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The following commit(s) were added to refs/heads/master by this push:
new b468384 HBASE-30179: Define spark4 module and redefine common modules
(#155)
b468384 is described below
commit b4683845398aad83047c2cbddc2e046c7d13debf
Author: Wellington Ramos Chevreuil <[email protected]>
AuthorDate: Thu Jun 11 10:53:24 2026 +0100
HBASE-30179: Define spark4 module and redefine common modules (#155)
Co-authored-by: Copilot Autofix powered by AI
<[email protected]>
Co-authored-by: Cursor Composer 2.5 <[email protected]>
Signed-off-by: Peter Somogyi <[email protected]>
---
.../src/main/assembly/hbase-connectors-bin.xml | 6 +
pom.xml | 13 ++
spark/hbase-spark-pushdown/pom.xml | 221 +++++++++++++++++++++
spark/hbase-spark/pom.xml | 4 +
spark/pom.xml | 6 +
spark4/hbase-spark-pushdown/pom.xml | 218 ++++++++++++++++++++
spark4/hbase-spark4/pom.xml | 209 +++++++++++++++++++
.../hadoop/hbase/spark/Spark4Placeholder.scala | 28 +++
spark4/pom.xml | 84 ++++++++
9 files changed, 789 insertions(+)
diff --git
a/hbase-connectors-assembly/src/main/assembly/hbase-connectors-bin.xml
b/hbase-connectors-assembly/src/main/assembly/hbase-connectors-bin.xml
index 1a3caf4..f75ab36 100755
--- a/hbase-connectors-assembly/src/main/assembly/hbase-connectors-bin.xml
+++ b/hbase-connectors-assembly/src/main/assembly/hbase-connectors-bin.xml
@@ -34,6 +34,12 @@
<useAllReactorProjects>true</useAllReactorProjects>
<excludes>
<exclude>org.apache.hbase.connectors.spark:hbase-spark-it</exclude>
+ <!-- Not yet packaged when assembly runs (reactor lists spark4 after
this module).
+ Exclude until dist layout includes Spark 4; -->
+ <exclude>org.apache.hbase.connectors.spark:hbase-spark4</exclude>
+ <!-- Keep the Scala binary suffix in sync with scala.binary.version in
spark4/pom.xml;
+ hbase-spark-pushdown artifactId is version-suffixed. -->
+
<exclude>org.apache.hbase.connectors.spark:hbase-spark-pushdown_${scala.binary.version}</exclude>
</excludes>
<binaries>
<unpack>false</unpack>
diff --git a/pom.xml b/pom.xml
index 3608b2f..5257ab6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1009,6 +1009,19 @@
${jacocoArgLine}</argLine>
</properties>
</profile>
+ <profile>
+ <!-- Apache Spark 4.x connector line (JDK 17+). Not included in default
CI; activates spark4 reactor. -->
+ <id>spark4</id>
+ <activation>
+ <activeByDefault>false</activeByDefault>
+ </activation>
+ <modules combine.children="override">
+ <module>kafka</module>
+ <module>spark</module>
+ <module>spark4</module>
+ <module>hbase-connectors-assembly</module>
+ </modules>
+ </profile>
<profile>
<!-- Use Mac x64 version of protoc for Apple Silicon (aarch64) Macs -->
<id>osx-aarch64</id>
diff --git a/spark/hbase-spark-pushdown/pom.xml
b/spark/hbase-spark-pushdown/pom.xml
new file mode 100644
index 0000000..bd3dba4
--- /dev/null
+++ b/spark/hbase-spark-pushdown/pom.xml
@@ -0,0 +1,221 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.hbase.connectors</groupId>
+ <artifactId>spark</artifactId>
+ <version>${revision}</version>
+ <relativePath>../pom.xml</relativePath>
+ </parent>
+
+ <groupId>org.apache.hbase.connectors.spark</groupId>
+ <artifactId>hbase-spark-pushdown_${scala.binary.version}</artifactId>
+ <name>Apache HBase - Spark Connector SQL Pushdown (shared)</name>
+ <description>Spark-version-neutral SQL pushdown for HBase:
SparkSQLPushDownFilter, dynamic logic AST, BytesEncoder façade.
