Dependency update: rxjava #14
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RxJava
2.1.4
Maven
API changes
BaseTestConsumer.assertValuesOnly.Maybe.switchIfEmpty(Single).LambdaConsumerIntrospectionfor detecting the lack ofonErrorcallback insubscribe()calls.Documentation changes
NullPointerExceptioncomment to someSingleoperators.Singlein someObservableoperators.Bugfixes
Observable.combineLatestDelayErrorsync initial error not emitting.BaseTestConsumer.assertValueSequencereversed error message.Observable.concatMapEagerqueueing of source items.Other
Single.timeoutunnecessary dispose calls.2.1.3
Maven
Dependency updates
The Reactive-Streams dependency has been updated to version 1.0.1. This new version contains documentation changes and TCK (Test Compatibility Kit) fixes that doesn't affect RxJava's frontend. Other libraries that were using version 1.0.0 should have no issue running with 1.0.1.
JDK 9 compatibility
RxJava 2 from now on is compatible with JDK 9, verified in a separate project whenever a new (non-trivial) update of the JDK or RxJava happens.
Compatibility means the RxJava 2 source code compiles with JDK 9 (targets 6, 8 and 9) and the unit tests pass.
API changes
assertValueAt(int, value)toTestObserver/TestConsumer.Documentation changes
Observablemarbles (07/30) via Issue 5319 comments.Schedulers.Bugfixes
nullcheck to fusedObservable.fromCallable.Other
2.1.2
Maven
Documentation changes
Observableclass' javadoc.AsyncandPublishprocessors javadoc.combineLatestoperators accepting unspecified number of sources.subscribeOn.FlowableandObservablereduce.F.reduce(seed, reducer),F.reduceWith(seedSupplier, reducer)andO.reduce(seed, reducer).Maybe.defaultIfEmptyregardingtoSingle.Bugfixes
ReplaySubject.getValue()inconsistency withgetValues()on old items.concatto reportisDisposedconsistently with termination.FlowableWithLatestFromnot requesting more when the other hasn't emitted yet.ReplayProcessorbackpressure andNotificationLiteemission bug.SpscLinkedArrayQueue.Single.delaySubscriptionmethods.Other
@ NonNullannotation inConsumermethod parameter.@ NonNullannotation fromFunction.FlowableTimeoutTimedinstead of anAtomicReference.Schedulers.io()javadoc{linkmissing the@symbol.withLatestFromconditional subscriber, test cold consumption.2.1.1
Maven
Notable changes
The emitter API (such as
FlowableEmitter,SingleEmitter, etc.) now features a new method,tryOnErrorthat tries to emit theThrowableif the sequence is not cancelled/disposed. Unlike the regularonError, if the downstream is no longer willing to accept events, the method returns false and doesn't signal anUndeliverableException.API enhancements
tryOnErrortocreate/XEmitterAPI.subscribeOnoverload to avoid same-pool deadlock with create.Documentation changes
Maybe.toSingle.FunctionXObservableAction1withConsumerin docs.SingleFlatMapIterableObservable.Single.doAfterTeminatementioningdoAfterSuccess.DefaultObserverjavadoc fix: use subscribe, remove disposable code.DefaultSubscriberjavadoc sample fix.Observable.reduce()andObservable.reduceWith().Single.delaydocumentation.Bugfixes
interval+trampolinecan be stopped.SingleMapnot allow map function return null.doOnNextfailure not triggeringdoOnErrorwhen fused.buffer(time, maxSize)duplicating buffers on time-size race.Other
VolatileSizeArrayListasRandomAccesslistBaseTestConsumer.assertValueSequence.rx2.buffer-sizeto 1.2.1.0
Maven
Summary
Version 2.1.0 is the next minor release of the 2.x era and contains the standardization of many experimental API additions from the past half a year since version 2.0.0. 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
CheckReturnValueCompletableSubject,MaybeSubject,SingleSubjectTestWaitStrategyOperators
Flowable:doAfterNext,doFinally,sample(emitLast)Observable:doAfterNext,doFinally,sample(emitLast)Single:doAfterSuccess,doAfterTerminate,doFinallyMaybe:doAfterSuccess,doFinally,flatMapSingleElementCompletable:cache,doFinally,hideTest{Observer, Subscriber}:assertNever,assertTimeout,assertNoTimeout,awaitCount,clearTimeout,isTimeout,withTagRxJavaPlugins:createComputationScheduler,createIoScheduler,createNewThreadScheduler,createSingleScheduler,getOnBeforeBlocking,setOnBeforeBlocking,isFailOnBlockingScheduler,setFailOnBlockingScheduler.Scheduler.when,TestSubscriber.requestMore(For the complete list and details on the promotions, see issue 5243.)
Release 2.1.0 is functionally identical to 2.0.9 except the removal of now unnecessary
Flowable.strict()operator. To clarify, just like with previous minor version increments with RxJava, there won't be any further development or updates on the version 2.0.x (patch) level.Beta promotions
Some of the enhancements of RxJava 2.0.x were added recently which often represent complex additions to RxJava itself (such as the whole
ParallelFlowable). We are confident their functionality adds value to the library but not enough time elapsed since their introduction for the community to try it out and provide feedback on them (i.e., naming, encompassed functionality, etc.). To indicate we are willing to support them and eventually standardize them in the next minor release, the following components have been promoted to the status ofBeta:OnErrorNotImplementedException,ProtocolViolationException,UndeliverableException,ParallelFlowableFlowableSubscriberFlowable:parallel,subscribe(FlowableSubscriber)RxJavaPlugins:getOnParallelAssembly,onAssembly(ParallelFlowable),setOnParallelAssemblyNon-functional changes between 2.0.9 and 2.1
ObservableSource.defertoObservable.deferinObservable.scan()documentation.Flowable.toObservablereferring toPublisherinstead ofObservable.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):
@ vanniktech, @ veyndan, @ mauin, @ smartbeng, @ ImangazalievM, @ bloderxd, @ mibac138, @ ggikko, @ mostroverkhov, @ sadegh, @ nmorioka, @ SleimanJneidi, @ davidmoten, @ hkurokawa, @ jbarr21, @ alexandre-dubois, @ VeskoI, @ Stephan202, @ PaulWoitaschek, @ soulkeykim, @ stevepeak, @ jschneider, @ JakeWharton, @ tonycosentini, @ hzsweers, @ passsy, @ sergiomarquesmoura, @ ikesyo, @ benjchristensen, @ zsavely, @ DDesideria, @ gaemi, @ Jawnnypoo, @ artem-zinnatullin, @ mkobit, @ abersnaze, @ tbcs, @ gengjiawen, @ qwert2603, @ DmitriyZaitsev
(40 contributors)
The project would also thank its tireless reviewers, @ JakeWharton and @ vanniktech for all their efforts on verifying and providing feedback on the many PRs from the project lead himself. 👍