Test: Fix Copy.Copy failure for LinkedPolygons

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

 package de.hft.stuttgart.citydoctor2.database;
 
+import de.hft.stuttgart.citydoctor2.check.CheckableUtilsVisitor;
 import de.hft.stuttgart.citydoctor2.datastructure.BoundingBox;
 import de.hft.stuttgart.citydoctor2.datastructure.CityObject;
+import de.hft.stuttgart.citydoctor2.datastructure.Geometry;
 import de.hft.stuttgart.citydoctor2.datastructure.GmlId;
-import de.hft.stuttgart.citydoctor2.utils.Pair;
 import org.apache.commons.lang3.SerializationUtils;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -97,7 +98,15 @@ public class DatabaseHandler {
                 ResultSet rs = ps.executeQuery();
                 if (rs.next()) {
                     try (InputStream is = rs.getBinaryStream("data")) {
-                        return SerializationUtils.deserialize(is);
+                        CityObject co =  SerializationUtils.deserialize(is);
+                        // Rebuild the adjacency maps
+                        co.accept(new CheckableUtilsVisitor() {
+                            @Override
+                            public void check(Geometry geom) {
+                                geom.updateVertices();
+                            }
+                        });
+                        return co;
                     }
                 }
             } catch (IOException e) {

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

@@ -351,7 +351,6 @@ public class Geometry extends GmlElement {
         in.defaultReadObject();
         edges = new ArrayList<>();
         edgeMap = new HashMap<>();
-        updateVertices();
     }
 
     public void clearMetaData() {

CityDoctorParent/CityDoctorModel/src/test/java/de/hft/stuttgart/citydoctor2/datastructure/BuildingTest.java

@@ -76,6 +76,7 @@ public class BuildingTest {
 		
 		assertEquals(b.getGmlId(), copy.getGmlId());
 
+		copy.prepareForChecking();
 		Geometry copyGeom = copy.getGeometries().get(0);
 		assertNotSame(geom, copyGeom);