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Moshal surprisingly, it looks like embeddable classes can't register change listeners? ie: @Embeddable @EntityListeners (Listener.class) So, having to go and make all @Embeddables into @Entities. and, having to manually save each one. Question:

>) with no particular restrictions (except the ordinary embeddable_classes ... > Is there any advantage to indexing collections of @Embeddable objects ... > You cannot define an ordinary index on a field whose type is a user defined embeddable class or

.createEntityManagerFactory; import java.io.File; import javax.persistence.Embeddable; import ... ;  }     }     @Embeddable     public static ... specifying CascadeType.PERSIST: @Embeddable public

can be either persistence capable (entity classes) or embeddable. To use embedded objects you must declare classes as embeddable (rather than the reference fields as in ObjectDB 1.0), either by annotation (Embeddable">@Embeddable) or by external XML

have is something like: @Embeddable public class EmbeddedBase { ... } @Embeddable public class EmbeddedA extends EmbeddedBase { private String name; getName ... ;   @Embeddable     public static class EmbeddedBase {    

.Embeddable; import javax.persistence.Entity; import javax.persistence.EntityManager; import javax ... ; return embeddedEntities;     }   }     @Embeddable   static ... ; this.embeddedEntities.add(entity);     }   }     @Embeddable

: @Embeddable public class PhoneNumber implements Serializable ... and embeddable classes) can be compared by using the equality operators (=, <>, ==, !=). For entities, e1 = e2 if e1 and e2 have the same type and the same primary key value. For embeddable objects, e1

Entities (Element, DataElement), which contain an ElementCollection of Embeddables (Costs). The Embeddable from the ElementCollection has a OneToMany relationship to DataElement. @Embeddable

to get going is considerably more complicated and it is still not working. It involves nested embeddable ... "> @Embeddable public class Guest implements Serializable { private String name; private Date ... ).toString()); } The full project attached. Please advise if nested embeddable

.persistence.Embeddable; import javax.persistence.Entity; import javax.persistence.EntityManager ... ; {     map.put(me.name123, me);    }   } } @Embeddable public ... .persistence.Embeddable; import javax.persistence.Entity; import javax.persistence.EntityManager; import