Bonjour je travaille avec eclipse la version ganymede et le serveur jboss 4.2.1 lorsque j'essai j'utiliser les requetes JPQL pour l'affichage des donnèes de ma base j'obtiens ceci:
entityBeans.Customer@f70f8e
voici mon customer bean
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| package entityBeans;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import java.io.Serializable;
@Entity
public class Customer implements Serializable {
private int idcustomer;
private String firstname;
private String lastname;
private String email;
private String adresse;
private String zipCode;
private String city;
private int phone;
private String password;
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
public int getIdcustomer() {
return idcustomer;
}
public void setIdcustomer(int idcustomer) {
this.idcustomer = idcustomer;
}
public String getFirstname() {
return firstname;
}
public void setFirstname(String firstname) {
this.firstname = firstname;
}
public String getLastname() {
return lastname;
}
public void setLastname(String lastname) {
this.lastname = lastname;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getAdresse() {
return adresse;
}
public void setAdresse(String adresse) {
this.adresse = adresse;
}
public String getZipCode() {
return zipCode;
}
public void setZipCode(String zipCode) {
this.zipCode = zipCode;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public int getPhone(){
return phone;
}
public void setPhone(int phone){
this.phone=phone;
}
public String getPassword(){
return password;
}
public void setPassword(String password){
this.password=password;
}
} |
interface :
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|
package sessionBeans;
import java.util.List;
import entityBeans.Customer;
import javax.ejb.Remote;
@Remote
public interface GestionContactRemote {
public String coucouContact(String nomContact);
public void addContact(String first, String last, String mail, String add,String zip, String city, int phone,String password);
//public String findCustomerById(int idcustomer);
public List<Customer>getCustomer();
} |
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| package sessionBeans;
import javax.ejb.Remote;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.util.List;
import entityBeans.Customer;
@Stateless(name="GestionContactRemote")
@Remote(GestionContactRemote.class)
public class GestionContactBean implements GestionContactRemote{
@PersistenceContext
EntityManager em;
public String coucouContact(String nomContact) {
return "Coucou,"+nomContact;
}
public void addContact(String first, String last, String mail, String add,String zip, String city, int phone,String password) {
Customer c = new Customer();
c.setFirstname(first);
c.setLastname(last);
c.setEmail(mail);
c.setAdresse(add);
c.setZipCode(zip);
c.setCity(city);
c.setPhone(phone);
c.setPassword(password);
em.persist(c);
}
public List<Customer> getCustomer() {
return em.createQuery("SELECT c FROM Customer c").getResultList();
}
//public String findCustomerById(int idcustomer) {
//Customer c = em.find(Customer.class,idcustomer);
//return c.getLastname()+","+c.getFirstname();
//}
} |
et la fonction main que j'appele dans l'application cliente:
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| import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import sessionBeans.GestionContactRemote;
import entityBeans.Customer;
import java.util.List;
import java.util.Iterator;
public class Main {
public static void main(String[] args) {
try{
Context context = new InitialContext();
GestionContactRemote beanRemote = (GestionContactRemote)context.lookup("GestionContactRemote/remote");
System.out.println(beanRemote.coucouContact("Mon Premier Client EjB3 "));
beanRemote.addContact("jkl","lomp","pom","htyfg","kiluy","lopjg",9,"opli");
System.out.println("Le nom du contact a ètè ajoutè dans la base:");
//+beanRemote.findCustomerById(0)
List<Customer> customers = beanRemote.getCustomer();
for (Iterator<Customer> iter= customers.iterator();iter.hasNext();){
Customer mycust = (Customer)iter.next();
System.out.println(mycust);
}
}
catch(NamingException e){
e.printStackTrace();
}
}
/* (non-Java-doc)
* @see java.lang.Object#Object()
*/
public Main() {
super();
}
} |
probleme d'affichage des donnèes d'une base avec ejb
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