void AppendToStream(IIdentity id, string envelopeId, Applied then, string explanation)
{
var stream = _factory.GetOrCreateStream(IdentityConvert.ToStream(id));
var b = new EnvelopeBuilder("unknown");
b.AddString("caused-by", envelopeId);
if (!String.IsNullOrEmpty(explanation))
{
b.AddString("explain", explanation);
}
foreach (var e in then.Events)
{
b.AddItem((object)e);
}
var data = _streamer.SaveEnvelopeData(b.Build());
Context.Debug("?? Append {0} at v{3} to '{1}' in thread {2}", then.Events.Count,
IdentityConvert.ToStream(id),
Thread.CurrentThread.ManagedThreadId,
then.Version);
if (!stream.TryAppend(data, TapeAppendCondition.VersionIs(then.Version)))
{
throw new InvalidOperationException("Failed to update the stream - it has been changed concurrently");
}
}
private void SendMessage(object command, string optionalID = null)
{
var auth = FormsAuth.GetSessionIdentityFromRequest();
var envelopeId = optionalID ?? Guid.NewGuid().ToString().ToLowerInvariant();
var eb = new EnvelopeBuilder(envelopeId);
if (auth.HasValue)
{
eb.AddString("web-user", auth.Value.User.Identifier.ToString(CultureInfo.InvariantCulture));
eb.AddString("web-token", auth.Value.Token);
}
eb.AddItem(command);
m_queueWriter.PutMessage(eb.Build());
}
public void AppendToStream(IIdentity id, long originalVersion, ICollection<IEvent<IIdentity>> events,
string explanation)
{
if (events.Count == 0)
return;
var stream = _factory.GetOrCreateStream(IdentityConvert.ToStream(id));
var b = new EnvelopeBuilder("unknown");
if (!String.IsNullOrEmpty(explanation))
{
b.AddString("explain", explanation);
}
foreach (var e in events)
{
b.AddItem((object)e);
}
var data = _streamer.SaveEnvelopeData(b.Build());
var result = stream.TryAppend(data, TapeAppendCondition.VersionIs(originalVersion));
if (result == 0)
{
throw new InvalidOperationException("Failed to update the stream - it has been changed concurrently");
}
PublishDomainSuccess(id, events, originalVersion);
}
private void PutLocalIP(EnvelopeBuilder builder)
{
var ip = Dns.GetHostEntry(Dns.GetHostName()).AddressList
.Where(address => address.AddressFamily == AddressFamily.InterNetwork)
.FirstOrDefault();
builder.AddString(ContextAttributes.ORIGINATING_MACHINE, ip==null ? "?" : ip.ToString());
}
void SendMessage(object command, string optionalId)
{
var auth = FormsAuth.GetSessionIdentityFromRequest();
var envelopeId = optionalId ?? Guid.NewGuid().ToString().ToLowerInvariant();
var eb = new EnvelopeBuilder(envelopeId);
if (auth.HasValue)
{
eb.AddString("web-user", auth.Value.User.Id.ToString(CultureInfo.InvariantCulture));
eb.AddString("web-token", auth.Value.Token);
}
eb.AddItem(command);
_writer.PutMessage(_streamer.SaveEnvelopeData(eb.Build()));
}
private void PutLocalIP(EnvelopeBuilder builder)
{
var ip = Dns.GetHostEntry(Dns.GetHostName()).AddressList
.Where(address => address.AddressFamily == AddressFamily.InterNetwork)
.FirstOrDefault();
builder.AddString(ContextAttributes.ORIGINATING_MACHINE, ip == null ? "?" : ip.ToString());
}
public void Test()
{
var b = new EnvelopeBuilder("GUID");
b.DelayBy(TimeSpan.FromSeconds(10));
b.AddString("Test");
b.AddItem(new { Cool = "1"}).AddAttribute("D2","D1");
Console.WriteLine(b.Build().PrintToString(o => o.Dump()));
}
private static void AddHeadersToEnvelope(Dictionary <string, object> headers, EnvelopeBuilder b)
{
if (headers == null)
{
return;
}
foreach (var header in headers)
{
b.AddString(header.Key, header.Value.ToString());
}
}
public void Envelope_attributes_should_be_present()
{
var time = DateTime.UtcNow;
var builder = new EnvelopeBuilder("my-id");
builder.AddString("Custom", "1");
var envelope = RoundtripViaSerializer(builder);
Assert.AreEqual("1", envelope.GetAttribute("Custom"));
Assert.GreaterOrEqual(envelope.CreatedOnUtc, time, "start time");
var now = DateTime.UtcNow;
Assert.LessOrEqual(envelope.CreatedOnUtc, now, "now");
}
void PublishEvents(IIdentity id, Applied then)
{
var arVersion = then.Version + 1;
var arName = IdentityConvert.ToTransportable(id);
var name = String.Format("{0}-{1}", arName, arVersion);
