private static int CleanUp()
{
var completeRemovals = new List <AmbivalentPipelineReference>();
var keys = TotalWeakKeys;
foreach (var entry in Dependencies)
{
if (entry.Key.IsAlive)
{
keys -= RemoveNonExisting(entry.Value);
}
else
{
completeRemovals.Add(entry.Key);
keys -= entry.Value.Count;
}
}
foreach (var keyToRemove in completeRemovals)
{
Dependencies.Remove(keyToRemove);
}
OperationsSinceLastCleanup = 0;
var removals = TotalWeakKeys - keys;
TotalWeakKeys = keys;
PotentialStagesForUpdate.RemoveWhere(reference => !reference.IsAlive);
return(removals);
}
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();
}
}
}