MicroLite.Mapping.TableInfo.ValidateColumns C# (CSharp) Méthode

ValidateColumns() private méthode

private ValidateColumns ( ) : void
Résultat void
        private void ValidateColumns()
        {
            var duplicatedColumn = this.columns
                .GroupBy(c => c.ColumnName)
                .Select(x => new
                {
                    Key = x.Key,
                    Count = x.Count()
                })
                .FirstOrDefault(x => x.Count > 1);

            if (duplicatedColumn != null)
            {
                throw new MappingException(ExceptionMessages.TableInfo_ColumnMappedMultipleTimes.FormatWith(duplicatedColumn.Key));
            }

            if (this.columns.Count(c => c.IsIdentifier) > 1)
            {
                throw new MappingException(ExceptionMessages.TableInfo_MultipleIdentifierColumns.FormatWith(this.schema, this.name));
            }

            if (this.identifierStrategy == Mapping.IdentifierStrategy.Sequence
                && this.identifierColumn != null
                && string.IsNullOrEmpty(this.identifierColumn.SequenceName))
            {
                throw new MappingException(ExceptionMessages.TableInfo_SequenceNameNotSet.FormatWith(this.identifierColumn.ColumnName));
            }
        }