org.simantics.district.route.ontology/src/org/simantics/district/route/ontology/RouteResource.java

   1 package org.simantics.district.route.ontology;
   2
   3 import org.simantics.db.RequestProcessor;
   4 import org.simantics.db.Resource;
   5 import org.simantics.db.ReadGraph;
   6 import org.simantics.db.request.Read;
   7 import org.simantics.db.Session;
   8 import org.simantics.db.exception.DatabaseException;
   9 import org.simantics.db.service.QueryControl;
  10
  11 public class RouteResource {
  12
  13     public final Resource Actions;
  14     public final Resource Actions_SelectRoute;
  15     public final Resource Actions_ValidateRoute;
  16     public final Resource Route;
  17     public final Resource RouteActionContext;
  18     public final Resource RouteFolder;
  19
  20     public static class URIs {
  21         public static final String Actions = "http://www.simantics.org/DistrictNetworkRoutes-1.0/Actions";
  22         public static final String Actions_SelectRoute = "http://www.simantics.org/DistrictNetworkRoutes-1.0/Actions/SelectRoute";
  23         public static final String Actions_ValidateRoute = "http://www.simantics.org/DistrictNetworkRoutes-1.0/Actions/ValidateRoute";
  24         public static final String Route = "http://www.simantics.org/DistrictNetworkRoutes-1.0/Route";
  25         public static final String RouteActionContext = "http://www.simantics.org/DistrictNetworkRoutes-1.0/RouteActionContext";
  26         public static final String RouteFolder = "http://www.simantics.org/DistrictNetworkRoutes-1.0/RouteFolder";
  27     }
  28
  29     public static Resource getResourceOrNull(ReadGraph graph, String uri) {
  30         try {
  31             return graph.getResource(uri);
  32         } catch(DatabaseException e) {
  33             System.err.println(e.getMessage());
  34             return null;
  35         }
  36     }
  37
  38     public RouteResource(ReadGraph graph) {
  39         Actions = getResourceOrNull(graph, URIs.Actions);
  40         Actions_SelectRoute = getResourceOrNull(graph, URIs.Actions_SelectRoute);
  41         Actions_ValidateRoute = getResourceOrNull(graph, URIs.Actions_ValidateRoute);
  42         Route = getResourceOrNull(graph, URIs.Route);
  43         RouteActionContext = getResourceOrNull(graph, URIs.RouteActionContext);
  44         RouteFolder = getResourceOrNull(graph, URIs.RouteFolder);
  45     }
  46
  47     public static RouteResource getInstance(ReadGraph graph) {
  48         Session session = graph.getSession();
  49         RouteResource ret = session.peekService(RouteResource.class);
  50         if(ret == null) {
  51             QueryControl qc = graph.getService(QueryControl.class);
  52             ret = new RouteResource(qc.getIndependentGraph(graph));
  53             session.registerService(RouteResource.class, ret);
  54         }
  55         return ret;
  56     }
  57
  58     public static RouteResource getInstance(RequestProcessor session) throws DatabaseException {
  59         RouteResource ret = session.peekService(RouteResource.class);
  60         if(ret == null) {
  61             ret = session.syncRequest(new Read<RouteResource>() {
  62                 public RouteResource perform(ReadGraph graph) throws DatabaseException {
  63                     QueryControl qc = graph.getService(QueryControl.class);
  64                     return new RouteResource(qc.getIndependentGraph(graph));
  65                 }
  66             });
  67             session.registerService(RouteResource.class, ret);
  68         }
  69         return ret;
  70     }
  71
  72 }
  73