public int CompareOrder(RecordRow row, List <OrderByArgument> orderBy)
{
int result = 0;
foreach (OrderByArgument oba in orderBy)
{
switch (_columns[oba.AttributeName].DataType)
{
case ColumnDataType.Bool:
result = ((bool)this.GetColumnValue(oba.AttributeName)).CompareTo(((bool)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.Byte:
result = ((byte)this.GetColumnValue(oba.AttributeName)).CompareTo(((byte)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.Char:
result = ((char)this.GetColumnValue(oba.AttributeName)).CompareTo(((char)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.DateTime:
result = ((DateTime)this.GetColumnValue(oba.AttributeName)).CompareTo(((DateTime)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.Decimal:
result = ((decimal)this.GetColumnValue(oba.AttributeName)).CompareTo(((decimal)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.Double:
result = ((double)this.GetColumnValue(oba.AttributeName)).CompareTo(((double)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.Float:
result = ((float)this.GetColumnValue(oba.AttributeName)).CompareTo(((float)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.Int16:
result = ((Int16)this.GetColumnValue(oba.AttributeName)).CompareTo(((Int16)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.Int32:
result = ((Int32)this.GetColumnValue(oba.AttributeName)).CompareTo(((Int32)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.Int64:
result = ((Int64)this.GetColumnValue(oba.AttributeName)).CompareTo(((Int64)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.SByte:
result = ((sbyte)this.GetColumnValue(oba.AttributeName)).CompareTo(((sbyte)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.String:
result = ((string)this.GetColumnValue(oba.AttributeName)).CompareTo(((string)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.UInt16:
result = ((UInt16)this.GetColumnValue(oba.AttributeName)).CompareTo(((UInt16)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.UInt32:
result = ((UInt32)this.GetColumnValue(oba.AttributeName)).CompareTo(((UInt32)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.UInt64:
result = ((UInt64)this.GetColumnValue(oba.AttributeName)).CompareTo(((UInt64)row.GetColumnValue(oba.AttributeName)));
break;
case ColumnDataType.CompressedValueEntry:
case ColumnDataType.Object:
break;
}
if (result != 0)
{
if (oba.Order == Order.DESC)
{
result = -result;
}
break;
}
}
return(result);
}
