Exemple #1
0
		public void Save(Type aggregatedRootType, Guid aggregateId, UncommittedEventStream eventsToSave)
		{
			var eventEntities = eventsToSave.Select(e => Convert(aggregatedRootType, aggregateId, e));
			foreach (var @event in eventEntities)
			{
				_context.Insert(@event);
			}
			_context.Commit();
		}
Exemple #2
0
        public CommittedEventStream Commit(UncommittedEventStream uncommittedEventStream)
        {
            var events = uncommittedEventStream.Select(e => e).ToArray();
            var parameters = new List<OracleParameter>();
            var insertStatementBuilder = new StringBuilder();

            insertStatementBuilder.Append("BEGIN ");
            for (var position = 0; position < events.Length; position++)
            {
                insertStatementBuilder.Append(GetParameterizedInsertStatement(position));
                parameters.AddRange(_eventParameters.BuildFromEvent(position, events[position]));
            }
            insertStatementBuilder.Append(" END;");

            Tuple<int, long>[] returnedIds;

            try
            {
                OpenConnection();
                var transaction = _connection.BeginTransaction();
                try
                {
                    using (var command = _connection.CreateCommand())
                    {
                        command.Transaction = transaction;
                        command.CommandText = insertStatementBuilder.ToString();
                        command.Parameters.AddRange(parameters.ToArray());
                        command.BindByName = true;
                        command.ExecuteNonQuery();

                        returnedIds = ExtractReturnedIds(parameters);
                        transaction.Commit();
                    }
                }
                catch (Exception)
                {
                    transaction.Rollback();
                    throw;
                }
            }
            finally
            {
                EnsureConnectionClosed(_connection);
            }

            PopulateEventId(returnedIds, events);

            var committedEventStream = new CommittedEventStream(uncommittedEventStream.EventSourceId);
            if (events.Any())
                committedEventStream.Append(events);
            return committedEventStream;
        }