The EntityManager is the representation of a PersistenceContext, allowing a user to manipulate data pulled from a database.
I have @Stateless bean which implements two interfaces (remote and local). I have also added @LocalBean anotation for accessing bean …
dependency-injection java-ee-6 cdi entitymanager stateless-session-beanmy question is why flush doesn't work : public void ejbService(){ Customer c = em.find(Customer.class,1); c.setName("newName"); em.…
java jpa transactions entitymanagerIn my project, I forgot to close the entity manager for each operation. After some time, I got exception due …
jpa-2.0 entitymanagerNoob question here. I'm following this example/tutorial to try and isolate a problem I keep getting on my main …
java hibernate jpa entitymanager hibernate-entitymanagerIn my project , I use JSF+JPA+CDI+WildFly 8.2 in the persistence layer. I have a BasicDao , like this: public …
jpa cdi wildfly entitymanager weldI am introducing JPA2.0 in my application working on Oracle9i database and I added the libraries EclipseLink(JPA2.0) and …
jpa-2.0 entitymanagerI would like to know what's the real difference between em.detach(entity), em.remove(entity) and using a JPQL …
jpa jpql entitymanagerI'm using the Spring framework for working on training projects. I'm also using JPA and have been having a hell …
java spring jpa entitymanager sql-deleteI'm using Spring 3.1.1.RELEASE, Hibernate 4.1.0.Final, JUnit 4.8, and JPA 2.0 (hibernate-jpa-2.0-api). I'm trying to write a query and search based …
hibernate jpa entitymanager hibernate-criteriaAm new to the Silex framework. And I would like to do simple SQL DB connection using doctrine entity manager. …
doctrine-orm entitymanager silex