public static byte[] EncodeDefaultValue(ColumnSchema columnSchema, object value)
{
var type = columnSchema.Type;
return(type switch
{
KuduType.Int8 => EncodeInt8((sbyte)value),
KuduType.Int16 => EncodeInt16((short)value),
KuduType.Int32 => EncodeInt32((int)value),
KuduType.Int64 => EncodeInt64((long)value),
KuduType.String => EncodeString((string)value),
KuduType.Varchar => EncodeString((string)value),
KuduType.Bool => EncodeBool((bool)value),
KuduType.Float => EncodeFloat((float)value),
KuduType.Double => EncodeDouble((double)value),
KuduType.Binary => (byte[])value,
KuduType.UnixtimeMicros => EncodeDateTime((DateTime)value),
KuduType.Date => EncodeDate((DateTime)value),
KuduType.Decimal32 => EncodeDecimal32(
(decimal)value,
columnSchema.TypeAttributes !.Precision.GetValueOrDefault(),
columnSchema.TypeAttributes.Scale.GetValueOrDefault()),
KuduType.Decimal64 => EncodeDecimal64(
(decimal)value,
columnSchema.TypeAttributes !.Precision.GetValueOrDefault(),
columnSchema.TypeAttributes.Scale.GetValueOrDefault()),
KuduType.Decimal128 => EncodeDecimal128(
(decimal)value,
columnSchema.TypeAttributes !.Precision.GetValueOrDefault(),
columnSchema.TypeAttributes.Scale.GetValueOrDefault()),
_ => throw new Exception($"Unknown data type {type}"),
});
protected override int?GetNumericScale()
{
switch (PrecisionSource.GetValueOrDefault())
{
case 0:
return(Precision.GetValueOrDefault());
// When the precision is set to one (1), the Organization.PricingDecimalPrecision value is used.
case 1:
// todo need to support grabbing this info from the organization. For now just always using metadata.
return(Precision.GetValueOrDefault());
// When the precision is set to two (2), the TransactionCurrency.CurrencyPrecision value is used.
case 2:
// todo: need to grab this information from the transaction currency itself..!
return(Precision.GetValueOrDefault());
default:
return(Precision.GetValueOrDefault());
}
}
protected void OnKindChanged()
{
switch (Kind)
{
case IndexKind.Hash:
MinPrecision = 1;
MaxPrecision = 8;
if (Precision.GetValueOrDefault(3) > MaxPrecision)
{
Precision = 3;
}
break;
case IndexKind.Range:
MinPrecision = 1;
MaxPrecision = 100;
break;
case IndexKind.Spatial:
Precision = null;
break;
}
}
/// <summary>
/// Increments the column at the given index, returning false if the
/// value is already the maximum.
/// </summary>
/// <param name="index">The column index to increment.</param>
internal bool IncrementColumn(int index)
{
if (!IsSet(index))
{
throw new ArgumentException($"Column index {index} has not been set.");
}
ColumnSchema column = Schema.GetColumn(index);
if (column.IsFixedSize)
{
KuduType type = column.Type;
Span <byte> data = GetRowAllocColumn(index, column.Size);
switch (type)
{
case KuduType.Bool:
{
bool isFalse = data[0] == 0;
data[0] = 1;
return(isFalse);
}
case KuduType.Int8:
{
sbyte existing = KuduEncoder.DecodeInt8(data);
if (existing == sbyte.MaxValue)
{
return(false);
}
KuduEncoder.EncodeInt8(data, (sbyte)(existing + 1));
return(true);
}
case KuduType.Int16:
{
short existing = KuduEncoder.DecodeInt16(data);
if (existing == short.MaxValue)
{
return(false);
}
KuduEncoder.EncodeInt16(data, (short)(existing + 1));
return(true);
}
case KuduType.Int32:
{
int existing = KuduEncoder.DecodeInt32(data);
if (existing == int.MaxValue)
{
return(false);
}
KuduEncoder.EncodeInt32(data, existing + 1);
return(true);
}
case KuduType.Date:
{
int existing = KuduEncoder.DecodeInt32(data);
if (existing == EpochTime.MaxDateValue)
{
return(false);
}
KuduEncoder.EncodeInt32(data, existing + 1);
return(true);
}
case KuduType.Int64:
case KuduType.UnixtimeMicros:
{
long existing = KuduEncoder.DecodeInt64(data);
if (existing == long.MaxValue)
{
return(false);
}
KuduEncoder.EncodeInt64(data, existing + 1);
return(true);
}
case KuduType.Float:
{
float existing = KuduEncoder.DecodeFloat(data);
float incremented = existing.NextUp();
if (existing == incremented)
