souci de relation

**mimi6060** · 13/12/2015, 14h00

bonjour,
j'essaye de mettre en relation 2 entity avec jpa le souci est que le champs keyClient dans adress est toujours null

merci de votre aide .

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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package fr.ietevents.serviceweb.Entity;
 
import java.io.Serializable;
import java.math.BigDecimal;
import java.util.Collection;
import javax.persistence.Basic;
import javax.persistence.CascadeType;
import javax.persistence.CollectionTable;
import javax.persistence.Column;
import javax.persistence.ElementCollection;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.validation.constraints.Size;
import javax.xml.bind.annotation.XmlRootElement;
 
/**
 *
 * @author IETEVENTS
 */
@Entity
@Table(name = "Client")
@XmlRootElement
@NamedQueries({
    @NamedQuery(name = "Client.findAll", query = "SELECT c FROM Client c"),
    @NamedQuery(name = "Client.findById", query = "SELECT c FROM Client c WHERE c.KeyClient = :KeyClient"),
    @NamedQuery(name = "Client.findByNom", query = "SELECT c FROM Client c WHERE c.nom = :nom"),
    @NamedQuery(name = "Client.findByPrenom", query = "SELECT c FROM Client c WHERE c.prenom = :prenom")})
public class Client implements Serializable {
 
    private static final long serialVersionUID = 1L;
    // @Max(value=?)  @Min(value=?)//if you know range of your decimal fields consider using these annotations to enforce field validation
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "KeyClient")
    private BigDecimal KeyClient;
    @Size(max = 255)
    @Column(name = "nom")
    private String nom;
    @Size(max = 255)
    @Column(name = "prenom")
    private String prenom;
    @OneToMany(cascade = CascadeType.ALL,mappedBy = "client")
    private Collection<Adresse> adresse;
 
    public Client() {
    }
 
    public Client(BigDecimal id) {
        this.KeyClient = id;
    }
 
    public Collection<Adresse> getAdresse() {
        return adresse;
    }
 
    public void setAdresse(Collection<Adresse> adresse) {
        this.adresse = adresse;
    }
 
 
 
    public BigDecimal getId() {
        return KeyClient;
    }
 
    public void setId(BigDecimal id) {
        this.KeyClient = id;
    }
 
    public String getNom() {
        return nom;
    }
 
    public void setNom(String nom) {
        this.nom = nom;
    }
 
    public String getPrenom() {
        return prenom;
    }
 
    public void setPrenom(String prenom) {
        this.prenom = prenom;
    }
 
    @Override
    public int hashCode() {
        int hash = 0;
        hash += (KeyClient != null ? KeyClient.hashCode() : 0);
        return hash;
    }
 
    @Override
    public boolean equals(Object object) {
        // TODO: Warning - this method won't work in the case the id fields are not set
        if (!(object instanceof Client)) {
            return false;
        }
        Client other = (Client) object;
        if ((this.KeyClient == null && other.KeyClient != null) || (this.KeyClient != null && !this.KeyClient.equals(other.KeyClient))) {
            return false;
        }
        return true;
    }
 
    @Override
    public String toString() {
        return "fr.ietevents.serviceweb.Entity.Client[ id=" + KeyClient + " ]";
    }
 
}

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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package fr.ietevents.serviceweb.Entity;
 
import java.io.Serializable;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import javax.xml.bind.annotation.XmlRootElement;
 
/**
 *
 * @author IETEVENTS
 */
@Entity
@Table(name = "Adresse")
@XmlRootElement
@NamedQueries({
    @NamedQuery(name = "Adresse.findAll", query = "SELECT a FROM Adresse a"),
    @NamedQuery(name = "Adresse.findByKeyAdresse", query = "SELECT a FROM Adresse a WHERE a.keyAdresse = :keyAdresse"),
    @NamedQuery(name = "Adresse.findByAdresse", query = "SELECT a FROM Adresse a WHERE a.adresse = :adresse"),
    @NamedQuery(name = "Adresse.findByKeyLocalite", query = "SELECT a FROM Adresse a WHERE a.keyLocalite = :keyLocalite")})
public class Adresse implements Serializable {
 
    private static final long serialVersionUID = 1L;
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "KeyAdresse")
    private Integer keyAdresse;
    @Size(max = 90)
    @Column(name = "Adresse")
    private String adresse;
    @Column(name = "KeyLocalite")
    private Integer keyLocalite;
    @ManyToOne()
    @JoinColumn(name = "KeyClient")
    private Client client ;
 
 
 
    public Adresse() {
    }
 
    public Adresse(Integer keyAdresse) {
        this.keyAdresse = keyAdresse;
    }
 
    public Client getClient() {
        return client;
    }
 
    public void setClient(Client client) {
        this.client = client;
    }
 
    public Integer getKeyAdresse() {
        return keyAdresse;
    }
 
    public void setKeyAdresse(Integer keyAdresse) {
        this.keyAdresse = keyAdresse;
    }
 
    public String getAdresse() {
        return adresse;
    }
 
    public void setAdresse(String adresse) {
        this.adresse = adresse;
    }
 
    public Integer getKeyLocalite() {
        return keyLocalite;
    }
 
    public void setKeyLocalite(Integer keyLocalite) {
        this.keyLocalite = keyLocalite;
    }
 
    @Override
    public int hashCode() {
        int hash = 0;
        hash += (keyAdresse != null ? keyAdresse.hashCode() : 0);
        return hash;
    }
 
    @Override
    public boolean equals(Object object) {
        // TODO: Warning - this method won't work in the case the id fields are not set
        if (!(object instanceof Adresse)) {
            return false;
        }
        Adresse other = (Adresse) object;
        if ((this.keyAdresse == null && other.keyAdresse != null) || (this.keyAdresse != null && !this.keyAdresse.equals(other.keyAdresse))) {
            return false;
        }
        return true;
    }
 
    @Override
    public String toString() {
        return "fr.ietevents.serviceweb.Entity.Adresse[ keyAdresse=" + keyAdresse + " ]";
    }
 
}

**mimi6060** · 15/12/2015, 10h08

bonjour,
j'ai essayer un code plus simple mais j'ai toujours le souci qu'il ne sauvegarde pas dans adress la reference vers client :
pouvez vous m'aider ?

