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8289706: (cs) Avoid redundant TreeMap.containsKey call in AbstractCharsetProvider #8483

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turbanoff
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@turbanoff turbanoff commented Apr 30, 2022

The method sun.nio.cs.ext.AbstractCharsetProvider#put is effectively equivalent of Map.putIfAbsent call.

private static <K,V> void put(Map<K,V> m, K name, V value) {
if (!m.containsKey(name))
m.put(name, value);
}

Instead of hand-written method we can use putIfAbsent directly.
I makes code cleaner and gives a bit of performance.


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  • JDK-8289706: (cs) Avoid redundant TreeMap.containsKey call in AbstractCharsetProvider

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bridgekeeper bot commented Apr 30, 2022

👋 Welcome back aturbanov! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

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openjdk bot commented Apr 30, 2022

@turbanoff The following label will be automatically applied to this pull request:

  • i18n

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing list. If you would like to change these labels, use the /label pull request command.

@openjdk openjdk bot added the i18n i18n-dev@openjdk.org label Apr 30, 2022
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@turbanoff This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply add a new comment to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

@turbanoff turbanoff changed the title [PATCH] Avoid redundant TreeMap.containsKey call in AbstractCharsetProvider 8289706: (cs) Avoid redundant TreeMap.containsKey call in AbstractCharsetProvider Jul 4, 2022
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openjdk bot commented Jul 4, 2022

@turbanoff This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8289706: (cs) Avoid redundant TreeMap.containsKey call in AbstractCharsetProvider

Reviewed-by: attila, naoto

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 917 new commits pushed to the master branch:

  • 77c3bbf: 8289617: Remove test/jdk/java/net/ServerSocket/ThreadStop.java
  • a5934cd: 8289698: AArch64: Need to relativize extended_sp in frame
  • fd1bb07: 8287603: Avoid redundant HashMap.containsKey calls in NimbusDefaults.getDerivedColor
  • 4c997ba: 8289520: G1: Remove duplicate checks in G1BarrierSetC1::post_barrier
  • 1b997db: 8289427: compiler/compilercontrol/jcmd/ClearDirectivesFileStackTest.java failed with null setting
  • 688712f: 8289633: Forbid raw C-heap allocation functions in hotspot and fix findings
  • df063f7: 8289484: Cleanup unnecessary null comparison before instanceof check in java.rmi
  • 9ccae70: 8287593: ShortResponseBody could be made more resilient to rogue connections
  • bad9ffe: 8288947: G1: Consolidate per-region is-humongous query in G1CollectedHeap
  • b5d9656: 8288971: AArch64: Clean up stack and register handling in interpreter
  • ... and 907 more: https://git.openjdk.org/jdk/compare/d9541c5e9f68f2b76e6e1d09bc24750b7c9a5b5b...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

@openjdk openjdk bot added ready Pull request is ready to be integrated rfr Pull request is ready for review labels Jul 4, 2022
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mlbridge bot commented Jul 4, 2022

Webrevs

@turbanoff
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Thank your reviewers!
/integrate

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openjdk bot commented Jul 6, 2022

Going to push as commit f783244.
Since your change was applied there have been 921 commits pushed to the master branch:

  • fafe8b3: 8289604: compiler/vectorapi/VectorLogicalOpIdentityTest.java failed on x86 AVX1 system
  • 3515604: 8280481: Duplicated stubs to interpreter for static calls
  • d48694d: 8283335: Add exists and readAttributesIfExists methods to FileSystemProvider
  • c45d613: 8289687: [JVMCI] bug in HotSpotResolvedJavaMethodImpl.equals
  • 77c3bbf: 8289617: Remove test/jdk/java/net/ServerSocket/ThreadStop.java
  • a5934cd: 8289698: AArch64: Need to relativize extended_sp in frame
  • fd1bb07: 8287603: Avoid redundant HashMap.containsKey calls in NimbusDefaults.getDerivedColor
  • 4c997ba: 8289520: G1: Remove duplicate checks in G1BarrierSetC1::post_barrier
  • 1b997db: 8289427: compiler/compilercontrol/jcmd/ClearDirectivesFileStackTest.java failed with null setting
  • 688712f: 8289633: Forbid raw C-heap allocation functions in hotspot and fix findings
  • ... and 911 more: https://git.openjdk.org/jdk/compare/d9541c5e9f68f2b76e6e1d09bc24750b7c9a5b5b...master

Your commit was automatically rebased without conflicts.

@openjdk openjdk bot added the integrated Pull request has been integrated label Jul 6, 2022
@openjdk openjdk bot closed this Jul 6, 2022
@openjdk openjdk bot removed ready Pull request is ready to be integrated rfr Pull request is ready for review labels Jul 6, 2022
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openjdk bot commented Jul 6, 2022

@turbanoff Pushed as commit f783244.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.

@turbanoff turbanoff deleted the redundant_Map.containsKey_in_AbstractCharsetProvider branch October 27, 2022 18:47
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