Fix: Add missing setParent calls

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/datastructure/AbstractBridgeObject.java

@@ -181,6 +181,7 @@ public abstract class AbstractBridgeObject extends CityObject implements Constru
 
     public void addRoom(BridgeRoom room) {
         bridgeRooms.add(room);
+        room.setParent(this);
     }
 
     public void addFurniture(BridgeRoomFurniture furniture){

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/datastructure/AbstractBuildingSubdivision.java

@@ -186,24 +186,22 @@ public abstract class AbstractBuildingSubdivision extends CityObject implements
         bs.setParent(this);
     }
 
-    public void addInstallation(Installation coBi) {
-        buildingInstallations.add(coBi);
-        coBi.setParent(this);
+    public void addInstallation(Installation installation) {
+        buildingInstallations.add(installation);
+        installation.setParent(this);
     }
 
     public void addRoom(BuildingRoom room) {
         buildingRooms.add(room);
-        room.setParent(this);
     }
 
-    public void addFurniture(BuildingRoomFurniture roomFurniture) {
-        buildingRoomFurnitureList.add(roomFurniture);
-        roomFurniture.setParent(this);
+    public void addFurniture(BuildingRoomFurniture furniture) {
+        buildingRoomFurnitureList.add(furniture);
+        furniture.setParent(this);
     }
 
     public void addConstructiveElement(BuildingConstructiveElement buildingConstructiveElement) {
         buildingConstructiveElements.add(buildingConstructiveElement);
-        buildingConstructiveElement.setParent(this);
     }
 
     public void setGmlObject(org.citygml4j.core.model.building.AbstractBuildingSubdivision abs) {

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/datastructure/BuildingRoom.java

@@ -33,6 +33,7 @@ public class BuildingRoom extends AbstractRoom {
 
     public void addFurniture(BuildingRoomFurniture furniture) {
         this.furniture.add(furniture);
+        furniture.setParent(this);
     }
 
 

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/datastructure/BuildingRoomFurniture.java

@@ -24,6 +24,10 @@ public class BuildingRoomFurniture extends AbstractFurniture {
         this.parent = parent;
     }
 
+    public void setParent(BuildingRoom  parent) {
+        this.parent = parent;
+    }
+
     @Override
     public CityObject getParent() {
         return parent;

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/datastructure/Tunnel.java

@@ -40,6 +40,7 @@ public class Tunnel extends AbstractTunnel {
 
     public void addTunnelPart(TunnelPart tunnelPart) {
         tunnelParts.add(tunnelPart);
+        tunnelPart.setParent(this);
     }
 
     @Override