Merci d'avance

Code :

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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package jpa01.Persistance;
 
import java.io.Serializable;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
 
/**
 *
 * @author IETEVENTS
 */
@Entity
public class Client implements Serializable {
 
    private static final long serialVersionUID = 1L;
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
    String nom ;
    String prenom;
    @OneToMany(mappedBy = "client",cascade = CascadeType.ALL)
    private  List<AdresseClient> adress;
 
    public String getNom() {
        return nom;
    }
 
    public List<AdresseClient> getAdress() {
        return adress;
    }
 
    public void setAdress(List<AdresseClient> adress) {
        this.adress = adress;
    }
 
    public void setNom(String nom) {
        this.nom = nom;
    }
 
    public String getPrenom() {
        return prenom;
    }
 
    public void setPrenom(String prenom) {
        this.prenom = prenom;
    }
 
 
    public Long getId() {
        return id;
    }
 
    public void setId(Long id) {
        this.id = id;
    }
 
    @Override
    public int hashCode() {
        int hash = 0;
        hash += (id != null ? id.hashCode() : 0);
        return hash;
    }
 
    @Override
    public boolean equals(Object object) {
        // TODO: Warning - this method won't work in the case the id fields are not set
        if (!(object instanceof Client)) {
            return false;
        }
        Client other = (Client) object;
        if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
            return false;
        }
        return true;
    }
 
    @Override
    public String toString() {
        return "jpa01.Persistance.Client[ id=" + id + " ]";
    }
 
}

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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package jpa01.Persistance;
 
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
 
/**
 *
 * @author IETEVENTS
 */
@Entity
public class AdresseClient implements Serializable {
 
    private static final long serialVersionUID = 1L;
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
    @Column(name ="adress")
    private String adress;
    @ManyToOne()
    @JoinColumn(name="Client")
    private Client client ;
 
    public Long getId() {
        return id;
    }
 
    public String getAdress() {
        return adress;
    }
 
    public void setAdress(String adress) {
        this.adress = adress;
    }
 
    public Client getClient() {
        return client;
    }
 
    public void setClient(Client client) {
        this.client = client;
    }
 
    public void setId(Long id) {
        this.id = id;
    }
 
    @Override
    public int hashCode() {
        int hash = 0;
        hash += (id != null ? id.hashCode() : 0);
        return hash;
    }
 
    @Override
    public boolean equals(Object object) {
        // TODO: Warning - this method won't work in the case the id fields are not set
        if (!(object instanceof AdresseClient)) {
            return false;
        }
        AdresseClient other = (AdresseClient) object;
        if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
            return false;
        }
        return true;
    }
 
    @Override
    public String toString() {
        return "jpa01.Persistance.AdresseClient[ id=" + id + " ]";
    }
 
}

Code :

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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package jpa01;
 
import java.util.ArrayList;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction;
import javax.persistence.Persistence;
import jpa01.Persistance.AdresseClient;
import jpa01.Persistance.Client;
 
/**
 *
 * @author IETEVENTS
 */
public class Jpa01 {
 
    /**
     * @param args the command line arguments
     */
   public static void main(String[] args)
    {
      //--- Création d'un EntityManageter
      System.out.println( "Création d'un EntityManager");
      EntityManagerFactory emf =
 				Persistence.createEntityManagerFactory( "Jpa01PU");
      EntityManager em = emf.createEntityManager();
 
      //--- création d'un nouveau client
      System.out.println( "Création d'un client");
      Client client = new Client();
      client.setNom( "Dupont" );
      client.setPrenom( "Marcel" );
      System.out.println( "Création d'une adress");
        AdresseClient adresseClient = new AdresseClient();
        adresseClient.setAdress("paris");
        List listAdress = new ArrayList();
        listAdress.add(adresseClient);
        client.setAdress(listAdress);
      //--- persistons ce client dans la base
      EntityTransaction tx = em.getTransaction();
      System.out.println( "Début de la transaction");
      tx.begin();
      try
      {
        System.out.println( "Ajout du client dans la base en cours..." );
        em.persist( client );
        tx.commit();
        System.out.println( "Transaction validée");
      }
      catch ( Exception e )
      {
        System.out.println( "Erreur :" + e.getMessage() );
        tx.rollback();
        System.out.println( "Transaction annulée");
      }
      finally
      {
        em.close();
        emf.close();
      }
    }
 
}

**Maine13** · 15/12/2015, 10h52

Bonjour ,

Essai plutôt de faire

Code :

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      Client client = new Client();
      client.setNom( "Dupont" );
      client.setPrenom( "Marcel" );
 
       AdresseClient adresseClient = new AdresseClient();
       adresseClient.setAdress("paris");
       //La en effecte le client à l'adresse mais pas le contraire pour que ton adresse obtienne un client ;)
        adresseClient.setClient(client);
       List listAdress = new ArrayList();
       listAdress.add(adresseClient);
       client.setAdress(listAdress);

**mimi6060** · 15/12/2015, 11h46

un grand Merci depuis le temps que je cherchais mon erreur

souci de relation

JPA Java

Vue hybride

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