Thorben Janssen thjanssen

🎓

Creating the best Java persistence courses for the @Persistence-Hub

Java persistence specialist, founder of the @Persistence-Hub , independent consultant & trainer

thjanssen / NamedQuery.java

Created April 19, 2015 03:13

JPA 2.1 Attribute Converter - The better way to persist enums (http://www.thoughts-on-java.org/2013/10/jpa-21-type-converter-better-way-to.html)

@NamedQueries(@NamedQuery(name = "Trip.findByVehicle", query = "SELECT trip FROM Trip trip WHERE vehicle=:vehicle"))

thjanssen / delete.java

Last active April 26, 2017 08:07

Criteria Update/Delete - The easy way to implement bulk operations with JPA2.1 (http://www.thoughts-on-java.org/2013/10/criteria-updatedelete-easy-way-to.html)

-@Stateless
-@LocalBean
-public class OrderManagement {
-    @PersistenceContext
-    private EntityManager em;
-    ...
-    public void deleteOrder(Double amount) {
-        CriteriaBuilder cb = this.em.getCriteriaBuilder();

thjanssen / ColorConverter.java

Last active November 4, 2019 16:08

JPA 2.1 - How to implement an Attribute Converter (http://www.thoughts-on-java.org/2013/10/jpa-21-how-to-implement-type-converter.html)

	package blog.thoughts.on.java.jpa21.converter;

	import java.awt.Color;

	import javax.persistence.AttributeConverter;
	import javax.persistence.Converter;

	@Converter
	public class ColorConverter implements AttributeConverter<Color, String> {

thjanssen / AuthorEndpointTest.java

Created April 19, 2015 02:59

JBoss Forge - Speedup your enterprise development - Part III Integration Tests with Arquillian (http://www.thoughts-on-java.org/2013/10/jboss-forge-speedup-your-enterprise.html)

	@RunWith(Arquillian.class)
	public class AuthorEndpointTest
	{

	@Inject
	private AuthorEndpoint authorendpoint;

	@Deployment
	public static JavaArchive createDeployment()
	{

thjanssen / Author.java

Created April 19, 2015 02:50

JBoss Forge - Speedup your enterprise development - Part II RESTful Webservices (http://www.thoughts-on-java.org/2013/09/rapid-application-development-with.html)

	@Entity
	@XmlRootElement
	public class Author implements Serializable
	{
	...

	@XmlTransient
	public Set<Book> getBooks()
	{
	return this.books;

thjanssen / AuthorEntity.java

Last active August 29, 2015 14:19

JBoss Forge - Speedup your enterprise development (http://www.thoughts-on-java.org/2013/09/rapid-application-development-with.html)

	@Entity
	public class Author implements Serializable
	{

	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	@Column(name = "id", updatable = false, nullable = false)
	private Long id = null;
	@Version
	@Column(name = "version")