support for importing-exporting CityObjectRelation

src/main/java/org/citygml4j/ade/energy3/bind/EnergyADEMarshaller.java

@@ -73,7 +73,8 @@ public class EnergyADEMarshaller implements ADEMarshaller {
                             .with(SensorConnection.class, this::createSensorConnection)
                             .with(WeatherData.class, this::createWeatherData)
                             .with(WeatherDataProperty.class, this::createWeatherDataProperty)
-                            .with(WeatherStation.class, this::createWeatherStation);
+                            .with(WeatherStation.class, this::createWeatherStation)
+                            .with(CityObjectRelationProperty.class, this::createCityObjectRelationProperty);
                 }
             } finally {
                 lock.unlock();
@@ -137,7 +138,9 @@ public class EnergyADEMarshaller implements ADEMarshaller {
                             .with(TypicalValuesTimeSeries.class, this::marshalTypicalValuesTimeSeries)
                             .with(TypicalValuesTimeSeriesFile.class, this::marshalTypicalValuesTimeSeriesFile)
                             .with(SensorConnection.class, this::marshalSensorConnection)
-                            .with(WeatherStationProperty.class, this::marshalWeatherStationProperty);
+                            .with(WeatherStationProperty.class, this::marshalWeatherStationProperty)
+                            .with(CityObjectRelationProperty.class, this::marshalCityObjectRelationProperty);
+
                 }
             } finally {
                 lock.unlock();
@@ -2245,6 +2248,10 @@ public class EnergyADEMarshaller implements ADEMarshaller {
         return factory.createRefurbishmentMeasureProperty(marshalRefurbishmentMeasureProperty(src));
     }
 
+    private JAXBElement<?> createCityObjectRelationProperty(CityObjectRelationProperty src) {
+        return factory.createRelatedTo(marshalCityObjectRelationProperty(src));
+    }
+
 
     private JAXBElement<?> createAbstractQualifiedAttributeProperty(AbstractQualifiedAttributeProperty src) {
         AbstractQualifiedAttribute attribute = src.getValue();