Package javax.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 theGeneratedValueannotation. 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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Required Element Summary
Required Elements Modifier and Type Required Element Description java.lang.Stringname(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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Optional Element Summary
Optional Elements Modifier and Type Optional Element Description intallocationSize(Optional) The amount to increment by when allocating sequence numbers from the sequence.java.lang.Stringcatalog(Optional) The catalog of the sequence generator.intinitialValue(Optional) The value from which the sequence object is to start generating.java.lang.Stringschema(Optional) The schema of the sequence generator.java.lang.StringsequenceName(Optional) The name of the database sequence object from which to obtain primary key values.
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