootCause()detecting loops in the cause graph.Documentation changes
timeout(fallback).Other changes
ignoreElementto convertSingletoCompletablein theREADME.md.v2.2.5Maven
Documentation changes
elementAtOrDefault.@code.Wiki changes
Other changes
@NonNullannotation factory methods.v2.2.4Maven
API changes
Maybe/Single/Completablematerializeoperator,Single.dematerialize(selector)operator.Flowable/Observabledematerialize(selector)operator.Bugfixes
doOn{Dispose|Cancel}handler at most once.Observable.flatMapto sustain concurrency level.Documentation changes
io.reactivex.schedulers.onSubscribenull-checks to NPE docs onFlowable/Observablesubscribe.Flowable.zipdocs.Emitterinterface methods.Flowable.groupBy.distinctUntilChangedrequires non-mutating data to work as expected.Wiki changes
generateexamples toCreating-Observables.md.Creating-Observables.mddocs stlye mistake.How-to-Contribute.md.Other changes
SubscriptionHelper.isCancelled().Observable/Flowablecache()operators.Scheduleras System property.Flowable.toObservablebackpressure annotation.v2.2.3Maven
API changes
Completable.delaySubscription()operator.Documentation changes
ConnectableObservable.io.reactivex.functions.Functionsnonexistent utility class.Other changes
Observable.flatMapdrain logic.TimeoutExceptionmessage in thetimeoutoperators.UndeliverableExceptionandOnErrorNotImplementedExceptionmessage to use the full inner exception.@Nullableannotations for blocking methods inCompletable.v2.2.2Maven
Bugfixes
refCounttermination-reconnect race.Documentation changes
Undeliverable&OnErrorNotImplementedexceptions.nullobserver/subscriber return errors fromRxJavaPluginsin detail.Additional-Reading.md.Flowable.reduce(BiFunction)JavaDoc; the operator does not signalNoSuchElementException.fromCallable& co.toFuturemarbles and descriptions.v2.2.1Maven
API changes
concatArrayEagerDelayErroroperator (expose feature).Bugfixes
concatMapandpublishoperator.Flowable.fromCallableconsistent with the otherfromCallables.Completable.fromCallableviaRxJavaPlugins.observeOnnot letworker.dispose()get called prematurely.Performance improvements
Completable.onErrorResumeNextinternals.Flowable.onErrorResumeNextimprovements.Documentation changes
JavaDocs
Single.timer,Single.deferandSingle.toXXXoperators.Single.concatoperator.Singleoperators.TestObserver.assertValueSetin docs and via tests.Maybe.flatMapevents toMaybeSource.Wiki changes
fromEmitter()in wiki._Sidebar.mdwith new order of topics.Creating-Observables.mdwiki.v2.2.0Maven
Summary
Version 2.2.0 is the next minor release of the 2.x era and contains the standardization of many experimental API additions from the past year since version 2.1.0. Therefore, the following components are now considered stable and will be supported throughout the rest of the life of RxJava 2.x.
Classes, Enums, Annotations
MulticastProcessorParallelFlowable,UndeliverableException,OnErrorNotImplementedExceptionParallelFailureHandling{Completable|Single|Maybe|Observable|Flowable|Parallel}Emitter,{Completable|Single|Maybe|Observable|Flowable|Parallel}Converter,LambdaConsumerIntrospection,ScheduledRunnableIntrospectionOperators
Flowable:as,concatMap{Single|Maybe|Completable},limit,parallel,switchMap{Single|Maybe|Completable},throttleLatestObservable:as,concatMap{Single|Maybe|Completable},switchMap{Single|Maybe|Completable},throttleLatestSingle:as,mergeDelayError,onTerminateDetach,unsubscribeOnMaybe:as,mergeDelayError,switchIfEmptyCompletable:as,fromMaybe,onTerminateDetach,takeUntilParallelFlowable:as,map|filter|doOnNext(errorHandling)˙,sequentialDelayErrorConnectable{Flowable, Observable}:refCount(count + timeout)Subject/FlowableProcessor:offer,cleanupBuffer,create(..., delayError)Test{Observer, Subscriber}:assertValueAt,assertValuesOnly,assertValueSetOnly(For the complete list and details on the promotions, see PR 6105.)
Release 2.2.0 is functionally identical to 2.1.17. Also to clarify, just like with previous minor version increments with RxJava, there won't be any further development or updates on the version 2.1.x (patch) level.
Other promotions
All Experimental/Beta APIs introduced up to version 2.1.17 are now standard with 2.2.
