HDDS-6213. Pluggable OzoneManager request handling hooks

dev-support/annotations/pom.xml

@@ -0,0 +1,114 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License. See accompanying LICENSE file.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
+https://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.apache.ozone</groupId>
+  <artifactId>ozone-annotation-processing</artifactId>
+  <version>1.3.0-SNAPSHOT</version>
+  <description>Apache Ozone annotation processing tools for validating custom
+    annotations at compile time.
+  </description>
+  <name>Apache Ozone Annotation Processing</name>
+  <packaging>jar</packaging>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+    <spotbugs.version>3.1.12</spotbugs.version>
+    <maven-checkstyle-plugin.version>3.1.0</maven-checkstyle-plugin.version>
+    <checkstyle.version>8.29</checkstyle.version>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>com.github.spotbugs</groupId>
+      <artifactId>spotbugs</artifactId>
+      <version>${spotbugs.version}</version>
+      <scope>provided</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <!--
+       | As this pom is not a child of the main ozone pom.xml, if we want
+       | findbugs and checkstyle to be running for the module, the plugins
+       | have to be defined here.
+      -->
+      <plugin>
+        <groupId>com.github.spotbugs</groupId>
+        <artifactId>spotbugs-maven-plugin</artifactId>
+        <version>${spotbugs.version}</version>
+        <configuration>
+          <maxHeap>1024</maxHeap>
+          <xmlOutput>true</xmlOutput>
+          <includeTests>true</includeTests>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-checkstyle-plugin</artifactId>
+        <version>${maven-checkstyle-plugin.version}</version>
+        <dependencies>
+          <dependency>
+            <groupId>com.puppycrawl.tools</groupId>
+            <artifactId>checkstyle</artifactId>
+            <version>${checkstyle.version}</version>
+          </dependency>
+        </dependencies>
+        <configuration>
+          <configLocation>../../hadoop-hdds/dev-support/checkstyle/checkstyle.xml</configLocation>
+          <suppressionsLocation>../../hadoop-hdds/dev-support/checkstyle/suppressions.xml</suppressionsLocation>
+          <includeTestSourceDirectory>true</includeTestSourceDirectory>
+          <failOnViolation>false</failOnViolation>
+          <outputFile>${project.build.directory}/test/checkstyle-errors.xml</outputFile>
+        </configuration>
+      </plugin>
+      <!--
+       | Compiler plugin configuration have to be modified to compile the
+       | annotation processor, without having any annotation processor applied
+       | as due to the presence of
+       | META-INF/services/javac.annotation.processing.Processor the compilation
+       | would fail as the linked processor class can not be find while we are
+       | compiling it, hence the compiler argument -proc:none is specified here.
+      -->
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.9.0</version>
+        <configuration>
+          <source>1.8</source>
+          <target>1.8</target>
+        </configuration>
+        <executions>
+          <execution>
+            <id>default-compile</id>
+            <configuration>
+              <compilerArgument>-proc:none</compilerArgument>
+              <includes>
+                <include>org/apache/ozone/annotations/**</include>
+              </includes>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>