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16

EntityManager JPA or JDO impl and different behavior

ask this is, I have an entity class that contains another entity, and that entity holds a Map. If I ... . However if I use em.find(SomeObject.class, id) the map is NOT populated. I created a simple test ... ) doesn't populate the nested map and in the test project it does. If I use a query instead of find
3

PrimaryKeyJoinColumn.referencedColumnName

the primary key column of the primary table of the superclass (JOINED mapping strategy); the same name as the primary key column of the primary table (SecondaryTable mapping); or the same name as the primary key column for the table for the referencing entity (OneToOne mapping). Default value: "" Since: JPA 1.0
3

PrimaryKeyJoinColumn.name

of the primary table of the superclass (JOINED mapping strategy); the same name as the primary key column of the primary table (SecondaryTable mapping); or the same name as the primary key column for the table for the referencing entity (OneToOne mapping). Default value: "" Since: JPA 1.0
3

MapKey.name

or property of the associated entity that is used as the map key. Default: If the name element is not specified, the primary key of the associated entity is used as the map key. If the primary key is a composite primary key and is mapped as IdClass, an instance of the primary key class is used as the key. Default value: "" Since: JPA 1.0
2

getProperties()

Method javax.persistence.EntityManagerFactory Map<String,Object> getProperties() Get the properties and associated values that are in effect for the entity manager factory. Changing the contents of the map does not change the configuration in effect. Returns: properties Throws
2

javax.persistence.metamodel.SingularAttribute

() Is the attribute collection-valued (represents a Collection, Set, List, or Map). Is the attribute collection-valued (represents a Collection, Set, List, or Map). Returns: boolean indicating
2

value()

Method javax.persistence.criteria.MapJoin Path<V> value() Create a path expression that corresponds to the map value. This method is for stylistic use only: it just returns this. Returns: path corresponding to the map value Since: JPA 2.0
2

PessimisticLockScope.NORMAL

is used, or if the entity is otherwise mapped to a secondary table, this entails locking the row(s ... contain the foreign key (such as relationships that are mapped to join tables or unidirectional
2

javax.persistence.Version

more than one Version property or field will not be portable. The Version property should be mapped to the primary table for the entity class; applications that map the Version property to a table
0

Element.embeddedMapping

Annotation Element javax.jdo.annotations.Element Embedded[] embeddedMapping The embedded mapping for the element. Returns: the embedded mapping for the element Default value: {} Since: JDO 2.1

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