//
// SqlDataRecord public API
//
public SqlDataRecord(params SqlMetaData[] metaData)
{
// Initial consistency check
if (null == metaData)
{
throw ADP.ArgumentNull("metadata");
}
_columnMetaData = new SqlMetaData[metaData.Length];
_columnSmiMetaData = new SmiExtendedMetaData[metaData.Length];
for (int i = 0; i < _columnSmiMetaData.Length; i++)
{
if (null == metaData[i])
{
throw ADP.ArgumentNull("metadata[" + i + "]");
}
_columnMetaData[i] = metaData[i];
_columnSmiMetaData[i] = MetaDataUtilsSmi.SqlMetaDataToSmiExtendedMetaData(_columnMetaData[i]);
}
_eventSink = new SmiEventSink_Default();
_recordBuffer = new MemoryRecordBuffer(_columnSmiMetaData);
_usesStringStorageForXml = true;
_eventSink.ProcessMessagesAndThrow();
}
//
// ISqlUpdateableRecord Implementation
//
public virtual int SetValues(params object[] values)
{
EnsureSubclassOverride();
if (null == values)
{
throw ADP.ArgumentNull("values");
}
// Allow values array longer than FieldCount, just ignore the extra cells.
int copyLength = (values.Length > FieldCount) ? FieldCount : values.Length;
ExtendedClrTypeCode[] typeCodes = new ExtendedClrTypeCode[copyLength];
// Verify all data values as acceptable before changing current state.
for (int i = 0; i < copyLength; i++)
{
SqlMetaData metaData = GetSqlMetaData(i);
typeCodes[i] = MetaDataUtilsSmi.DetermineExtendedTypeCodeForUseWithSqlDbType(
metaData.SqlDbType, false /* isMultiValued */, values[i]
);
if (ExtendedClrTypeCode.Invalid == typeCodes[i])
{
throw ADP.InvalidCast();
}
}
// Now move the data (it'll only throw if someone plays with the values array between
// the validation loop and here, or if an invalid UDT was sent).
for (int i = 0; i < copyLength; i++)
{
ValueUtilsSmi.SetCompatibleValueV200(_eventSink, _recordBuffer, i, GetSmiMetaData(i), values[i], typeCodes[i], 0, 0, null);
}
return(copyLength);
}
public virtual void SetValue(int ordinal, object value)
{
EnsureSubclassOverride();
SqlMetaData metaData = GetSqlMetaData(ordinal);
ExtendedClrTypeCode typeCode = MetaDataUtilsSmi.DetermineExtendedTypeCodeForUseWithSqlDbType(
metaData.SqlDbType, false /* isMultiValued */, value
);
if (ExtendedClrTypeCode.Invalid == typeCode)
{
throw ADP.InvalidCast();
}
ValueUtilsSmi.SetCompatibleValueV200(_eventSink, _recordBuffer, ordinal, GetSmiMetaData(ordinal), value, typeCode, 0, 0, null);
}
internal SqlDataRecord(SmiRecordBuffer recordBuffer, params SmiExtendedMetaData[] metaData)
{
Debug.Assert(null != recordBuffer, "invalid attempt to instantiate SqlDataRecord with null SmiRecordBuffer");
Debug.Assert(null != metaData, "invalid attempt to instantiate SqlDataRecord with null SmiExtendedMetaData[]");
_columnMetaData = new SqlMetaData[metaData.Length];
_columnSmiMetaData = new SmiExtendedMetaData[metaData.Length];
for (int i = 0; i < _columnSmiMetaData.Length; i++)
{
_columnSmiMetaData[i] = metaData[i];
_columnMetaData[i] = MetaDataUtilsSmi.SmiExtendedMetaDataToSqlMetaData(_columnSmiMetaData[i]);
}
_eventSink = new SmiEventSink_Default();
_recordBuffer = recordBuffer;
_eventSink.ProcessMessagesAndThrow();
}
