3.2.0

What’s Changed

• Add handy Collectors for executing jobs on Virtual Threads but with limited parallelism (#879) @pivovarit
• Retry once when provided Executor rejected (#878) @pivovarit
• Replace Dispatcher's internal ExecutorService with an inline virtual thread (#877) @pivovarit

Dependencies

• Bump junit.version from 5.10.3 to 5.11.0 (#900) @dependabot
• Bump org.codehaus.mojo:exec-maven-plugin from 3.4.0 to 3.4.1 (#899) @dependabot
• Bump org.apache.maven.plugins:maven-gpg-plugin from 3.2.4 to 3.2.5 (#898) @dependabot
• Bump org.slf4j:slf4j-simple from 2.0.14 to 2.0.16 (#897) @dependabot
• Bump org.awaitility:awaitility from 4.2.1 to 4.2.2 (#895) @dependabot
• Bump org.codehaus.mojo:exec-maven-plugin from 3.3.0 to 3.4.0 (#894) @dependabot
• Bump org.slf4j:slf4j-simple from 2.0.13 to 2.0.14 (#893) @dependabot
• Bump org.apache.maven.plugins:maven-javadoc-plugin from 3.7.0 to 3.8.0 (#892) @dependabot
• Bump org.apache.maven.plugins:maven-surefire-plugin from 3.3.0 to 3.3.1 (#890) @dependabot
• Bump org.assertj:assertj-core from 3.26.0 to 3.26.3 (#889) @dependabot
• Bump junit.version from 5.10.2 to 5.10.3 (#887) @dependabot
• Bump org.apache.maven.plugins:maven-jar-plugin from 3.4.1 to 3.4.2 (#886) @dependabot
• Bump org.apache.maven.plugins:maven-surefire-plugin from 3.2.5 to 3.3.0 (#885) @dependabot
• Bump org.apache.maven.plugins:maven-javadoc-plugin from 3.6.3 to 3.7.0 (#884) @dependabot
• Bump org.assertj:assertj-core from 3.25.3 to 3.26.0 (#883) @dependabot
• Bump org.codehaus.mojo:exec-maven-plugin from 3.2.0 to 3.3.0 (#882) @dependabot
• Bump org.pitest:pitest-maven from 1.16.0 to 1.16.1 (#880) @dependabot

Contributors

@dependabot, @dependabot[bot] and @pivovarit

Special thanks to all external contributors! 👏

3.1.0

What’s Changed

• Control parallelism on a separate virtual thread (#872) @pivovarit
• Reject invalid Executor's RejectedExecutionHandlers (#873) @pivovarit
• Add ExecutorPollutionTest (#874) @pivovarit
• Add streaming tests for immediate processing start (#871) @pivovarit

Dependencies

• Bump org.apache.maven.plugins:maven-jar-plugin from 3.4.0 to 3.4.1 (#864) @dependabot
• Bump org.apache.maven.plugins:maven-gpg-plugin from 3.2.3 to 3.2.4 (#865) @dependabot
• Bump org.apache.maven.plugins:maven-jar-plugin from 3.3.0 to 3.4.0 (#863) @dependabot
• Bump com.tngtech.archunit:archunit-junit5-api from 1.2.1 to 1.3.0 (#861) @dependabot
• Bump com.tngtech.archunit:archunit-junit5-engine from 1.2.1 to 1.3.0 (#860) @dependabot
• Bump org.apache.maven.plugins:maven-gpg-plugin from 3.2.2 to 3.2.3 (#859) @dependabot
• Bump org.slf4j:slf4j-simple from 2.0.12 to 2.0.13 (#862) @dependabot
• Bump peaceiris/actions-gh-pages from 3.9.3 to 4.0.0 (#857) @dependabot
• Bump org.pitest:pitest-maven from 1.15.8 to 1.16.0 (#858) @dependabot
• Bump org.apache.maven.plugins:maven-source-plugin from 3.3.0 to 3.3.1 (#856) @dependabot
• Bump org.apache.maven.plugins:maven-gpg-plugin from 3.2.1 to 3.2.2 (#855) @dependabot
• Bump actions/cache from 4.0.1 to 4.0.2 (#854) @dependabot
• Bump org.awaitility:awaitility from 4.2.0 to 4.2.1 (#850) @dependabot
• Bump org.apache.maven.plugins:maven-compiler-plugin from 3.12.1 to 3.13.0 (#851) @dependabot
• Bump org.apache.maven.plugins:maven-gpg-plugin from 3.2.0 to 3.2.1 (#852) @dependabot
• Bump org.apache.maven.plugins:maven-gpg-plugin from 3.1.0 to 3.2.0 (#849) @dependabot
• Bump actions/cache from 4.0.0 to 4.0.1 (#848) @dependabot
• Bump org.codehaus.mojo:exec-maven-plugin from 3.1.1 to 3.2.0 (#847) @dependabot
• Bump org.pitest:pitest-maven from 1.15.7 to 1.15.8 (#845) @dependabot
• Bump org.pitest:pitest-maven from 1.15.6 to 1.15.7 (#844) @dependabot
• Bump org.slf4j:slf4j-simple from 2.0.11 to 2.0.12 (#843) @dependabot
• Bump release-drafter/release-drafter from 5.25.0 to 6.0.0 (#840) @dependabot
• Bump org.assertj:assertj-core from 3.25.2 to 3.25.3 (#842) @dependabot
• Bump junit.version from 5.10.1 to 5.10.2 (#841) @dependabot

