private static EmrActivityState GetStateFromLastStep(JobFlowDetail jobFlowDetail)
{
List <StepDetail> steps = jobFlowDetail.Steps;
if (steps.Count == 0)
{
return(EmrActivityState.Completed);
}
StepDetail lastStep = steps[steps.Count - 1];
StepExecutionState lastStepState = lastStep.ExecutionStatusDetail.State;
if (lastStepState == StepExecutionState.PENDING)
{
return(EmrActivityState.Running);
}
else if (lastStepState != StepExecutionState.COMPLETED)
{
return(EmrActivityState.Failed);
}
else
{
return(EmrActivityState.Completed);
}
}
async Task <StepExecutionState> IProgressStepOperation.Run(CancellationToken cancellationToken, IProgressStepExecutionEvents progressCallback)
{
if (this.ExecutionState != StepExecutionState.NotStarted)
{
throw new InvalidOperationException(ProgressResources.StepOperationWasAlreadyExecuted);
}
if (this.Cancellable && cancellationToken.IsCancellationRequested)
{
return(this.ExecutionState = StepExecutionState.Cancelled);
}
VsTaskRunContext context = GetContext(this.Execution);
StepExecutionState stepState = await VsThreadingHelper.RunTask <StepExecutionState>(this.controller, context,
() =>
{
DoStatefulExecution(progressCallback, cancellationToken);
return(this.ExecutionState);
},
cancellationToken);
return(stepState);
}
public void AssertStepCorrectExecution(IProgressStep step, StepExecutionState finalState)
{
if (finalState == StepExecutionState.NotStarted)
{
Assert.IsFalse(this.executionChanges.ContainsKey(step), "Not expecting any changes for a step that was not started");
}
else
{
List<StepExecutionChangedEventArgs> changes = this.executionChanges[step];
Assert.IsNotNull(changes, "Cannot find the changes list for the specified step");
VerifyStateTransitions(changes.Select(e => e.State).ToArray(), finalState);
}
}
public void AssertStepCorrectExecution(IProgressStep step, StepExecutionState finalState)
{
if (finalState == StepExecutionState.NotStarted)
{
this.executionChanges.Should().NotContainKey(step, "Not expecting any changes for a step that was not started");
}
else
{
List <StepExecutionChangedEventArgs> changes = this.executionChanges[step];
changes.Should().NotBeNull("Cannot find the changes list for the specified step");
VerifyStateTransitions(changes.Select(e => e.State).ToArray(), finalState);
}
}
private static void VerifyStateTransitions(StepExecutionState[] transition, StepExecutionState finalState)
{
for (int i = 0; i < transition.Length; i++)
{
if (IsFinalState(transition[i]))
{
transition[i].Should().Be(finalState, "Unexpected final state");
i.Should().Be(transition.Length - 1, "Final state should be the last one recorded");
}
else
{
transition[i].Should().Be(StepExecutionState.Executing, "Only Executing is expected");
}
}
}
private static void VerifyStateTransitions(StepExecutionState[] transition, StepExecutionState finalState)
{
for (int i = 0; i < transition.Length; i++)
{
if (IsFinalState(transition[i]))
{
Assert.AreEqual(finalState, transition[i], "Unexpected final state");
Assert.AreEqual(transition.Length - 1, i, "Final state should be the last one recorded");
}
else
{
Assert.AreEqual(StepExecutionState.Executing, transition[i], "Only Executing is expected");
}
}
}
private static ConfigurableProgressTestOperation CreateRandomStep(bool visible, bool indeterminate, bool impacting)
{
Random random = new Random();
int maxFlag = ((int[])Enum.GetValues(typeof(StepExecutionState))).Max();
StepExecutionState executionState = (StepExecutionState)random.Next(0, maxFlag + 1);
ConfigurableProgressTestOperation step;
step = new ConfigurableProgressTestOperation((c, e) => { });
step.DisplayText = "DisplayText:" + Environment.TickCount.ToString();
step.ExecutionState = executionState;
step.Progress = random.NextDouble();
step.ProgressDetailText = "ProgressDetailText:" + Environment.TickCount.ToString();
step.Indeterminate = indeterminate;
step.Hidden = !visible;
step.ImpactsProgress = impacting;
return(step);
}
/// <summary>
/// Initializes the step
/// </summary>
private void Initialize()
{
this.state = StepExecutionState.NotStarted;
bool indeterminate = (this.definition.Attributes & StepAttributes.Indeterminate) != 0;
