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Manual
151

JPA Entity Fields

superclasses) can be classified into the following five groups: Transient fields Persistent fields Inverse ... and inverse fields) can be used in both entity classes and embeddable classes. However, the last ... is indeed embeddable: @Entity public class Person { @Embedded Address address; } Inverse
Issue
32

Lazy loading of mapped by (inverse) singular references

ObjectDB ignores lazy setting of non collection mapped by (inverse) fields and loads ... , so it is always available. For mapped by (inverse) reference fields no information is stored in the entity ... object may be an instance of a subclass. Future versions of ObjectDB should manage mapped by (inverse
Issue
30

Bulk load of eager mapped by (inverse) relationships

. However, inverse (mapped by) references that have to be loaded eagerly currently do not participate ... a separate client-server round trip. Future versions of ObjectDB should load eager mapped by (inverse) fields in bulk as well. Bulk load of eager mapped by (inverse) singular references is now supported in build 2.4.4_13. kborkowski lwalkowski
Forum
30

Cascading persistence through an inverse field

Hi! I was playing with cascading persistence with @ManyToMany and inverse @ManyToMany fields, and I ... maintain a regular link on both sides instead of using an inverse field? Thank you for your help ... side only, it is usually fine, as the inverse (mapped by) side will be updated automatically when the object
Forum
30

Error 363 - Failed to read value of inverse relationship

works fine and the relationships (both forward and inverse) behave as expected in the Object DB ... that inverse mapped like possibleFriends. What's the problem? The error message is similar
Forum
30

Mapped (Inverse) LAZY @OneToMany vs. Unmapped LAZY @OneToMany

didn't include inverse (mapped by) fields, but currently it does (it may be changed again in future versions), so currently inverse relationships are always loaded eagerly in entity classes that are not
Issue
29

JPQL support for mapped by (inverse) collections

As discussed and demonstrated in this forum thread, collection operators and methods (IS EMPTY, SIZE, MEMBER OF, IN) are currently not supported for mapped by (inverse) collections. These operations are supported for direct (not mapped by) collections. Navigation and JOIN is supported
JPA Doc
18

JPA Annotations for Relationships

annotations are supported by ObjectDB for the inverse side of a bidirectional relationship
JPA Doc
7

javax.persistence.JoinColumn

of the owning entity, or inverse entity if the join is part of the inverse join definition. When used in
JPA Doc
7

JoinColumn.referencedColumnName

table of the owning entity, or inverse entity if the join is part of the inverse join definition