Contributors

@dependabot, @dependabot[bot] and @pivovarit

Special thanks to all external contributors! 👏

2.6.1

What’s Changed

• Control max parallelism on a dedicated thread (#875) @pivovarit

Contributors

@pivovarit

Special thanks to all external contributors! 👏

3.0.0

What's Changed

• Default to Virtual Threads thread-per-task executor by @pivovarit in #778
• Remove deprecated methods for next major release by @pivovarit in #777
• Limit parallelism at thread-level instead of dispatcher-level by @pivovarit in #784
• Handle interrupted exception at task level by @pivovarit in #785
• Handle interruptions using same strategy as any other Dispatcher exception by @pivovarit in #786
• Replace Collectors#toList with Stream#toList by @pivovarit in #788
• Define module-info.java by @pivovarit in #790
• Dispatcher to use caller thread instead of dedicated scheduler thread by @pivovarit in #789
• Seal CompletionStrategy and reuse instances by @pivovarit in #833

Full Changelog: 2.6.0...3.0.0

2.6.0

What's Changed

• Dispatcher to use caller thread instead of dedicated scheduler thread by @pivovarit in #822
• Increase min parallelism level to 4 by @pivovarit in #582
• Remove redundant javadoc entries by @pivovarit in #581
• Use List<> instead of Stream.Builder<> as accumulators by @pivovarit in #634
• Ensure that Dispatcher can't be started more than one time by @pivovarit in #632
• Remove redundant Dispatcher initialization logic by @pivovarit in #728
• Removed unused property from pom.xml by @armandino in #748

New Contributors

• @armandino made their first contribution in #748

Full Changelog: 2.5.0...2.6.0

2.5.0

What’s Changed

• Improve BatchingSpliterator implementation (#571) @pivovarit

Features & Enhancements

• Avoid batching when collection size is equal to parallelism (#561) @pivovarit

Fixes

• Fix lack of eager consumption for streaming collectors (#578) @pivovarit

Dependencies

• Bump actions/cache from v2 to v2.1.4 (#577) @dependabot
• Bump junit.version from 5.7.0 to 5.7.1 (#576) @dependabot
• Bump archunit-junit5-engine from 0.15.0 to 0.16.0 (#575) @dependabot
• Bump archunit-junit5-api from 0.15.0 to 0.16.0 (#574) @dependabot
• Bump assertj-core from 3.18.1 to 3.19.0 (#573) @dependabot
• Bump pitest-maven from 1.6.1 to 1.6.2 (#568) @dependabot
• Bump release-drafter/release-drafter from v5.12.1 to v5.13.0 (#567) @dependabot
• Bump archunit-junit5-engine from 0.14.1 to 0.15.0 (#564) @dependabot
• Bump archunit-junit5-api from 0.14.1 to 0.15.0 (#565) @dependabot
• Bump jmh.version from 1.26 to 1.27 (#563) @dependabot
• Bump pitest-maven from 1.5.2 to 1.6.1 (#562) @dependabot

2.4.1

What’s Changed

Features & Enhancements

• Add project metadata to MANIFEST.MF (#522) @pivovarit

Fixes

• Remove unwanted JMH artifacts from the release jar (#524) @pivovarit

Dependencies

• Bump assertj-core from 3.18.0 to 3.18.1 (#551) @dependabot
• Bump assertj-core from 3.17.2 to 3.18.0 (#547) @dependabot
• Bump release-drafter/release-drafter from v5.12.0 to v5.12.1 (#528) @dependabot
• Bump release-drafter/release-drafter from v5.11.0 to v5.12.0 (#527) @dependabot
• Bump maven-jar-plugin from 2.4 to 3.2.0 (#525) @dependabot
• Bump jmh.version from 1.25.2 to 1.26 (#520) @dependabot

Contributors

@dependabot, @dependabot[bot] and @pivovarit

Special thanks to all external contributors! 👏

2.4.0

What’s Changed

This release provides improved resource management. ParallelCollectors now create fewer threads and objects.

Features & Enhancements

• Offload the work to a calling thread when using blocking streaming instead of creating a new thread (#515) @pivovarit
• Remove redundant intermediate result CompletableFuture (#490) @pivovarit

2.3.3

What’s Changed

• Interruption needs to be handled through the exception handling mechanism (#480) @pivovarit
• Don't restore interruption flag (#478) @pivovarit
• Wait for a successful dispatch of the Poison Pill (#476) @pivovarit
• Use Stream.builder in AsyncParallelCollector (#475) @pivovarit
• Remove unused import (#474) @pivovarit
• Bump junit.version from 5.6.0 to 5.6.1 (#473) @dependabot-preview
• Replace ArrayList usages (#472) @pivovarit
• Replace ArrayList usages with Stream.Builder (#471) @pivovarit
• Use Stream.builder instead of ArrayList (#470) @pivovarit
• Use Stream.builder instead of ArrayList (#467) @pivovarit
• Deprecate API methods with implicit parallelism resolution (#466) @pivovarit

2.3.2

What’s Changed

• Fix inconsistent behavior when parallel=1 (#462) @pivovarit

Authors

@pivovarit @cykl