Do not use index time boosting, please. When something is deprecated,
the usual process is that that functionality is supported for one
major version after deprecation, then the devs are free to remove it.
Index time boosting is not supported in 7.0 even though it is in 6x,
from CHANGES.txt, the 7.0 section

Index-time boosts are not supported anymore. If any boosts are
provided, they  will be ignored by the indexing chain

So any work you put in to this will have to be re-done the first time
you upgrade.

As for what class calculates the score, it's complicated ;). It's
often easiest to add &debug=true&debug.explain.structured=true to your
query and you'll see how the score is calculated.


On Tue, Nov 14, 2017 at 5:33 AM, Venkateswarlu Bommineni