 1 | Hi, Given :
@Entity(name = "Inspiration")
public class Inspiration implements Serializable {
....
@ManyToOne(fetch = FetchType.EAGER)
protected Atelier atelier;
....
}
I have a query :
SELECT i FROM Inspiration i WHERE i.atelier.id = 3 When I run this query I get wrong |
1 | We have a class with a one to many relationship declared like this (1 or more objects of the same class are linked into the relationship, no circular referencing):
@Entity
public class ObjectNode implements Serializable {
private static final long serialVersionUID = 1L;
@Id
public String |
1 | ... The Customer class code:
@Entity
public class Customer implements Serializable {
private |
1 | I don't think JDO supports altering an entity's Application Identity. Does ObjectDB?
@PersistenceCapable public class MyClass implements Serializable, Cloneable{
@Id private StringIdentity id;
...
}
PersistenceManager persistenceManager = ...;
Transaction transaction |
1 | Serializable {
private static final long serialVersionUID = 1L;
@Id
public String uUid |
1 | implements Serializable {
@Id
private String id;
private String town;
public |
1 | Serializable {
private static final Integer decrease = 20; // percent
//
@Id
private |
1 | The @Converter annotation and the Attribute Converter interface have two big benefits: 1) They make it possible to persist any as-yet-unsupported java types that do not implement java.io.Serializable. (If they do, it is possible to persist them automatically by turning on the |
1 | A implements Serializable {
}
@Entity
public static class B |
1 | In the docs, all serializable types should be persistable. However, when I tried to persist a field of type AtomicInteger, I got the following message: Message: Failed to commit transaction: Attempt to store an instance of a non persistable type java.util.concurrent.atomic.AtomicInteger I am using |