/// <summary>
/// If the given item already has dependency information in the graph it's returned, else
/// a dependency information object for the item is created in the graph and returned
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public DependencyInfo <TItem> ItemToDependency(TItem item)
{
DependencyInfo <TItem> dep;
var key = ItemToKey(item);
if (_dependencies.TryGetValue(key, out dep) == false)
{
dep = new DependencyInfo <TItem>(item);
_dependencies.Add(key, dep);
}
return(dep);
}
/// <summary>
/// Try get the dependency information of the given item if exists in the graph
/// </summary>
/// <param name="key"></param>
/// <param name="dep"></param>
/// <returns></returns>
public bool TryGetDependencyOfItem(TKey key, out DependencyInfo <TItem> dep)
{
return(_dependencies.TryGetValue(key, out dep));
}