wonwoo/dynamodb-spring-boot

dynamodb-spring-boot

spring boot version

dynamodb-spring-boot-starter version	spring-data-dynamodb version	Spring Boot version
0.1.2	4.5.x	>= 1.4.0 < 2.0
1.0.x	5.0.x	>= 2.0

dynamodb-spring-boot Example

1. application.properties

spring.data.dynamodb.access-key=<your access-key>
spring.data.dynamodb.secret-key=<your secret-key>

2. PersonRepository

@EnableScan
public interface PersonRepository extends DynamoDBRepository<Person, String> {
}

3. Person

@DynamoDBTable(tableName = "persons")
public class Person {

    @DynamoDBHashKey
    @DynamoDBAutoGeneratedKey
    private String id;
    private String name;

    public Person() {

    }
    // getter setter etc
}

4. Sample

@Bean
CommandLineRunner commandLineRunner(PersonRepository personRepository) {
    return args -> {
        personRepository.save(Arrays.asList(
                new Person("kevin"),
                new Person("josh long"))
        );
        personRepository.findAll()
                .forEach(System.out::println);
    };
}

Maven Install

<dependency>
    <groupId>com.github.wonwoo</groupId>
    <artifactId>dynamodb-spring-boot-starter</artifactId>
    <version>{version}-RELEASE</version>
</dependency>

Create DDL

spring.data.dynamodb.ddl.enabled=true

spring.data.dynamodb.ddl.enabled default by false

dynamodb-spring-boot-test Example

@DynamoTest

@DynamoTest
@RunWith(SpringRunner.class)
public class PersonRepositoryTests {

    @Autowired
    private PersonRepository personRepository;

    @Test
    public void save() {
        List<Person> persons = personRepository.findAll();
        assertThat(persons).hasSize(2);
    }
}

Maven Install

<dependency>
  <groupId>com.github.wonwoo</groupId>
  <artifactId>dynamodb-spring-boot-starter-test</artifactId>
  <version>{version}-RELEASE</version>
  <scope>test</scope>
</dependency>

Embedded Dynamodb setting

1. maven dependency

<dependency>
  <groupId>com.amazonaws</groupId>
  <artifactId>DynamoDBLocal</artifactId>
  <version>{local.version}</version>  
  <scope>test</scope>
</dependency>

<dependency>
  <groupId>com.almworks.sqlite4java</groupId>
  <artifactId>sqlite4java</artifactId>
  <version>{local.version}</version>  
  <scope>test</scope>
</dependency>

2. maven plugins

<plugins>
  <plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-dependency-plugin</artifactId>
    <executions>
      <execution>
        <id>copy-dependencies</id>
        <phase>process-test-resources</phase>
        <goals>
          <goal>copy-dependencies</goal>
        </goals>
        <configuration>
          <outputDirectory>${project.build.directory}/dependencies</outputDirectory>
          <overWriteReleases>false</overWriteReleases>
          <overWriteSnapshots>false</overWriteSnapshots>
          <overWriteIfNewer>true</overWriteIfNewer>
        </configuration>
      </execution>
    </executions>
  </plugin>
  <plugin>
    <artifactId>maven-surefire-plugin</artifactId>
    <version>${maven-surefire-plugin.version}</version>
    <configuration>
      <argLine>-Dsqlite4java.library.path=${basedir}/target/dependencies</argLine>
    </configuration>
  </plugin>
</plugins>

Sample code github

Sample

SampleApplication

PersonRepositoryTests

Read more here

• spring-data-dynamodb
• spring-data-dynamodb-wiki