public ITaskBuilder Intern <TTask>(string name = null) where TTask : class, IBauTask, new()
{
name = name ?? DefaultTask;
if (string.IsNullOrWhiteSpace(name))
{
BauConsole.WriteInvalidTaskName(name);
var message = string.Format(CultureInfo.InvariantCulture, "Invalid task name '{0}'.", name);
throw new ArgumentException(message, "name");
}
IBauTask task;
if (!this.tasks.TryGetValue(name, out task))
{
this.tasks.Add(name, task = new TTask());
}
var typedTask = task as TTask;
if (typedTask == null)
{
BauConsole.WriteTasksAlreadyExists(name, task.GetType().Name);
var message = string.Format(
CultureInfo.InvariantCulture,
"'{0}' task already exists with type '{1}'.",
name,
task.GetType().Name);
throw new InvalidOperationException(message);
}
this.currentTask = typedTask;
return(this);
}
private static void Execute(string task, IBauTask taskRef)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
BauConsole.WriteTaskStarting(task);
try
{
taskRef.Execute();
}
catch (Exception ex)
{
BauConsole.WriteTaskFailed(task, stopwatch.Elapsed.TotalMilliseconds, ex.Message);
var message = string.Format(CultureInfo.InvariantCulture, "'{0}' task failed. {1}", task, ex.Message);
throw new InvalidOperationException(message, ex);
}
BauConsole.WriteTaskFinished(task, stopwatch.Elapsed.TotalMilliseconds);
}