Discussion :

[Raiden1234]

Bonjour,

Alors j'ai mit en oeuvre les annotations de type cascade pour supprimer en cascade tout ce qui est relié, dans mon cas, a la table "Person".

La suppression en cascade marche sauf pour deux relations avec deux autres tables qui sont toutes les deux de types @ManyToOne et @OneToMany

Meme en mettant du @OneToOne ca ne marchait pas donc voila je dois probablement faire une erreur, bien que c'est etrangre vu qu'avec le reste ca fonctionne.

Voici le code de mon entité "Person" :

Person.java :

Code :

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/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package jim.sums.db;
 
import javax.persistence.CascadeType;
import jim.common.jimaas.struts2.User;
import java.io.Serializable;
import java.sql.Timestamp;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.ManyToMany;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne;
 
/**
 *
 * @author BreyA
 */
@Entity
public class Person implements Serializable, User {
 
    private static final long serialVersionUID = 1L;
    private Long id;
    private String forename;
    private String surname;
    private String username;
    private String password;
    private Timestamp creationDate;
    private Timestamp confirmationDate;
    private Timestamp lastLogin;
    private Set<Cohort> cohort = new HashSet<Cohort>();
    private Set<Email> email = new HashSet<Email>();
    private Organisation organisation;
    private PersonStatus status;
    private Set<Phone> phone = new HashSet<Phone>();
    private StudentIdentifier studentIdentifier;
    private Set<Suspension> suspended = new HashSet<Suspension>();
    private Set<Suspension> instigater = new HashSet<Suspension>();
    private Set<Cohort> cohortCoordinating = new HashSet<Cohort>();
 
 
    @OneToMany(mappedBy = "personCoordinating")
    public Set<Cohort> getCohortCoordinating() {
        return cohortCoordinating;
    }
 
    public void setCohortCoordinating(Set<Cohort> cohortCoordinating) {
        this.cohortCoordinating = cohortCoordinating;
    }
 
    public void setCohort(Set<Cohort> cohort) {
        this.cohort = cohort;
    }
 
    @ManyToMany
    public Set<Cohort> getCohort() {
        return cohort;
    }
 
 
 
    public void setInstigater(Set<Suspension> instigaterPerson) {
        this.instigater = instigaterPerson;
    }
 
    public void setSuspended(Set<Suspension> suspendedPerson) {
        this.suspended = suspendedPerson;
    }
 
    @OneToMany(mappedBy = "instigaterPerson", cascade = {CascadeType.REMOVE})
    public Set<Suspension> getInstigater() {
        return instigater;
    }
 
    @ManyToMany(mappedBy = "suspendedPerson", cascade = {CascadeType.REMOVE})
    public Set<Suspension> getSuspended() {
        return suspended;
    }
 
    @OneToOne
    public StudentIdentifier getStudentIdentifier() {
        return studentIdentifier;
    }
 
    public void setStudentIdentifier(StudentIdentifier studentIdentifier) {
        this.studentIdentifier = studentIdentifier;
    }
 
    @ManyToMany(mappedBy = "personPhone", cascade = {CascadeType.REMOVE})
    public Set<Phone> getPhone() {
        return phone;
    }
 
    public void setPhone(Set<Phone> phone) {
        this.phone = phone;
    }
 
    @ManyToOne
    public PersonStatus getStatus() {
        return status;
    }
 
    public void setStatus(PersonStatus personStatus) {
        this.status = personStatus;
    }
 
    @ManyToOne
    public Organisation getOrganisation() {
        return organisation;
    }
 
    public void setOrganisation(Organisation organisation) {
        this.organisation = organisation;
    }
 
    @OneToMany(mappedBy = "personEmail", cascade = {CascadeType.REMOVE})
    public Set<Email> getEmail() {
        return email;
    }
 
    public void setEmail(Set<Email> email) {
        this.email = email;
    }
 
    public void setConfirmationDate(Timestamp confirmationDate) {
        this.confirmationDate = confirmationDate;
    }
 
    public void setCreationDate(Timestamp creationDate) {
        this.creationDate = creationDate;
    }
 
    public void setLastLogin(Timestamp lastLogin) {
        this.lastLogin = lastLogin;
    }
 
    public Timestamp getConfirmationDate() {
        return confirmationDate;
    }
 
    public Timestamp getCreationDate() {
        return creationDate;
    }
 
    public Timestamp getLastLogin() {
        return lastLogin;
    }
 
    @Override
    public void setForename(String forename) {
        this.forename = forename;
    }
 