StepExecution execution = (this.definition.Attributes & StepAttributes.BackgroundThread) != 0 ? StepExecution.BackgroundThread : StepExecution.ForegroundThread;
bool hidden = (this.definition.Attributes & StepAttributes.Hidden) != 0;
bool cancellable = (this.definition.Attributes & StepAttributes.NonCancellable) == 0;
bool impactingProgress = (this.definition.Attributes & StepAttributes.NoProgressImpact) == 0;
string displayText = this.definition.DisplayText;
this.SetStepKind(indeterminate);
this.Hidden = hidden;
this.DisplayText = displayText;
this.Execution = execution;
this.Cancellable = cancellable;
this.ImpactsProgress = impactingProgress;
}
Task <ProgressControllerResult> IProgressController.StartAsync()
{
return(Task.Factory.StartNew(() =>
{
stepOperations.ForEach(op =>
{
try
{
this.canAbort = op.Step.Cancellable;
StepExecutionState state = op.RunAsync(this.cts.Token, this).Result;
VerificationHelper.CheckState(op.Step, state);
}
catch (Exception ex)
{
FluentAssertions.Execution.Execute.Assertion.FailWith(ex.ToString());
}
});
return this.ReturnResult;
}));
}
/// <summary>
/// Instantiates StepExecutionStatusDetail with the parameterized properties
/// </summary>
/// <param name="state">The state of the step.</param>
/// <param name="creationDateTime">The creation date and time of the step.</param>
public StepExecutionStatusDetail(StepExecutionState state, DateTime creationDateTime)
{
_state = state;
_creationDateTime = creationDateTime;
}
/// <summary>
/// Instantiates StepExecutionStatusDetail with the parameterized properties
/// </summary>
/// <param name="state">The state of the job flow step.</param>
/// <param name="creationDateTime">The creation date and time of the step.</param>
public StepExecutionStatusDetail(StepExecutionState state, DateTime creationDateTime)
{
_state = state;
_creationDateTime = creationDateTime;
}
/// <summary>
/// Returns whether the state is considered to be final
/// </summary>
/// <param name="state">The state for which to check</param>
/// <returns>Whether considered to be a final state</returns>
public static bool IsFinalState(StepExecutionState state)
{
return(state == StepExecutionState.Cancelled || state == StepExecutionState.Failed || state == StepExecutionState.Succeeded);
}
/// <summary>
/// Checks the current state of a <see cref="IProgressStep"/>
/// </summary>
/// <param name="testSubject">The step to check</param>
/// <param name="expectedState">The expected state of the step</param>
public static void CheckState(IProgressStep testSubject, StepExecutionState expectedState)
{
testSubject.ExecutionState.Should().Be(expectedState, "Unexpected state");
}
private static bool IsFinalState(StepExecutionState state)
{
return state == StepExecutionState.Cancelled || state == StepExecutionState.Failed || state == StepExecutionState.Succeeded;
}
private static void VerifyStateTransitions(StepExecutionState[] transition, StepExecutionState finalState)
{
for (int i = 0; i < transition.Length; i++)
{
if (IsFinalState(transition[i]))
{
Assert.AreEqual(finalState, transition[i], "Unexpected final state");
Assert.AreEqual(transition.Length - 1, i, "Final state should be the last one recorded");
}
else
{
Assert.AreEqual(StepExecutionState.Executing, transition[i], "Only Executing is expected");
}
}
}
/// <summary>
/// Checks the current state of a <see cref="IProgressStep"/>
/// </summary>
/// <param name="testSubject">The step to check</param>
/// <param name="expectedState">The expected state of the step</param>
public static void CheckState(IProgressStep testSubject, StepExecutionState expectedState)
{
Assert.AreEqual(expectedState, testSubject.ExecutionState, "Unexpected state");
}
/// <summary>
/// Checks the current state of a <see cref="IProgressStep"/>
/// </summary>
/// <param name="testSubject">The step to check</param>
/// <param name="expectedState">The expected state of the step</param>
public static void CheckState(IProgressStep testSubject, StepExecutionState expectedState)
{
Assert.AreEqual(expectedState, testSubject.ExecutionState, "Unexpected state");
}
/// <summary>
/// Starts executing the initialized steps.
