+ writeStringValue(graph, row, pipeCodeIndex, edge, DN.Edge_HasPipeCode);
+ writeIntegerValue(graph, row, installationYearIndex, edge, DN.Edge_HasInstallationYear);
+ writeValue(graph, row, wallThicknessIndex, edge, DN.Edge_HasWallThickness);
+ writeValue(graph, row, insulationConductivityIndex, edge, DN.Edge_HasInsulationConductivity);
+ writeIntegerValue(graph, row, pipeSizeDNIndex, edge, DN.Edge_HasPipeSizeDN);
+ writeValue(graph, row, roughnessIndex, edge, DN.Edge_HasRoughness);
+ writeStringValue(graph, row, structureIndex, edge, DN.Edge_HasStructure);