8330815: Use pattern matching for instanceof in KeepAliveCache

[RealCLanger]

Hi all,

This pull request contains a backport of JDK-8330815, commit 0ec3c0b1 from the openjdk/jdk22u repository.

The commit being backported was authored by Christoph Langer on 7 May 2024 and had no reviewers.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8330815 needs maintainer approval

Issue

• JDK-8330815: Use pattern matching for instanceof in KeepAliveCache (Bug - P4 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/559/head:pull/559
$ git checkout pull/559

Update a local copy of the PR:
$ git checkout pull/559
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/559/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 559

View PR using the GUI difftool:
$ git pr show -t 559

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/559.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back clanger! 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.

[openjdk]

@RealCLanger 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:

8330815: Use pattern matching for instanceof in KeepAliveCache

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 no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential 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]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

⚠️ @RealCLanger This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

Webrevs

• 00: Full (79fa6854)

[RealCLanger]

/integrate

[openjdk]

Going to push as commit ddecbe5.

[openjdk]

@RealCLanger Pushed as commit ddecbe5.

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