code: @Override
    public final void convert(final Map<String, Object> pAddParam,
      final Date pFrom, final ColumnsValues pTo,
        final String pName) throws Exception {
      Long value;
      if (pFrom == null) {
        value = null;
      } else {
        value = pFrom.getTime();
      }
      pTo.put(pName, value);
    }
docs: <p>Put Date object to ColumnsValues with transformation
  into Long.</p>
  @param pAddParam additional params, e.g. version algorithm or
  bean source class for generic converter that consume set of subtypes.
  @param pFrom from a Date object
  @param pTo to ColumnsValues
  @param pName by a name
  @throws Exception - an exception