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Published on 2010-03-12T19:28:54Z
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Does anybody know of a good list of what is new in JPA 2? Not what is new with Hibernate/TopLink in the version that supports JPA 2 but what is new in the actual spec.
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Hi,
I wrote a stateless EJB method allowing to get an entity in "read-only" mode.
The way to do this is to get the entity with the EntityManager then detach it (using the JPA 2.0 EntityManager).
My code is the following:
@PersistenceContext
private EntityManager entityManager;
public T getEntity(int…
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I am using the AndroMDA plugin for maven to generate code from an uml diagram made in MagicDraw.
When the code is generated, AndroMDA desings the JPA annotation for the persitence layer. I think that at the compilation process AndroMDA uses Naming Strategies to determine the Table and Column names…
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I want to setup my database with initial data programmatically. I want to populate my database for development runs, not for testing runs (it's easy). The product is built on top of Spring and JPA/Hibernate.
Developer checks out the project
Developer runs command/script to setup database with initial…
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I am getting this error when I am running my eclipselink project.
[EL Warning]: 2008.12.05 11:47:08.056--java.lang.NoClassDefFoundError: org/jboss/resource/adapter/jdbc/ValidConnectionChecker was thrown on attempt of PersistenceLoadProcessor to load class com.mysql.jdbc.integration.jboss.MysqlValidConnectionChecker…
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So, I've got a DAO that I used to load and save my domain objects using JPA. I finally managed to get the transaction stuff working (with a bunch of help from the folks here...), now I've got another issue.
In my test case, I call my DAO to load a domain object with a given id, check that it got…
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Have been trying the whole day long and googled the ** out of the web ... in vain. You are my last hope:
Here's my code:
The Entity:
package sas.test.model;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class Employee {
@Id private int id;
private String…
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I would like to setup an hibernate project, for this I use the lastest hibernate 3.5-Final. BTW my IDE is Netbeans.
The problem is that each time a run the application, it seems to start from a fresh database whatever db backend I use (I tried hsqldb & sqlite):
here is my persistence.xml
<…
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I'm looking for a way to persist an entity which contains a field of a user type.
In this particular example I would like to persist the ts field as number of milliseconds.
import org.joda.time.DateTime;
@Entity
public class Foo {
@Id
private Long id;
private DateTime ts;
}
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I see that Hibernate home page has a symbol informing that it implements JSR 317, but I couldn't find if it implements the full spec. Does anybody knows if Hibernate 3.5.0-CR-2 fully implements the JSR 317?
I can see from their JIRA that everything is closed related to JPA 2.0:
http://opensource…
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Hi all
My choice is between
Tapestry 5
Vaadin
JSF2
I like Vaadin most, because it seems to come with all the look-and-feel features out-of-the-box, I wonder if anyone has experience with Vaadin and JPA2, preferrably EclipseLink.
JPA2 is absolutely essential, the Web2.0 framework must integrate…
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