add jmh performance test #40

	# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-maven

	name: PMD

	on:
	pull_request:
	paths:
	- '.github/workflows/pmd.yml'
	- 'pom.xml'
	- 'pmd-ruleset.xml'
	- 'src/main/java/**'

	permissions:
	contents: read

	jobs:
	PMD:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
	- name: Set up JDK
	uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73 # v4.4.0
	with:
	java-version: 21
	distribution: 'temurin'
	cache: maven
	- uses: reviewdog/action-setup@3f401fe1d58fe77e10d665ab713057375e39b887 # v0.20.1
	name: Set up reviewdog
	with:
	reviewdog_version: latest
	- name: Run PMD
	run: mvn --batch-mode --errors --fail-at-end --show-version -Dgpg.skip -Djava.awt.headless=true -Dformat=net.sourceforge.pmd.renderers.SarifRenderer pmd:pmd
	- name: Upload check results
	env:
	WORKDIR: ./
	REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	[ -s target/pmd.sarif.json ] && cat target/pmd.sarif.json \| reviewdog -f=sarif -name="PMD" -reporter=github-pr-check -filter-mode=added -fail-on-error=false

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