Feat: Add function stub for method

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/database/DatabaseHandler.java

@@ -3,6 +3,7 @@ package de.hft.stuttgart.citydoctor2.database;
 import de.hft.stuttgart.citydoctor2.datastructure.BoundingBox;
 import de.hft.stuttgart.citydoctor2.datastructure.CityObject;
 import de.hft.stuttgart.citydoctor2.datastructure.GmlId;
+import de.hft.stuttgart.citydoctor2.utils.Pair;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.h2gis.functions.factory.H2GISDBFactory;
@@ -173,6 +174,12 @@ public class DatabaseHandler {
         return intersectingObjects;
     }
 
+    public static List<Pair<CityObject, List<CityObject>>> getCollidingObjects() {
+        List<Pair<CityObject, List<CityObject>>> collidingObjects = new ArrayList<>();
+        // TODO: Implement query to return all Objects that have a collision and the list of whhich other objects collide
+        return collidingObjects;
+    }
+
     public static int getFeatureCount() {
         int count = -1;