36 | Mapped (Inverse) LAZY @OneToMany vs. Unmapped LAZY @OneToMany to console a lazy @OneToMany mapped field after a finding entity manager closes. There is a switch DO_VIEW ... manager closes and as expected both a mapped @OneToMany list and an unmapped @OneToMany list are viewable: a.listA_mapped:[{A}[4]"ownedElement1", {A}[5]"ownedElement2"] a.listB_unmapped:[{B}[2]"b1", {B}[3 |
36 | Optimization of Map Querieshi! I am having loads and loads of occurrences of something like ((com.test.MyEntity) $1.map.get('com.test.MyEntity')).someProperty ... ((com.test.MyEntity) $1.map.get('com.test.MyEntity')).someOtherProperty .. ((com.test.MyEntity) $1.map.get('com.test.MyEntity')).someMoreProperties I need |
13 | Error 990 when querying a class with persistence-capable-superclass error. The code was working with the class in this case until I added a persistence-capable-superclass ... to what is likely to be involved, to help me with this work? Could it be because of the superclass, as ... a discriminator column when concrete superclasses are involved - is that entirely transparent with ObjectDB |
12 | javax.persistence.MappedSuperclass information is applied to the entities that inherit from it. A mapped superclass has no separate table ... for the mapped superclass itself. When applied to the subclasses the inherited mappings will apply in ... : Concrete class as a mapped superclass @MappedSuperclass public class Employee |
12 | javax.persistence.PrimaryKeyJoinColumn of the superclass (JOINED mapping strategy); the same name as the primary key column of the primary table ... table of the superclass (JOINED mapping strategy); the same name as the primary key column ... . It is used to join the primary table of an entity subclass in the JOINED mapping strategy |
9 | javax.persistence.metamodel.ManagedType represent entity, mapped superclass, and embeddable types. Since: JPA 2.0 Attribute<?,?> getAttribute ... in the managed type Since: JPA 2.0 MapAttribute<X,?,?> getDeclaredMap(String name) Return the Map-valued attribute declared by the managed type that corresponds to the specified name. Return the Map |
9 | javax.persistence.metamodel.Type.PersistenceType Since: JPA 2.0 PersistenceType ENTITY Entity Entity Since: JPA 2.0 PersistenceType MAPPED_SUPERCLASS Mapped superclass Mapped superclass Since: JPA 2.0 PersistenceType valueOf(String name) Returns |
7 | getSupertype()Method javax.persistence.metamodel.IdentifiableType IdentifiableType<?> getSupertype() Return the identifiable type that corresponds to the most specific mapped superclass or entity extended by the entity or mapped superclass. Returns: supertype of identifiable type or null if no such supertype Since: JPA 2.0 |
7 | javax.persistence.metamodel.Metamodel) Return the metamodel managed type representing the entity, mapped superclass, or embeddable class. Return the metamodel managed type representing the entity, mapped superclass, or embeddable class |
7 | javax.persistence.EntityListenersjavax.persistence Annotation EntityListeners Target: Classes Specifies the callback listener classes to be used for an entity or mapped superclass. This annotation may be applied to an entity class or mapped superclass. Since: JPA 1.0 Learn how to define and use entity listeners in Chapter 3 |
