| for implementation of callback evaluations.
To constrain a
Query node with your own callback
Evaluation, construct an object that implements the
Evaluation interface and register it by passing it
to
Query.constrain(Object) Query#constrain(Object) .
Evaluations are called as the last step during query execution,
after all other constraints have been applied. Evaluations in higher
level
Query nodes in the query graph are called first.
|