bundles/org.simantics.workbench.ontology/src/org/simantics/workbench/ontology/WorkbenchResource.java

   1 package org.simantics.workbench.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 WorkbenchResource {
  12
  13     public final Resource DependenciesSearchContribution;
  14     public final Resource DependenciesSearchFunction;
  15     public final Resource HasWorkbenchSearchFunction;
  16     public final Resource SearchContribution;
  17     public final Resource SearchContribution_isEnabledByDefault;
  18     public final Resource SearchContribution_isEnabledByDefault_Inverse;
  19     public final Resource SearchFunction;
  20     public final Resource hasSearchFunction;
  21
  22     public static class URIs {
  23         public static final String DependenciesSearchContribution = "http://www.simantics.org/Workbench-1.2/DependenciesSearchContribution";
  24         public static final String DependenciesSearchFunction = "http://www.simantics.org/Workbench-1.2/DependenciesSearchFunction";
  25         public static final String HasWorkbenchSearchFunction = "http://www.simantics.org/Workbench-1.2/HasWorkbenchSearchFunction";
  26         public static final String SearchContribution = "http://www.simantics.org/Workbench-1.2/SearchContribution";
  27         public static final String SearchContribution_isEnabledByDefault = "http://www.simantics.org/Workbench-1.2/SearchContribution/isEnabledByDefault";
  28         public static final String SearchContribution_isEnabledByDefault_Inverse = "http://www.simantics.org/Workbench-1.2/SearchContribution/isEnabledByDefault/Inverse";
  29         public static final String SearchFunction = "http://www.simantics.org/Workbench-1.2/SearchFunction";
  30         public static final String hasSearchFunction = "http://www.simantics.org/Workbench-1.2/hasSearchFunction";
  31     }
  32
  33     public static Resource getResourceOrNull(ReadGraph graph, String uri) {
  34         try {
  35             return graph.getResource(uri);
  36         } catch(DatabaseException e) {
  37             System.err.println(e.getMessage());
  38             return null;
  39         }
  40     }
  41
  42     public WorkbenchResource(ReadGraph graph) {
  43         DependenciesSearchContribution = getResourceOrNull(graph, URIs.DependenciesSearchContribution);
  44         DependenciesSearchFunction = getResourceOrNull(graph, URIs.DependenciesSearchFunction);
  45         HasWorkbenchSearchFunction = getResourceOrNull(graph, URIs.HasWorkbenchSearchFunction);
  46         SearchContribution = getResourceOrNull(graph, URIs.SearchContribution);
  47         SearchContribution_isEnabledByDefault = getResourceOrNull(graph, URIs.SearchContribution_isEnabledByDefault);
  48         SearchContribution_isEnabledByDefault_Inverse = getResourceOrNull(graph, URIs.SearchContribution_isEnabledByDefault_Inverse);
  49         SearchFunction = getResourceOrNull(graph, URIs.SearchFunction);
  50         hasSearchFunction = getResourceOrNull(graph, URIs.hasSearchFunction);
  51     }
  52
  53     public static WorkbenchResource getInstance(ReadGraph graph) {
  54         Session session = graph.getSession();
  55         WorkbenchResource ret = session.peekService(WorkbenchResource.class);
  56         if(ret == null) {
  57             QueryControl qc = graph.getService(QueryControl.class);
  58             ret = new WorkbenchResource(qc.getIndependentGraph(graph));
  59             session.registerService(WorkbenchResource.class, ret);
  60         }
  61         return ret;
  62     }
  63
  64     public static WorkbenchResource getInstance(RequestProcessor session) throws DatabaseException {
  65         WorkbenchResource ret = session.peekService(WorkbenchResource.class);
  66         if(ret == null) {
  67             ret = session.syncRequest(new Read<WorkbenchResource>() {
  68                 public WorkbenchResource perform(ReadGraph graph) throws DatabaseException {
  69                     QueryControl qc = graph.getService(QueryControl.class);
  70                     return new WorkbenchResource(qc.getIndependentGraph(graph));
  71                 }
  72             });
  73             session.registerService(WorkbenchResource.class, ret);
  74         }
  75         return ret;
  76     }
  77
  78 }
  79