Project statistics
Acknowledgements
The project would like to thank the following contributors for their work on various code and documentation improvements (in the order they appear on the commit page):
@lcybo, @jnlopar, @UMFsimke, @apodkutin, @sircelsius,
@romanzes, @Kiskae, @RomanWuattier, @satoshun, @hans123456,
@fjoshuajr, @davidmoten, @vanniktech, @antego, @strekha,
@artfullyContrived, @VeskoI, @Desislav-Petrov, @Apsaliya, @sidjain270592,
@Milack27, @mekarthedev, @kjkrum, @zhyuri, @artem-zinnatullin,
@vpriscan, @aaronhe42, @adamsp, @bangarharshit, @zhukic,
@afeozzz, @btilbrook-nextfaze, @eventualbuddha, @shaishavgandhi05, @lukaszguz,
@runningcode, @kimkevin, @JakeWharton, @hzsweers, @ggikko,
@philleonard, @sadegh, @dsrees, @benwicks, @dweebo,
@dimsuz, @levaja, @takuaraki, @PhilGlass, @bmaslakov,
@tylerbwong, @AllanWang, @NickFirmani, @plackemacher, @matgabriel,
@jemaystermind, @ansman, @Ganapathi004, @leonardortlima, @pwittchen,
@youngam, @Sroka, @serj-lotutovici, @nathankooij, @mithunsasidharan,
@devisnik, @mg6maciej, @Rémon S, @hvesalai, @kojilin,
@ragunathjawahar, @brucezz, @paulblessing, @cypressf, @langara
(75 contributors)
The project would also thank its tireless reviewer @vanniktech for all his efforts on verifying and providing feedback on the many PRs from the project lead himself. 👍
v2.1.17Maven
API changes
Completable.takeUntil(Completable)operator.Completable.fromMaybeoperator.Performance improvements
Completable.delayoperator internals.Documentation changes
Singleclass.dl/ddentry stylesheet.Single,MaybeandCompletable.dt/ddwithin the method details.CompletablemergeXJavaDoc missingdtbeforedd.Observable#lift.Single.nevermethod.Single.filtermethod.Maybe.hidemarble diagram.Single.delaymethod.Single.hideoperator.Completablemarble diagrams (07/17a).Single.repeatoperators.Completablemarbles.Single.repeatUntiloperator.Completablemarbles (+17, 07/18a).Single.amboperators.Completablemarbles (+19, 07/19a).Completablemarbles (7/19b).Completablemarbles (+26).v2.1.16Maven
This is a hotfix release for a late-identified issue with
concatMapMaybeandconcatMapSingle.Bugfixes
concatMap{Single|Maybe}null emission on success-dispose race.v2.1.15Maven
API changes
blockingSubscribeoverload with prefetch amount allowing bounded backpressure.{PublishSubject|PublishProcessor}.subscribeActualtoprotected. They were accidentally made public and there is no reason to call them outside of RxJava internals.Documentation changes
CompositeDisposableJavaDoc.MulticastProcessorJavaDoc comment.throttleWithTimoutis an alias ofdebounce.Maybemarble diagrams 06/21/ablockingForEach()JavaDocs.{X}ProcessorJavaDocs by syncing with{X}Subjectdocs.Performance enhancements
Single.flatMapPublisherso it doesn't batch requests.{Single|Maybe}.flatMap{Publisher|Observable}&andThen(Observable|Publisher)implementations.Observable.takeUntil.Bugfixes
Single.takeUntil,Maybe.takeUntildispose behavior.groupByeviction so that source is cancelled and reduce volatile reads.LambdaObserver.onErrorto route to global error handler.BlockingSubscriberthat would always be false due to wrong variable.Other changes
MulticastProcessor&{0..1}.flatMapPublisherTakeUntilPerf.DESIGN.mdv2.1.14Maven
API changes
Single.concatEager().ConnectableObservable.refCount()andConnectableFlowable.refCount()with minimum consumer count & disconnect grace period.Observable.throttleLatestandFlowable.throttleLatest().MulticastProcessor.assertValueSetOnlyandassertValueSequenceOnlytoTestObserver/TestSubscriber.Deprecations
getValues()inSubjects/FlowableProcessors to be removed in 3.x.Documentation changes
Maybe/SingleJavaDocs; annotation cleanup.subscribeActualmethods.blockingSubscribeJavaDoc clarifications.Single.doOnXmethods.Observablejavadoc cleanup.Bugfixes
refCount()connect/subscribe/cancel deadlock.Flowable.taketo route post-cancel errors to plugin error handler.switchMapto indicate boundary fusion.Other changes
Schedulerclass.toStringmethod for someEmitters.nullchecks on primitives.v2.1.13Maven
API changes
Single.ignoreElement, deprecateSingle.toCompletable(will be removed in 3.0).Documentation changes
Completable.toMaybe()@returnjavadoc.Observablejavadoc mentioningdoOnCancelinstead ofdoOnDispose.blockingXJavaDoc to mention wrapping of checked Exceptions.Bugfixes
AppendOnlyLinkedArrayList.forEachWhile.Observable.concatMapSingledropping upstream items.Other changes
@NonNullannotations to create methods ofSubjects andProcessors.@SchedulerSupportannotation on constructors.TERMINATEDcheck inPublishSubject.onNextandPublishProcessor.onNext.v2.1.12Maven
Bugfixes
concatMapSingle&concatMapMaybedispose-cleanup crash.v2.1.11Maven
API changes
