// BSD License (http://www.galagosearch.org/license)

 package org.galagosearch.core.scoring;

 /**

  *

  * @author trevor

  */

 public class LinearWeighting {

     double lambda;

     double background;

     /** Creates a new instance of LinearWeighting */

     public LinearWeighting(double lambda, double background) {

         this.lambda = lambda;

         this.background = background;

     }

     public double score(int count, int length) {

         double foreground = (double) count / (double) length;

         return (1 - lambda) * foreground + lambda * background;

     }

 }