Javaslang Fetched Upstream and Updated (#1368)

* javaslang updates

* groovy

* update and clean from upstream

* upate from upstream and clean

* update

* cleanup

* clean

spring-data-javaslang/.gitignore

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+/target/
+/project/
+.idea
+.classpath
+.eclipse

spring-data-javaslang/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+    <groupId>spring-data-javaslangb</groupId>
+    <artifactId>spring-data-javaslangb</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+     <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
+        <maven-compiler-plugin.version>3.1</maven-compiler-plugin.version>
+        <groovy-eclipse-compiler.version>2.9.1-01</groovy-eclipse-compiler.version>
+        <groovy-eclipse-batch.version>2.3.7-01</groovy-eclipse-batch.version>
+        <org.codehouse.groovy.version>2.4.8</org.codehouse.groovy.version>
+        <javaslang.version>2.0.5</javaslang.version>
+        <junit.version>4.12</junit.version>
+        <spring-boot.version>1.5.1.RELEASE</spring-boot.version>
+        <spring-context.version>4.3.6.RELEASE</spring-context.version>
+        <spring-core.version>4.3.6.RELEASE</spring-core.version>
+        <spring-test.version>4.3.6.RELEASE</spring-test.version>
+        <project.build.testSourceDirectory>${basedir}/src/test/java</project.build.testSourceDirectory>
+    </properties>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>1.5.1.RELEASE</version>
+    </parent>
+    <profiles>
+        <profile>
+            <id>test-app</id>
+            <build>
+                <defaultGoal>verify</defaultGoal>
+                <plugins>
+                    <plugin>
+                        <groupId>org.springframework.boot</groupId>
+                        <artifactId>spring-boot-maven-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <id>spring-boot-run</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>run</goal>
+                                </goals>
+                                <inherited>false</inherited>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.5.1</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>${maven-surefire-plugin.version}</version>
+                <configuration>
+                    <testSourceDirectory>${project.build.testSourceDirectory}</testSourceDirectory>
+                </configuration>           
+            </plugin>
+        </plugins>
+    </build>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/com.h2database/h2 -->
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <version>1.4.193</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/io.javaslang/javaslang -->
+        <dependency>
+            <groupId>io.javaslang</groupId>
+            <artifactId>javaslang</artifactId>
+            <version>${javaslang.version}</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.springframework.data/spring-data-jpa -->
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+            <version>1.11.0.RELEASE</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot</artifactId>
+            <version>${spring-boot.version}</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-data-jpa -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+            <version>${spring-boot.version}</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-test -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <version>${spring-boot.version}</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.springframework/spring-context -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>${spring-context.version}</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.springframework/spring-core -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+            <version>${spring-core.version}</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/junit/junit -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>

spring-data-javaslang/src/main/java/com/baeldung/spring_data/model/Book.java

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+package com.baeldung.spring_data.model;
+
+import javaslang.collection.Seq;
+
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.Table;
+import javax.persistence.CollectionTable;
+import javax.persistence.Column;
+import javax.persistence.ElementCollection;
+import javax.persistence.Entity;
+
+@Entity
+@Table(name = "book")
+public class Book {
+    
+    @GeneratedValue
+    @Id
+    private Long id;
+    
+    private String title;
+
+    private Seq<String> authors;
+    
+    
+    public void setTitle(String title){
+        this.title = title;
+    }
+    
+    public String getTitle(){
+        return this.title;
+    }
+   
+    public Long getId(){
+        return this.id;
+    }
+    
+    public void setAuthors(Seq authors){
+        this.authors = authors;
+    }
+    
+    public Seq getAuthors(){
+        return this.authors;
+    }
+}

spring-data-javaslang/src/main/java/com/baeldung/spring_data/model/JavaBook.java

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+package com.baeldung.spring_data.model;
+
+import javax.persistence.ElementCollection;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import java.util.List;
+
+@Entity
+@Table(name = "java_book")
+public class JavaBook {
+    
+    @GeneratedValue
+    @Id
+    private Long id;
+    
+    private String title;
+    
+    @ElementCollection
+    private List<String> authors;
+    
+    
+    public void setAuthors(List<String> authors){
+        this.authors = authors;
+    }
+    
+    public void setTitle(String title){
+        this.title = title;
+    }
+    
+    public String getTitle(){
+        return this.title;
+    }
+   
+    public Long getId(){
+        return this.id;
+    }
+}
+

spring-data-javaslang/src/main/java/com/baeldung/spring_data/repository/BookRepository.java

