About property

forum_thread

Embedable & Reference?

Hi! I've got a situation I do not understand. Assume code like this: ... updated with the name but the referencing "thing" property in the TopLevelClass does still keep the old name why?? I was ...

 
forum_thread

Get multiple entities by Id

I'm trying to fetch a list of entities, by their Id. I Use this query: SELECT c FROM User c WHERE c.id IN :ids This querey works as long as I don't set the property "id" as @Id. If i set @Id to any other member, this query works, if I set id as @Id, it stops working and gives zero results. Is this a known limitation or a bug? Do you have any idea how to solve this problem? ... This querey works as long as I don't set the property "id" as @Id. If i set @Id to any other member, this query ...

 
forum_thread

JPA 2.1 and AttributeConverter

Hello :-). Are there any plans to support JPA 2.1? I would wish to have a support for @AttributeConverter. ... I would like to make own adapter for storing property, which is File and URL class. ...

 
api-jpa

JoinColumn.unique

(Optional) Whether the property is a unique key.(Annotation Element of javax.persistence.JoinColumn)

 
api-jpa

MapKeyJoinColumn.name

(Optional) The name of the foreign key column for the map key.(Annotation Element of javax.persistence.MapKeyJoinColumn)

 
api-jpa

javax.persistence.MapKeyJoinColumns

Supports composite map keys that reference entities.(Annotation of JPA)

 
api-jdo

getNontransactionalWrite()

If true, allows persistent instances to be written without a transaction active.(Method of javax.jdo.Transaction)

 
api-jpa

javax.persistence.PrimaryKeyJoinColumn

Specifies a primary key column that is used as a foreign key to join to another table.(Annotation of JPA)

 
api-jdo

setRetainValues(retainValues)

If true, at commit instances retain their values and the instances transition to persistent-nontransactional.(Method of javax.jdo.Transaction)

 
api-jdo

Constants.NONCONFIGURABLE_PROPERTY_VENDOR_NAME

Nonconfigurable property constanct "VendorName"(Static Field of javax.jdo.Constants)