Generate huge xml from java objects with camel

Question

I try to generate a huge xml with Camel from java objects (from a database).

Is there a way to do this with a camel route, loading data from database to objects, marshalling them to xml and streaming to a file, in order to minimize memory usage ?

I found many examples to split a huge xml file and insert data to database, but not the contrary.

The xml file to generate is similar to this :

<root>
  <libraryHeader>
    <field></field>
    <field></field>
    ...
  </libraryHeader>
  <books>
    <book>... <field></field> ...</book>
    <book>... <field></field> ...</book>
    ... 
  </books>
</root>

Thank you very much for your advices