internal Category(TaskCollection collection)
{
if (collection == null)
{
throw new System.ArgumentNullException("collection");
}
_collection = collection;
id = _collection.GetUnusedId();
}
internal Task(TaskCollection collection, Task masterTask)
{
if (masterTask == null)
{
throw new ArgumentNullException("masterTask");
}
if (collection == null)
{
throw new ArgumentNullException("collection");
}
if (!collection.Contains(masterTask))
{
throw new InvalidOperationException("Master task is not in the collection");
}
_id = collection.GetUnusedId();
CreationTime = DateTime.Now;
masterId = masterTask.Id;
masterTask._subtasks.Add(Id);
ActivityTime = SegmentedTimeSpan.Empty;
_cats = new HashSet <int> ();
_subtasks = new HashSet <int> ();
_dependencyIds = new HashSet <int> ();
}