protected override void OnReset(IReadOnlyList <TSource> newItems)
{
_resetting = true;
try
{
for (int i = SourceLists.Count - 1; i >= 0; --i)
{
RemoveSourceCollection(i);
}
for (int i = 0; i < newItems.Count; ++i)
{
var list = _selector.Invoke(newItems[i]);
AddSourceCollection(i, (list as IReadOnlyList <TResult>) ?? list.ToArray(), false);
}
_listInfo.Clear();
var lastInfo = new ListInfo(0, 0);
foreach (var list in SourceLists)
{
var info = new ListInfo(lastInfo.Offset + lastInfo.Count, list.Count);
_listInfo.Add(info);
lastInfo = info;
}
_listInfo.Add(new ListInfo(lastInfo.Offset + lastInfo.Count, 0));
ResultList.Reset(SourceLists.SelectMany(s => s));
}
finally
{
_resetting = false;
}
}
/// <summary>
/// Checks SourceLists for a given list and returns it if found. Otherwise, returns null
/// </summary>
public Dictionary <string, SourceListItem> GetSourceListForKey(string key)
{
if (string.IsNullOrEmpty(key) || !SourceLists.ContainsKey(key))
{
return(null);
}
return(SourceLists[key]);
}
public MockContactGeneratorHelper()
{
RandomHelper = new RandomHelper();
SourceLists = new SourceLists();
}
