source: proiecte/HadoopA51/src/java/ro/pub/cs/pp/a51hadoop/algorithm/testing/DigitHashfn.java @ 166

package ro.pub.cs.pp.a51hadoop.algorithm.testing;

import ro.pub.cs.pp.a51hadoop.algorithm.Hashfn;

/*
 * Apply a hash function on a given string.
 */
public class DigitHashfn implements Hashfn
{
        public String hashfn(String txt)
        {
                /*
                 * This simple hashfn only exchanges the two halves of
                 * a string and returns their new combination.
                 *
                 * This is used only in the testing phase to check
                 * whether the rest of the framework works correclty.
                 */
                return txt.substring(txt.length() / 2, txt.length()) +
                        txt.substring(0, txt.length() / 2);
        }
}