package org.javaee7.jpa.datasourcedefinition_applicationxml_pu.service;
import java.util.List;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.javaee7.jpa.datasourcedefinition_applicationxml_pu.entity.TestEntity;
/**
* This service does some JPA operations. The purpose of this entire test
* is just to see whether the data source can be used so the actual operations
* don't matter much.
*
* @author Arjan Tijms
*
*/
@Stateless
public class TestService {
@PersistenceContext
private EntityManager entityManager;
public void saveNewEntity() {
TestEntity testEntity = new TestEntity();
testEntity.setValue("mytest");
entityManager.persist(testEntity);
}
public List<TestEntity> getAllEntities() {
return entityManager.createQuery("SELECT _testEntity FROM TestEntity _testEntity", TestEntity.class)
.getResultList();
}
}