Modularize flight-core

java/flight/flight-core/pom.xml

@@ -113,6 +113,10 @@
       <groupId>javax.annotation</groupId>
       <artifactId>javax.annotation-api</artifactId>
      </dependency>
+    <dependency>
+      <groupId>org.immutables</groupId>
+      <artifactId>value</artifactId>
+    </dependency>
 
     <dependency>
       <groupId>com.google.api.grpc</groupId>
@@ -310,4 +314,32 @@
       </plugin>
     </plugins>
   </build>
+
+  <profiles>
+    <profile>
+      <id>error-prone-jdk11+</id>
+      <activation>
+        <jdk>[11,]</jdk>
+        <property>
+          <name>!m2e.version</name>
+        </property>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-surefire-plugin</artifactId>
+            <configuration combine.self="override">
+              <argLine>--add-opens=org.apache.arrow.flight.core/org.apache.arrow.flight.perf.impl=protobuf.java --add-opens=java.base/java.nio=org.apache.arrow.memory.core,ALL-UNNAMED</argLine>
+              <enableAssertions>false</enableAssertions>
+              <systemPropertyVariables>
+                <arrow.test.dataRoot>${project.basedir}/../../../testing/data</arrow.test.dataRoot>
+              </systemPropertyVariables>
+            </configuration>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+  </profiles>
+
 </project>

java/flight/flight-core/src/main/java/module-info.java

@@ -0,0 +1,43 @@
+/*
+ * 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.
+ */
+
+module org.apache.arrow.flight.core {
+  exports org.apache.arrow.flight;
+  exports org.apache.arrow.flight.auth;
+  exports org.apache.arrow.flight.auth2;
+  exports org.apache.arrow.flight.client;
+  exports org.apache.arrow.flight.impl;
+  exports org.apache.arrow.flight.sql.impl;
+
+  requires com.fasterxml.jackson.databind;
+  requires com.google.common;
+  requires com.google.errorprone.annotations;
+  requires failureaccess;
+  requires io.grpc;
+  requires io.grpc.internal;
+  requires io.grpc.netty;
+  requires io.grpc.protobuf;
+  requires io.grpc.stub;
+  requires io.netty.common;
+  requires io.netty.handler;
+  requires io.netty.transport;
+  requires org.apache.arrow.format;
+  requires org.apache.arrow.memory.core;
+  requires org.apache.arrow.vector;
+  requires protobuf.java;
+  requires org.slf4j;
+}