public Worker(IMessageVisitorFactory msgVisitorFactory, Func <TIn, TOut> funWork, Func <ISharedPipe <IMessage> > pipeFactory, bool shouldStopOnError)
{
_funWork = funWork;
_msgVisitor = msgVisitorFactory.Create(this);
OnEndOfStream += OnEndOfStreamHandler;
(_toReader, _writer) = pipeFactory().GetReaderWriterCouple();
// Dispose handler
_unsubscriber = new Unsubscriber();
// unsubscribe the event on dispose
_unsubscriber.RegisterSubscription(() => OnEndOfStream -= OnEndOfStreamHandler);
}
public void PipeFrom(IReadable <IMessage> reader)
{
_fromReader = reader;
if (_fromReader.Reader.TryRegisterReaderHandler((msg) => msg.Accept(_msgVisitor), out int id))
{
void UnsubscribeFromReader()
{
_fromReader.Reader.TryUnregisterReaderHandler(id);
_fromReader.Dispose();
}
// unsubscribe the message handler, then dispose the from reader.
_unsubscriber.RegisterSubscription(UnsubscribeFromReader);
}
}
