7 | Cascade delete with unidirectional mappingSuppose entity A is referenced from entity B, like (A -> * B) but not actually having that reference, instead only B has @ManyToOne relationship to A and A has none. Is there a way to cascade delete of B's when deleting A? Or this should be done programatically with separate call to database |
7 | Multi-tenant capability with hierarchies an error "Caused by: org.hibernate.AnnotationException: @OneToOne or @ManyToOne", even if I don't |
7 | JPA vs JDO - which is more efficient for OneToMany queries?; } @Entity class Order { @ManyToOne Customer customer } Are you saying |
7 | Database Inconsistency or corruption markedDeleted = false; @ManyToOne private Project project; @javax.persistence.OneToMany(cascade=javax |
7 | mappedBy problem; @ManyToOne public Employee employee; } The address class will never persist !! eml W M |
7 | Why are my Map entries not stored? private long id; private LocalDateTime dateTime = null; @ManyToOne(fetch = FetchType |
7 | Detaching objects after JOIN FETCHHi, I have a question about detaching objects after issuing query with JOIN FETCH. Let's say I have two classes: public class A { @ManyToOne B bClass } public class B { @OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL) List<A> aClasses; } Now, I want |
7 | Items in list are doubled, when the entity class is not enhanced; @ManyToOne private Customer customer; ... getters and setters } public class JavaApplication |
7 | Efficient query on EmbeddedId on an @Entity field? Example: int carId or @ManyToOne Car car (which has an int id) (I know the annotation |
7 | Removing an element from an @OneToMany doesn't workHello. I have a Parent and Child entities. // in the parent @OneToMany(mappedBy = "parent", fetch = FetchType.EAGER, cascade = CascadeType.ALL) private List<Child> children; // in the child @ManyToOne private Parent parent; Somewhere I do this: parent.getChildren().remove(0 |
