public bool TryGetItem(CountryKind country, string stockId, out ICurrentPrice item)
{
string stockFullId = $"{country.GetShortName()}.{stockId}";
if (_storage.TryGetValue(stockFullId, out ICurrentPrice target))
{
item = target;
return(true);
}
item = null;
return(false);
}
public void AddOrUpdateItem(CountryKind country, string stockId, ICurrentPrice item)
{
string stockFullId = $"{country.GetShortName()}.{stockId}";
if (_storage.ContainsKey(stockFullId) &&
_storage[stockFullId] == item)
{
return;
}
_storage[stockFullId] = item;
IsAddedOrUpdated = true;
}