Module org.seasar.doma.core

Package org.seasar.doma

Annotation Interface GeneratedValue

@Target(FIELD)
@Retention(RUNTIME)
public @interface GeneratedValue

Indicates a strategy to generate identifiers.

The annotated field must be a member of an Entity annotated class and the field must be annotated with Id.

The additional annotation is required according to the strategy value:

• the SequenceGenerator annotation is required, if GenerationType.SEQUENCE is specified.
• the TableGenerator annotation is required, if GenerationType.TABLE is specified.

 @Entity
 public class Employee {

     @Id
     @GeneratedValue(strategy = GenerationType.SEQUENCE)
     @SequenceGenerator(sequence = "EMPLOYEE_SEQ")
     Integer id;

     ...
 }
 

See Also:

• GenerationType
• SequenceGenerator
• TableGenerator

Required Element Summary

Required Elements

Modifier and Type	Required Element	Description
GenerationType	strategy

Element Details

strategy

GenerationType strategy

Returns:

the strategy for generating identifiers.