/// <summary>
/// Writes a decimal to a protobuf stream
/// </summary>
public static void WriteDecimal(decimal value, ProtoWriter writer)
{
var dec = new DecimalAccessor(value);
ulong a = ((ulong)dec.Mid) << 32, b = ((ulong)dec.Lo) & 0xFFFFFFFFL;
ulong low = a | b;
uint high = (uint)dec.Hi;
uint signScale = (uint)(((dec.Flags >> 15) & 0x01FE) | ((dec.Flags >> 31) & 0x0001));
SubItemToken token = ProtoWriter.StartSubItem(null, writer);
if (low != 0)
{
ProtoWriter.WriteFieldHeader(FieldDecimalLow, WireType.Variant, writer);
ProtoWriter.WriteUInt64(low, writer);
}
if (high != 0)
{
ProtoWriter.WriteFieldHeader(FieldDecimalHigh, WireType.Variant, writer);
ProtoWriter.WriteUInt32(high, writer);
}
if (signScale != 0)
{
ProtoWriter.WriteFieldHeader(FieldDecimalSignScale, WireType.Variant, writer);
ProtoWriter.WriteUInt32(signScale, writer);
}
ProtoWriter.EndSubItem(token, writer);
}
internal static decimal SetScale(decimal value, int scale)
{
var dec = new DecimalAccessor(value)
{
Scale = (uint)scale
};
return(dec.Decimal);
}
public static int EncodeDecimal32(decimal value, int targetPrecision, int targetScale)
{
var dec = new DecimalAccessor(value);
int scale = (int)dec.Scale;
CheckConditions(value, scale, targetPrecision, targetScale);
int scaleAdjustment = targetScale - scale;
uint maxValue = PowerOf10Int32(targetPrecision - scaleAdjustment) - 1;
uint unscaledValue = dec.Low;
if (dec.High > 0 || dec.Mid > 0 || unscaledValue > maxValue)
{
ThrowValueTooBig(value, targetPrecision);
}
uint factor = PowerOf10Int32(scaleAdjustment);
int result = (int)(unscaledValue * factor);
return(dec.IsNegative ? result * -1 : result);
}
public static KuduInt128 EncodeDecimal128(decimal value, int targetPrecision, int targetScale)
{
var dec = new DecimalAccessor(value);
var scale = (int)dec.Scale;
CheckConditions(value, scale, targetPrecision, targetScale);
int scaleAdjustment = targetScale - scale;
var maxValue = KuduInt128.PowerOf10(targetPrecision - scaleAdjustment) - 1;
var unscaledValue = new KuduInt128(dec.Low, dec.Mid, dec.High, 0);
if (unscaledValue > maxValue)
{
ThrowValueTooBig(value, targetPrecision);
}
var factor = KuduInt128.PowerOf10(scaleAdjustment);
var result = unscaledValue * factor;
return(dec.IsNegative ? result.Negate() : result);
}
public static long EncodeDecimal64(decimal value, int targetPrecision, int targetScale)
{
var dec = new DecimalAccessor(value);
int scale = (int)dec.Scale;
CheckConditions(value, scale, targetPrecision, targetScale);
int scaleAdjustment = targetScale - scale;
ulong maxValue = PowerOf10Int64(targetPrecision - scaleAdjustment) - 1;
ulong unscaledValue = ToLong(dec.Low, dec.Mid);
if (dec.High > 0 || unscaledValue > maxValue)
{
ThrowValueTooBig(value, targetPrecision);
}
ulong factor = PowerOf10Int64(scaleAdjustment);
long result = (long)(unscaledValue * factor);
return(dec.IsNegative ? result * -1 : result);
}
void ISerializer <decimal> .Write(ref ProtoWriter.State state, decimal value)
{
ulong low;
uint high, signScale;
if (s_decimalOptimized) // the JIT should remove the non-preferred implementation, at least on modern runtimes
{
var dec = new DecimalAccessor(value);
ulong a = ((ulong)dec.Mid) << 32, b = ((ulong)dec.Lo) & 0xFFFFFFFFL;
low = a | b;
high = (uint)dec.Hi;
signScale = (uint)(((dec.Flags >> 15) & 0x01FE) | ((dec.Flags >> 31) & 0x0001));
}
else
{
int[] bits = decimal.GetBits(value);
ulong a = ((ulong)bits[1]) << 32, b = ((ulong)bits[0]) & 0xFFFFFFFFL;
low = a | b;
high = (uint)bits[2];
signScale = (uint)(((bits[3] >> 15) & 0x01FE) | ((bits[3] >> 31) & 0x0001));
}
if (low != 0)
{
state.WriteFieldHeader(FieldDecimalLow, WireType.Varint);
state.WriteUInt64(low);
}
if (high != 0)
{
state.WriteFieldHeader(FieldDecimalHigh, WireType.Varint);
state.WriteUInt32(high);
}
if (signScale != 0)
{
state.WriteFieldHeader(FieldDecimalSignScale, WireType.Varint);
state.WriteUInt32(signScale);
}
}
private void InitInfo(Type modelType)
{
accessorDict = new Dictionary <string, Accessor>();
var Properties = TypeCache.GetTable(modelType).Fields;
foreach (var kv in Properties)
{
Accessor accessor = null;
var prop = kv.GetPropertyInfo();
string propName = prop.Name.ToUpper();
var propType = prop.PropertyType;
if (propType.IsEnum)
{
propType = propType.GetEnumUnderlyingType();
}
if (typeof(string) == propType)
{
accessor = new StringAccessor(prop);
}
else if (typeof(int) == propType)
{
accessor = new IntAccessor(prop);
}
else if (typeof(int?) == propType)
{
accessor = new IntNullableAccessor(prop);
}
else if (typeof(DateTime) == propType)
{
accessor = new DateTimeAccessor(prop);
}
