Raven.ManagedStorage.Degenerate.PersistentDictionary.Read C# (CSharp) Méthode

        public byte[] Read(JToken key, Guid txId)
        {
            Guid mofiedByTx;
            if (keysModifiedInTx.TryGetValue(key, out mofiedByTx) && mofiedByTx == txId)
            {
                Command command = operationsInTransactions.GetOrAdd(txId, new List<Command>()).LastOrDefault(
                    x => JTokenComparer.Instance.Equals(x.Key, key));

                if (command != null)
                {
                    switch (command.Type)
                    {
                        case CommandType.Put:
                            return ReadData(command.Position, command.Size);
                        case CommandType.Delete:
                            return null;
                        default:
                            throw new ArgumentOutOfRangeException();
                    }
                }
            }

            PositionInFile pos;
            if (keyToFilePos.TryGetValue(key, out pos) == false)
                return null;

            return ReadData(pos.Position, pos.Size);
        }