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public static ConvertToSqlDouble ( object value ) : |
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| value | object | |
| return | ||
public override object ConvertValue(object?value)
{
if (null != value)
{
return(SqlConvert.ConvertToSqlDouble(value));
}
return(_nullValue);
}
public override object ConvertValue(object value)
{
if (value != null)
{
return(SqlConvert.ConvertToSqlDouble(value));
}
return(base.NullValue);
}
public override void Set(int record, object value)
{
_values[record] = SqlConvert.ConvertToSqlDouble(value);
}
// this should not be called for XmlSerialization
public static object ChangeType2(object value, StorageType stype, Type type, IFormatProvider formatProvider)
{
switch (stype)
{ // if destination is SQL type
case StorageType.SqlBinary:
return(SqlConvert.ConvertToSqlBinary(value));
case StorageType.SqlBoolean:
return(SqlConvert.ConvertToSqlBoolean(value));
case StorageType.SqlByte:
return(SqlConvert.ConvertToSqlByte(value));
case StorageType.SqlBytes:
return(SqlConvert.ConvertToSqlBytes(value));
case StorageType.SqlChars:
return(SqlConvert.ConvertToSqlChars(value));
case StorageType.SqlDateTime:
return(SqlConvert.ConvertToSqlDateTime(value));
case StorageType.SqlDecimal:
return(SqlConvert.ConvertToSqlDecimal(value));
case StorageType.SqlDouble:
return(SqlConvert.ConvertToSqlDouble(value));
case StorageType.SqlGuid:
return(SqlConvert.ConvertToSqlGuid(value));
case StorageType.SqlInt16:
return(SqlConvert.ConvertToSqlInt16(value));
case StorageType.SqlInt32:
return(SqlConvert.ConvertToSqlInt32(value));
case StorageType.SqlInt64:
return(SqlConvert.ConvertToSqlInt64(value));
case StorageType.SqlMoney:
return(SqlConvert.ConvertToSqlMoney(value));
case StorageType.SqlSingle:
return(SqlConvert.ConvertToSqlSingle(value));
case StorageType.SqlString:
return(SqlConvert.ConvertToSqlString(value));
/* case StorageType.SqlXml:
* if (DataStorage.IsObjectNull(value)) {
* return SqlXml.Null;
* }
* goto default;
*/
default: // destination is CLR
if ((DBNull.Value == value) || (null == value))
{
return(DBNull.Value);
}
Type valueType = value.GetType();
StorageType vtype = DataStorage.GetStorageType(valueType);
// destination is CLR
switch (vtype)
{ // and source is SQL type
case StorageType.SqlBinary:
case StorageType.SqlBoolean:
case StorageType.SqlByte:
case StorageType.SqlBytes:
case StorageType.SqlChars:
case StorageType.SqlDateTime:
case StorageType.SqlDecimal:
case StorageType.SqlDouble:
case StorageType.SqlGuid:
case StorageType.SqlInt16:
case StorageType.SqlInt32:
case StorageType.SqlInt64:
case StorageType.SqlMoney:
case StorageType.SqlSingle:
case StorageType.SqlString:
throw ExceptionBuilder.ConvertFailed(valueType, type);
default: // source is CLR type
if (StorageType.String == stype)
{ // destination is string
switch (vtype)
{ // source's type
case StorageType.Boolean:
return(((IConvertible)(bool)value).ToString(formatProvider));
case StorageType.Char:
return(((IConvertible)(char)value).ToString(formatProvider));
case StorageType.SByte:
return(((sbyte)value).ToString(formatProvider));
case StorageType.Byte:
return(((byte)value).ToString(formatProvider));
case StorageType.Int16:
return(((short)value).ToString(formatProvider));
case StorageType.UInt16:
return(((ushort)value).ToString(formatProvider));
case StorageType.Int32:
return(((int)value).ToString(formatProvider));
case StorageType.UInt32:
return(((uint)value).ToString(formatProvider));
case StorageType.Int64:
return(((long)value).ToString(formatProvider));