else if (typeof(DateTime?) == propType)
{
accessor = new DateTimeNullableAccessor(prop);
}
else if (typeof(long) == propType)
{
accessor = new LongAccessor(prop);
}
else if (typeof(long?) == propType)
{
accessor = new LongNullableAccessor(prop);
}
else if (typeof(float) == propType)
{
accessor = new FloatAccessor(prop);
}
else if (typeof(float?) == propType)
{
accessor = new FloatNullableAccessor(prop);
}
else if (typeof(double) == propType)
{
accessor = new DoubleAccessor(prop);
}
else if (typeof(double?) == propType)
{
accessor = new DoubleNullableAccessor(prop);
}
else if (typeof(Guid) == propType)
{
accessor = new GuidAccessor(prop);
}
else if (typeof(Guid?) == propType)
{
accessor = new GuidNullableAccessor(prop);
}
else if (typeof(short) == propType)
{
accessor = new ShortAccessor(prop);
}
else if (typeof(short?) == propType)
{
accessor = new ShortNullableAccessor(prop);
}
else if (typeof(byte) == propType)
{
accessor = new ByteAccessor(prop);
}
else if (typeof(byte?) == propType)
{
accessor = new ByteNullableAccessor(prop);
}
else if (typeof(char) == propType)
{
accessor = new CharAccessor(prop);
}
else if (typeof(char?) == propType)
{
accessor = new CharNullableAccessor(prop);
}
else if (typeof(decimal) == propType)
{
accessor = new DecimalAccessor(prop);
}
else if (typeof(decimal?) == propType)
{
accessor = new DecimalNullableAccessor(prop);
}
else if (typeof(byte[]) == propType)
{
accessor = new ByteArrayAccessor(prop);
}
else if (typeof(bool) == propType)
{
accessor = new BoolAccessor(prop);
}
else if (typeof(bool?) == propType)
{
accessor = new BoolNullableAccessor(prop);
}
else if (typeof(TimeSpan) == propType)
{
accessor = new TimeSpanAccessor(prop);
}
else if (typeof(TimeSpan?) == propType)
{
accessor = new TimeSpanNullableAccessor(prop);
}
accessorDict[propName] = accessor;
}
}
private void InitInfo()
{
accessorDict = new Dictionary <string, Accessor>(Properties.Length);
FieldAttrDict = new Dictionary <PropertyInfo, OrmFieldAttribute>(Properties.Length);
foreach (var prop in Properties)
{
Accessor accessor = null;
string propName = prop.Name.ToUpper();
var propType = prop.PropertyType;
if (propType.IsEnum)
{
propType = propType.GetEnumUnderlyingType();
}
if (typeof(string) == propType)
{
accessor = new StringAccessor(prop);
}
else if (typeof(int) == propType)
{
accessor = new IntAccessor(prop);
}
else if (typeof(int?) == propType)
{
accessor = new IntNullableAccessor(prop);
}
else if (typeof(DateTime) == propType)
{
accessor = new DateTimeAccessor(prop);
}
else if (typeof(DateTime?) == propType)
{
accessor = new DateTimeNullableAccessor(prop);
}
else if (typeof(long) == propType)
{
accessor = new LongAccessor(prop);
}
else if (typeof(long?) == propType)
{
accessor = new LongNullableAccessor(prop);
}
else if (typeof(float) == propType)
{
accessor = new FloatAccessor(prop);
}
else if (typeof(float?) == propType)
{
accessor = new FloatNullableAccessor(prop);
}
else if (typeof(double) == propType)
{
accessor = new DoubleAccessor(prop);
}
else if (typeof(double?) == propType)
{
accessor = new DoubleNullableAccessor(prop);
}
else if (typeof(Guid) == propType)
{
accessor = new GuidAccessor(prop);
}
else if (typeof(Guid?) == propType)
{
accessor = new GuidNullableAccessor(prop);
}
else if (typeof(short) == propType)
{
accessor = new ShortAccessor(prop);
}
else if (typeof(short?) == propType)
{
accessor = new ShortNullableAccessor(prop);
}
else if (typeof(byte) == propType)
{
accessor = new ByteAccessor(prop);
}
else if (typeof(byte?) == propType)
{
accessor = new ByteNullableAccessor(prop);
}
else if (typeof(char) == propType)
{
accessor = new CharAccessor(prop);
}
else if (typeof(char?) == propType)
{
accessor = new CharNullableAccessor(prop);
}
else if (typeof(decimal) == propType)
{
accessor = new DecimalAccessor(prop);
}
else if (typeof(decimal?) == propType)
{
accessor = new DecimalNullableAccessor(prop);
}
else if (typeof(byte[]) == propType)
{
accessor = new ByteArrayAccessor(prop);
}
else if (typeof(bool) == propType)
{
accessor = new BoolAccessor(prop);
}
else if (typeof(bool?) == propType)
{
accessor = new BoolNullableAccessor(prop);
}
else if (typeof(TimeSpan) == propType)
{
accessor = new TimeSpanAccessor(prop);
}
else if (typeof(TimeSpan?) == propType)
{
accessor = new TimeSpanNullableAccessor(prop);
}
accessorDict[propName] = accessor;
//自定义属性
var customerAttributes = prop.GetCustomAttributes(typeof(OrmFieldAttribute), false);
if (customerAttributes == null || customerAttributes.Length == 0)
{
FieldAttrDict[prop] = null;
}
else
{
FieldAttrDict[prop] = (OrmFieldAttribute)customerAttributes[0];
}
}
}
