public static ICollection<ActivityTag> GetOrCreate(this IObjectSet<ActivityTag> set, string[] names)
{
Contract.Requires<ArgumentNullException>(set != null, "set");
Contract.Requires<ArgumentNullException>(names != null, "names");
var dictionary = names.ToDictionary(tn => tn, tn => default(ActivityTag));
foreach (var tag in set.Where(t => names.Contains(t.Name)))
{
dictionary[tag.Name] = tag;
}
foreach (var tagName in dictionary.Keys.Where(k => dictionary[k] == null).ToList())
{
var tag = new ActivityTag() { Name = tagName };
dictionary[tagName] = tag;
set.Add(tag);
}
return dictionary.Values.ToList();
}
public static ICollection <ActivityTag> GetOrCreate(this IObjectSet <ActivityTag> set, string[] names)
{
Contract.Requires <ArgumentNullException>(set != null, "set");
Contract.Requires <ArgumentNullException>(names != null, "names");
var dictionary = names.ToDictionary(tn => tn, tn => default(ActivityTag));
foreach (var tag in set.Where(t => names.Contains(t.Name)))
{
dictionary[tag.Name] = tag;
}
foreach (var tagName in dictionary.Keys.Where(k => dictionary[k] == null).ToList())
{
var tag = new ActivityTag()
{
Name = tagName
};
dictionary[tagName] = tag;
set.Add(tag);
}
return(dictionary.Values.ToList());
}