WildFly Swarm with Spring Data JPA

pom.xml

<?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/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.examp</groupId>
	<artifactId>demo</artifactId>
	<name>WildFly Swarm Example</name>
	<version>1.0.0-SNAPSHOT</version>
	<packaging>war</packaging>

	<properties>
		<version.wildfly.swarm>2016.8.1</version.wildfly.swarm>
		<maven.compiler.source>1.8</maven.compiler.source>
		<maven.compiler.target>1.8</maven.compiler.target>
		<failOnMissingWebXml>false</failOnMissingWebXml>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>

	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.wildfly.swarm</groupId>
				<artifactId>bom-all</artifactId>
				<version>${version.wildfly.swarm}</version>
				<scope>import</scope>
				<type>pom</type>
			</dependency>
		</dependencies>
	</dependencyManagement>

	<build>
		<finalName>demo</finalName>
		<plugins>
			<plugin>
				<groupId>org.wildfly.swarm</groupId>
				<artifactId>wildfly-swarm-plugin</artifactId>
				<version>${version.wildfly.swarm}</version>
				<executions>
					<execution>
						<goals>
							<goal>package</goal>
						</goals>
					</execution>
				</executions>
			</plugin>
		</plugins>
	</build>

	<dependencies>
		<!-- Java EE 7 dependency -->
		<dependency>
			<groupId>javax</groupId>
			<artifactId>javaee-api</artifactId>
			<version>7.0</version>
			<scope>provided</scope>
		</dependency>
		<!-- WildFly Swarm Fractions -->
		<dependency>
			<groupId>org.wildfly.swarm</groupId>
			<artifactId>cdi</artifactId>
		</dependency>
		<dependency>
			<groupId>org.wildfly.swarm</groupId>
			<artifactId>h2</artifactId>
		</dependency>
		<dependency>
			<groupId>org.wildfly.swarm</groupId>
			<artifactId>jpa</artifactId>
		</dependency>
		<dependency>
			<groupId>org.wildfly.swarm</groupId>
			<artifactId>undertow</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.data</groupId>
			<artifactId>spring-data-jpa</artifactId>
			<version>1.10.2.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.projectlombok</groupId>
			<artifactId>lombok</artifactId>
			<version>1.16.10</version>
		</dependency>
		<dependency>
			<groupId>com.h2database</groupId>
			<artifactId>h2</artifactId>
			<version>1.4.181</version>
		</dependency>
	</dependencies>

	<repositories>
		<repository>
			<id>jboss-public-repository-group</id>
			<name>JBoss Public Repository Group</name>
			<url>https://repository.jboss.org/nexus/content/groups/public/</url>
			<releases>
				<enabled>true</enabled>
				<updatePolicy>never</updatePolicy>
			</releases>
			<snapshots>
				<enabled>true</enabled>
				<updatePolicy>daily</updatePolicy>
			</snapshots>
		</repository>
	</repositories>
</project>

src_main_java_example_EntityManagerProducer.java

package example;

import javax.enterprise.context.Dependent;
import javax.enterprise.inject.Produces;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

public class EntityManagerProducer {

	@PersistenceContext @Produces @Dependent public EntityManager entityManager;
}

src_main_java_example_main.java

package example;

import org.wildfly.swarm.Swarm;

/**
 * @author Mark Paluch
 */
public class main {

	public static void main(String[] args) throws Exception {

		Swarm swarm = new Swarm();
		swarm.start().deploy();
	}
}

src_main_java_example_MyEntity.java

package example;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;

import lombok.Data;

/**
 * @author Mark Paluch
 */
@Data
@Table
@Entity
public class MyEntity {

	@Id @GeneratedValue private Long id;
	private String name;
}

src_main_java_example_MyRepo.java

package example;

import org.springframework.data.jpa.repository.JpaRepository;

/**
 * @author Mark Paluch
 */
public interface MyRepo extends JpaRepository<MyEntity, Long> {}

src_main_java_example_MyService.java

package example;

import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;
import javax.transaction.Transactional;

/**
 * @author Mark Paluch
 */
@Transactional
@ApplicationScoped
public class MyService {

	@Inject MyRepo myRepo;

	public void save() {
		myRepo.save(new MyEntity());
	}
}

src_main_java_example_MyServlet.java

package example;

import java.io.IOException;

import javax.inject.Inject;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/Hello")
public class MyServlet extends HttpServlet {

	@Inject MyService myService;

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		resp.getWriter().write("Hello from Servlet at " + new java.util.Date());

		myService.save();
	}
}

src_main_resources_META-INF_beans.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans
		xmlns="http://xmlns.jcp.org/xml/ns/javaee"
		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
		xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee 
                      http://xmlns.jcp.org/xml/ns/javaee/beans_1_1.xsd"
		bean-discovery-mode="all">
</beans>

src_main_resources_META-INF_persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence
		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
		version="2.1"
		xmlns="http://xmlns.jcp.org/xml/ns/persistence"
		xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
	<persistence-unit name="CustomPU" transaction-type="JTA">

		<jta-data-source>jboss/datasources/ExampleDS</jta-data-source>

		<properties>
			<property name="javax.persistence.schema-generation.database.action" value="drop-and-create"/>
			<property name="javax.persistence.schema-generation.create-source" value="metadata"/>
			<property name="javax.persistence.schema-generation.drop-source" value="metadata"/>
		</properties>
	</persistence-unit>
</persistence>

src_main_resources_modules_com_h2database_h2_main_module.xml

<?xml version="1.0" encoding="UTF-8"?>
<module xmlns="urn:jboss:module:1.3" name="com.h2database.h2">

	<resources>
		<artifact name="com.h2database:h2:1.4.181"/>
	</resources>
	<dependencies>
		<module name="javax.api"/>
		<module name="javax.transaction.api"/>
		<module name="javax.servlet.api" optional="true"/>
	</dependencies>
</module>