Netbeans wizard Entity Classes from Database, not all tables mapped - netbeans

Question

I used this wizard to create entity classes from my database. Some tables have not been transformed into classes, but there are attributes that identify the relationships.
this is my db ERD (mysql)
and this is the user entity class (attributes)
#Entity
#Table(name = "user")
#XmlRootElement
#NamedQueries({
#NamedQuery(name = "User.findAll", query = "SELECT u FROM User u"),
#NamedQuery(name = "User.findByOid", query = "SELECT u FROM User u WHERE u.oid = :oid"),
#NamedQuery(name = "User.findByUsername", query = "SELECT u FROM User u WHERE u.username = :username"),
#NamedQuery(name = "User.findByPassword", query = "SELECT u FROM User u WHERE u.password = :password"),
#NamedQuery(name = "User.findByEmail", query = "SELECT u FROM User u WHERE u.email = :email"),
#NamedQuery(name = "User.findByAddress", query = "SELECT u FROM User u WHERE u.address = :address"),
#NamedQuery(name = "User.findBySince", query = "SELECT u FROM User u WHERE u.since = :since")})
public class User implements Serializable {
private static final long serialVersionUID = 1L;
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
#Basic(optional = false)
#Column(name = "oid")
private Integer oid;
#Basic(optional = false)
#NotNull
#Size(min = 1, max = 15)
#Column(name = "username")
private String username;
#Basic(optional = false)
#NotNull
#Size(min = 1, max = 15)
#Column(name = "password")
private String password;
// #Pattern(regexp="[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*#(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?", message="Invalid email")//if the field contains email address consider using this annotation to enforce field validation
#Basic(optional = false)
#NotNull
#Size(min = 1, max = 30)
#Column(name = "email")
private String email;
#Size(max = 50)
#Column(name = "address")
private String address;
#Basic(optional = false)
#NotNull
#Column(name = "since")
#Temporal(TemporalType.DATE)
private Date since;
#JoinTable(name = "favorite", joinColumns = {
#JoinColumn(name = "user_oid", referencedColumnName = "oid")}, inverseJoinColumns = {
#JoinColumn(name = "wheelchair_oid", referencedColumnName = "oid")})
#ManyToMany
private List<Wheelchair> wheelchairList;
#ManyToMany(mappedBy = "userList1")
private List<Wheelchair> wheelchairList1;
#OneToMany(cascade = CascadeType.ALL, mappedBy = "senderOid")
private List<Comment> commentList;
#JoinColumn(name = "role_oid", referencedColumnName = "oid")
#ManyToOne(optional = false)
private Role roleOid;
#OneToMany(cascade = CascadeType.ALL, mappedBy = "userOid")
private List<Orthopedy> orthopedyList;
public User() {
}
...
i can't understand something:
where is the OWN join table?
why i have userList1 and wheelchairList1? should it identifies OWN table? in this case i can rename it here or i have to rename it in some xml file?
why of
#OneToMany(cascade = CascadeType.ALL, mappedBy = "userOid")
private List<Orthopedy> orthopedyList;
?
it should be OneToOne...
moreover the "JSF from entities class" wizard creates CRUD operation to manage Users, how can i manage join tables? I need to write something in the controller like what?
can you please link me some resource where i can learn this?
thank you so much

Answer 1

While Creating Entities It Creates Classes For All Tables With Primary Key
But not for tables that have many to many relations . its managed by their parent classes it is maintained as a list.
This is my code for managing my many to many table of SubjectFaculty which has details of Faculty and Subjects
Assigning A Subject To Faculty
public void assignFacultyToSubject(String facultyUname, Integer subjectId) {
try {
Subject oSubject = em.find(Subject.class, subjectId);
Faculty oFaculty = em.find(Faculty.class, facultyUname);
College oCollege = em.find(College.class, oFaculty.getCollegeUname().getCollegeUname());
List<Faculty> lstFaculty = oSubject.getFacultyList();
List<Subject> lstSubject = oFaculty.getSubjectList();
if (!lstSubject.contains(oSubject)) {
lstFaculty.add(oFaculty);
lstSubject.add(oSubject);
oSubject.setFacultyList(lstFaculty);
oFaculty.setSubjectList(lstSubject);
em.merge(oSubject);
em.getEntityManagerFactory().getCache().evictAll();
} else {
System.out.println("Entry Already Found");
}
} catch (Exception e) {
System.out.println("Error :- " + e.getMessage());
}
}
Removing Subject And Faculty Details Form Many to Many Table
#Override
public void removeFacultySubject(String facultyUname, Integer subjectId) {
try {
Subject oSubject = em.find(Subject.class, subjectId);
Faculty oFaculty = em.find(Faculty.class, facultyUname);
List<Subject> lstSubject = oFaculty.getSubjectList();
List<Faculty> lsFaculty = oSubject.getFacultyList();
lstSubject.remove(oSubject);
lsFaculty.remove(oFaculty);
em.merge(oSubject);
} catch (Exception e) {
System.out.println("Error :- " + e.getMessage());
}
}