/// <summary>
/// GeneratePipeline_DataFlowSource_to_Transformation generates a TPL-DataFlowPipeline between two vertices of a graph.
/// v_source.UserDefinedObjects[0] has to be Type of IDataFlowSource
/// v_dest.UserDefinedObjects[0] has to be Type of IDataFlowTransformation
/// </summary>
/// <param name="v_source"></param>
/// <param name="v_dest"></param>
/// <param name="ToCompleteCollection"></param>
/// <param name="WatingForCompletitionCollection"></param>
private void GeneratePipeline_DataFlowSource_to_Transformation(Vertex v_source, Vertex v_dest, ref List <object> ToCompleteCollection, ref List <object> WatingForCompletitionCollection, ref Dictionary <IDataFlowSource <DS>, object> DataFlowReaderCollection)
{
var t_b_source = (IDataFlowSource <DS>)v_source.UserDefinedObjects[0];
var t_b_dest = (IPropagatorBlock <DS, DS>)null;
// for case that object in vertex is missing
if (v_dest.UserDefinedObjects == null || v_dest.UserDefinedObjects[0] == null)
{
throw new Exception(string.Format("Vertex needs any object. For example DBDestination."));
}
// for case that v_dest is type of RowTransformFunction
else if (v_dest.UserDefinedObjects[0].GetType() == typeof(RowTransformation <DS>))
{
RowTransformation <DS> t = (RowTransformation <DS>)v_dest.UserDefinedObjects[0];
t_b_dest = new TransformBlock <DS, DS>(t.RowTransformFunction
, new ExecutionDataflowBlockOptions {
MaxDegreeOfParallelism = this.MaxDegreeOfParallelism
});
}
// for case that v_dest is type of RowTransformationMany
else if (v_dest.UserDefinedObjects[0].GetType() == typeof(RowTransformationMany <DS>))
{
RowTransformationMany <DS> t_many = (RowTransformationMany <DS>)v_dest.UserDefinedObjects[0];
t_b_dest = new TransformManyBlock <DS, DS>(t_many.RowTransformManyFunction
, new ExecutionDataflowBlockOptions {
MaxDegreeOfParallelism = this.MaxDegreeOfParallelism
});
}
// for case that v_dest is type of RowTransformationMany
else if (v_dest.UserDefinedObjects[0].GetType() == typeof(BroadCast <DS>))
{
BroadCast <DS> t_broadcast = (BroadCast <DS>)v_dest.UserDefinedObjects[0];
t_b_dest = new BroadcastBlock <DS>(t_broadcast.TransformFunction
, new ExecutionDataflowBlockOptions {
MaxDegreeOfParallelism = this.MaxDegreeOfParallelism
});
}
// for case that type is not implemented
else
{
string CurrentMethodName = new System.Diagnostics.StackFrame(0, true).GetMethod().Name;
throw new Exception(string.Format("Not implemented Type {0} in {1}.", v_dest.UserDefinedObjects[0].GetType(), CurrentMethodName));
}
ToCompleteCollection.Add(t_b_dest);
v_dest.UserDefinedObjects.Add(t_b_dest);
DataFlowReaderCollection.Add(t_b_source, t_b_dest);
}
/// <summary>
/// GeneratePipeline_Transformation_to_Transformation generates a TPL-DataFlowPipeline between two vertices of a graph.
/// v_source.UserDefinedObjects[0] and v_dest.UserDefinedObjects[0] has to be Type of IDataFlowTransformation - so its a pipeline between two transformations.
/// </summary>
/// <param name="v_source"></param>
/// <param name="v_dest"></param>
/// <param name="ToCompleteCollection"></param>
/// <param name="WatingForCompletitionCollection"></param>
private void GeneratePipeline_Transformation_to_Transformation(Vertex v_source, Vertex v_dest, ref List <object> ToCompleteCollection, ref List <object> WatingForCompletitionCollection)
{
var t_b_source = (IPropagatorBlock <DS, DS>)v_source.UserDefinedObjects[1];
var t_b_dest = (IPropagatorBlock <DS, DS>)null;
if (v_dest.UserDefinedObjects[0].GetType() == typeof(RowTransformation <DS>))
{
RowTransformation <DS> tr = (RowTransformation <DS>)v_dest.UserDefinedObjects[0];
t_b_dest = new TransformBlock <DS, DS>(tr.RowTransformFunction
, new ExecutionDataflowBlockOptions {
MaxDegreeOfParallelism = this.MaxDegreeOfParallelism
});
}
else if (v_dest.UserDefinedObjects[0].GetType() == typeof(RowTransformationMany <DS>))
{
RowTransformationMany <DS> t_many = (RowTransformationMany <DS>)v_dest.UserDefinedObjects[0];
t_b_dest = new TransformManyBlock <DS, DS>(t_many.RowTransformManyFunction
, new ExecutionDataflowBlockOptions {
MaxDegreeOfParallelism = this.MaxDegreeOfParallelism
});
}
else if (v_dest.UserDefinedObjects[0].GetType() == typeof(BroadCast <DS>))
{
BroadCast <DS> t_broadcast = (BroadCast <DS>)v_dest.UserDefinedObjects[0];
t_b_dest = new BroadcastBlock <DS>(t_broadcast.TransformFunction
, new ExecutionDataflowBlockOptions {
MaxDegreeOfParallelism = this.MaxDegreeOfParallelism
});
}
else
{
string CurrentMethodName = new System.Diagnostics.StackFrame(0, true).GetMethod().Name;
throw new Exception(string.Format("Not implemented Type {0} in {1}.", v_dest.UserDefinedObjects[0].GetType(), CurrentMethodName));
}
//ToCompleteCollection.Add(t_b_dest); // fuehrte zu Fehlern bei dotnet execute auf linux-system
v_dest.UserDefinedObjects.Add(t_b_dest);
t_b_source.LinkTo(t_b_dest, linkOptions);
t_b_source.Completion.ContinueWith(t => { t_b_dest.Complete(); });
WatingForCompletitionCollection.Add(t_b_dest);
}
