/// <summary>
/// Gets the minimal pipeline graph where all the specified stages are included.
/// </summary>
/// <param name="stages">The stages.</param>
/// <returns>The pipeline graph. In case of errors, this might be invalid.</returns>
public static PipelineGraph GetPipelineGraphIncludingStages(IEnumerable <IPipelineStage> stages)
{
var graph = new PipelineGraph();
var propagation = new PipelinePropagation(stages, Dependencies);
lock (Dependencies)
propagation.BuildPropagationTopology(stages, 0);
foreach (var s in propagation.CurrentPropagationTopology !)
{
graph.AddNode(s.Stage);
foreach (var dep in s.Dependent)
{
graph.AddEdge(s.Stage, dep);
}
}
return(graph);
}
private static void InvalidatePipeline(IEnumerable <IPipelineStage> stages)
{
var propagation = new PipelinePropagation(stages, Dependencies);
lock (Dependencies)
{
propagation.BuildPropagationTopology(stages, PipelineVersion);
propagation.CheckForConcurrentPropagation(PotentialStagesForUpdate);
}
try
{
propagation.Propagate(stages);
}
finally
{
lock (Dependencies)
{
PotentialStagesForUpdate.ExceptWith(propagation.StagesThisPropagation);
IncrementOperation();
}
}
}