+ Built once per Scala line (Spark 3 / Spark 4 reactors share
sources).</description>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-api</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hbase.thirdparty</groupId>
+ <artifactId>hbase-shaded-miscellaneous</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.scala-lang</groupId>
+ <artifactId>scala-library</artifactId>
+ <version>${scala.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.spark</groupId>
+ <artifactId>spark-core_${scala.binary.version}</artifactId>
+ <version>${spark.version}</version>
+ <scope>provided</scope>
+ <exclusions>
+ <exclusion>
+ <groupId>org.scala-lang</groupId>
+ <artifactId>scala-library</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.scala-lang</groupId>
+ <artifactId>scalap</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>com.google.code.findbugs</groupId>
+ <artifactId>jsr305</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.xerial.snappy</groupId>
+ <artifactId>snappy-java</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>xerces</groupId>
+ <artifactId>xercesImpl</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-client-api</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-client-runtime</artifactId>
+ </exclusion>
+ </exclusions>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.spark</groupId>
+ <artifactId>spark-sql_${scala.binary.version}</artifactId>
+ <version>${spark.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hbase</groupId>
+ <artifactId>hbase-client</artifactId>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hbase</groupId>
+ <artifactId>hbase-common</artifactId>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hbase.connectors.spark</groupId>
+ <artifactId>hbase-spark-protocol-shaded</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.yetus</groupId>
+ <artifactId>audience-annotations</artifactId>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ </plugin>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>build-helper-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>add-java-source-dir</id>
+ <goals>
+ <goal>add-source</goal>
+ </goals>
+ <phase>generate-sources</phase>
+ <configuration>
+ <sources>
+ <source>src/main/java</source>
+ </sources>
+ </configuration>
+ </execution>
+ <execution>
+ <id>add-scala-source-dir</id>
+ <goals>
+ <goal>add-source</goal>
+ </goals>
+ <phase>validate</phase>
+ <configuration>
+ <sources>
+ <source>src/main/scala</source>
+ </sources>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-enforcer-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>banned-scala</id>
+ <goals>
+ <goal>enforce</goal>
+ </goals>
+ <configuration>
+ <skip>true</skip>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-checkstyle-plugin</artifactId>
+ </plugin>
+ <plugin>
+ <groupId>net.revelc.code</groupId>
+ <artifactId>warbucks-maven-plugin</artifactId>
+ <version>1.1.0</version>
+ <configuration>
+ <ignoreRuleFailures>true</ignoreRuleFailures>
+ <rules>
+ <rule>
+
<classPattern>(?!.*(.generated.|.tmpl.|\$|PushdownMappedField|SparkSQLPushDownFilter|org.apache.hadoop.hbase.spark.hbase.package)).*</classPattern>
+ <includeTestClasses>false</includeTestClasses>
+ <includePublicClasses>true</includePublicClasses>
+
<includePackagePrivateClasses>false</includePackagePrivateClasses>
+ <includeProtectedClasses>false</includeProtectedClasses>
+ <includePrivateClasses>false</includePrivateClasses>
+
<classAnnotationPattern>org[.]apache[.]yetus[.]audience[.]InterfaceAudience.*</classAnnotationPattern>
+ </rule>
+ </rules>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>net.alchim31.maven</groupId>
+ <artifactId>scala-maven-plugin</artifactId>
+ <version>4.3.0</version>
+ <configuration>
+ <charset>${project.build.sourceEncoding}</charset>
+ <scalaVersion>${scala.version}</scalaVersion>
+ <args>
+ <arg>-feature</arg>
+ <arg>${target.jvm}</arg>
+ </args>
+ <source>${compileSource}</source>
+ <target>${compileSource}</target>
+ </configuration>
+ <executions>
+ <execution>
+ <id>scala-compile-first</id>
+ <goals>
+ <goal>compile</goal>
+ </goals>
+ <phase>process-resources</phase>
+ </execution>
+ <execution>
+ <id>scala-test-compile</id>
+ <goals>
+ <goal>testCompile</goal>
+ </goals>
+ <phase>process-test-resources</phase>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+</project>
diff --git a/spark/hbase-spark/pom.xml b/spark/hbase-spark/pom.xml
index d9facf3..be68bc0 100644
--- a/spark/hbase-spark/pom.xml
+++ b/spark/hbase-spark/pom.xml
@@ -140,6 +140,10 @@
<groupId>org.apache.hbase.connectors.spark</groupId>
<artifactId>hbase-spark-protocol-shaded</artifactId>
</dependency>
+ <dependency>
+ <groupId>org.apache.hbase.connectors.spark</groupId>
+ <artifactId>hbase-spark-pushdown_${scala.binary.version}</artifactId>
+ </dependency>
<dependency>
