public ObjectID Read(IDataReader dataReader)
{
ArgumentUtility.CheckNotNull("dataReader", dataReader);
if (dataReader.Read())
{
return((ObjectID)_idProperty.CombineValue(new ColumnValueReader(dataReader, _columnOrdinalProvider)));
}
else
{
return(null);
}
}
public object CombineValue(IColumnValueProvider columnValueProvider)
{
ArgumentUtility.CheckNotNull("columnValueProvider", columnValueProvider);
var value = _valueProperty.CombineValue(columnValueProvider);
var classID = (string)_classIDProperty.CombineValue(columnValueProvider);
if (value == null)
{
if (classID != null)
{
throw new RdbmsProviderException(
string.Format(
"Incorrect database value encountered. The value read from '{0}' must contain null.",
string.Join(", ", _classIDProperty.GetColumns().Select(c => c.Name))));
}
return(null);
}
if (classID == null)
{
throw new RdbmsProviderException(
string.Format(
"Incorrect database value encountered. The value read from '{0}' must not contain null.",
string.Join(", ", _classIDProperty.GetColumns().Select(c => c.Name))));
}
return(new ObjectID(classID, value));
}
public object CombineValue(IColumnValueProvider columnValueProvider)
{
ArgumentUtility.CheckNotNull("columnValueProvider", columnValueProvider);
var value = _valueProperty.CombineValue(columnValueProvider);
if (value == null)
{
return(null);
}
return(new ObjectID(_classDefinition, value));
}
public object CombineValue(IColumnValueProvider columnValueProvider)
{
ArgumentUtility.CheckNotNull("columnValueProvider", columnValueProvider);
var value = _serializedIDProperty.CombineValue(columnValueProvider);
if (value == null)
{
return(null);
}
return(ObjectID.Parse((string)value));
}
private Tuple <ObjectID, object> GetTimestampTuple(IColumnValueProvider columnValueProvider)
{
var objectIDValue = (ObjectID)_idProperty.CombineValue(columnValueProvider);
if (objectIDValue == null)
{
return(null);
}
var timestampValue = _timestampProperty.CombineValue(columnValueProvider);
return(Tuple.Create(objectIDValue, timestampValue));
}
protected virtual DataContainer CreateDataContainerFromReader(IDataReader dataReader, ColumnValueReader columnValueReader)
{
ArgumentUtility.CheckNotNull("dataReader", dataReader);
var id = (ObjectID)_idProperty.CombineValue(columnValueReader);
if (id == null)
{
return(null);
}
var timestamp = _timestampProperty.CombineValue(columnValueReader);
var dataContainer = DataContainer.CreateForExisting(
id,
timestamp,
pd => pd.StorageClass == StorageClass.Persistent ? ReadPropertyValue(pd, columnValueReader, id) : pd.DefaultValue);
_dataContainerValidator.Validate(dataContainer);
return(dataContainer);
}
