/// <summary>
/// The given Action will be performed when the task succeeds.
/// </summary>
/// <param name="task">The task.</param>
/// <param name="action">The action to perform.</param>
/// <param name="actionTarget">The action target.</param>
/// <returns>
/// This task.
/// </returns>
public static CustomTask WhenSucceeded(this CustomTask task, Action <CustomTask> action,
CustomTaskDispatcherBase actionTarget)
{
Action <CustomTask> perform = t =>
{
if (actionTarget == null)
{
action(t);
}
else
{
actionTarget.Dispatch(() => { if (t.IsSucceeded)
{
action(t);
}
});
}
};
return(task.WhenEnded(t => { if (t.IsSucceeded)
{
perform(t);
}
}, null));
}
/// <summary>
/// The given Action will be performed when the task fails.
/// </summary>
/// <param name="task">The task.</param>
/// <param name="action">The action to perform.</param>
/// <param name="target">The DispatcherBase to perform the action on.</param>
/// <returns>
/// This task.
/// </returns>
public static CustomTask WhenFailed(this CustomTask task, Action <CustomTask> action, CustomTaskDispatcherBase target)
{
return(task.WhenEnded(t => { if (t.IsFailed)
{
action(t);
}
}, target));
}
/// <summary>
/// The given Action will be performed when the task fails.
/// </summary>
/// <param name="task">The task.</param>
/// <param name="action">The action to perform.</param>
/// <returns>
/// This task.
/// </returns>
public static CustomTask WhenFailed(this CustomTask task, Action <CustomTask> action)
{
return(task.WhenEnded(t => { if (t.IsFailed)
{
action(t);
}
}));
}
/// <summary>
/// The given Action will be performed when the task succeeds.
/// </summary>
/// <param name="task">The task.</param>
/// <param name="action">The action to perform.</param>
/// <returns>
/// This task.
/// </returns>
public static CustomTask WhenSucceeded(this CustomTask task, Action action)
{
return(task.WhenEnded(t => { if (t.IsSucceeded)
{
action();
}
}));
}
/// <summary>
/// Performs the given Func sequential for each element in the enumerable.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <typeparam name="T"></typeparam>
/// <param name="that">The that.</param>
/// <param name="action">The Func to perform for each element.</param>
/// <param name="target">The TaskDistributor instance on which the operation should perform.</param>
/// <returns>
/// IEnumerable of created tasks.
/// </returns>
public static IEnumerable <CustomTask <TResult> > SequentialForEach <TResult, T>(this IEnumerable <T> that,
Func <T, TResult> action, TaskDistributor target)
{
var result = new List <CustomTask <TResult> >();
CustomTask lastTask = null;
foreach (var element in that)
{
var tmp = element;
var task = CustomTask.Create(() => action(tmp));
if (lastTask == null)
{
task.Run(target);
}
else
{
lastTask.WhenEnded(() => task.Run(target));
}
lastTask = task;
result.Add(task);
}
return(result);
}
/// <summary>
/// The given Action will be performed when the task ends.
/// </summary>
/// <param name="task">The task.</param>
/// <param name="action">The action to perform.</param>
/// <returns>
/// This task.
/// </returns>
public static CustomTask WhenEnded(this CustomTask task, Action <CustomTask> action)
{
return(task.WhenEnded(action, null));
}
/// <summary>
/// The given Action will be performed when the task ends.
/// </summary>
/// <param name="task">The task.</param>
/// <param name="action">The action to perform.</param>
/// <returns>
/// This task.
/// </returns>
public static CustomTask WhenEnded(this CustomTask task, Action action)
{
return(task.WhenEnded(t => action()));
}
/// <summary>
/// The given Action will be performed when the task ends.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="task">The task.</param>
/// <param name="action">The action to perform.</param>
/// <returns>
/// This task.
/// </returns>
public static CustomTask <T> WhenEnded <T>(this CustomTask <T> task, Action <CustomTask <T> > action)
{
return(task.WhenEnded(action, null));
}
/// <summary>
/// The given Action will be performed when the task ends.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="task">The task.</param>
/// <param name="action">The action to perform.</param>
/// <returns>
/// This task.
/// </returns>
public static CustomTask <T> WhenEnded <T>(this CustomTask <T> task, Action action)
{
return(task.WhenEnded(t => action(), null));
}