javax.jdo.annotations.PrimaryKey - JDO annotation
javax.jdo.annotations
Annotation PrimaryKey
- Target:
- Classes and fields (including property get methods)
Annotation on a member to define it as a primary key member of a class or persistent interface using application identity. Also used to define the primary key columns of a secondary table. Corresponds to the xml element "primary-key".
- Since:
- JDO 2.1
String column
Name of the column to use for the primary key
- Returns:
- the name of the column to use for the primary key
- Default value:
- ""
- Since:
- JDO 2.1
The column(s) for the primary key
- Returns:
- the column(s) for the primary key
- Default value:
- {}
- Since:
- JDO 2.1
String name
Name of the primary key constraint
- Returns:
- the name of the primary key constraint
- Default value:
- ""
- Since:
- JDO 2.1