<groupId>org.apache.yetus</groupId>
<artifactId>audience-annotations</artifactId>
diff --git a/spark/pom.xml b/spark/pom.xml
index 68618a8..9bc063e 100644
--- a/spark/pom.xml
+++ b/spark/pom.xml
@@ -37,6 +37,7 @@
<modules>
<module>hbase-spark-protocol</module>
<module>hbase-spark-protocol-shaded</module>
+ <module>hbase-spark-pushdown</module>
<module>hbase-spark</module>
<module>hbase-spark-it</module>
</modules>
@@ -69,6 +70,11 @@
<artifactId>hbase-spark-protocol-shaded</artifactId>
<version>${revision}</version>
</dependency>
+ <dependency>
+ <groupId>org.apache.hbase.connectors.spark</groupId>
+ <artifactId>hbase-spark-pushdown_${scala.binary.version}</artifactId>
+ <version>${revision}</version>
+ </dependency>
<dependency>
<groupId>org.apache.hbase.thirdparty</groupId>
<artifactId>hbase-shaded-miscellaneous</artifactId>
diff --git a/spark4/hbase-spark-pushdown/pom.xml
b/spark4/hbase-spark-pushdown/pom.xml
new file mode 100644
index 0000000..5dd98b0
--- /dev/null
+++ b/spark4/hbase-spark-pushdown/pom.xml
@@ -0,0 +1,218 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under this License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.hbase.connectors</groupId>
+ <artifactId>spark4</artifactId>
+ <version>${revision}</version>
+ <relativePath>../pom.xml</relativePath>
+ </parent>
+
+ <groupId>org.apache.hbase.connectors.spark</groupId>
+ <artifactId>hbase-spark-pushdown_${scala.binary.version}</artifactId>
+ <name>Apache HBase - Spark Connector SQL Pushdown (shared for Spark
4)</name>
+ <description>
+ Builds the same pushdown sources as spark/hbase-spark-pushdown against
Spark 4 / Scala 2.13 (see module sources).
+ </description>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-api</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hbase.thirdparty</groupId>
+ <artifactId>hbase-shaded-miscellaneous</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.scala-lang</groupId>
+ <artifactId>scala-library</artifactId>
+ <version>${scala.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.spark</groupId>
+ <artifactId>spark-core_${scala.binary.version}</artifactId>
+ <version>${spark4.version}</version>
+ <scope>provided</scope>
+ <exclusions>
+ <exclusion>
+ <groupId>org.scala-lang</groupId>
+ <artifactId>scala-library</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.scala-lang</groupId>
+ <artifactId>scalap</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>com.google.code.findbugs</groupId>
+ <artifactId>jsr305</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.xerial.snappy</groupId>
+ <artifactId>snappy-java</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>xerces</groupId>
+ <artifactId>xercesImpl</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-client-api</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-client-runtime</artifactId>
+ </exclusion>
+ </exclusions>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.spark</groupId>
+ <artifactId>spark-sql_${scala.binary.version}</artifactId>
+ <version>${spark4.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hbase</groupId>
+ <artifactId>hbase-client</artifactId>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hbase</groupId>
+ <artifactId>hbase-common</artifactId>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hbase.connectors.spark</groupId>
+ <artifactId>hbase-spark-protocol-shaded</artifactId>
+ <version>${revision}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.yetus</groupId>
+ <artifactId>audience-annotations</artifactId>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ </plugin>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>build-helper-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>add-shared-pushdown-sources-java</id>
+ <phase>validate</phase>
+ <goals>
+ <goal>add-source</goal>
+ </goals>
+ <configuration>
+ <sources>
+
<source>${project.basedir}/../../spark/hbase-spark-pushdown/src/main/java</source>
+
<source>${project.basedir}/../../spark/hbase-spark-pushdown/src/main/scala</source>
+ </sources>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-enforcer-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>banned-scala</id>
+ <goals>
+ <goal>enforce</goal>
+ </goals>
+ <configuration>
+ <skip>true</skip>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-checkstyle-plugin</artifactId>
+ </plugin>
+ <plugin>
+ <groupId>net.alchim31.maven</groupId>
+ <artifactId>scala-maven-plugin</artifactId>
+ <version>4.9.1</version>
+ <configuration>
+ <charset>${project.build.sourceEncoding}</charset>
+ <scalaVersion>${scala.version}</scalaVersion>
+ <!-- Java depends on Scala; compile Scala before javac
sees .java sources. -->
+ <compileOrder>ScalaThenJava</compileOrder>
+ <!-- Use javac from maven-compiler-plugin so
protocol-shaded.jar is on the classpath (Zinc
+ integration missed it for translated source roots).
