public enum GenerationType extends Enum<GenerationType>
GeneratedValue| Enum Constant and Description | 
|---|
| AUTOIndicates that the persistence provider should pick an 
 appropriate strategy for the particular database. | 
| IDENTITYIndicates that the persistence provider must assign 
 primary keys for the entity using a database identity column. | 
| SEQUENCEIndicates that the persistence provider must assign 
 primary keys for the entity using a database sequence. | 
| TABLEIndicates that the persistence provider must assign 
 primary keys for the entity using an underlying 
 database table to ensure uniqueness. | 
| Modifier and Type | Method and Description | 
|---|---|
| static GenerationType | valueOf(String name)Returns the enum constant of this type with the specified name. | 
| static GenerationType[] | values()Returns an array containing the constants of this enum type, in
the order they are declared. | 
public static final GenerationType TABLE
public static final GenerationType SEQUENCE
public static final GenerationType IDENTITY
public static final GenerationType AUTO
AUTO generation strategy may expect a database 
 resource to exist, or it may attempt to create one. A vendor 
 may provide documentation on how to create such resources 
 in the event that it does not support schema generation 
 or cannot create the schema resource at runtime.public static GenerationType[] values()
for (GenerationType c : GenerationType.values()) System.out.println(c);
public static GenerationType valueOf(String name)
name - the name of the enum constant to be returned.IllegalArgumentException - if this enum type has no constant with the specified nameNullPointerException - if the argument is nullCopyright © 2017. All Rights Reserved.