code: private Object deserializeColumn(String fieldName, byte[] family,
        byte[] qualifier, Result result) {
      byte[] bytes = result.getValue(family, qualifier);
      if (bytes == null) {
        return getDefaultValue(fieldName);
      } else {
        return deserializeColumnValueFromBytes(fieldName, bytes);
      }
    }
docs: Deserialize the entity field that has a column mapping.
  
  @param fieldName
  The name of the entity's field we are deserializing.
  @param family
  The column family this field is mapped to
  @param qualifier
  The column qualifier this field is mapped to
  @param result
  The HBase Result that represents a row in HBase.
  @return The deserialized field value