{
return(false);
}
KuduEncoder.EncodeFloat(data, incremented);
return(true);
}
case KuduType.Double:
{
double existing = KuduEncoder.DecodeDouble(data);
double incremented = existing.NextUp();
if (existing == incremented)
{
return(false);
}
KuduEncoder.EncodeDouble(data, incremented);
return(true);
}
case KuduType.Decimal32:
{
int existing = KuduEncoder.DecodeInt32(data);
int precision = column.TypeAttributes !.Precision.GetValueOrDefault();
if (existing == DecimalUtil.MaxDecimal32(precision))
{
return(false);
}
KuduEncoder.EncodeInt32(data, existing + 1);
return(true);
}
case KuduType.Decimal64:
{
long existing = KuduEncoder.DecodeInt64(data);
int precision = column.TypeAttributes !.Precision.GetValueOrDefault();
if (existing == DecimalUtil.MaxDecimal64(precision))
{
return(false);
}
KuduEncoder.EncodeInt64(data, existing + 1);
return(true);
}
case KuduType.Decimal128:
{
KuduInt128 existing = KuduEncoder.DecodeInt128(data);
int precision = column.TypeAttributes !.Precision.GetValueOrDefault();
if (existing == DecimalUtil.MaxDecimal128(precision))
{
return(false);
}
KuduEncoder.EncodeInt128(data, existing + 1);
return(true);
}
default:
throw new Exception($"Unsupported data type {type}");
}
}
else
{
// Column is either string, binary, or varchar.
ReadOnlySpan <byte> data = GetVarLengthColumn(index);
var incremented = new byte[data.Length + 1];
data.CopyTo(incremented);
WriteBinary(index, incremented);
return(true);
}
}
/// <summary>
/// Sets the column to the minimum possible value for the column's type.
/// </summary>
/// <param name="index">The index of the column to set to the minimum.</param>
internal void SetMin(int index)
{
ColumnSchema column = Schema.GetColumn(index);
KuduType type = column.Type;
switch (type)
{
case KuduType.Bool:
WriteBool(index, false);
break;
case KuduType.Int8:
WriteSByte(index, sbyte.MinValue);
break;
case KuduType.Int16:
WriteInt16(index, short.MinValue);
break;
case KuduType.Int32:
WriteInt32(index, int.MinValue);
break;
case KuduType.Date:
WriteInt32(index, EpochTime.MinDateValue);
break;
case KuduType.Int64:
case KuduType.UnixtimeMicros:
WriteInt64(index, long.MinValue);
break;
case KuduType.Float:
WriteFloat(index, float.MinValue);
break;
case KuduType.Double:
WriteDouble(index, double.MinValue);
break;
case KuduType.Decimal32:
WriteInt32(index, DecimalUtil.MinDecimal32(
column.TypeAttributes !.Precision.GetValueOrDefault()));
break;
case KuduType.Decimal64:
WriteInt64(index, DecimalUtil.MinDecimal64(
column.TypeAttributes !.Precision.GetValueOrDefault()));
break;
case KuduType.Decimal128:
{
KuduInt128 min = DecimalUtil.MinDecimal128(
column.TypeAttributes !.Precision.GetValueOrDefault());
Span <byte> span = GetSpanInRowAllocAndSetBitSet(index, 16);
KuduEncoder.EncodeInt128(span, min);
break;
}
case KuduType.String:
case KuduType.Varchar:
WriteString(index, string.Empty);
break;
case KuduType.Binary:
WriteBinary(index, Array.Empty <byte>());
break;
default:
throw new Exception($"Unsupported data type {type}");
}
}
private AxisPrintCoordinates GetPrintCoordinates(Size printArea, int offset)
{
Size actualyPrintArea = new Size(printArea.Width - offset, printArea.Height);
AxisPrintCoordinates c = new AxisPrintCoordinates();
c.offset = offset;
// minimum X coordinate (starts at zero)
c.minimumX = Margins.Left;
// maximum X coordinate
c.maximumX = actualyPrintArea.Width - Margins.Right;
// x range
c.rangeX = c.maximumX - c.minimumX;
// X offset from index
c.indexOffsetX = AxisIndexOffsetAmount;
// minimum Y coordinate
c.minimumY = (base.RangeStart * actualyPrintArea.Height) + Margins.Top;
// maximum Y coordinate
c.maximumY = (base.RangeEnd * actualyPrintArea.Height) - Margins.Bottom;
// y range
c.rangeY = c.maximumY - c.minimumY;
// X coordinate of the vertical axis line (all other y positions should be based off of this value)
c.axisVerticalLineX = (Position == YAxisPosition.Left) ?
