/// <summary>
        /// container selection by condition
        /// </summary>
        /// <returns></returns>
        protected ContainerLoadInfo GetToBeRemovedContainerLoadInfo()
        {
            var r = ContainerTable.SelectContainerByCondition();

            if (r == null)
            {
                return(null);
            }
            else
            {
                return(r.GetContainerPredictedLoadInfo());
            }
        }