src/main/java/jp/sourceforge/stigmata/birthmarks/comparators/CosineSimilarityBirthmarkComparatorService.java

   1 package jp.sourceforge.stigmata.birthmarks.comparators;
   2
   3 /*
   4  * $Id$
   5  */
   6
   7 import jp.sourceforge.stigmata.BirthmarkComparator;
   8 import jp.sourceforge.stigmata.spi.BirthmarkSpi;
   9
  10 /**
  11  * SPI of {@link BirthmarkComparator <code>BirthmarkComparator</code>}.
  12  * Comparing birthmarks by cosine similarity algorithm.
  13  *
  14  * @author Haruaki TAMADA
  15  */
  16 public class CosineSimilarityBirthmarkComparatorService extends AbstractBirthmarkComparatorService{
  17     /**
  18      * returns a type of the birthmark this service provides.
  19      */
  20     @Override
  21     public String getType(){
  22         return "cosine";
  23     }
  24
  25     @Override
  26     public String getComparatorClassName(){
  27         return CosineSimilarityBirthmarkComparator.class.getName();
  28     }
  29
  30     /**
  31      * returns a extractor for the birthmark of this service.
  32      */
  33     @Override
  34     public BirthmarkComparator getComparator(BirthmarkSpi service){
  35         return new CosineSimilarityBirthmarkComparator(service);
  36     }
  37 }
  38