How to use

decompose

method

in

org.apache.cassandra.db.marshal.ListType

return listType.decompose((List) value).array();

private static byte[] compose(Object value, Class clazz, Class<?> mapGenericClassses)
{
  Class<?> valueValidationClass = CassandraValidationClassMapper.getValidationClassInstance(
      mapGenericClassses, true);
  Object valueClassInstance;
  try
  {
    valueClassInstance = valueValidationClass.getDeclaredField("instance").get(null);
    ListType listType = ListType.getInstance((AbstractType) valueClassInstance);
    return listType.decompose((List) value).array();
  }
  catch (Exception e)
  {
    log.error("Error while retrieving field{} value via CQL, Caused by: .", clazz.getSimpleName(), e);
    throw new PersistenceException(e);
  }
}