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();
}
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;
}