JAVA-2116: Split or move libraries-data-2 module (#9716)

* JAVA-2116: Move Java-R Integration to libraries-6 module

* JAVA-2116: Move Guide to JMapper to libraries-data module

libraries-6/README.md

@@ -15,4 +15,5 @@ Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-m
 - [A Guide to the Reflections Library](https://www.baeldung.com/reflections-library)
 - [Exactly Once Processing in Kafka](https://www.baeldung.com/kafka-exactly-once)
 - [Introduction to Protonpack](https://www.baeldung.com/java-protonpack)
+- [Java-R Integration](https://www.baeldung.com/java-r-integration)
 - More articles [[<-- prev]](/libraries-5)

libraries-6/pom.xml

@@ -92,8 +92,50 @@
             <version>${commonsio.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.rosuda.REngine</groupId>
+            <artifactId>Rserve</artifactId>
+            <version>${rserve.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.github.jbytecode</groupId>
+            <artifactId>RCaller</artifactId>
+            <version>${rcaller.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.renjin</groupId>
+            <artifactId>renjin-script-engine</artifactId>
+            <version>${renjin.version}</version>
+        </dependency>
     </dependencies>
 
+    <repositories>
+        <!-- Needed for Renjin -->
+        <repository>
+            <id>bedatadriven</id>
+            <name>bedatadriven public repo</name>
+            <url>https://nexus.bedatadriven.com/content/groups/public/</url>
+        </repository>
+    </repositories>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <!-- Excludes FastR classes from compilations since they require GraalVM -->
+                    <excludes>
+                        <exclude>com/baeldung/r/FastRMean.java</exclude>
+                    </excludes>
+                    <testExcludes>
+                        <exclude>com/baeldung/r/FastRMeanUnitTest.java</exclude>
+                    </testExcludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
     <properties>
         <kafka.version>2.0.0</kafka.version>
         <javapoet.version>1.10.0</javapoet.version>
@@ -105,6 +147,9 @@
         <commons-net.version>3.6</commons-net.version>
         <assertj.version>3.6.2</assertj.version>
         <commonsio.version>2.6</commonsio.version>
+        <renjin.version>RELEASE</renjin.version>
+        <rcaller.version>3.0</rcaller.version>
+        <rserve.version>1.8.1</rserve.version>
     </properties>
 
 

libraries-6/src/main/java/com/baeldung/r/FastRMean.java

@@ -1,8 +1,5 @@
 package com.baeldung.r;
 
-import java.io.IOException;
-import java.net.URISyntaxException;
-
 /**
  * FastR showcase.
  * 

libraries-6/src/main/java/com/baeldung/r/RCallerMean.java

@@ -1,12 +1,12 @@
 package com.baeldung.r;
 
-import java.io.IOException;
-import java.net.URISyntaxException;
-
 import com.github.rcaller.rstuff.RCaller;
 import com.github.rcaller.rstuff.RCallerOptions;
 import com.github.rcaller.rstuff.RCode;
 
+import java.io.IOException;
+import java.net.URISyntaxException;
+
 /**
  * RCaller showcase.
  * 

libraries-6/src/main/java/com/baeldung/r/RenjinMean.java

@@ -1,13 +1,12 @@
 package com.baeldung.r;
 
-import java.io.IOException;
-import java.net.URISyntaxException;
-
-import javax.script.ScriptException;
-
 import org.renjin.script.RenjinScriptEngine;
 import org.renjin.sexp.DoubleArrayVector;
 
+import javax.script.ScriptException;
+import java.io.IOException;
+import java.net.URISyntaxException;
+
 /**
  * Renjin showcase.
  * 

libraries-6/src/test/java/com/baeldung/r/RCallerMeanIntegrationTest.java

@@ -1,14 +1,13 @@
 package com.baeldung.r;
 
-import java.io.IOException;
-import java.net.URISyntaxException;
-
-import javax.script.ScriptException;
-
 import org.junit.Assert;
 import org.junit.Ignore;
 import org.junit.Test;
 
+import javax.script.ScriptException;
+import java.io.IOException;
+import java.net.URISyntaxException;
+
 /**
  * Test for {@link RCallerMean}.
  * 

libraries-6/src/test/java/com/baeldung/r/RenjinMeanUnitTest.java

@@ -1,13 +1,11 @@
 package com.baeldung.r;
 
-import java.io.IOException;
-import java.net.URISyntaxException;
-
-import javax.script.ScriptException;
-
+import org.junit.Assert;
 import org.junit.Test;
 
-import org.junit.Assert;
+import javax.script.ScriptException;
+import java.io.IOException;
+import java.net.URISyntaxException;
 
 /**
  * Test for {@link RenjinMean}.

libraries-data-2/README.md

@@ -8,10 +8,8 @@ This module contains articles about libraries for data processing in Java.
 - [Introduction to Conflict-Free Replicated Data Types](https://www.baeldung.com/java-conflict-free-replicated-data-types)
 - [Introduction to javax.measure](https://www.baeldung.com/javax-measure)
 - [A Guide to Infinispan in Java](https://www.baeldung.com/infinispan)
-- [Guide to JMapper](https://www.baeldung.com/jmapper)
 - [An Introduction to SuanShu](https://www.baeldung.com/suanshu)
 - [Intro to Derive4J](https://www.baeldung.com/derive4j)
-- [Java-R Integration](https://www.baeldung.com/java-r-integration)
 - [Univocity Parsers](https://www.baeldung.com/java-univocity-parsers)
 - [Using Kafka MockConsumer](https://www.baeldung.com/kafka-mockconsumer)
 - [Using Kafka MockProducer](https://www.baeldung.com/kafka-mockproducer)

