| @Target(ElementType.TYPE) |
| @Retention(RetentionPolicy.RUNTIME) |
| public @interface DatastoreIdentity |
| { |
| /** |
| * Strategy to use when generating datastore identities |
| * @return Strategy to use when generating datastore identities |
| */ |
| IdGeneratorStrategy strategy() default IdGeneratorStrategy.UNSPECIFIED; |
| |
| /** Custom strategy to use to generate the value for the identity. |
| * If customStrategy is non-empty, then strategy must be UNSPECIFIED. |
| * @return the custom strategy |
| */ |
| String customStrategy() default ""; |
| |
| /** |
| * Name of sequence to use when the strategy involves sequences |
| * @return Name of sequence to use when the strategy involves sequences |
| */ |
| String sequence() default ""; |
| |
| /** |
| * Name of the column for the datastore identity |
| * @return Name of the column for the datastore identity |
| */ |
| String column() default ""; |
| |
| /** |
| * The column(s) making up the datastore identity. |
| * @return The column(s) making up the datastore identity. |
| */ |
| Column[] columns() default {}; |
| |
| /** Vendor extensions. |
| * @return the vendor extensions |
| */ |
| Extension[] extensions() default {}; |
| } |