public void AddOrUpdate(TObject item)
{
TKey key = _keySelector.GetKey(item);
var previous = _cache.Lookup(key);
_queue.Add(previous.HasValue
? new Change <TObject, TKey>(ChangeReason.Update, key, item, previous)
: new Change <TObject, TKey>(ChangeReason.Add, key, item));
_cache.AddOrUpdate(item, key);
}
public void AddOrUpdate(TObject item)
{
if (_keySelector == null)
{
throw new KeySelectorException("A key selector must be specified");
}
var key = _keySelector.GetKey(item);
_cache.AddOrUpdate(item, key);
}
public override int SelectChannel(SerializationDelegate <StreamRecord <TData> > record)
{
TKey key;
try
{
key = keySelector.GetKey(record.Instance.Value);
}
catch (Exception e)
{
throw new RuntimeException($"Could not extract key from {record.Instance}", e);
}
return(partitioner.Partition(key, NumberOfChannels));
}