public async Task <long> PersistEventAsync(string actorName, long index, object @event)
{
switch (@event)
{
case IMessage message:
var data = message.ToByteArray();
var metadata = Array.Empty <byte>();
if (data.Length > 512 * 1024)
{
using (var compressedStream = new MemoryStream())
{
using (var originalStream = new MemoryStream(data))
using (var gZipStream = new GZipStream(compressedStream, CompressionMode.Compress))
{
originalStream.CopyTo(gZipStream);
}
data = compressedStream.ToArray();
metadata = Encoding.UTF8.GetBytes(
new JObject {
["encoding"] = "gzip"
}.ToString(Formatting.None));
}
}
var eventData = new EventData(Guid.NewGuid(), @event.GetType().Name, false, data, metadata);
var result = await connection.AppendToStream(actorName, index - 1, eventData);
return(result.NextExpectedVersion);
default:
throw new Exception($"Expected event of type 'IMessage', but found {@event.GetType().FullName}.");
}
}
public async void ThrowWhenNoServerAvailable()
{
var stream = $"test-{Guid.NewGuid()}";
var eventData = new EventData(Guid.NewGuid(), "Event1", false, Array.Empty <byte>(), Array.Empty <byte>());
var writeResult = await connection.AppendToStream(stream, ExpectedVersion.NoStream, eventData);
writeResult.NextExpectedVersion.Should().Be(0);
}
public async Task <long> PersistEventAsync(string actorName, long index, object @event)
{
switch (@event)
{
case IMessage message:
var result = await connection.AppendToStream(actorName, index - 1, message.ToEventData());
return(result.NextExpectedVersion);
default:
throw new Exception($"Expected event of type 'IMessage', but found {@event.GetType().FullName}.");
}
}