Create filler methods for related objects
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Key: TORQUE-161
URL: https://issues.apache.org/jira/browse/TORQUE-161
Project: Torque
Issue Type: New Feature
Reporter: Thomas Fox
Assignee: Thomas Fox
Currently, foreing relations can be filled either by lazy loading or by
doSelectJoin... methods.
The former causes one db hit per object and the latter causes much unnecessary
data to be transferred if more than thwo related tables are filled.
Therefore, it should be possible to fill related objects by filler methods
which take a Collection of objects and load the objects related by a foreign
key.
The fill should happen by generating new filler methods in the peer classes. In
order not to bloat the public API, the generation of these methods can be
switched on by a generation option. The default is that the filler methods are
not created.
For example, if the Book table has a foreign key on the author table, the
methods Book.Peer.fillAuthors(List<Book>) and
AuthorPeer.fillBooks(List<Author>) should be generated. They return the list of
related objects, so cascaded filling is easy.
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