org.datanucleus.api.jpa.annotations

Annotation Type DatastoreIdentity

@Target(value=TYPE)
@Retention(value=RUNTIME)
public @interface DatastoreIdentity

Extension annotation allowing for use of datastore-identity with JPA.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
String	column Name of the column to use for datastore identity.
javax.persistence.GenerationType	generationType Strategy for generating values for the datastore identity.
String	generator Name of the generator to use (if using generationType of TABLE or SEQUENCE).

Element Detail

generationType

public abstract javax.persistence.GenerationType generationType

Strategy for generating values for the datastore identity.

Default:

javax.persistence.GenerationType.AUTO

generator

public abstract String generator

Name of the generator to use (if using generationType of TABLE or SEQUENCE).

Default:

""

column

public abstract String column

Name of the column to use for datastore identity.

Default:

""