var builder = new EnvelopeBuilder(name);
builder.AddString("entity", arName);
foreach (var @event in then.Events)
{
builder.AddItem((object)@event);
}
_writer.PutMessage(_streamer.SaveEnvelopeData(builder.Build()));
}
public void Envelope_attributes_should_be_present()
{
var time = DateTime.UtcNow;
var builder = new EnvelopeBuilder("my-id");
builder.AddString("Custom", "1");
var envelope = RoundtripViaSerializer(builder);
Assert.AreEqual("1", envelope.GetAttribute("Custom"));
Assert.GreaterOrEqual(envelope.CreatedOnUtc, time, "start time");
var now = DateTime.UtcNow;
Assert.LessOrEqual(envelope.CreatedOnUtc, now, "now");
}
void Dispatch(string id, IEnumerable<ICommand> commands)
{
var stream = _factory.GetOrCreateStream(id);
var records = stream.ReadRecords(0, int.MaxValue).ToList();
var events = records
.Select(tr => _streamer.ReadAsEnvelopeData(tr.Data))
.SelectMany(i => i.Items)
.Select(i => (IEvent)i.Content)
.ToList();
var then = AggregateFactory
.LoadProject(events, commands)
.Select(e => new MessageBuilder(e.GetType(), e)).ToList();
if (then.Count == 0)
return;
// events are stored here as envelopes )
var b = new EnvelopeBuilder("unknown");
foreach (var e in then)
{
b.Items.Add(e);
}
var version = records.Count == 0 ? 0 : records.Last().Version;
var data = _streamer.SaveEnvelopeData(b.Build());
var result = stream.TryAppend( data, TapeAppendCondition.VersionIs(version));
if (!result)
throw new InvalidOperationException(
"Data was modified concurrently, and we don't have merging implemented, yet");
var args = _path.Split(':');
IQueueWriterFactory factory;
if (!_queue.TryGet(args[0], out factory))
throw new InvalidOperationException("Not found " + _path);
var arVersion = events.Count + 1;
var arName = id;
for (int i = 0; i < then.Count; i++)
{
var name = string.Format("{0}/{1}/{2}", arName, arVersion, i);
var builder = new EnvelopeBuilder(name);
builder.Items.Add(then[i]);
builder.AddString("from-entity", arName);
factory.GetWriteQueue(args[1]).PutMessage(builder.Build());
}
}
void Dispatch(string id, IEnumerable <ICommand> commands)
{
var stream = _factory.GetOrCreateStream(id);
var records = stream.ReadRecords(0, int.MaxValue).ToList();
var events = records
.Select(tr => _streamer.ReadAsEnvelopeData(tr.Data))
.SelectMany(i => i.Items)
.Select(i => (IEvent)i.Content)
.ToList();
var then = AggregateFactory
.LoadProject(events, commands)
.Select(e => new MessageBuilder(e.GetType(), e)).ToList();
if (then.Count == 0)
{
return;
}
// events are stored here as envelopes )
var b = new EnvelopeBuilder("unknown");
foreach (var e in then)
{
b.Items.Add(e);
}
var version = records.Count == 0 ? 0 : records.Last().Version;
var data = _streamer.SaveEnvelopeData(b.Build());
var result = stream.TryAppend(data, TapeAppendCondition.VersionIs(version));
if (!result)
{
throw new InvalidOperationException(
"Data was modified concurrently, and we don't have merging implemented, yet");
}
var args = _path.Split(':');
IQueueWriterFactory factory;
if (!_queue.TryGet(args[0], out factory))
{
throw new InvalidOperationException("Not found " + _path);
}
var arVersion = events.Count + 1;
var arName = id;
for (int i = 0; i < then.Count; i++)
{
var name = string.Format("{0}/{1}/{2}", arName, arVersion, i);
var builder = new EnvelopeBuilder(name);
builder.Items.Add(then[i]);
builder.AddString("from-entity", arName);
factory.GetWriteQueue(args[1]).PutMessage(builder.Build());
}
}
private static void AddHeadersToEnvelope(Dictionary<string, object> headers, EnvelopeBuilder b)
{
if (headers == null)
return;
foreach (var header in headers)
{
b.AddString(header.Key, header.Value.ToString());
}
}
void PublishDomainSuccess(IIdentity id, IEnumerable<IEvent> events, long version)
{
var arVersion = version + 1;
var arName = IdentityConvert.ToTransportable(id);
var name = String.Format("{0}-{1}", arName, arVersion);
var builder = new EnvelopeBuilder(name);
builder.AddString("entity", arName);
foreach (var @event in events)
{
builder.AddItem((object)@event);
}
_writer.PutMessage(_streamer.SaveEnvelopeData(builder.Build()));
}