Flowable.concatMapCompletable{DelayError}operator.Flowable.switchMapCompletable{DelayError}operator.Flowable.concatMap{Maybe,Single}{DelayError}operators.Flowable.switchMap{Maybe,Single}{DelayError}operators.ObservableswitchMapXandconcatMapXoperators.TestSchedulerthat takes the initial virtual time.Performance enhancements
Observable.concatMapCompletable.Observable.(concat|switch)Map{Completable|Single|Maybe}.Observable.switchMapinner source.Documentation changes
Flowable.lift()operator.lift()operators.NoSuchElementExceptiontoSingle.zip().dematerialize()and terminal items/signals.buffer()documentation to correctly describeonErrorbehavior.Bugfixes
window(Observable|Callable)upstream handling.Flowable.window(Publisher|Callable)upstream handling.ReplaySubject.Observable.flatMapscalarmaxConcurrencyoverflow.publish(-|Function)subscriber swap possible data loss.replaycomponents.Flowable.singleOrError().toFlowable()not signallingNoSuchElementException.FlowableWindowBoundarynot cancelling the upstream on a missing backpressure case, causingNullPointerException.Other changes
@Nullableannotations to subjects.v2.1.10Maven
API changes
concatWith(Single|Maybe|Completable)overloads toFlowableandObservable.mergeWith(Single|Maybe|Completable)overloads toFlowableandObservable.Flowable.groupByoverload with evicting map factory.Documentation changes
share()JavaDocs.Observable.blockingIterable(int)and addObservable.blockingLatestmarbles.replayemission's item retention property.just()operator and reference other typical alternatives.SingleSubjectJavaDoc.distinct()anddistinctUntilChanged()in JavaDoc.Observer,SingleObserver,MaybeObserverandCompletableObserver.SchedulerAPI.{Flowable|Observable|Single|Maybe|Completable}Emitterinterfaces in detail.Maybe.fromCallableJavaDoc.Bugfixes
Observable.switchMapmainonErrornot disposing the current inner source.Other changes
Observable.timeInterval(TimeUnit).v2.1.9Maven
API changes
{Maybe|Single}.mergeDelayErrorvariants.Performance improvements
Flowableretry/repeat.Documentation changes
onTerminateDetach.BehaviorSubjectJavaDoc + related clarifications.merge()error handling.Maybe doOn{Success,Error,Complete}JavaDoc.merge()operator JavaDocs.XSubjectJavaDocs.Observable:Observablemarble fixes 01/08-b.Observable.replay(Function, ...)marble fixes.Observablemarbles, 01/10-a.Observablemarble additions/fixes.SubjectandProcessormarbles.Bugfixes
flatMapinner fused poll crash not cancelling the upstream.buffer(open, close)not disposing indicators properly.v2.1.8Maven
Warning! Behavior change regarding handling illegal calls with
nullinProcessors andSubjects.The Reactive Streams specification mandates that calling
onNextandonErrorwithnullshouldresult in an immediate
NullPointerExceptionthrown from these methods. Unfortunately, this requirement was overlooked (it resulted in calls toonErrorwithNullPointerExceptionwhich meant the Processor/Subject variants entered their terminal state).If, for some reason, the original behavior is required, one has to call
onErrorwith aNullPointerExceptionexplicitly:API changes
Workers from someSchedulers.RxJavaPlugins.unwrapRunnableto help with RxJava-internal wrappers inSchedulers.retry(times, predicate)toSingle&Completableand verify behavior across them andMaybe.Documentation changes
package-infos + remove unused imports.Observablemarbles 11/28.Observable(12/06).autoConnect()JavaDoc + add its marble.@seetoCompletable.retryWhen()operators.BehaviorProcessorJavaDoc.Bugfixes
TrampolineSchedulernot callingRxJavaPlugins.onSchedule(), add tests for all schedulers.runnable == nullin*Scheduler.schedule*().buffer()calling cancel unnecessarily.Subject/FlowableProcessorNPE fixes, addUnicastProcessorTCK.Other
XOnSubscribeparameter name toemitterfor better IDE auto-completion.v2.1.7Maven
API changes
as()operator on the 6 base classes - similar toto()but dedicated functional interface for each base class instead of justFunction.Documentation changes
Schedulers.single()JavaDoc.flatMapSingleandflatMapMaybe.BaseTestConsumervalues()anderrors()thread-safety clarifications.Schedulers.take()operator about the threadonCompletemay get signaled.ConnectableFlowable,GroupedFlowable,FlowableAutoConnect.Observableall,fromPublisher,zipArray.Bugfixes
Completable.concatto use replace (don't dispose old).ScheduledRunnable.isDisposedbefore emitting inSingleFromCallable.Other
toMap.v2.1.6Maven
API changes
Observable.concatMapCompletable().Flowable.limit()to limit both item count and request amount.Documentation changes
io.reactivexandio.reactivex.observers.subscribeWithdocumentation examples.Observable.just(2..10)andswitchOnNextDelayErrormarbles.Observable.singleElement().Observablemarble fixes.Bugfixes
PublishProcessorcancel/emission overflow bug.parallel()a fusion-async-boundary.Other
Observable.concatMap(Completable).Configuration
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