From e776b9c2e56b71bbdf6f8abe946975a0ce999274 Mon Sep 17 00:00:00 2001
From: tommi27 <tommi99@hotmail.it>
Date: Wed, 25 Mar 2020 14:50:05 +0100
Subject: [PATCH] socket is now sequential and not concurrent

---
 .../sa4/sanmarinoes/smarthut/socket/SensorSocketEndpoint.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/socket/SensorSocketEndpoint.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/socket/SensorSocketEndpoint.java
index f1e4808..1735b86 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/socket/SensorSocketEndpoint.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/socket/SensorSocketEndpoint.java
@@ -58,9 +58,9 @@ public class SensorSocketEndpoint extends Endpoint {
      * @return number of successful transfer
      */
     public long broadcast(Object message, User u) {
-        final Collection<Session> sessions = authorizedClients.get(u);
+        final HashSet<Session> sessions = new HashSet<>(authorizedClients.get(u));
+
         return sessions.stream()
-                .parallel()
                 .filter(
                         s -> {
                             if (s.isOpen()) return true;