org.snapscript.core.convert.Score Maven / Gradle / Ivy

package org.snapscript.core.convert;

public class Score implements Comparable {
   
   public static final Score EXACT = new Score(100, true);
   public static final Score SIMILAR = new Score(70, true);
   public static final Score COMPATIBLE = new Score(20, true);
   public static final Score TRANSIENT = new Score(20, false);
   public static final Score POSSIBLE = new Score(10, true);
   public static final Score INVALID = new Score(0, true);
   
   public static Score sum(Score left, Score right) {
      return new Score(left.score + right.score, left.cache && right.cache);
   }
   
   public static Score average(Score left, Score right) {
      return new Score((left.score + right.score) / 2, left.cache && right.cache);
   }

   private final boolean cache;
   private final Double score;
   
   public Score(double score) {
      this(score, true);
   }
   
   public Score(double score, boolean cache) {
      this.score = score;
      this.cache = cache;
   }
   
   public double getScore() {
      return score;
   }
   
   public boolean isAbsolute() {
      return cache;
   }

   public boolean isExact() {
      return score >= EXACT.score; 
   }
   
   public boolean isCompatible() {
      return score >= COMPATIBLE.score; 
   }
   
   public boolean isSimilar() {
      return score >= SIMILAR.score; 
   }
   
   public boolean isInvalid() {
      return score <= INVALID.score;
   }
   
   public boolean isValid() {
      return score > INVALID.score;
   }
   
   @Override
   public int compareTo(Score other) {
      return score.compareTo(other.score);
   }
   
   @Override
   public String toString() {
      return score.toString();
   }
}