public void destroy(){
  try {
    raf.close();
  }
 catch (  IOException e) {
    if (!file.delete())     log.warn("Could not delete file: " + file);
  }
}

public void destroy ( ) { try { raf . close ( ) ; } catch ( IOException e ) { if ( ! file . delete ( ) ) log . warn ( "Could not delete file: " + file ) ; } }
hook used by the unit tests to destroy their test files .