c.maximumX - c.indexOffsetX :
c.indexOffsetX;
if (c.axisVerticalLineX < MinimumVerticalLineXOffset)
{
c.axisVerticalLineX = MinimumVerticalLineXOffset;
}
// effective tick widths
c.smallTickWidth = SmallTickWidth.HasValue ? SmallTickWidth.Value : DefaultSmallTickWidth;
c.largeTickWidth = LargeTickWidth.HasValue ? LargeTickWidth.Value : DefaultLargeTickWidth;
c.maximumTickWidth = (c.largeTickWidth > c.smallTickWidth) ? c.largeTickWidth : c.smallTickWidth;
// outermost x coordinate (away from vertical axis line) for all ticks
c.outermostTickX = (Position == YAxisPosition.Left) ?
c.axisVerticalLineX - c.maximumTickWidth :
c.axisVerticalLineX + c.maximumTickWidth;
// actual tick X coordinates
c.smallTickX = (Position == YAxisPosition.Left) ?
c.axisVerticalLineX - c.smallTickWidth :
c.axisVerticalLineX;
c.largeTickX = (Position == YAxisPosition.Left) ?
c.axisVerticalLineX - c.largeTickWidth :
c.axisVerticalLineX;
// horizontal margin between tick line and label
c.tickLineToLabelMargin = -2F;
c.smallLabelSize = TextRenderer.MeasureText((EffectiveMaximum).ToString(Format), SmallLabelFont);
c.largeLabelSize = TextRenderer.MeasureText((EffectiveMaximum).ToString(Format), LargeLabelFont);
c.maximumLablelWidth = (c.smallLabelSize.Width > c.largeLabelSize.Width) ?
c.smallLabelSize.Width :
c.largeLabelSize.Width;
// all labels are aligned vertically on the same Y coordinate.
c.labelX = (Position == YAxisPosition.Left) ?
c.outermostTickX - c.tickLineToLabelMargin - c.maximumLablelWidth :
c.outermostTickX + c.tickLineToLabelMargin;
var actualTitle = string.IsNullOrEmpty(Unit) ? Name : $"{Name} ({Unit})";
if (DrawTitleVertically)
{
Size horizontalSize = TextRenderer.MeasureText(actualTitle, AxisFont);
// flip horizontal size to vertical
c.titleSize = new Size(
horizontalSize.Height,
horizontalSize.Width);
}
else
{
c.titleSize = TextRenderer.MeasureText(actualTitle, AxisFont);
}
c.titleX = (Position == YAxisPosition.Left) ?
