From 52514db567933b3df89fa11043434d3b879ca316 Mon Sep 17 00:00:00 2001
From: Georg Hoelger <georg.hoelger@fokus.fraunhofer.de>
Date: Wed, 18 Sep 2024 14:59:09 +0200
Subject: [PATCH] fix: disallow servers to read environmental data

---
 .../ambassador/simulation/AbstractSimulationUnit.java     | 2 +-
 .../fed/application/ambassador/simulation/ServerUnit.java | 8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/fed/mosaic-application/src/main/java/org/eclipse/mosaic/fed/application/ambassador/simulation/AbstractSimulationUnit.java b/fed/mosaic-application/src/main/java/org/eclipse/mosaic/fed/application/ambassador/simulation/AbstractSimulationUnit.java
index 19802a3f3..ebfc34c30 100644
--- a/fed/mosaic-application/src/main/java/org/eclipse/mosaic/fed/application/ambassador/simulation/AbstractSimulationUnit.java
+++ b/fed/mosaic-application/src/main/java/org/eclipse/mosaic/fed/application/ambassador/simulation/AbstractSimulationUnit.java
@@ -427,7 +427,7 @@ public final void cleanPastEnvironmentEvents() {
     }
 
     @Override
-    public final int getStateOfEnvironmentSensor(SensorType type) {
+    public int getStateOfEnvironmentSensor(SensorType type) {
         EnvironmentEvent event = environmentEvents.get(type);
         // If an event of this type in the map yet?
         if (event != null) {
diff --git a/fed/mosaic-application/src/main/java/org/eclipse/mosaic/fed/application/ambassador/simulation/ServerUnit.java b/fed/mosaic-application/src/main/java/org/eclipse/mosaic/fed/application/ambassador/simulation/ServerUnit.java
index 458bb4cc5..339f2cb76 100644
--- a/fed/mosaic-application/src/main/java/org/eclipse/mosaic/fed/application/ambassador/simulation/ServerUnit.java
+++ b/fed/mosaic-application/src/main/java/org/eclipse/mosaic/fed/application/ambassador/simulation/ServerUnit.java
@@ -20,6 +20,7 @@
 import org.eclipse.mosaic.fed.application.ambassador.simulation.navigation.IRoutingModule;
 import org.eclipse.mosaic.fed.application.ambassador.simulation.navigation.NavigationModule;
 import org.eclipse.mosaic.fed.application.app.api.os.ServerOperatingSystem;
+import org.eclipse.mosaic.lib.enums.SensorType;
 import org.eclipse.mosaic.lib.objects.mapping.ServerMapping;
 import org.eclipse.mosaic.lib.util.scheduling.Event;
 
@@ -53,10 +54,15 @@ public ServerUnit(String unitName) {
     }
 
     @Override
-    public CamBuilder assembleCamMessage(CamBuilder camBuilder) {
+    public final CamBuilder assembleCamMessage(CamBuilder camBuilder) {
         throw new UnsupportedOperationException("Servers can't send CAMs.");
     }
 
+    @Override
+    public final int getStateOfEnvironmentSensor(SensorType type) {
+        throw new UnsupportedOperationException("Servers can't access Environment functionality.");
+    }
+
     @Override
     public IRoutingModule getRoutingModule() {
         return routingModule;