8.12.1 @AssociationOverride
- Organization of this subsection
(1) Description
This annotation overrides the settings used in the ManyToOne relationship or the OneToOne relationship specified in a mapped superclass and an embedded class.
When @AssociationOverride is not specified, the external key column is mapped in the same way as the original mapping.
The applicable targets are class, method, and field.
(2) Element
The following table lists the elements of @AssociationOverride:
|
Element name |
Optional/Required |
Element description |
|---|---|---|
|
Required |
This element specifies the name of the field or property having the related mapping that is to be overridden. |
|
|
Required |
This element specifies an array of @JoinColumn. |
The details of attributes that are supported with Cosminexus JPA provider are as follows:
(a) name element
- Type
-
String
- Description
-
This element specifies the name of the field or property having the related mapping that is to be overridden.
- Default value
-
None
(b) joinColumns element
- Type
-
JoinColumn[]
- Description
-
This element specifies an array of @JoinColumn.
The definition of the mapped superclass or embedded class is applied as the mapping type.
You can specify the value within the specifiable range of the arrays of @JoinColumn. For details, see 8.12.24 @JoinColumn.
- Default value
-
None