/// The method is not thread safe but can be called from any thread.
/// </summary>
/// <returns>An await-able</returns>
public async TPL.Task <ProgressControllerResult> Start()
{
if (this.IsStarted)
{
throw new InvalidOperationException(ProgressResources.AlreadyStartedException);
}
this.OnStarted();
ProgressControllerResult controllerResult = await VsThreadingHelper.RunTask <ProgressControllerResult>(this, VsTaskRunContext.BackgroundThread,
() =>
{
ThreadHelper.ThrowIfOnUIThread();
// By default can abort, the individual step may changed that
this.CanAbort = true;
ProgressControllerResult result = ProgressControllerResult.Cancelled;
foreach (IProgressStepOperation operation in this.progressStepOperations)
{
// Try to cancel (in case the step itself will not cancel itself)
if (this.cancellationTokenSource.IsCancellationRequested)
{
result = ProgressControllerResult.Cancelled;
break;
}
this.CanAbort = operation.Step.Cancellable;
IProgressStepExecutionEvents notifier = this.stepFactory.GetExecutionCallback(operation);
// Give another try before running the operation (there's a test that covers cancellation
// before running the operation which requires this check after CanAbort is set)
if (this.cancellationTokenSource.IsCancellationRequested)
{
result = ProgressControllerResult.Cancelled;
break;
}
StepExecutionState stepResult = operation.Run(this.cancellationTokenSource.Token, notifier).Result;
/* Not trying to cancel here intentionally. The reason being
* in case the step was the last one, there's nothing to cancel really,
* otherwise there will be an attempt to cancel just before the next
* step execution*/
if (stepResult == StepExecutionState.Succeeded)
{
result = ProgressControllerResult.Succeeded;
}
else if (stepResult == StepExecutionState.Failed)
{
result = ProgressControllerResult.Failed;
break;
}
else if (stepResult == StepExecutionState.Cancelled)
{
result = ProgressControllerResult.Cancelled;
break;
}
else
{
Debug.Fail("Unexpected step execution result:" + stepResult);
}
}
return(result);
},
this.cancellationTokenSource.Token);
this.OnFinished(controllerResult);
return(controllerResult);
}
/// <summary>
/// Initializes the step
/// </summary>
private void Initialize()
{
this.state = StepExecutionState.NotStarted;
bool indeterminate = (this.definition.Attributes & StepAttributes.Indeterminate) != 0 ? true : false;
StepExecution execution = (this.definition.Attributes & StepAttributes.BackgroundThread) != 0 ? StepExecution.BackgroundThread : StepExecution.ForegroundThread;
bool hidden = (this.definition.Attributes & StepAttributes.Hidden) != 0 ? true : false;
bool cancellable = (this.definition.Attributes & StepAttributes.NonCancellable) != 0 ? false : true;
bool impactingProgress = (this.definition.Attributes & StepAttributes.NoProgressImpact) != 0 ? false : true;
string displayText = this.definition.DisplayText;
this.SetStepKind(indeterminate);
this.Hidden = hidden;
this.DisplayText = displayText;
this.Execution = execution;
this.Cancellable = cancellable;
this.ImpactsProgress = impactingProgress;
}
