@Target(value={TYPE,METHOD,FIELD}) @Retention(value=RUNTIME) public @interface SequenceGenerator
GeneratedValue
annotation. A sequence generator may be specified on the entity class or on the
primary key field or property. The scope of the generator name is global to the persistence unit (across
all generator types).
Example: @SequenceGenerator(name="EMP_SEQ", allocationSize=25)
Modifier and Type | Required Element and Description |
---|---|
String |
name
(Required) A unique generator name that can be referenced by one or more classes to be the generator
for primary key values.
|
Modifier and Type | Optional Element and Description |
---|---|
int |
allocationSize
(Optional) The amount to increment by when allocating sequence numbers from the sequence.
|
String |
catalog
(Optional) The catalog of the sequence generator.
|
int |
initialValue
(Optional) The value from which the sequence object is to start generating.
|
String |
schema
(Optional) The schema of the sequence generator.
|
String |
sequenceName
(Optional) The name of the database sequence object from which to obtain primary key values.
|
public abstract String name
public abstract String sequenceName
Defaults to a provider-chosen value.
public abstract String catalog
public abstract String schema
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