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## org.hibernate.id
Class SequenceIdentityGenerator

    java.lang.Object
      org.hibernate.id.SequenceGenerator
          org.hibernate.id.SequenceIdentityGenerator

All Implemented Interfaces:
  BulkInsertionCapableIdentifierGenerator, Configurable, IdentifierGenerator, PersistentIdentifierGenerator, PostInsertIdentifierGenerator

    public class SequenceIdentityGenerator

extends SequenceGenerator
implements PostInsertIdentifierGenerator

A generator which combines sequence generation with immediate retrieval through JDBC3 `getGeneratedKeys`. In this respect it works much like ANSI-SQL IDENTITY generation.

This generator only known to work with newer Oracle drivers compiled for JDK 1.4 (JDBC3).

Note: Due to a bug in Oracle drivers, sql comments on these insert statements are completely disabled.

Nested Class Summary
`static class` | `SequenceIdentityGenerator.Delegate`
`static class` | `SequenceIdentityGenerator.NoCommentsInsert`

Field Summary

Fields inherited from class org.hibernate.id.SequenceGenerator
`PARAMETERS, SEQUENCE`

Fields inherited from interface org.hibernate.id.IdentifierGenerator
`ENTITY_NAME`

Fields inherited from interface org.hibernate.id.PersistentIdentifierGenerator
`CATALOG, IDENTIFIER_NORMALIZER, PK, SCHEMA, TABLE, TABLES`

Constructor Summary
`SequenceIdentityGenerator()`

Method Summary
`void` | `configure(Type type, Properties params, Dialect dialect)` Configure this instance, given the value of parameters specified by the user as `<param>` elements.
`Serializable` | `generate(SessionImplementor s, Object obj)` Generate a new identifier.
`InsertGeneratedIdentifierDelegate` | `getInsertGeneratedIdentifierDelegate(PostInsertIdentityPersister persister, Dialect dialect, boolean isGetGeneratedKeysEnabled)`

Methods inherited from class org.hibernate.id.SequenceGenerator
`buildHolder, determineBulkInsertionIdentifierGenerationSelectFragment, generateHolder, generatorKey, getIdentifierType, getSequenceName, sqlCreateStrings, sqlDropStrings, supportsBulkInsertionIdentifierGeneration`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### SequenceIdentityGenerator

    public SequenceIdentityGenerator()

Method Detail

### generate

    public Serializable generate(SessionImplementor s,
                                 Object obj)

  Description copied from interface: `IdentifierGenerator`
  Generate a new identifier.

  Specified by:
    `generate` in interface `IdentifierGenerator`
  Overrides:
    `generate` in class `SequenceGenerator`
    `obj` - the entity or toplevel collection for which the id is being generated
  Returns:
    a new identifier

### getInsertGeneratedIdentifierDelegate

    public InsertGeneratedIdentifierDelegate getInsertGeneratedIdentifierDelegate(PostInsertIdentityPersister persister,
                                                                                  Dialect dialect,
                                                                                  boolean isGetGeneratedKeysEnabled)
                                                                           throws HibernateException

  Specified by:
    `getInsertGeneratedIdentifierDelegate` in interface `PostInsertIdentifierGenerator`
  Throws:
    `HibernateException`

### configure

    public void configure(Type type,
                          Properties params,
                          Dialect dialect)
                   throws MappingException

  Description copied from interface: `Configurable`
  Configure this instance, given the value of parameters specified by the user as `<param>` elements. This method is called just once, following instantiation.

  Specified by:
    `configure` in interface `Configurable`
  Overrides:
    `configure` in class `SequenceGenerator`
    `params` - param values, keyed by parameter name
  Throws:
    `MappingException`

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