org.apache.lucene.search.spell

Class JaroWinklerDistance

    • Method Detail

      • getDistance

        public float getDistance(String s1,
                                 String s2)
        Description copied from interface: StringDistance
        Returns a float between 0 and 1 based on how similar the specified strings are to one another. Returning a value of 1 means the specified strings are identical and 0 means the string are maximally different.
        Specified by:
        getDistance in interface StringDistance
        Parameters:
        s1 - The first string.
        s2 - The second string.
        Returns:
        a float between 0 and 1 based on how similar the specified strings are to one another.
      • setThreshold

        public void setThreshold(float threshold)
        Sets the threshold used to determine when Winkler bonus should be used. Set to a negative value to get the Jaro distance.
        Parameters:
        threshold - the new value of the threshold
      • getThreshold

        public float getThreshold()
        Returns the current value of the threshold used for adding the Winkler bonus. The default value is 0.7.
        Returns:
        the current value of the threshold