-->
+ <sendJavaToScalac>false</sendJavaToScalac>
+ <args>
+ <arg>-feature</arg>
+ <arg>-release</arg>
+ <arg>17</arg>
+ </args>
+ <source>17</source>
+ <target>17</target>
+ </configuration>
+ <executions>
+ <execution>
+ <id>scala-compile-first</id>
+ <goals>
+ <goal>compile</goal>
+ </goals>
+ <phase>process-resources</phase>
+ </execution>
+ <execution>
+ <id>scala-test-compile</id>
+ <goals>
+ <goal>testCompile</goal>
+ </goals>
+ <phase>process-test-resources</phase>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>net.revelc.code</groupId>
+ <artifactId>warbucks-maven-plugin</artifactId>
+ <version>1.1.0</version>
+ <configuration>
+ <ignoreRuleFailures>true</ignoreRuleFailures>
+ <rules>
+ <rule>
+
<classPattern>(?!.*(.generated.|.tmpl.|\$|PushdownMappedField|SparkSQLPushDownFilter|org.apache.hadoop.hbase.spark.hbase.package)).*</classPattern>
+ <includeTestClasses>false</includeTestClasses>
+ <includePublicClasses>true</includePublicClasses>
+
<includePackagePrivateClasses>false</includePackagePrivateClasses>
+
<includeProtectedClasses>false</includeProtectedClasses>
+
<includePrivateClasses>false</includePrivateClasses>
+
<classAnnotationPattern>org[.]apache[.]yetus[.]audience[.]InterfaceAudience.*</classAnnotationPattern>
+ </rule>
+ </rules>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+</project>
diff --git a/spark4/hbase-spark4/pom.xml b/spark4/hbase-spark4/pom.xml
new file mode 100644
index 0000000..7ab30be
--- /dev/null
+++ b/spark4/hbase-spark4/pom.xml
@@ -0,0 +1,209 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.
+
+-->
+<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
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.hbase.connectors</groupId>
+ <artifactId>spark4</artifactId>
+ <version>${revision}</version>
+ <relativePath>../pom.xml</relativePath>
+ </parent>
+
+ <groupId>org.apache.hbase.connectors.spark</groupId>
+ <artifactId>hbase-spark4</artifactId>
+ <name>Apache HBase - Spark 4 Connector</name>
+ <description>Apache Spark 4.x integration for HBase.</description>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-api</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hbase.thirdparty</groupId>
+ <artifactId>hbase-shaded-miscellaneous</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hbase.connectors.spark</groupId>
+ <artifactId>hbase-spark-pushdown_${scala.binary.version}</artifactId>
+ <version>${revision}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.scala-lang</groupId>
+ <artifactId>scala-library</artifactId>
+ <version>${scala.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.spark</groupId>
+ <artifactId>spark-core_${scala.binary.version}</artifactId>
+ <version>${spark4.version}</version>
+ <scope>provided</scope>
+ <exclusions>
+ <exclusion>
+ <groupId>org.scala-lang</groupId>
+ <artifactId>scala-library</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.scala-lang</groupId>
+ <artifactId>scalap</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>com.google.code.findbugs</groupId>
+ <artifactId>jsr305</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.xerial.snappy</groupId>
+ <artifactId>snappy-java</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>xerces</groupId>
+ <artifactId>xercesImpl</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-client-api</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-client-runtime</artifactId>
+ </exclusion>
+ </exclusions>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.spark</groupId>
+ <artifactId>spark-sql_${scala.binary.version}</artifactId>
+ <version>${spark4.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.spark</groupId>
+ <artifactId>spark-streaming_${scala.binary.version}</artifactId>
+ <version>${spark4.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hbase.connectors.spark</groupId>
+ <artifactId>hbase-spark-protocol-shaded</artifactId>
+ <version>${revision}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.yetus</groupId>
+ <artifactId>audience-annotations</artifactId>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ </plugin>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>build-helper-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>add-source</id>
+ <goals>
+ <goal>add-source</goal>
+ </goals>
+ <phase>validate</phase>
+ <configuration>
+ <sources>
+ <source>src/main/scala</source>
