Example #1
0
        /// <summary>Persists the <paramref name="eventStream"/> in the store as a single and atomic commit.</summary>
        /// <exception cref="ConcurrencyException">Occurs when there is already a newer version of the event provider stored in the event store.</exception>
        /// <param name="eventStream">The <see cref="UncommittedEventStream"/> to commit.</param>
        public void Store(UncommittedEventStream eventStream)
        {
            if (!eventStream.Any())
            {
                return;
            }

            using (var connection = new SqlConnection(_connectionString))
            {
                connection.Open();

                try
                {
                    using (var transaction = connection.BeginTransaction())
                    {
                        try
                        {
                            if (eventStream.HasSingleSource)
                            {
                                var firstEvent = eventStream.First();
                                var newVersion = firstEvent.InitialVersionOfEventSource + eventStream.Count();
                                StoreEventsFromSource(eventStream.SourceId, newVersion, eventStream, transaction);
                            }
                            else
                            {
                                StoreMultipleSources(eventStream, transaction);
                            }

                            transaction.Commit();
                        }
                        catch
                        {
                            transaction.Rollback();
                            throw;
                        }
                    }
                }
                finally
                {
                    connection.Close();
                }
            }
        }
        /// <summary>Persists the <paramref name="eventStream"/> in the store as a single and atomic commit.</summary>
        /// <exception cref="ConcurrencyException">Occurs when there is already a newer version of the event provider stored in the event store.</exception>
        /// <param name="eventStream">The <see cref="UncommittedEventStream"/> to commit.</param>
        public void Store(UncommittedEventStream eventStream)
        {
            if (!eventStream.Any())
                return;

            using (var connection = new SqlConnection(_connectionString))
            {
                connection.Open();

                try
                {
                    using (var transaction = connection.BeginTransaction())
                    {
                        try
                        {
                            if (eventStream.HasSingleSource)
                            {
                                var firstEvent = eventStream.First();
                                var newVersion = firstEvent.InitialVersionOfEventSource + eventStream.Count();
                                StoreEventsFromSource(eventStream.SourceId, newVersion, eventStream, transaction);
                            }
                            else
                            {
                                StoreMultipleSources(eventStream, transaction);
                            }

                            transaction.Commit();
                        }
                        catch
                        {
                            transaction.Rollback();
                            throw;
                        }
                    }
                }
                finally
                {
                    connection.Close();
                }
            }
        }