newFeatureSort
Creates a SortField for sorting by the value of a feature.
This sort orders documents by descending value of a feature. The value returned in [ ] for the hits contains a Float instance with the feature value.
If a document is missing the field, then it is treated as having a value of 0.0f * .
Return
SortField ordering documents by the value of the feature
Parameters
field
field name. Must not be null.
featureName
feature name. Must not be null.
Throws
if field or featureName is null.