Client and backend. This class is shared: the same code is compiled into your app and into your server, so everything on this page works in both.
@Retention(CLASS) @Target({FIELD})
public @interface GeneratedValue
Overrides the legacy Id.autoIncrement strategy for this identifier.
Methods
public abstract GenerationType strategy() default GenerationType.IDENTITY | Chooses identifier generation, overriding Id.autoIncrement. |
public abstract String generator() default "" | Names the counter used by SEQUENCE or TABLE generation. |
Method details
strategy
public abstract GenerationType strategy() default GenerationType.IDENTITYChooses identifier generation, overriding Id.autoIncrement.
Generated composite identifiers are not supported.
Returns
generation strategy; IDENTITY by default
generator
public abstract String generator() default ""Names the counter used by SEQUENCE or TABLE generation.
Returns
counter name; empty derives a name from the table and key column