Let's say Factory.java and Product.java are entity classes.
There is a one-to-many unidirectional relationship from Factory to Product.
| @Entity
| public class Factory implements Serializable {
| @Id
| private Long id;
|
| // This is a collection of Product ids. How to map this???
| private List<Long> productIds;
| ......
| }
|
| @Entity
| public class Product implements Serializable {
|
| @Id
| private Long id;
| ......
| }
|
My question is: how to write the mapping metadata for Factory.productIds?
(I know List< Long > can't be persisted. But how can JPA solve this simple
case?)
TIA.
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