libraries-data-2/pom.xml

@@ -86,11 +86,6 @@
             <artifactId>spring-web</artifactId>
             <version>${spring.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.googlecode.jmapper-framework</groupId>
-            <artifactId>jmapper-core</artifactId>
-            <version>${jmapper.version}</version>
-        </dependency>
         <dependency>
             <groupId>com.numericalmethod</groupId>
             <artifactId>suanshu</artifactId>
@@ -126,6 +121,11 @@
             <artifactId>kafka-clients</artifactId>
             <version>${kafka.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
         <dependency>
             <groupId>org.awaitility</groupId>
             <artifactId>awaitility</artifactId>
@@ -138,21 +138,6 @@
             <version>${awaitility.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.rosuda.REngine</groupId>
-            <artifactId>Rserve</artifactId>
-            <version>${rserve.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.github.jbytecode</groupId>
-            <artifactId>RCaller</artifactId>
-            <version>${rcaller.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.renjin</groupId>
-            <artifactId>renjin-script-engine</artifactId>
-            <version>${renjin.version}</version>
-        </dependency>
         <dependency>
             <groupId>net.bytebuddy</groupId>
             <artifactId>byte-buddy</artifactId>
@@ -175,33 +160,8 @@
             <url>http://repo.numericalmethod.com/maven/</url>
             <layout>default</layout>
         </repository>
-        
-        <!-- Needed for Renjin -->
-        <repository>
-            <id>bedatadriven</id>
-            <name>bedatadriven public repo</name>
-            <url>https://nexus.bedatadriven.com/content/groups/public/</url>
-        </repository>
     </repositories>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <!-- Excludes FastR classes from compilations since they require GraalVM -->
-                    <excludes>
-                        <exclude>com/baeldung/r/FastRMean.java</exclude>
-                    </excludes>
-                    <testExcludes>
-                        <exclude>com/baeldung/r/FastRMeanUnitTest.java</exclude>						
-                    </testExcludes>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
     <properties>
         <flink.version>1.5.0</flink.version>
         <hll.version>1.6.0</hll.version>
@@ -210,17 +170,14 @@
         <infinispan.version>9.1.5.Final</infinispan.version>
         <jackson.version>2.9.8</jackson.version>
         <spring.version>4.3.8.RELEASE</spring.version>
-        <jmapper.version>1.6.0.1</jmapper.version>
         <suanshu.version>4.0.0</suanshu.version>
         <derive4j.version>1.1.0</derive4j.version>
         <assertj.version>3.6.2</assertj.version>
         <slf4j.version>1.7.25</slf4j.version>
         <awaitility.version>3.0.0</awaitility.version>
         <univocity.version>2.8.4</univocity.version>
-        <renjin.version>RELEASE</renjin.version>
-        <rcaller.version>3.0</rcaller.version>
-        <rserve.version>1.8.1</rserve.version>
         <kafka.version>2.5.0</kafka.version>
+        <guava.version>29.0-jre</guava.version>
     </properties>
 
 </project>

libraries-data/README.md

@@ -12,4 +12,5 @@ This module contains articles about libraries for data processing in Java.
 - [Introduction to Kafka Connectors](https://www.baeldung.com/kafka-connectors-guide)
 - [Kafka Connect Example with MQTT and MongoDB](https://www.baeldung.com/kafka-connect-mqtt-mongodb)
 - [Building a Data Pipeline with Flink and Kafka](https://www.baeldung.com/kafka-flink-data-pipeline)
+- [Guide to JMapper](https://www.baeldung.com/jmapper)
 More articles: [[next -->]](/../libraries-data-2)

libraries-data/pom.xml

@@ -126,6 +126,11 @@
                 </exclusion>
             </exclusions>
         </dependency>
+        <dependency>
+            <groupId>com.googlecode.jmapper-framework</groupId>
+            <artifactId>jmapper-core</artifactId>
+            <version>${jmapper.version}</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -172,6 +177,7 @@
         <org.apache.crunch.crunch-core.version>0.15.0</org.apache.crunch.crunch-core.version>
         <org.apache.hadoop.hadoop-client>2.2.0</org.apache.hadoop.hadoop-client>
         <slf4j.version>1.7.25</slf4j.version>
+        <jmapper.version>1.6.0.1</jmapper.version>
     </properties>
 
 </project>

libraries-data/src/test/java/com/baeldung/jmapper/JMapperIntegrationTest.java

@@ -7,6 +7,9 @@ import org.junit.Test;
 import java.time.LocalDate;
 
 import static com.googlecode.jmapper.api.JMapperAPI.*;
+import static com.googlecode.jmapper.api.JMapperAPI.attribute;
+import static com.googlecode.jmapper.api.JMapperAPI.global;
+import static com.googlecode.jmapper.api.JMapperAPI.mappedClass;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 

libraries-data/src/test/java/com/baeldung/jmapper/JMapperRelationalIntegrationTest.java

@@ -55,8 +55,8 @@ public class JMapperRelationalIntegrationTest {
     public void givenUser_whenUseApi_thenConverted(){
         JMapperAPI jmapperApi = new JMapperAPI() 
         .add(mappedClass(User.class)
-            .add(attribute("id").value("id").targetClasses(UserDto1.class,UserDto2.class))
-            .add(attribute("email").targetAttributes("username","email").targetClasses(UserDto1.class,UserDto2.class)) )
+            .add(attribute("id").value("id").targetClasses(UserDto1.class, UserDto2.class))
+            .add(attribute("email").targetAttributes("username","email").targetClasses(UserDto1.class, UserDto2.class)) )
          ;
         RelationalJMapper<User> relationalMapper = new RelationalJMapper<>(User.class,jmapperApi);