Including reviewer's comments.

Author: staudtMarius

src/main/java/edu/ie3/simona/api/data/connection/ExtEmDataConnection.java

@@ -45,7 +45,7 @@ public List<UUID> getControlledEms() {
   public void sendSetPoints(
       long tick, Map<UUID, EmSetPoint> setPoints, Optional<Long> maybeNextTick, Logger log) {
     if (setPoints.isEmpty()) {
-      log.warn("No em set points found! Sending no em data to SIMONA for tick {}.", tick);
+      log.debug("No em set points found! Sending no em data to SIMONA for tick {}.", tick);
     } else {
       log.debug("Provided SIMONA with em set points.");
       sendExtMsg(new ProvideEmSetPointData(tick, setPoints, maybeNextTick));

src/main/java/edu/ie3/simona/api/data/connection/ExtPrimaryDataConnection.java

@@ -49,10 +49,9 @@ public Optional<Class<Value>> getValueClass(UUID uuid) {
   public void sendPrimaryData(
       long tick, Map<UUID, Value> primaryData, Optional<Long> maybeNextTick, Logger log) {
     if (primaryData.isEmpty()) {
-      log.warn("No primary data found! Sending no primary data to SIMONA for tick {}.", tick);
+      log.debug("No primary data found! Sending no primary data to SIMONA for tick {}.", tick);
     } else {
       log.debug("Provided SIMONA with primary data. Data: {}", primaryData);
-
       sendExtMsg(new ProvidePrimaryData(tick, primaryData, maybeNextTick));
     }
   }

src/main/java/edu/ie3/simona/api/data/container/ExtInputContainer.java

@@ -65,7 +65,7 @@ public long getTick() {
     return tick;
   }
 
-  /** Returns an option for the next tick, where data will be provided. */
+  /** Returns an option for the next tick, when data will be provided. */
   public Optional<Long> getMaybeNextTick() {
     return maybeNextTick;
   }

src/main/java/edu/ie3/simona/api/data/container/ExtResultContainer.java

@@ -27,7 +27,7 @@ public final class ExtResultContainer implements ExtDataContainer {
   /** Tick for which the results are meant for. */
   private final long tick;
 
-  /** Tick where the external simulation can expect the next results from SIMONA. */
+  /** Tick when the external simulation can expect the next results from SIMONA. */
   private final Optional<Long> maybeNextTick;
 
   /**
@@ -94,7 +94,7 @@ public long getTick() {
     return tick;
   }
 
-  /** Returns an option for the next tick, where data will be provided. */
+  /** Returns an option for the next tick, when data will be provided. */
   public Optional<Long> getMaybeNextTick() {
     return maybeNextTick;
   }