Persistence.xml
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
<persistence-unit name="PU" transaction-type="RESOURCE_LOCAL">
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<class>Funcionario.Funcionario</class>
<class>Estoque.Estoque</class>
<properties>
<property name="javax.persistence.schema-generation.database.action" value="create"/>
</properties>
</persistence-unit>
</persistence>
public class EntityManagerProvider {
private static EntityManagerFactory emf = null;
private static EntityManager em = null;
private EntityManagerProvider() {
}
public static EntityManagerFactory getEMF() {
if (getEmf() == null) {
Properties prop = new Properties();
prop.setProperty("javax.persistence.jdbc.url", "jdbc:mysql://localhost/Mercado");
prop.setProperty("javax.persistence.jdbc.driver", "com.mysql.jdbc.Driver");
prop.setProperty("javax.persistence.jdbc.password", "root");
prop.setProperty("javax.persistence.jdbc.user", "root");
setEmf(Persistence.createEntityManagerFactory("PU", prop));
}
return getEmf();
}
public static EntityManager getEM() {
if (getEm() == null) {
setEm(getEMF().createEntityManager());
}
return getEm();
}
}
OfficialDAO.java
public class FuncionarioDAO {
EntityManager em;
public FuncionarioDAO() {
em = EntityManagerProvider.getEM();
}
public void salva(Funcionario f) {
em.getTransaction().begin();
if (f.getCodigo()== 0) {
em.persist(f);
} else {
em.merge(f);
}
em.getTransaction().commit();
}
public Funcionario localiza(int codigo) {
Funcionario f = em.find(Funcionario.class, codigo);
return f;
}
public void exclui(Funcionario f) {
em.getTransaction().begin();
em.remove(f);
em.getTransaction().commit();
}
public List<Funcionario> pesquisa() {
Query q = em.createQuery("select f from Funcionario as f order by f.nome");
List<Funcionario> lista = q.getResultList();
return lista;
}
public List<Funcionario> pesquisa(String nome) {
Query q = em.createNativeQuery("select * from funcionario where nome like ? order by nome", Funcionario.class);
q.setParameter(1, '%' + nome + '%');
List<Funcionario> lista = q.getResultList();
return lista;
}
}
ERROR
Exception in thread "AWT-EventQueue-0" javax.persistence.PersistenceException: No Persistence provider for EntityManager named PU
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:85)
at persistencia.EntityManagerProvider.getEMF(EntityManagerProvider.java:27)
at persistencia.EntityManagerProvider.getEM(EntityManagerProvider.java:33)
at persistencia.FuncionarioDAO.<init>(FuncionarioDAO.java:18)
at Tela.Gerenciar.<init>(Gerenciar.java:23)
at Tela.Gerenciar$10.run(Gerenciar.java:383)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)