public override void RenameAttribute(Graph g, Attribute a, ColumnMetaChange change)
{
// Could rename the output attribute as well here, but probably best not to
//foreach (Conversion conv in Conversions.Where(c => c.A == a))
//{
// conv.Output.Name = a.Name;
//}
}
public override void CleanUpRemovedAttribute(Attribute a)
{
for (int i = Conversions.Count - 1; i >= 0; i--)
{
Conversion c = Conversions[i];
if (c.A == a)
{
RemoveConversion(c);
}
}
}
public override void MapDependenciesAndProperties()
{
throw new NotImplementedException();
//Start off by getting a list of input attributes to start off.
//List<Attribute> inputAttributes = new List<Attribute>();
//foreach (IDTSInput100 input in componentRef.InputCollection)
//{
// foreach (IDTSInputColumn100 column in input.InputColumnCollection)
// {
// inputAttributes.Add(inputAttributes.);
// }
//}
//Go through output to fill "dependencies" + "conversions"
foreach (IDTSOutput100 output in ComponentRef.OutputCollection)
{
Edge edge = OutgoingEdges().Find(e => e.Path.StartPoint.ID == output.ID);
//If it's not the error output
if (!output.IsErrorOut)
{
foreach (IDTSOutputColumn100 column in output.OutputColumnCollection)
{
Attribute outputAttribute = new Attribute(column.LineageID, column.Name, column.DataType, column);
int val = column.CustomPropertyCollection["SourceInputColumnLineageID"].Value;
//The input for "dependencies" will always just be a list of one input
List <Attribute> dependencyInputAttributeList = IngoingEdges().First().Attributes.FindAll(a => a.Id == val);
//Add tuple + fill in depencies
Dependencies.Add(outputAttribute, dependencyInputAttributeList);
Conversion conversion = new Conversion();
conversion.Output = outputAttribute;
conversion.A = dependencyInputAttributeList[0];
Conversions.Add(conversion);
//Add the attribute to the edge
//TODO: if there will be an error output, we might not be able to use "find()" anymore.
edge?.Attributes.Add(outputAttribute);
}
} //error output
else
{
foreach (IDTSOutputColumn100 errorOutputColumn in output.OutputColumnCollection)
{
Attribute outputAttribute = new Attribute(errorOutputColumn.LineageID, errorOutputColumn.Name,
errorOutputColumn.DataType, errorOutputColumn);
switch (errorOutputColumn.Name)
{
case "ErrorCode":
Dependencies.Add(outputAttribute, new List <Attribute>());
break;
case "ErrorColumn":
Dependencies.Add(outputAttribute, new List <Attribute>());
break;
}
edge?.Attributes.Add(outputAttribute);
}
}
//attributes that are just passing through.
foreach (Attribute outputAttribute in IngoingEdges().First().Attributes)
{
edge = OutgoingEdges().Find(e => e.Path.StartPoint.ID == output.ID);
//Output attribute has already been created.
if (Dependencies.ContainsKey(outputAttribute))
{
//Add an additional dependency to existing mapping
Dependencies[outputAttribute].Add(outputAttribute);
}
else //first time attribute has been encountered.
{
//Create a new list with just one new element(itself)
List <Attribute> outputList = new List <Attribute> {
outputAttribute
};
Dependencies.Add(outputAttribute, outputList);
}
edge?.Attributes.Add(outputAttribute);
}
//TODO: Consider how to set the two error things(attributes) on the error output
}
}
public override bool IsFullyDependent(Attribute attribute)
{
throw new NotImplementedException();
}
public override void DataTypeAttribute(Graph g, Attribute a, ColumnMetaChange change)
{
throw new NotImplementedException();
}
