/// <summary>
/// Executes proccesses asynchronously and return the <see cref="RunResults"/> instance.
/// </summary>
/// <returns><see cref="RunResults"/> instance with the results of the execution.</returns>
public Task <RunResults> StartAsync()
{
if (disposed)
{
throw new ObjectDisposedException(nameof(ProcessRunner));
}
if (CurrentTask == null || CurrentTask.IsCompleted)
{
messageFormatter.Clear();
bool retrieveOutput = !(messageFormatter is NoMessagesMessageFormatter);
var concurrentDataReceiver = retrieveOutput ? new ConcurrentDataReceiver(this) : null;
var processCollection = processCreator.CreateProcesses(concurrentDataReceiver);
var tasks = processCollection.Select(process => RunProcess(process, retrieveOutput));
var whenAllTask = Task.WhenAll(tasks);
if (concurrentDataReceiver == null)
{
CurrentTask = whenAllTask.ContinueWith(task => messageFormatter.GetRunResults());
}
else
{
var ctrCancellationToken = new CancellationTokenSource();
var outputDataReceiverTask = concurrentDataReceiver.Run(ctrCancellationToken.Token);
outputDataReceiverTask.ContinueWith(task => ctrCancellationToken.Dispose());
CurrentTask = whenAllTask.ContinueWith(task =>
{
ctrCancellationToken.Cancel();
outputDataReceiverTask.Wait();
return(messageFormatter.GetRunResults());
});
}
return(CurrentTask);
}
else
{
throw new InvalidOperationException(nameof(ProcessRunner));
}
}