case StorageType.UInt64:
return(((ulong)value).ToString(formatProvider));
case StorageType.Single:
return(((float)value).ToString(formatProvider));
case StorageType.Double:
return(((double)value).ToString(formatProvider));
case StorageType.Decimal:
return(((decimal)value).ToString(formatProvider));
case StorageType.DateTime:
return(((DateTime)value).ToString(formatProvider));
//return XmlConvert.ToString((DateTime) value, XmlDateTimeSerializationMode.RoundtripKind);
case StorageType.TimeSpan:
return(XmlConvert.ToString((TimeSpan)value));
case StorageType.Guid:
return(XmlConvert.ToString((Guid)value));
case StorageType.String:
return((string)value);
case StorageType.CharArray:
return(new string((char[])value));
case StorageType.DateTimeOffset:
return(((DateTimeOffset)value).ToString(formatProvider));
case StorageType.BigInteger:
break;
default:
IConvertible iconvertible = (value as IConvertible);
if (null != iconvertible)
{
return(iconvertible.ToString(formatProvider));
}
// catch additional classes like Guid
IFormattable iformattable = (value as IFormattable);
if (null != iformattable)
{
return(iformattable.ToString(null, formatProvider));
}
return(value.ToString());
}
}
else if (StorageType.TimeSpan == stype)
{
// destination is TimeSpan
switch (vtype)
{
case StorageType.String:
return(XmlConvert.ToTimeSpan((string)value));
case StorageType.Int32:
return(new TimeSpan((int)value));
case StorageType.Int64:
return(new TimeSpan((long)value));
default:
return((TimeSpan)value);
}
}
else if (StorageType.DateTimeOffset == stype)
{ // destination is DateTimeOffset
return((DateTimeOffset)value);
}
else if (StorageType.String == vtype)
{ // if source is string
switch (stype)
{ // type of destination
case StorageType.String:
return((string)value);
case StorageType.Boolean:
if ("1" == (string)value)
{
return(true);
}
if ("0" == (string)value)
{
return(false);
}
break;
case StorageType.Char:
return(((IConvertible)(string)value).ToChar(formatProvider));
case StorageType.SByte:
return(((IConvertible)(string)value).ToSByte(formatProvider));
case StorageType.Byte:
return(((IConvertible)(string)value).ToByte(formatProvider));
case StorageType.Int16:
return(((IConvertible)(string)value).ToInt16(formatProvider));
case StorageType.UInt16:
return(((IConvertible)(string)value).ToUInt16(formatProvider));
case StorageType.Int32:
return(((IConvertible)(string)value).ToInt32(formatProvider));
case StorageType.UInt32:
return(((IConvertible)(string)value).ToUInt32(formatProvider));
case StorageType.Int64:
return(((IConvertible)(string)value).ToInt64(formatProvider));
case StorageType.UInt64:
return(((IConvertible)(string)value).ToUInt64(formatProvider));
case StorageType.Single:
return(((IConvertible)(string)value).ToSingle(formatProvider));
case StorageType.Double:
return(((IConvertible)(string)value).ToDouble(formatProvider));
case StorageType.Decimal:
return(((IConvertible)(string)value).ToDecimal(formatProvider));
case StorageType.DateTime:
return(((IConvertible)(string)value).ToDateTime(formatProvider));
//return XmlConvert.ToDateTime((string) value, XmlDateTimeSerializationMode.RoundtripKind);
case StorageType.TimeSpan:
return(XmlConvert.ToTimeSpan((string)value));
case StorageType.Guid:
return(XmlConvert.ToGuid((string)value));
case StorageType.Uri:
return(new Uri((string)value));
default: // other clr types,
break;
}
}
return(Convert.ChangeType(value, type, formatProvider));
}
}
}
override public void Set(int record, Object value)
{
values[record] = SqlConvert.ConvertToSqlDouble(value);
}