|
| 1 | +Reactive Streams 1.0.2 is here! |
| 2 | +=============================== |
| 3 | + |
| 4 | +We—the Reactive Streams Special Interest Group—are happy to announce the immediate availability of `Reactive Streams version 1.0.2`. |
| 5 | + |
| 6 | +When we released 1.0.1, we promised that after JDK9 had shipped, we'd release a compatibility/conversion library to seamlessly convert between the `java.util.concurrent.Flow` and the `org.reactivestreams` namespaces. |
| 7 | + |
| 8 | +Not only have we done that in this release—we have also shipped a TCK for implementations of the `java.util.concurrent.Flow` interfaces, so that they now can be verified without having to manually adapt/convert to the `org.reactivestreams` interfaces. |
| 9 | + |
| 10 | +As usual, `1.0.2` is binary, and semantically, compatible with the previous 1.0.x releases of Reactive Streams. |
| 11 | + |
| 12 | +The artifacts, documentation and specifications are released under [Creative Commons Zero](http://creativecommons.org/publicdomain/zero/1.0) into the Public Domain. |
| 13 | + |
| 14 | +Documentation |
| 15 | +------------- |
| 16 | + |
| 17 | +* [Specification](https://github.com/reactive-streams/reactive-streams-jvm/tree/v1.0.2#specification) |
| 18 | +* [Java API Documentation](http://www.reactive-streams.org/reactive-streams-1.0.2-javadoc) |
| 19 | + [Flow Adapters Java API Documentation](http://www.reactive-streams.org/reactive-streams-flow-adapters-1.0.2-javadoc) |
| 20 | +* [TCK README](https://github.com/reactive-streams/reactive-streams-jvm/blob/v1.0.2/tck/README.md) |
| 21 | +* [Flow TCK README](https://github.com/reactive-streams/reactive-streams-jvm/blob/v1.0.2/tck-flow/README.md) |
| 22 | + |
| 23 | +Artifacts |
| 24 | +--------- |
| 25 | + |
| 26 | +* *the Reactive Streams interfaces* |
| 27 | + * `org.reactivestreams:reactive-streams:1.0.2` |
| 28 | + |
| 29 | +* *the Reactive Streams interfaces* |
| 30 | + * `org.reactivestreams:reactive-streams-flow-adapters:1.0.2` |
| 31 | + |
| 32 | +* *the Reactive Streams TCK* |
| 33 | + * `org.reactivestreams:reactive-streams-tck:1.0.2` |
| 34 | + |
| 35 | +* *the Reactive Streams Flow TCK* |
| 36 | + * `org.reactivestreams:reactive-streams-tck-flow:1.0.2` |
| 37 | + |
| 38 | +* *Example implementations—documented & verified—to draw inspiration from* |
| 39 | + * `org.reactivestreams:reactive-streams-examples:1.0.2` |
| 40 | + |
| 41 | +Credits |
| 42 | +------- |
| 43 | + |
| 44 | +We'd like to thank everyone involved, all contributors and everyone who has given feedback during the development of this project. |
| 45 | + |
| 46 | +## Highlights: |
| 47 | + |
| 48 | +- Specification |
| 49 | + + Glossary term added for `Thread-safe` |
| 50 | + + No breaking/semantical changes |
| 51 | + + Rule [clarifications](#specification-clarifications-102-rc1) |
| 52 | +- Interfaces |
| 53 | + + No changes |
| 54 | +- Technology Compatibility Kit (TCK) |
| 55 | + + Improved [coverage](#tck-alterations-102-rc1) |
| 56 | + * Supports Publishers/Processors which do [coordinated emission](http://www.reactive-streams.org/reactive-streams-tck-1.0.2-javadoc/org/reactivestreams/tck/PublisherVerification.html#doesCoordinatedEmission--). |
| 57 | + + Improved JavaDoc |
| 58 | +- Examples |
| 59 | + + New example [RangePublisher](http://www.reactive-streams.org/reactive-streams-examples-1.0.2-javadoc/org/reactivestreams/example/unicast/RangePublisher.html) |
| 60 | +- Artifacts |
| 61 | + + NEW! [Flow adapters](#flow-adapters) |
| 62 | + + NEW! [Flow TCK](#flow-tck) |
| 63 | + + Java 9 [Automatic-Module-Name](#automatic-module-name) added for all artifacts |
| 64 | + |
| 65 | +## Specification clarifications 1.0.2 |
| 66 | + |
| 67 | +## Subscriber Rule 2 |
| 68 | + |
| 69 | +**1.0.1:** The intent of this rule is that a Subscriber should not obstruct the progress of the Publisher from an execution point-of-view. In other words, the Subscriber should not starve the Publisher from CPU cycles. |
| 70 | + |
| 71 | +**1.0.2:** The intent of this rule is that a Subscriber should not obstruct the progress of the Publisher from an execution point-of-view. In other words, the Subscriber should not starve the Publisher from receiving CPU cycles. |
| 72 | + |
| 73 | +## Subscriber Rule 8 |
