From ab03b38e6c0bad0fc726bf36b3c253a249ebd0b1 Mon Sep 17 00:00:00 2001
From: Mark van Renswoude <mark@x2software.net>
Date: Wed, 19 Dec 2018 15:53:56 +0100
Subject: [PATCH] Fix for exception "Neither Store nor Delete are called for
 the state of the current flow" with parallel requests

---
 Tapeti.Flow/Default/FlowMessageMiddleware.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Tapeti.Flow/Default/FlowMessageMiddleware.cs b/Tapeti.Flow/Default/FlowMessageMiddleware.cs
index 394ae0b..0dbd1c7 100644
--- a/Tapeti.Flow/Default/FlowMessageMiddleware.cs
+++ b/Tapeti.Flow/Default/FlowMessageMiddleware.cs
@@ -25,6 +25,9 @@ namespace Tapeti.Flow.Default
                     await CallConvergeMethod(context,
                                              flowContext.ContinuationMetadata.ConvergeMethodName, 
                                              flowContext.ContinuationMetadata.ConvergeMethodSync);
+                else if (flowContext.FlowState.Continuations.Count > 0)
+                    // This is a parallel flow waiting for other continuations, always store the state
+                    await flowContext.Store();
             }
             else
                 await next();