public void TestTaskQueuePreProcessing00()
{
var schedulerThread = new SampleSchedulerThread();
var scheduler = new DynamoScheduler(schedulerThread, TaskProcessMode.Asynchronous);
// Start scheduling a bunch of tasks.
var asyncTasks = new AsyncTask[]
{
new InconsequentialAsyncTask(scheduler, 500),
new PrioritizedAsyncTask(scheduler, 3),
new InconsequentialAsyncTask(scheduler, 100),
new PrioritizedAsyncTask(scheduler, 5),
new InconsequentialAsyncTask(scheduler, 300),
new PrioritizedAsyncTask(scheduler, 1),
new InconsequentialAsyncTask(scheduler, 200),
new PrioritizedAsyncTask(scheduler, 6),
new InconsequentialAsyncTask(scheduler, 700),
new PrioritizedAsyncTask(scheduler, 2),
};
var results = new List <string>();
foreach (SampleAsyncTask asyncTask in asyncTasks)
{
asyncTask.InitializeWithResultList(results);
scheduler.ScheduleForExecution(asyncTask);
}
schedulerThread.GetSchedulerToProcessTasks();
// Drops all InconsequentialAsyncTask and leave behind one.
// Kept all PrioritizedAsyncTask instances and sorted them.
Assert.AreEqual(6, results.Count);
Assert.AreEqual("PrioritizedAsyncTask: 1", results[0]);
Assert.AreEqual("PrioritizedAsyncTask: 2", results[1]);
Assert.AreEqual("PrioritizedAsyncTask: 3", results[2]);
Assert.AreEqual("PrioritizedAsyncTask: 5", results[3]);
Assert.AreEqual("PrioritizedAsyncTask: 6", results[4]);
Assert.AreEqual("InconsequentialAsyncTask: 700", results[5]);
}
public void TestTaskStateChangedEventHandling()
{
var observer = new TaskEventObserver();
var schedulerThread = new SampleSchedulerThread();
var scheduler = new DynamoScheduler(schedulerThread, false);
scheduler.TaskStateChanged += observer.OnTaskStateChanged;
// Start scheduling a bunch of tasks.
var asyncTasks = new AsyncTask[]
{
new ErrorProneAsyncTask(scheduler, 7),
new InconsequentialAsyncTask(scheduler, 100),
new PrioritizedAsyncTask(scheduler, 1),
new PrioritizedAsyncTask(scheduler, 5),
new ErrorProneAsyncTask(scheduler, 3),
new InconsequentialAsyncTask(scheduler, 500),
new InconsequentialAsyncTask(scheduler, 300),
new PrioritizedAsyncTask(scheduler, 3),
new ErrorProneAsyncTask(scheduler, 5),
};
foreach (SampleAsyncTask asyncTask in asyncTasks)
{
scheduler.ScheduleForExecution(asyncTask);
}
schedulerThread.GetSchedulerToProcessTasks();
// Drops all InconsequentialAsyncTask and leave behind one.
// Kept all PrioritizedAsyncTask instances and sorted them.
var expected = new List <string>
{
// Scheduling notifications...
"Scheduled: ErrorProneAsyncTask: 7",
"Scheduled: InconsequentialAsyncTask: 100",
"Scheduled: PrioritizedAsyncTask: 1",
"Scheduled: PrioritizedAsyncTask: 5",
"Scheduled: ErrorProneAsyncTask: 3",
"Scheduled: InconsequentialAsyncTask: 500",
"Scheduled: InconsequentialAsyncTask: 300",
"Scheduled: PrioritizedAsyncTask: 3",
"Scheduled: ErrorProneAsyncTask: 5",
// Task discarded notifications...
"Discarded: InconsequentialAsyncTask: 100",
"Discarded: InconsequentialAsyncTask: 300",
// Execution of remaining tasks...
"ExecutionStarting: ErrorProneAsyncTask: 7",
"ExecutionFailed: ErrorProneAsyncTask: 7",
"CompletionHandled: ErrorProneAsyncTask: 7",
"ExecutionStarting: PrioritizedAsyncTask: 1",
"ExecutionCompleted: PrioritizedAsyncTask: 1",
"CompletionHandled: PrioritizedAsyncTask: 1",
"ExecutionStarting: PrioritizedAsyncTask: 5",
"ExecutionCompleted: PrioritizedAsyncTask: 5",
"CompletionHandled: PrioritizedAsyncTask: 5",
"ExecutionStarting: ErrorProneAsyncTask: 3",
"ExecutionFailed: ErrorProneAsyncTask: 3",
"CompletionHandled: ErrorProneAsyncTask: 3",
"ExecutionStarting: PrioritizedAsyncTask: 3",
"ExecutionCompleted: PrioritizedAsyncTask: 3",
"CompletionHandled: PrioritizedAsyncTask: 3",
"ExecutionStarting: ErrorProneAsyncTask: 5",
"ExecutionFailed: ErrorProneAsyncTask: 5",
"CompletionHandled: ErrorProneAsyncTask: 5",
// Execution of InconsequentialAsyncTask last...
"ExecutionStarting: InconsequentialAsyncTask: 500",
"ExecutionCompleted: InconsequentialAsyncTask: 500",
"CompletionHandled: InconsequentialAsyncTask: 500"
};
Assert.AreEqual(expected.Count, observer.Results.Count());
int index = 0;
foreach (var actual in observer.Results)
{
Assert.AreEqual(expected[index++], actual);
}
}
/// <summary>
/// This method is typically called from the main application thread (as
/// a result of user actions such as button click or node UI changes) to
/// schedule an update of the graph. This call may or may not represent
/// an actual update. In the event that the user action does not result
/// in actual graph update (e.g. moving of node on UI), the update task
/// will not be scheduled for execution.
/// </summary>
public void Run()
{
graphExecuted = true;
// When Dynamo is shut down, the workspace is cleared, which results
// in Modified() being called. But, we don't want to run when we are
// shutting down so we check whether an engine controller is available.
if (this.EngineController == null)
{
return;
}
var traceData = PreloadedTraceData;
if ((traceData != null) && traceData.Any())
{
// If we do have preloaded trace data, set it here first.
var setTraceDataTask = new SetTraceDataAsyncTask(scheduler);
if (setTraceDataTask.Initialize(EngineController, this))
{
scheduler.ScheduleForExecution(setTraceDataTask);
}
}
// If one or more custom node have been updated, make sure they
// are compiled first before the home workspace gets evaluated.
//
EngineController.ProcessPendingCustomNodeSyncData(scheduler);
var task = new UpdateGraphAsyncTask(scheduler, verboseLogging);
if (task.Initialize(EngineController, this))
{
task.Completed += OnUpdateGraphCompleted;
RunSettings.RunEnabled = false; // Disable 'Run' button.
// Reset node states
foreach (var node in Nodes)
{
node.WasInvolvedInExecution = false;
}
// The workspace has been built for the first time
silenceNodeModifications = false;
// An event handler we can listen to on the NodeViewModel, to update the
// node's informational state. This is required because Errors and Warnings
// currently fire differently from one another.
foreach (NodeModel nodeModel in task.ModifiedNodes)
{
nodeModel.OnNodeMessagesClearing();
}
OnEvaluationStarted(EventArgs.Empty);
scheduler.ScheduleForExecution(task);
// Setting this to true as the task is scheduled now and will be
// set back to false once the OnUpdateGraphCompleted event is executed.
executingTask = true;
}
else
{
// Notify handlers that evaluation did not take place.
var e = new EvaluationCompletedEventArgs(false);
OnEvaluationCompleted(e);
}
}