+ </sources>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-enforcer-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>banned-scala</id>
+ <goals>
+ <goal>enforce</goal>
+ </goals>
+ <configuration>
+ <skip>true</skip>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-checkstyle-plugin</artifactId>
+ </plugin>
+ <plugin>
+ <groupId>net.revelc.code</groupId>
+ <artifactId>warbucks-maven-plugin</artifactId>
+ <version>1.1.0</version>
+ <configuration>
+ <ignoreRuleFailures>true</ignoreRuleFailures>
+ <rules>
+ <rule>
+
<classPattern>(?!.*(.generated.|.tmpl.|\$|org.apache.hadoop.hbase.spark.hbase.package)).*</classPattern>
+ <includeTestClasses>false</includeTestClasses>
+ <includePublicClasses>true</includePublicClasses>
+
<includePackagePrivateClasses>false</includePackagePrivateClasses>
+ <includeProtectedClasses>false</includeProtectedClasses>
+ <includePrivateClasses>false</includePrivateClasses>
+
<classAnnotationPattern>org[.]apache[.]yetus[.]audience[.]InterfaceAudience.*</classAnnotationPattern>
+ </rule>
+ </rules>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>net.alchim31.maven</groupId>
+ <artifactId>scala-maven-plugin</artifactId>
+ <version>4.9.1</version>
+ <configuration>
+ <charset>${project.build.sourceEncoding}</charset>
+ <scalaVersion>${scala.version}</scalaVersion>
+ <args>
+ <arg>-feature</arg>
+ <arg>-release</arg>
+ <arg>17</arg>
+ </args>
+ <source>17</source>
+ <target>17</target>
+ </configuration>
+ <executions>
+ <execution>
+ <id>scala-compile-first</id>
+ <goals>
+ <goal>add-source</goal>
+ <goal>compile</goal>
+ </goals>
+ <phase>process-resources</phase>
+ </execution>
+ <execution>
+ <id>scala-test-compile</id>
+ <phase>none</phase>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+</project>
diff --git
a/spark4/hbase-spark4/src/main/scala/org/apache/hadoop/hbase/spark/Spark4Placeholder.scala
b/spark4/hbase-spark4/src/main/scala/org/apache/hadoop/hbase/spark/Spark4Placeholder.scala
new file mode 100644
index 0000000..f6f96cf
--- /dev/null
+++
b/spark4/hbase-spark4/src/main/scala/org/apache/hadoop/hbase/spark/Spark4Placeholder.scala
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+package org.apache.hadoop.hbase.spark
+
+import org.apache.yetus.audience.InterfaceAudience
+
+/**
+ * Phase-0 build marker for the Spark 4 connector line (`hbase-spark4`).
+ * Replaced incrementally during feature porting; see umbrella jira
HBASE-30178.
+ */
[email protected]
+private[hbase] object Spark4Placeholder
diff --git a/spark4/pom.xml b/spark4/pom.xml
new file mode 100644
index 0000000..80f6135
--- /dev/null
+++ b/spark4/pom.xml
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.
+
+-->
+<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
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.hbase.connectors</groupId>
+ <artifactId>hbase-connectors</artifactId>
+ <version>${revision}</version>
+ <relativePath>../pom.xml</relativePath>
+ </parent>
+
+ <artifactId>spark4</artifactId>
+ <packaging>pom</packaging>
+ <version>${revision}</version>
+ <name>Apache HBase - Spark 4</name>
+ <description>
+ Maven reactor for the Apache Spark 4.x HBase connector (parallel to
spark/).
+ Activated with profile -Pspark4 on the repository root pom. Requires JDK
17+ (Spark 4.x).
+ </description>
+
+ <modules>
+ <module>hbase-spark-pushdown</module>
+ <module>hbase-spark4</module>
+ </modules>
+
+ <properties>
+ <compileSource>17</compileSource>
+ <releaseTarget>17</releaseTarget>
+ <java.min.version>17</java.min.version>
+
+ <!-- Apache Spark 4.x is Scala 2.13 only -->
+ <spark4.version>4.0.0</spark4.version>
+ <!-- Keep aligned with the Scala version expected by Spark 4.0.0 -->
+ <scala.version>2.13.14</scala.version>
+ <scala.binary.version>2.13</scala.binary.version>
+ </properties>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-enforcer-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>spark4-requires-jdk17</id>
+ <goals>
+ <goal>enforce</goal>
+ </goals>
+ <phase>validate</phase>
+ <configuration>
+ <rules>
+ <requireJavaVersion>
+ <version>[17,)</version>
+ <message>
+ The Spark 4 connector reactor requires JDK 17 or newer
(Apache Spark 4.x).
+ Omit -Pspark4 to build only the Kafka and Spark 3 modules
on JDK 8+.
+ </message>
+ </requireJavaVersion>
+ </rules>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+</project>