c.labelX - c.titleToLabelMargin - c.titleSize.Width :
c.labelX + c.titleToLabelMargin;
c.titleY = c.minimumY + ((c.maximumY - c.minimumY) / 2);
c.TitleLabel = new TitleLabel()
{
Text = actualTitle,
X = c.titleX,
Y = c.titleY
};
float valueRange = Math.Abs(EffectiveMaximum - EffectiveMinimum);
float largeStep = LargeStep.HasValue ? LargeStep.Value : (valueRange / 3);
float smallStep = SmallStep.HasValue ? SmallStep.Value : (largeStep / 3);
float startYPosition = InvertRange ? -EffectiveMaximum : EffectiveMinimum;
float maxYPosition = InvertRange ? -EffectiveMinimum : EffectiveMaximum;
float scalingRangeMinimum = InvertRange ? -c.maximumY : c.minimumY;
float scalingRangeMaximum = InvertRange ? -c.minimumY : c.maximumY;
float scalingValuesMinimum = InvertRange ? -EffectiveMinimum : EffectiveMinimum;
float scalingValuesMaximum = InvertRange ? -EffectiveMaximum : EffectiveMaximum;
for (float i = startYPosition; i < maxYPosition; i += largeStep)
{
var largeStepValue = i;
var largeScaledY = LineGraphHelper.Scale(scalingRangeMinimum, scalingRangeMaximum,
scalingValuesMinimum, scalingValuesMaximum, largeStepValue);
c.LargeTicks.Add(new Tick()
{
X = c.largeTickX,
Y = largeScaledY,
Width = LargeTickWidth.GetValueOrDefault(8)
});
c.LargeLabels.Add(new TickLabel()
{
X = c.labelX,
Y = largeScaledY - (LargeLabelFont.SizeInPoints),
Text = FormatLabel(Math.Abs(Math.Round(largeStepValue, Precision.GetValueOrDefault(2))))
});
for (float x = i + smallStep; x < i + largeStep; x += smallStep)
{
var smallStepValue = x;
var smallScaledY = LineGraphHelper.Scale(scalingRangeMinimum, scalingRangeMaximum,
scalingValuesMinimum, scalingValuesMaximum, smallStepValue);
c.SmallTicks.Add(new Tick()
{
X = c.smallTickX,
Y = smallScaledY,
Width = SmallTickWidth.GetValueOrDefault(4)
});
c.SmallLabels.Add(new TickLabel()
{
X = c.labelX,
Y = smallScaledY - (SmallLabelFont.SizeInPoints),
Text = FormatLabel(Math.Abs(Math.Round(smallStepValue, Precision.GetValueOrDefault(2))))
});
}
}
var lastScaledY = LineGraphHelper.Scale(scalingRangeMinimum, scalingRangeMaximum,
scalingValuesMinimum, scalingValuesMaximum, scalingValuesMaximum);
c.LargeTicks.Add(new Tick()
{
X = c.largeTickX,
Y = Math.Abs(InvertRange ? scalingRangeMinimum : scalingRangeMaximum),
Width = LargeTickWidth.GetValueOrDefault(8)
});
c.LargeLabels.Add(new TickLabel()
{
X = c.labelX,
Y = Math.Abs(InvertRange ? scalingRangeMinimum : scalingRangeMaximum) - (LargeLabelFont.SizeInPoints),
Text = FormatLabel(Math.Abs(InvertRange ? scalingValuesMinimum : scalingValuesMaximum))
});
return(c);
}
protected override int?GetNumericPrecision()
{
switch (PrecisionSource.GetValueOrDefault())
{
// When the precision is set to zero (0), the MoneyAttributeMetadata.Precision value is used.
case 0:
var numericPrecision = Math.Max(MinValue.ToString().Length, MaxValue.ToString().Length) + Precision.GetValueOrDefault();
return(numericPrecision);
// When the precision is set to one (1), the Organization.PricingDecimalPrecision value is used.
case 1:
// todo need to support grabbing this info from the organization. For now just always using metadata.
var orgPrecision = Math.Max(MinValue.ToString().Length, MaxValue.ToString().Length) + Precision.GetValueOrDefault();
return(orgPrecision);
// When the precision is set to two (2), the TransactionCurrency.CurrencyPrecision value is used.
case 2:
// todo: need to grab this information from the transaction currency itself..!
var currencyPrecision = Math.Max(MinValue.ToString().Length, MaxValue.ToString().Length) + Precision.GetValueOrDefault();
return(currencyPrecision);
default:
var defaultPrecision = Math.Max(MinValue.ToString().Length, MaxValue.ToString().Length) + Precision.GetValueOrDefault();
return(defaultPrecision);
}
}
