/**
 * Secret: input mechanism, from file to storage.
 * 
 * @author Alexander Schaap
 * 
 * @param <T>
 *          type of the word
 * 
 */
public interface InputInterface<T extends Comparable<T>> {
  /**
   * Parses a file at the given location using the specified wordCommand to
   * generate words of type T, and stores the parsed contents into the given
   * storage.
   * 
   * @param filename
   *          location of file to be parsed
   */
  public void parse(String filename);

  /**
   * Sets the WordCommand to be used when parsing.
   * 
   * @param wc
   *          command to generate words of a type specified by the caller of
   *          parse
   */
  public void setWordCommand(WordCommandInterface<?> wc);

  /**
   * Sets the LineStorage to store parsed lines into.
   * 
   * @param ls
   *          LineStorage instance to be used
   */
  public void connect(
      StorageInterface<StorageInterface<WordInterface<?>>> ls);
}