Package jakarta.persistence
Annotation Type SequenceGenerator
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@Repeatable(SequenceGenerators.class) @Target({TYPE,METHOD,FIELD}) @Retention(RUNTIME) public @interface SequenceGenerator
Defines a primary key generator that may be referenced by name when a generator element is specified for theGeneratedValue
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)
- Since:
- 1.0
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Optional Element Summary
Optional Elements Modifier and Type Optional Element 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.
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Element Detail
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name
String name
(Required) A unique generator name that can be referenced by one or more classes to be the generator for primary key values.
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sequenceName
String sequenceName
(Optional) The name of the database sequence object from which to obtain primary key values.Defaults to a provider-chosen value.
- Default:
- ""
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catalog
String catalog
(Optional) The catalog of the sequence generator.- Since:
- 2.0
- Default:
- ""
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schema
String schema
(Optional) The schema of the sequence generator.- Since:
- 2.0
- Default:
- ""
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