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/*******************************************************************************
 * Copyright (C) 2018, Antonin Delpeuch
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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package com.google.refine.clustering.knn;

/**
 * A function that computes a similarity distance between two strings.
 * 
 * This is introduced to provide a clean interface for extensions, independent of the library currently used (Simile
 * Vicino, unmaintained since 2010 as of December 2018).
 */
public interface SimilarityDistance {

    /**
     * Compute the distance between two strings. This should return 0 when the two arguments are equal, and rise as
     * their differences increase.
     */
    public double compute(String a, String b);
}