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Database-related Generators

The following id generators make use of database features:

  • SequenceTableGenerator: Lets you read and increment values from database tables

SequenceTableGenerator

The SequenceTableGenerator lets you create unique long values from a database table. Depending on the entity count, this generator increase the sequence value in the database table based on the total number of entities.

Configuration

The SequenceTableGenerator requires the following configuration:

<key name="id" generator="SequenceTableGenerator('sourceDB')"/>

the sequence and the columns are retrieved based on the database connection in combination with the key name.