Hi,
Try next in Hibernate forum. Perhaps you are not working inside a
transaction. Try work inside of a transaction and commit it.
Cheers
2012/9/27 Manuel <develop.m...@gmail.com>
> 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 <develo...@gmail.com>
>>
>>> 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<http://java.sun.com/xml/ns/persistence>
>>> "
>>>
>>> xmlns:xsi="http://www.w3.org/**2001/XMLSchema-instance<http://www.w3.org/2001/XMLSchema-instance>
>>> "
>>>
>>> xsi:schemaLocation="http://**java.sun.com/xml/ns/**persistence<http://java.sun.com/xml/ns/persistence>
>>>
>>> http://java.sun.com/xml/ns/**persistence/persistence_1_0.**xsd<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>
>>>
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