public ProcessResult Process(TcpPackage package)
{
try
{
if (package.Command != TcpCommand.WriteEventsCompleted)
{
return new ProcessResult(ProcessResultStatus.NotifyError,
new Exception(string.Format("Not expected command, expected {0}, received {1}",
TcpCommand.WriteEventsCompleted, package.Command)));
}
var data = package.Data;
var dto = data.Deserialize<ClientMessages.WriteEventsCompleted>();
_resultDto = dto;
switch ((OperationErrorCode)dto.ErrorCode)
{
case OperationErrorCode.Success:
return new ProcessResult(ProcessResultStatus.Success);
case OperationErrorCode.PrepareTimeout:
case OperationErrorCode.CommitTimeout:
case OperationErrorCode.ForwardTimeout:
if (Attempt < MaxRetriesCount)
{
return new ProcessResult(ProcessResultStatus.Retry);
}
else
{
return new ProcessResult(ProcessResultStatus.NotifyError,
new Exception(string.Format("Max retries count reached, last error: {0}",
(OperationErrorCode)dto.ErrorCode)));
}
case OperationErrorCode.WrongExpectedVersion:
case OperationErrorCode.StreamDeleted:
case OperationErrorCode.InvalidTransaction:
return new ProcessResult(ProcessResultStatus.NotifyError,
new Exception(string.Format("{0}", (OperationErrorCode)dto.ErrorCode)));
default:
throw new ArgumentOutOfRangeException();
}
}
catch (Exception ex)
{
return new ProcessResult(ProcessResultStatus.NotifyError, ex);
}
}
public bool UpdateForNextAttempt()
{
_resultDto = null;
var correlationId = Guid.NewGuid();
Attempt += 1;
var package = new TcpPackage(SentPackage.Command, correlationId, SentPackage.Data);
SentPackage = package;
return true;
}