11 | OneToMany and cascade delete problem): @Entity public static class Store { @OneToMany(targetEntity = Offer.class, mappedBy = "store ... { @OneToMany(targetEntity = Offer.class, mappedBy = "product", fetch = FetchType.LAZY, cascade = CascadeType |
11 | NoSuchFieldError: __odbTracker on NetBeans 7.3 + JBoss 7.1.1(mappedBy = "owner") private List<City> cities; private String name; public String ... serialVersionUID = 33L; @OneToMany(mappedBy = "city") private List<Person> persons |
11 | Performance in large transactions(cascade = CascadeType.ALL, mappedBy = "ownerEntity") private List<MyEntityElement> list ... = CascadeType.ALL, mappedBy = "ownerEntity") private List<MyEntityElement> list = new ArrayList |
11 | Object explorer cannot open odb file. ObjectDB many-to-many relationship(mappedBy = "user") @MapKey private Map<Assignement.PK, Assignement> assignements; } @Entity public class Project { @Id private String code; @OneToMany(mappedBy = "project |
11 | A bidirectional OneToOne association with a shared primary key "two unidirectional relationships" which (I assume) would not include a mappedBy attribute ? Thanks andrewv Andrew Voumard No annotations are required by ObjectDB (you may use @OneToOne annotations with no mappedBy |
11 | JPA vs JDO - which is more efficient for OneToMany queries? JPA: @Entity class Customer { @OneToMany(mappedBy="customer") Vector<Order> orders ... , and the @OneToMany(mappedBy="") on the collection was handled entirely implicitly! dmoshal David Moshal |
11 | Removing an entity throws exception; @OneToMany(mappedBy = "customer", fetch= FetchType.LAZY) private List<Item> itemList; @OneToMany(mappedBy = "customer", fetch= FetchType.LAZY) private List<OtherItem |
2 | After using the enhancer, Lazy loaded collections are no longer loading. They are set as null, CascadeType.PERSIST}, mappedBy="account", fetch = FetchType.LAZY) @JoinColumn(name = "project_id", unique ... ; @OneToMany(cascade={CascadeType.MERGE, CascadeType.PERSIST}, mappedBy="account", fetch |
2 | com.objectdb.o.InternalException: null PersistableObject { @OneToOne(mappedBy = "spouse") private Customer spouse = null; private ... paymentPeriodicity = Payment.Periodicity.QUARTERLY; @OneToMany(mappedBy = "customer", fetch = FetchType |
2 | Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct) ArrayList<Element>(); @OneToMany(mappedBy = "owner", cascade = CascadeType.ALL) public ... before detachment The easiest way is to set the fetch type to EAGER: @OneToMany(mappedBy = "owner |