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+package com.baeldung.spring_data.repository;
+
+import com.baeldung.spring_data.model.Book;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import javaslang.collection.Seq;
+import javaslang.control.Option;
+
+@Repository
+public interface BookRepository extends JpaRepository<Book,Long>{
+    Book save(Book book);
+        
+    Option<Book> findById(Long id);
+        
+    Option<Seq<Book>> findByTitleContaining(String title);
+
+}

spring-data-javaslang/src/main/java/com/baeldung/spring_data/repository/JavaBookRepository.java

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+package com.baeldung.spring_data.repository;
+
+import com.baeldung.spring_data.model.JavaBook;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface JavaBookRepository extends JpaRepository<JavaBook,Long>{
+    JavaBook save(JavaBook book);
+        
+    JavaBook findById(Long id);
+        
+    List<JavaBook> findByTitleContaining(String title);
+}

spring-data-javaslang/src/main/java/com/baeldung/spring_data_app/MainApp.java

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+package com.baeldung.spring_data_app;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.domain.EntityScan;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
+
+@Configuration
+@EnableJpaRepositories("com.baeldung.spring_data.repository")
+@EnableTransactionManagement
+@EntityScan("com.baeldung.spring_data.model")
+@SpringBootApplication
+public class MainApp {
+    public static void main(String[] args){
+        SpringApplication.run(MainApp.class, args);
+    }
+}

spring-data-javaslang/src/test/java/com/baeldung/spring_data_tests/SpringTests.java

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+package com.baeldung.spring_data_tests;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import com.baeldung.spring_data_app.MainApp;
+import com.baeldung.spring_data.model.Book;
+import com.baeldung.spring_data.model.JavaBook;
+import com.baeldung.spring_data.repository.BookRepository;
+import com.baeldung.spring_data.repository.JavaBookRepository;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javaslang.collection.Seq;
+import javaslang.collection.List;
+import javaslang.control.Option;
+
+import java.util.ArrayList;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = MainApp.class,webEnvironment = WebEnvironment.NONE)
+public class SpringTests {
+    
+    @Autowired
+    JavaBookRepository javaRepository;
+    
+    @Autowired
+    BookRepository repository;
+    
+    @Test
+    public void should_return_seq(){
+        Seq authors = List.of("author1","author2");
+        Book testBook = new Book();
+        testBook.setTitle("Javaslang in Spring Data Seq Test Return");
+        testBook.setAuthors(authors);
+        Book book = repository.save(testBook);
+        Option<Seq<Book>> books = repository.findByTitleContaining("Seq Test");
+        assert(!books.isEmpty());
+    }
+    
+    
+    @Test
+    public void should_return_option_with_book(){
+        Seq authors = List.of("author1","author2");
+        Book testBook = new Book();
+        testBook.setTitle("Javaslang in Spring Data");
+        testBook.setAuthors(authors);
+        Book book = repository.save(testBook);
+        Option<Book> retBook = repository.findById(1L);
+        assert(retBook.isDefined() && !retBook.isEmpty());
+        assert(retBook.get() != null);
+    }
+    
+    @Test
+    public void should_return_list(){
+        ArrayList<String> authors = new ArrayList<String>();
+        authors.add("author1");
+        authors.add("author2");
+        JavaBook testBook = new JavaBook();
+        testBook.setTitle("Javaslang in Spring Data Seq Return");
+        testBook.setAuthors(authors);
+        JavaBook book = javaRepository.save(testBook);
+        java.util.List<JavaBook> books = javaRepository.findByTitleContaining("Seq");
+        assert(!books.isEmpty());
+        assert(books.size() == 1);
+        assert(books.get(0).getTitle().equals("Javaslang in Spring Data Seq Return"));
+    }
+ 
+    @Test
+    public void should_return_book(){
+        ArrayList<String> authors = new ArrayList<String>();
+        authors.add("author1");
+        authors.add("author2");
+        JavaBook testBook = new JavaBook();
+        testBook.setTitle("Javaslang in Spring Data");
+        testBook.setAuthors(authors);
+        JavaBook book = javaRepository.save(testBook);
+        JavaBook retBook = javaRepository.findById(1L);
+        assert(retBook != null);
+        assert(retBook.getId() == 1L);
+        assert(retBook.getTitle().contains("Data"));
+    }
+}