How to use

Flow

in

com.obsidiandynamics.flow

@Override
public Confirmation begin(MessageContext context, Message message) {
 final Flow flow = flows.computeIfAbsent(message.getShard(), shard -> {
  final Flow newFlow = new Flow(firingStrategyFactory, Flow.class.getSimpleName() + "-shard-[" + shard + "]");
  synchronized (terminateLock) {
   createdFlows.add(newFlow);
   if (terminated) {
    // the container was already terminated -- terminate the newly created flow; the resulting Confirmation
    // objects won't do anything
    newFlow.terminate();
   }
  }
  return newFlow;
 });
 final MessageId messageId = message.getMessageId();
 return flow.begin(messageId, new ConfirmTask(context, messageId));
}

 @Override
 public void cycle(WorkerThread thread) throws InterruptedException {
  if (current != null) {
   if (current.isAnchor()) {
    // skip the anchor
   } else if (current.isConfirmed()) {
    flow.removeWithoutCompleting(current.getId());
    complete = current;
   } else {
    if (complete != null) { 
     flow.complete(complete);
     complete = null;
    }
    
    Thread.sleep(CYCLE_IDLE_INTERVAL_MILLIS);
    return;
   }
  } else {
   Thread.sleep(CYCLE_IDLE_INTERVAL_MILLIS);
  }
  
  current = head.next();
  if (current != null) {
   head = current;
  } else if (complete != null) { 
   flow.complete(complete);
   complete = null;
  }
 }
}

 @Override
 public void cycle(WorkerThread thread) throws InterruptedException {
  if (current != null) {
   if (current.isAnchor()) {
    // skip the anchor
   } else if (current.isConfirmed()) {
    flow.complete(current);
   } else {
    Thread.sleep(CYCLE_IDLE_INTERVAL_MILLIS);
    return;
   }
  } else {
   Thread.sleep(CYCLE_IDLE_INTERVAL_MILLIS);
  }
  
  current = head.next();
  if (current != null) {
   head = current;
  }
 }
}