    @Override
    public void setPassword(String password) {
        this.password = password;
    }
 
    @Override
    public void setSurname(String surname) {
        this.surname = surname;
    }
 
    @Override
    public void setUsername(String username) {
        this.username = username;
    }
 
    @Column
    @Override
    public String getForename() {
        return forename;
    }
 
    @Column
    @Override
    public String getPassword() {
        return password;
    }
 
    @Column
    @Override
    public String getSurname() {
        return surname;
    }
 
    @Column
    @Override
    public String getUsername() {
        return username;
    }
 
    @Override
    public void setId(Long id) {
        this.id = id;
    }
 
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Override
    public Long getId() {
        return 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 Person)) {
            return false;
        }
        Person other = (Person) 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 "jim.sums.db.Person[id=" + id + "]";
    }
 
    @Override
    public boolean isUserInRole(String role) {
        throw new UnsupportedOperationException("Not supported yet.");
    }
}

Organisation.java :

Code :

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/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package jim.sums.db;
 
import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne;
 
/**
 *
 * @author BreyA
 */
@Entity
public class Organisation implements Serializable {
 
    private static final long serialVersionUID = 1L;
    private Long id;
    private String name;
    private String postalAddress;
    private String postcode;
    private String activity;
    private Set<Person> personOrganisation = new HashSet<Person>();
 
    @OneToMany(mappedBy = "organisation", cascade = {CascadeType.REMOVE})
    public Set<Person> getPersonOrganisation() {
        return personOrganisation;
    }
 
    public void setPersonOrganisation(Set<Person> personOrganisation) {
        this.personOrganisation = personOrganisation;
    }
 
    public void setActivity(String activity) {
        this.activity = activity;
    }
 
    public void setName(String name) {
        this.name = name;
    }
 
    public void setPostalAddress(String postalAddress) {
        this.postalAddress = postalAddress;
    }
 
    public void setPostcode(String postcode) {
        this.postcode = postcode;
    }
 
    @Column
    public String getActivity() {
        return activity;
    }
 
    @Column
    public String getName() {
        return name;
    }
 
    @Column
    public String getPostalAddress() {
        return postalAddress;
    }
 
    @Column
    public String getPostcode() {
        return postcode;
    }
 
    public void setId(Long id) {
        this.id = id;
    }
 
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    public Long getId() {
        return 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 Organisation)) {
            return false;
        }
        Organisation other = (Organisation) 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 "jim.sums.db.Organisation[id=" + id + "]";
    }
}

StudentIdentifier.java :

Code :

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/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
 
package jim.sums.db;
 
import java.io.Serializable;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToOne;
 
/**
 *
 * @author BreyA
 */
@Entity
public class StudentIdentifier implements Serializable {
    private static final long serialVersionUID = 1L;
    private Long id;
    private String hemis;
    private Person personStudent;
 
 
    @OneToOne(mappedBy="studentIdentifier", cascade={CascadeType.REMOVE})
    public Person getPersonStudent() {
        return personStudent;
    }
 
    public void setPersonStudent(Person person) {
        this.personStudent = person;
    }
 
 
    public void setHemis(String hemis) {
        this.hemis = hemis;
    }
 
    @Column
    public String getHemis() {
        return hemis;
    }
 
 
    public void setId(Long id) {
        this.id = id;
    }
 
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    public Long getId() {
        return 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 StudentIdentifier)) {
            return false;
        }
        StudentIdentifier other = (StudentIdentifier) 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 "jim.sums.db.StudentNumber[id=" + id + "]";
    }
 
}

La suppression en cascade fonctionne pour tous sauf pour "Organisation" et "StudentIdentifier".

StudentIdentifier est de type @OneToOne
Organisation est de type @ManyToOne (dans Person) et @OneToMany (dans Organisation)

Donc quand je supprime une personne, son id d'Organisation ou de StudentIdentifier (c'est un ou l'autre) est supprimé et la pas de suppression en cascade.

Voila, j'espere que vous avez compris mon probleme.

Merci de m'aider