Hi, thanks for your reply. I see...
Btw changeing it to "update" doesnt have any effect. The data I persists isnt saved to my local database. It seems like it doesnt really matter what configuration I got in the persistence.xml. Even when I set an invalid password, I still can persists data / read data. Am Freitag, 28. September 2012 02:40:20 UTC+2 schrieb Juan Pablo Gardella: > > Nothing related to GWT, use JPA/Hibernate forum. You are create and drop > the database each time that EMF is created: > > <property name="hibernate.hbm2ddl.auto" value="create" /> > <property name="hibernate.hbm2ddl.auto" value="create-drop" /> > > Use update instead create-drop. > > 2012/9/27 Manuel <[email protected] <javascript:>> > >> Hi everyone, >> >> Actually I try to use GWT, Request Factory + JPA with Hibernate. >> It seems to be working, but there is no data in my local database. >> >> I can create a EntityMangerFactory >> private static final EntityManagerFactory emfInstance = >> Persistence.createEntityManagerFactory("kunde");[/code] >> >> a EntityManger >> EMF.createEntityManager() >> >> and persists a Object >> em.persist(Worker); >> >> I can also read all my persisted Objects. >> >> But I dont know where the data is saved. I thought, it should be saved in >> the postgresDB I configured in my persistence.xml? >> >> >> Any help is much appreciated. >> Thanks in advanced. >> >> Regards, >> Manuel >> >> >> >> Here is my Code, please let me know if you need any further information. >> >> My Entity Class >> package de.mash.project.server; >> >> import java.util.List; >> >> import javax.jdo.annotations.Transactional; >> import javax.persistence.Column; >> import javax.persistence.Entity; >> import javax.persistence.EntityManager; >> import javax.persistence.GeneratedValue; >> import javax.persistence.GenerationType; >> import javax.persistence.Id; >> import javax.persistence.Table; >> import javax.persistence.Transient; >> >> @Entity >> @Table(name = "Worker") >> public class Worker { >> >> public static Worker findWorker(Long id) { >> // if (id == 0) { >> return null; >> // } >> // EntityManager em = entityManager(); >> // try { >> // Worker worker = em.find(Worker.class, id); >> // return worker; >> // } finally { >> // em.close(); >> // } >> } >> >> @Transient >> protected Object[] jdoDetachedState; >> >> // @Id >> // @GeneratedValue(generator = "auto_increment") >> // @GenericGenerator(name = "auto_increment", strategy = "increment") >> // @Column(name = "id") >> // private int id; >> >> @Id >> @Column(name = "id") >> @GeneratedValue(strategy = GenerationType.IDENTITY) >> private Long id; >> >> @Column(name = "first_name") >> private String firstName; >> >> @Column(name = "last_name") >> private String lastName; >> >> @Column(name = "salary") >> private int salary; >> >> public Worker() { >> } >> >> public Worker(String fname, String lname, int salary) { >> this.firstName = fname; >> this.lastName = lname; >> this.salary = salary; >> } >> >> public Long getId() { >> return id; >> } >> >> public void setId(long id) { >> this.id = id; >> } >> >> public String getFirstName() { >> return firstName; >> } >> >> public void setFirstName(String first_name) { >> this.firstName = first_name; >> } >> >> public String getLastName() { >> return lastName; >> } >> >> public void setLastName(String last_name) { >> this.lastName = last_name; >> } >> >> public int getSalary() { >> return salary; >> } >> >> public void setSalary(int salary) { >> this.salary = salary; >> } >> >> public static Long countWorkers() { >> return 2l; >> } >> >> public Integer getVersion() { >> return 1; >> } >> >> public void persist() { >> EntityManager em = entityManager(); >> try { >> // em.getTransaction().begin(); >> em.persist(this); >> // em.flush(); >> // em.getTransaction().commit(); >> } catch (Exception e) { >> int i = 1; >> } finally { >> em.close(); >> } >> >> em = entityManager(); >> >> final List<Worker> list = em.createQuery("select p from Worker >> p").getResultList(); >> >> System.out.println(list.size()); >> for (Worker current : list) { >> System.out.println(current.getFirstName() + " " + >> current.getLastName() + " " + current.getSalary()); >> } >> >> em.close(); >> >> } >> >> public static final EntityManager entityManager() { >> return EMF.get().createEntityManager(); >> } >> >> } >> >> >> My persistence.xml >> <?xml version="1.0" encoding="UTF-8" ?> >> <persistence xmlns="http://java.sun.com/xml/ns/persistence"; >> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; >> xsi:schemaLocation="http://java.sun.com/xml/ns/persistence >> http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"; >> version="1.0"> >> >> <persistence-unit name="kunde" transaction-type="RESOURCE_LOCAL"> >> <class>de.mash.project.server.Worker</class> >> >> <properties> >> <property name="hibernate.dialect" >> value="org.hibernate.dialect.PostgreSQLDialect" /> >> <property name="hibernate.show_sql" value="true" /> >> >> <property name="hibernate.connection.driver_class" >> value="org.postgresql.Driver" /> >> <property name="hibernate.connection.url" >> value="jdbc:postgresql://localhost:5432/dev_mash" /> >> <property name="hibernate.connection.username" >> value="postgres" /> >> <property name="hibernate.connection.password" value="m4nu3l" >> /> >> <property name="hibernate.default_schema" value="public" /> >> >> <property name="hibernate.hbm2ddl.auto" value="create" /> >> <property name="hibernate.hbm2ddl.auto" value="create-drop" /> >> </properties> >> </persistence-unit> >> >> </persistence> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google Web Toolkit" group. >> To view this discussion on the web visit >> https://groups.google.com/d/msg/google-web-toolkit/-/-tgVT993FtQJ. >> To post to this group, send email to >> [email protected]<javascript:> >> . >> To unsubscribe from this group, send email to >> [email protected] <javascript:>. >> For more options, visit this group at >> http://groups.google.com/group/google-web-toolkit?hl=en. >> > > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. 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