public void Pipeline_state_is_persisted()
{
string pipelineName = Guid.NewGuid().ToString();
var emptyState = _sut.GetLastProcessedSequentialNumber(pipelineName);
emptyState.Should().Be(0);
var headers = new Dictionary <string, object>();
var commit = new Commit(Guid.NewGuid(), 1, Guid.NewGuid(), 1, DateTime.UtcNow, headers, new List <EventMessage>()
{
new EventMessage()
});
_sut.Commit(commit);
_sut.MarkLastProcessed(pipelineName, commit.StreamId, commit.CommitId);
var setState = _sut.GetLastProcessedSequentialNumber(pipelineName);
setState.Should().NotBe(0);
}
public IEnumerable <IProcessingElement> Fetch(string pipelineName, int maxCount)
{
if (_lastCommitSequentialId == EmtpySequentialIdValue)
{
_lastCommitSequentialId = _streamStore.GetLastProcessedSequentialNumber(pipelineName);
}
var commits = _streamStore.Fetch(_lastCommitSequentialId, maxCount);
foreach (var commit in commits)
{
var thisCommitSequentialId = (long)commit.Headers["SequentialId"];
if (_firstCommitFetched && _lastCommitSequentialId == thisCommitSequentialId)
{
continue;
}
_lastCommitSequentialId = thisCommitSequentialId;
foreach (EventMessage eventMessage in commit.Events)
{
var storedEvent = (StoredEvent)eventMessage.Body;
yield return(new SourcedEventProcessingElement(storedEvent.Convert(commit.StreamId)));
}
_firstCommitFetched = true;
}
}