| 74 | + |
| 75 | +**1.0.1:** The intent of this rule is to highlight that there may be a delay between calling `cancel` the Publisher seeing that. |
| 76 | + |
| 77 | +**1.0.2** The intent of this rule is to highlight that there may be a delay between calling `cancel` and the Publisher observing that cancellation. |
| 78 | + |
| 79 | +## Flow adapters |
| 80 | + |
| 81 | +An adapter library has been created to convert `org.reactivestreams` to `java.util.concurrent.Flow` and vice versa. Read more about it [here](http://www.reactive-streams.org/reactive-streams-flow-adapters-1.0.2-javadoc) |
| 82 | + |
| 83 | +~~~xml |
| 84 | +<dependency> |
| 85 | + <groupId>org.reactivestreams</groupId> |
| 86 | + <artifactId>reactive-streams-flow-adapters</artifactId> |
| 87 | + <version>1.0.2</version> |
| 88 | +</dependency> |
| 89 | +~~~ |
| 90 | + |
| 91 | +## Flow TCK |
| 92 | + |
| 93 | +A TCK artifact has been created to allow for direct TCK verification of `java.util.concurrent.Flow` implementations. Read more about it [here](https://github.com/reactive-streams/reactive-streams-jvm/blob/v1.0.2/tck-flow/README.md) |
| 94 | + |
| 95 | +~~~xml |
| 96 | +<dependency> |
| 97 | + <groupId>org.reactivestreams</groupId> |
| 98 | + <artifactId>reactive-streams-tck-flow</artifactId> |
| 99 | + <version>1.0.2</version> |
| 100 | +</dependency> |
| 101 | +~~~ |
| 102 | + |
| 103 | +## Automatic Module Name |
| 104 | + |
| 105 | + * `org.reactivestreams:reactive-streams` => `org.reactivestreams` |
| 106 | + * `org.reactivestreams:reactive-streams-examples` => `org.reactivestreams.examples` |
| 107 | + * `org.reactivestreams:reactive-streams-tck` => `org.reactivestreams.tck` |
| 108 | + * `org.reactivestreams:reactive-streams-flow-adapters` => `org.reactivestreams.flowadapters` |
| 109 | + * `org.reactivestreams:reactive-streams-tck-flow` => `org.reactivestreams.tckflow` |
| 110 | + |
| 111 | +## TCK alterations 1.0.2 |
| 112 | + |
| 113 | +- Added support for Publisher verification of Publishers who do coordinated emission, i.e. where elements only are emitted after all current Subscribers have signalled demand. ([#284](https://github.com/reactive-streams/reactive-streams-jvm/issues/284)) |
| 114 | +- The `SubscriberWhiteboxVerification` has been given more user friendly error messages in the case where the user forgets to call `registerOnSubscribe`. (#416)[https://github.com/reactive-streams/reactive-streams-jvm/pull/416] |
| 115 | + |
| 116 | +## Contributors |
| 117 | + + Roland Kuhn [(@rkuhn)](https://github.com/rkuhn) |
| 118 | + + Ben Christensen [(@benjchristensen)](https://github.com/benjchristensen) |
| 119 | + + Viktor Klang [(@viktorklang)](https://github.com/viktorklang) |
| 120 | + + Stephane Maldini [(@smaldini)](https://github.com/smaldini) |
| 121 | + + Stanislav Savulchik [(@savulchik)](https://github.com/savulchik) |
| 122 | + + Konrad Malawski [(@ktoso)](https://github.com/ktoso) |
| 123 | + + Slim Ouertani [(@ouertani)](https://github.com/ouertani) |
| 124 | + + Martynas Mickevičius [(@2m)](https://github.com/2m) |
| 125 | + + Luke Daley [(@ldaley)](https://github.com/ldaley) |
| 126 | + + Colin Godsey [(@colinrgodsey)](https://github.com/colinrgodsey) |
| 127 | + + David Moten [(@davidmoten)](https://github.com/davidmoten) |
| 128 | + + Brian Topping [(@briantopping)](https://github.com/briantopping) |
| 129 | + + Rossen Stoyanchev [(@rstoyanchev)](https://github.com/rstoyanchev) |
| 130 | + + Björn Hamels [(@BjornHamels)](https://github.com/BjornHamels) |
| 131 | + + Jake Wharton [(@JakeWharton)](https://github.com/JakeWharton) |
| 132 | + + Anthony Vanelverdinghe[(@anthonyvdotbe)](https://github.com/anthonyvdotbe) |
| 133 | + + Kazuhiro Sera [(@seratch)](https://github.com/seratch) |
| 134 | + + Dávid Karnok [(@akarnokd)](https://github.com/akarnokd) |
| 135 | + + Evgeniy Getman [(@egetman)](https://github.com/egetman) |
| 136 | + + Ángel Sanz [(@angelsanz)](https://github.com/angelsanz) |
| 137 | + + (new) shenghaiyang [(@shenghaiyang)](https://github.com/shenghaiyang) |
| 138 | + + (new) Kyle Thomson [(@kiiadi)](https://github.com/kiiadi) |
| 139 | + |
| 140 | +*Warm regards, |
| 141 | +the Reactive Streams Special Interest Group* |
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