protected String shortName() {
    String base = getClass().getName();
    int dot = base.lastIndexOf('.');
    if (dot == -1) {
      return base;
    }
    return base.substring(dot + 1);
  }
Override to execute custom code after {@link #finished}. This will be invoked only once for
each ReplyProcessor21.
geode-core/src/main/java/org/apache/geode/distributed/internal/ReplyProcessor21.java