public Task <DataStoreValue> GetRandom()
{
var collection = _data.ToList();
if (collection.Count == 0)
{
return(Task.FromResult <DataStoreValue>(null));
}
var element = collection.ElementAt(_random.Next(0, collection.Count));
var values = element.ToList();
if (values.Count == 0)
{
return(Task.FromResult <DataStoreValue>(null));
}
return(Task.FromResult(new DataStoreValue(-1, element.Key, values.ElementAt(_random.Next(0, values.Count)))));
}