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@Target(value={TYPE,METHOD,FIELD}) @Retention(value=RUNTIME) public @interface SequenceGenerator
This annotation defines a primary key generator that may be referenced by name when a generator element is specified for the 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).
Required Element Summary | |
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String |
name
A unique generator name that can be referenced by one or more classes to be the generator for primary key values |
Optional Element Summary | |
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int |
allocationSize
The amount to increment by when allocating sequence numbers from the sequence |
int |
initialValue
The value from which the sequence object is to start generating |
String |
sequenceName
The name of the database sequence object from which to obtain primary key values Defaults to a provider-chosen value |
Element Detail |
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public abstract String name
public abstract String sequenceName
public abstract int initialValue
public abstract int allocationSize
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