Improve string getter of scheduleFreespeedModes

LeonardoLuquezi · Aug 3, 2021 · 52e20e3 · 52e20e3
1 parent 7b48783
commit 52e20e3
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/main/java/org/matsim/pt2matsim/config/PublicTransitMappingConfigGroup.java b/src/main/java/org/matsim/pt2matsim/config/PublicTransitMappingConfigGroup.java
@@ -319,7 +319,11 @@ public void setMaxTravelCostFactor(double maxTravelCostFactor) {
 	 */
 	@StringGetter(SCHEDULE_FREESPEED_MODES)
 	public String getScheduleFreespeedModesStr() {
-		return String.join(",", this.scheduleFreespeedModes);
+		if(this.scheduleFreespeedModes == null) {
+			return "";
+		} else {
+			return CollectionUtils.setToString(this.scheduleFreespeedModes);
+		}
 	}
 
 	@StringSetter(SCHEDULE_FREESPEED_MODES)