+ @SCLValue(type = "ReadGraph -> Resource -> Variable -> b")
+ public static Object nodeScalePropertyModifier(ReadGraph graph, Resource resource, Variable context) throws DatabaseException {
+ Resource diagram = resolveElement(graph, context);
+ DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
+ return baseMappingModifier(graph, diagram, DN.Diagram_nodeScaleProperty, DN.Vertex_ScaleProperty, context);
+ }
+
+ @SCLValue(type = "ReadGraph -> Resource -> Variable -> b")
+ public static Function1<Resource, Double> hasDiameterValue(ReadGraph graph, Resource resource, Variable context) throws DatabaseException {
+ return directPropertyValueFunction(DistrictNetworkResource.getInstance(graph).Edge_HasDiameter, 0);
+ }
+
+ @SCLValue(type = "ReadGraph -> Resource -> Variable -> b")
+ public static Function1<Resource, Double> hasNominalMassFlowValue(ReadGraph graph, Resource resource, Variable context) throws DatabaseException {
+ return directPropertyValueFunction(DistrictNetworkResource.getInstance(graph).Edge_HasNominalMassFlow, 0);
+ }
+
+ @SCLValue(type = "ReadGraph -> Resource -> Variable -> b")
+ public static Function1<Resource, Double> hasNominalSupplyPressure(ReadGraph graph, Resource resource, Variable context) throws DatabaseException {
+ return directPropertyValueFunction(DistrictNetworkResource.getInstance(graph).Vertex_HasSupplyPressure, 0);
+ }
+
+ @SCLValue(type = "ReadGraph -> Resource -> Variable -> b")
+ public static Function1<Resource, Double> hasElevation(ReadGraph graph, Resource resource, Variable context) throws DatabaseException {
+ return directPropertyValueFunction(DistrictNetworkResource.getInstance(graph).Vertex_HasElevation, 0);
+ }
+
+ private static final Function1<Resource, Double> ONE = new FunctionImpl1<Resource, Double>() {
+ private final Double ONE = 1.0;
+ @Override
+ public Double apply(Resource edge) {
+ return ONE;
+ }
+ };
+
+ @SCLValue(type = "ReadGraph -> Resource -> Variable -> b")
+ public static Function1<Resource, Double> constantOne(ReadGraph graph, Resource resource, Variable context) throws DatabaseException {
+ return ONE;
+ }
+
+ private static Function1<Resource, Double> directPropertyValueFunction(Resource property, double defaultValue) throws DatabaseException {
+ Double def = defaultValue;
+ return new FunctionImpl1<Resource, Double>() {
+ @Override
+ public Double apply(Resource edge) {
+ ReadGraph graph = (ReadGraph) SCLContext.getCurrent().get("graph");
+ try {
+ Double d = graph.getPossibleRelatedValue(edge, property, Bindings.DOUBLE);
+ return d != null ? d : def;
+ } catch (DatabaseException e) {
+ LOGGER.error("Failed to evaluate property value", e);
+ return def;
+ }
+ }
+ };
+ }
+