Class FieldValueFactorFunction

java.lang.Object
org.elasticsearch.common.lucene.search.function.ScoreFunction
org.elasticsearch.common.lucene.search.function.FieldValueFactorFunction

public class FieldValueFactorFunction extends ScoreFunction
A function_score function that multiplies the score with the value of a field from the document, optionally multiplying the field by a factor first, and applying a modification (log, ln, sqrt, square, etc) afterwards.