public ManualSolverModel(ProblemSpec problem, Vector shift, ImmutableArray <SegmentModel> segments, int?highlightedSegmentIndex, ImmutableList <int> selectedSegmentIndices, PendingOperationType pendingOperation, ImmutableList <Segment> mirrors)
{
Problem = problem;
Shift = shift;
Segments = segments;
HighlightedSegmentIndex = highlightedSegmentIndex;
SelectedSegmentIndices = selectedSegmentIndices;
PendingOperation = pendingOperation;
this.mirrors = mirrors;
}
private ManualSolverModel CompleteOperation(int index)
{
var mirror = Segments[index].Segment;
var selectedSegments = SelectedSegmentIndices.Select(i => Segments[i]).ToList();
var reflected = selectedSegments.Select(s => s.Reflect(mirror));
IEnumerable <SegmentModel> res = Segments;
if (PendingOperation == PendingOperationType.ReflectMove)
{
res = res.Where(s => !selectedSegments.Contains(s));
}
res = res.Concat(reflected);
PendingOperation = PendingOperationType.None;
return(With(res, null, ImmutableList <int> .Empty, PendingOperationType.None, mirrors.Add(mirror)));
}
public Task <IOperationResult> AddOperation(string description, PendingOperationType opererationType, Func <Action <IOperationProgress>, Task <IOperationResult> > taskFactory,
long id, OperationCancelToken token = null)
{
var operationState = new OperationState
{
Status = OperationStatus.InProgress
};
var notification = new OperationStatusChangeNotification
{
OperationId = id,
State = operationState
};
Action <IOperationProgress> action = progress =>
{
notification.State.Progress = progress;
RaiseNotifications(notification);
};
var task = taskFactory(action);
var operationDescription = new PendingOperationDescription
{
Description = description,
TaskType = opererationType,
StartTime = SystemTime.UtcNow
};
var pendingOperation = new PendingOperation
{
Id = id,
Task = task,
Description = operationDescription,
Token = token,
State = operationState
};
task.ContinueWith(taskResult =>
{
operationDescription.EndTime = SystemTime.UtcNow;
operationState.Progress = null;
if (taskResult.IsCanceled)
{
operationState.Result = null;
operationState.Status = OperationStatus.Canceled;
}
else if (taskResult.IsFaulted)
{
var innerException = taskResult.Exception.ExtractSingleInnerException();
var documentConflictException = innerException as DocumentConflictException;
var status = documentConflictException != null ? 409 : 500;
operationState.Result = new OperationExceptionResult(innerException, status);
operationState.Status = OperationStatus.Faulted;
}
else
{
operationState.Result = taskResult.Result;
operationState.Status = OperationStatus.Completed;
}
RaiseNotifications(notification);
});
_pendingOperations.TryAdd(id, pendingOperation);
return(task);
}
public ManualSolverModel CancelPendingOperation()
{
PendingOperation = PendingOperationType.None;
return(this);
}
public ManualSolverModel StartOperation(PendingOperationType operation)
{
PendingOperation = operation;
return(this);
}
private ManualSolverModel With(IEnumerable <SegmentModel> segments, int?highlightedSegmentIndex, ImmutableList <int> selectedSegmentIndices, PendingOperationType pendingOperation,
ImmutableList <Segment> mirrors)
{
return(new ManualSolverModel(Problem, Shift, segments.ToImmutableArray(), highlightedSegmentIndex, selectedSegmentIndices, pendingOperation, mirrors));
}