public override string ToString()
{
var performanceCriticalOutputBuilder = new StringBuilder();
AggregateCommit firstCommit = aggregateCommits.First();
string boundedContext = firstCommit.BoundedContext;
string base64AggregateRootId = Convert.ToBase64String(firstCommit.AggregateRootId);
string aggregateName = Encoding.UTF8.GetString(firstCommit.AggregateRootId).Split('@')[0];
performanceCriticalOutputBuilder.AppendLine("Aggregate Info");
performanceCriticalOutputBuilder.AppendLine("==============");
performanceCriticalOutputBuilder.AppendLine($"- Bounded Context: `{boundedContext}`");
performanceCriticalOutputBuilder.AppendLine($"- Aggregate root ID (base64): `{base64AggregateRootId}`");
performanceCriticalOutputBuilder.AppendLine($"- Aggregate name: `{aggregateName}`");
performanceCriticalOutputBuilder.AppendLine();
performanceCriticalOutputBuilder.AppendLine("## Commits");
foreach (var commit in aggregateCommits)
{
performanceCriticalOutputBuilder.AppendLine();
performanceCriticalOutputBuilder.AppendLine($"#### Revision {commit.Revision}");
foreach (var @event in commit.Events)
{
performanceCriticalOutputBuilder.AppendLine($"- {@event}");
}
}
performanceCriticalOutputBuilder.AppendLine("-------------------------------------------------------------------------------------------------------------------");
return(performanceCriticalOutputBuilder.ToString());
}
public string GetEventsTableName(AggregateCommit aggregateCommit)
{
// mynkow if(Environment.GetEnvironmentVariable("ForceCronusChecks"))
// if (boundedContext)
var boundedContext = aggregateCommit.BoundedContext;
return GetEventsTableName(boundedContext);
}
public void Append(AggregateCommit aggregateCommit)
{
if (ReferenceEquals(null, aggregateCommit) == true)
{
throw new ArgumentNullException(nameof(aggregateCommit));
}
var tenant = tenantResolver.Resolve(aggregateCommit);
var store = factory.GetEventStore(tenant);
store.Append(aggregateCommit);
}
public async Task AppendAsync(AggregateCommit aggregateCommit)
{
AggregateCommit transformedAggregateCommit = aggregateCommit;
try
{
transformedAggregateCommit = aggregateCommitTransformer.Transform(aggregateCommit);
await eventStore.AppendAsync(transformedAggregateCommit).ConfigureAwait(false);
}
catch (Exception ex)
{
logger.ErrorException(ex, () => $"Failed to append aggregate with id = {transformedAggregateCommit.AggregateRootId}. \n Exception: {ex.Message}");
throw;
}
}
public void Append(AggregateCommit aggregateCommit)
{
DataTable eventsTable = CreateInMemoryTableForEvents();
try
{
byte[] data = SerializeEvent(aggregateCommit);
var eventsRow = eventsTable.NewRow();
eventsRow[0] = Convert.ToBase64String(aggregateCommit.AggregateRootId);
eventsRow[1] = aggregateCommit.Revision;
eventsRow[2] = aggregateCommit.Timestamp;
eventsRow[3] = data;
eventsTable.Rows.Add(eventsRow);
}
catch (Exception ex)
{
eventsTable.Clear();
throw new AggregateStateFirstLevelConcurrencyException("", ex);
}
SqlConnection connection = new SqlConnection(connectionString);
try
{
connection.Open();
using (SqlBulkCopy bulkCopy = new SqlBulkCopy(connection))
{
bulkCopy.DestinationTableName = "[" + tableNameStrategy.GetEventsTableName(aggregateCommit) + "]";
bulkCopy.WriteToServer(eventsTable, DataRowState.Added);
}
}
catch (Exception ex)
{
throw new AggregateStateFirstLevelConcurrencyException("", ex);
}
finally
{
if (connection.State == ConnectionState.Open)
connection.Close();
else
{
throw new Exception("EventStore bulk persist connection is in strange state.");
}
}
}
/// <summary>
/// Saves the specified aggregate root.
/// </summary>
/// <typeparam name="AR">The type of the aggregate root.</typeparam>
/// <param name="aggregateRoot">The aggregate root.</param>
/// <exception cref="Elders.Cronus.DomainModeling.AggregateRootException"></exception>
public void Save <AR>(AR aggregateRoot) where AR : IAggregateRoot
{
if (ReferenceEquals(null, aggregateRoot.UncommittedEvents) || aggregateRoot.UncommittedEvents.Count() == 0)
{
return;
}
var arCommit = new AggregateCommit(aggregateRoot.State.Id as IBlobId, aggregateRoot.Revision, aggregateRoot.UncommittedEvents.ToList());
var result = atomicAction.Execute(aggregateRoot.State.Id, aggregateRoot.Revision, () => eventStore.Append(arCommit));
if (result.IsSuccessful)
{
// #prodalzavameNapred
// #bravoKobra
// https://www.youtube.com/watch?v=2wWusHu_3w8
}
else
{
throw new AggregateStateFirstLevelConcurrencyException("", result.Errors.MakeJustOneException());
}
}
private byte[] SerializeEvent(AggregateCommit commit)
{
using (var stream = new MemoryStream())
{
serializer.Serialize(stream, commit);
return stream.ToArray();
}
}
