Zakaria El OrcheandClaude Opus 5
24bb10175d
Split the way flash-ext-data and flash-ext-view are: cache-core defines
Cache, CacheManager, CacheSpec and CacheStats and talks to nothing;
cache-caffeine implements them in process.
users = require(CacheManager.class).build("users", spec -> spec
.maxSize(10_000).ttl(Duration.ofMinutes(10)));
return users.get(id, repo::findById);
get(key, loader) is the only shape most code needs and the only one that is
hard to get right: the loader runs once per key across concurrent callers
rather than each racing its own. A null result stores nothing, because caching
absence is a decision rather than a default.
build(name, spec) is idempotent per name, so two handlers wanting one cache get
one cache without coordinating who creates it. Disagreeing about the spec
throws rather than resolving to whichever handler initialised first, which is a
bug that only surfaces under load.
recordStats() is opt-in — counting is two atomic increments per lookup, and a
cache nobody measures should not pay for numbers nobody reads. Unmeasured
caches return CacheStats.DISABLED rather than zeroes that look like a cold
cache.
Caffeine rather than a hand-rolled LRU: for genuinely low traffic
ConcurrentHashMap::computeIfAbsent is one line and needs no module at all, and
this exists for when that stops being true. W-TinyLFU admission, striped
counters and amortised eviction are not a weekend's work, and getting them
wrong yields a cache slower than no cache. The adapter is deliberately thin —
every method delegates, adding no wrapper, copy or locking of its own.
Caches are dropped through FlashContext.onClose, so values do not outlive the
app holding them. Invisible with one app per process; immediate under test.
flash-ext-cache-redis is designed but not built, and has docs only — no module,
no pom, no source. An empty module that builds an empty jar is dead weight in
the reactor. The docs record what changes once the cache can fail: get() must
decide whether to fall through to the loader, values need a codec,
invalidateAll needs a key prefix that becomes wire contract, and eviction stats
stop meaning anything. Those are decisions that want a real second replica to
check them against.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
298 lines
12 KiB
XML
298 lines
12 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>dev.relism</groupId>
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<artifactId>flash-parent</artifactId>
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<version>2.1.0-SNAPSHOT</version>
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<packaging>pom</packaging>
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<modules>
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<module>flash</module>
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<module>flash-testing</module>
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<module>flash-extensions</module>
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</modules>
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<distributionManagement>
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<repository>
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<id>Personal</id>
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<url>https://maven.relism.dev/releases</url>
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</repository>
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<snapshotRepository>
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<id>Personal-snapshots</id>
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<url>https://maven.relism.dev/snapshots</url>
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</snapshotRepository>
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</distributionManagement>
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<properties>
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<maven.compiler.source>21</maven.compiler.source>
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<maven.compiler.target>21</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<lombok.version>1.18.44</lombok.version>
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<slf4j.version>2.0.16</slf4j.version>
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<maven.javadoc.plugin.version>3.11.2</maven.javadoc.plugin.version>
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<maven.source.plugin.version>3.3.1</maven.source.plugin.version>
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<maven.gpg.plugin.version>3.2.8</maven.gpg.plugin.version>
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<maven.versions.plugin.version>2.18.0</maven.versions.plugin.version>
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<jmh.version>1.37</jmh.version>
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<junit.version>5.11.0</junit.version>
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<caffeine.version>3.1.8</caffeine.version>
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<build.helper.plugin.version>3.6.0</build.helper.plugin.version>
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</properties>
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<repositories>
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<!--
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maven.relism.dev went down; fpr-core's source (dev.relism/FastPathRouter) now
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publishes to Gitea's own Maven registry instead, via that repo's
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.gitea/workflows/publish-maven.yml (same pattern as this project's own). Public repo
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owned by a public Gitea user, so this resolves anonymously — no credentials needed.
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-->
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<repository>
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<id>gitea-fastpathrouter</id>
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<name>Gitea Maven Registry (Relism/FastPathRouter)</name>
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<url>https://git.pixel-services.com/api/packages/Relism/maven</url>
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</repository>
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</repositories>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-testing</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-ext-cache-core</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-ext-cache-caffeine</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-ext-jackson</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-ext-openapi</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-ext-oidc</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-ext-routeviewer</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-ext-view-core</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-ext-view-jte</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-ext-view-thymeleaf</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-ext-limiter</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-ext-web-bundler</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>flash-ext-mcp</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>dev.relism</groupId>
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<artifactId>fpr-core</artifactId>
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<!-- Gitea can't republish an existing name+version, so FastPathRouter's CI
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stamps a commit-scoped version on every push — see its own
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.gitea/workflows/publish-maven.yml. Bump by hand to pick up newer
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FastPathRouter changes, same precedent as Pathway's flash.version. -->
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<version>1.1.0-36216cd</version>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>${lombok.version}</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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<version>${slf4j.version}</version>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-simple</artifactId>
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<version>${slf4j.version}</version>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter</artifactId>
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<version>${junit.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-api</artifactId>
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<version>${junit.version}</version>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<build>
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<pluginManagement>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>3.2.5</version>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<annotationProcessorPaths>
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<path>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>${lombok.version}</version>
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</path>
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</annotationProcessorPaths>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-source-plugin</artifactId>
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<version>${maven.source.plugin.version}</version>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-javadoc-plugin</artifactId>
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<version>${maven.javadoc.plugin.version}</version>
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<configuration>
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<source>${maven.compiler.source}</source>
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<encoding>${project.build.sourceEncoding}</encoding>
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<doclint>none</doclint>
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<failOnError>true</failOnError>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-gpg-plugin</artifactId>
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<version>${maven.gpg.plugin.version}</version>
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</plugin>
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<plugin>
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>versions-maven-plugin</artifactId>
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<version>${maven.versions.plugin.version}</version>
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<configuration>
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<generateBackupPoms>false</generateBackupPoms>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-deploy-plugin</artifactId>
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<version>3.1.2</version>
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</plugin>
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</plugins>
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</pluginManagement>
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</build>
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<profiles>
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<profile>
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<id>attach-artifacts</id>
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<activation>
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<file>
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<exists>src/main/java</exists>
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</file>
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</activation>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-source-plugin</artifactId>
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<executions>
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<execution>
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<id>attach-sources</id>
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<phase>verify</phase>
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<goals>
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<goal>jar-no-fork</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-javadoc-plugin</artifactId>
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<executions>
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<execution>
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<id>attach-javadocs</id>
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<phase>verify</phase>
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<goals>
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<goal>jar</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</profile>
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<profile>
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<id>sign-artifacts</id>
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<activation>
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<property>
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<name>performRelease</name>
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<value>true</value>
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</property>
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</activation>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-gpg-plugin</artifactId>
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<executions>
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<execution>
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<id>sign-artifacts</id>
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<phase>verify</phase>
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<goals>
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<goal>sign</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</profile>
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</profiles>
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</project>
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