void IPreprocessingStepCallback.YieldNextStep(IPreprocessingStep step)
{
if (nextSteps != null)
{
nextSteps.Enqueue(step);
}
}
public LogSourcePreprocessing(
LogSourcesPreprocessingManager owner,
IPreprocessingUserRequests userRequests,
Action <YieldedProvider> providerYieldedCallback,
IEnumerable <IPreprocessingStep> initialSteps,
string preprocessingDisplayName,
PreprocessingOptions options) :
this(owner, userRequests, providerYieldedCallback)
{
this.displayName = preprocessingDisplayName;
this.options = options;
preprocLogic = async() =>
{
using (var perfop = new Profiling.Operation(trace, displayName))
{
for (var steps = new Queue <IPreprocessingStep>(initialSteps); steps.Count > 0;)
{
if (cancellation.IsCancellationRequested)
{
break;
}
IPreprocessingStep currentStep = steps.Dequeue();
nextSteps = steps;
await currentStep.Execute(this).ConfigureAwait(continueOnCapturedContext: !isLongRunning);
perfop.Milestone("completed " + currentStep.ToString());
nextSteps = null;
currentDescription = genericProcessingDescription;
}
}
};
}
bool TryExtensions(Uri uri, out IPreprocessingStep extensionStep)
{
foreach (var ext in extensions.Items)
{
var step = ext.TryParseLaunchUri(uri);
if (step != null)
{
extensionStep = step;
return(true);
}
}
extensionStep = null;
return(false);
}
public LogSourcePreprocessing(
LogSourcesPreprocessingManager owner,
Action <YieldedProvider> providerYieldedCallback,
IEnumerable <IPreprocessingStep> initialSteps,
string preprocessingDisplayName,
PreprocessingOptions options) :
this(owner, providerYieldedCallback)
{
this.displayName = preprocessingDisplayName;
this.options = options;
preprocLogic = async() =>
{
using (var perfop = new Profiling.Operation(trace, displayName))
{
for (var steps = new Queue <IPreprocessingStep>(initialSteps); ;)
{
if (cancellation.IsCancellationRequested)
{
break;
}
nextSteps = steps;
if (steps.Count > 0)
{
IPreprocessingStep currentStep = steps.Dequeue();
await currentStep.Execute(this).ConfigureAwait(continueOnCapturedContext: !isLongRunning);
perfop.Milestone("completed " + currentStep.ToString());
}
else
{
foreach (var e in owner.extensions.Items)
{
await e.FinalizePreprocessing(this).ConfigureAwait(continueOnCapturedContext: !isLongRunning);
}
perfop.Milestone("notified extensions about finalization");
if (steps.Count == 0)
{
break;
}
}
nextSteps = null;
currentDescription = genericProcessingDescription;
}
}
};
}