[jboss-user] [Persistence,JBoss/CMP, Hibernate, Database] - Fetch
How can i make a fetch of collections for follow case:
A(ManyToOne * ) -> (OneToMany 1 ) B (OneToMany 1)-> C (ManyToOne * ) C
A(ManyToOne * ) ->C(ManyToOne 1)
I need to iterate above A with A.B and need to contains C Collections.
@Name("A")
| @Table(name="A")
| @Entity
| public class A implements Serializable{
|
| @Id @GeneratedValue
| private Long id;
|
| @ManyToOne
| @JoinColumn(name="b_id")
| private B b;
|
| @ManyToOne
| @JoinColumn(name="cl_id")
| private C c;
@Entity
| @Name("B")
| @Table(name="B")
| public class B implements Serializable{
| @Id @GeneratedValue(strategy=GenerationType.AUTO)
| private int id;
| @NotNull
| private String bezeichnung;
|
| @OneToMany(mappedBy="b",cascade=CascadeType.ALL, fetch=FetchType.LAZY)
| @OrderBy("bezeichnung")
| private List<C> c;
|
| @OneToMany(mappedBy="b",cascade=CascadeType.ALL, fetch=FetchType.LAZY)
| @OrderBy("kennzeichen")
| private Set<A> a;
@Entity
@Name("C")
@Table(name="C")
public class C implements Serializable {
@Id @GeneratedValue(strategy=GenerationType.AUTO)
private long id;
@NotNull
private String bezeichnung;
@ManyToOne
@JoinColumn(name="b_id")
private B b;
@OneToMany(mappedBy="c",cascade=CascadeType.ALL, fetch=FetchType.EAGER)
private Set A = new HashSet();
i need to iterate above A that contains B and have to contains List of C.
How can i do that?
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