gerrit.simantics Code Review - simantics/platform.git/blob

   1 package org.simantics.graphfile.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 GraphFileResource {
  12
  13     public final Resource File;
  14     public final Resource Folder;
  15     public final Resource HasFile;
  16     public final Resource HasFile_Inverse;
  17     public final Resource HasFiledata;
  18     public final Resource HasFiledata_Inverse;
  19     public final Resource HasFolder;
  20     public final Resource HasFolder_Inverse;
  21     public final Resource HasResourceName;
  22     public final Resource HasResourceName_Inverse;
  23     public final Resource HasSystemResource;
  24     public final Resource LastModified;
  25     public final Resource LastModified_Inverse;
  26     public final Resource PartOfSystemResource;
  27     public final Resource SystemPath;
  28     public final Resource SystemPath_Inverse;
  29     public final Resource SystemResource;
  30
  31     public static class URIs {
  32         public static final String File = "http://www.simantics.org/GraphFile-0.1/File";
  33         public static final String Folder = "http://www.simantics.org/GraphFile-0.1/Folder";
  34         public static final String HasFile = "http://www.simantics.org/GraphFile-0.1/HasFile";
  35         public static final String HasFile_Inverse = "http://www.simantics.org/GraphFile-0.1/HasFile/Inverse";
  36         public static final String HasFiledata = "http://www.simantics.org/GraphFile-0.1/HasFiledata";
  37         public static final String HasFiledata_Inverse = "http://www.simantics.org/GraphFile-0.1/HasFiledata/Inverse";
  38         public static final String HasFolder = "http://www.simantics.org/GraphFile-0.1/HasFolder";
  39         public static final String HasFolder_Inverse = "http://www.simantics.org/GraphFile-0.1/HasFolder/Inverse";
  40         public static final String HasResourceName = "http://www.simantics.org/GraphFile-0.1/HasResourceName";
  41         public static final String HasResourceName_Inverse = "http://www.simantics.org/GraphFile-0.1/HasResourceName/Inverse";
  42         public static final String HasSystemResource = "http://www.simantics.org/GraphFile-0.1/HasSystemResource";
  43         public static final String LastModified = "http://www.simantics.org/GraphFile-0.1/LastModified";
  44         public static final String LastModified_Inverse = "http://www.simantics.org/GraphFile-0.1/LastModified/Inverse";
  45         public static final String PartOfSystemResource = "http://www.simantics.org/GraphFile-0.1/PartOfSystemResource";
  46         public static final String SystemPath = "http://www.simantics.org/GraphFile-0.1/SystemPath";
  47         public static final String SystemPath_Inverse = "http://www.simantics.org/GraphFile-0.1/SystemPath/Inverse";
  48         public static final String SystemResource = "http://www.simantics.org/GraphFile-0.1/SystemResource";
  49     }
  50
  51     public static Resource getResourceOrNull(ReadGraph graph, String uri) {
  52         try {
  53             return graph.getResource(uri);
  54         } catch(DatabaseException e) {
  55             System.err.println(e.getMessage());
  56             return null;
  57         }
  58     }
  59
  60     public GraphFileResource(ReadGraph graph) {
  61         File = getResourceOrNull(graph, URIs.File);
  62         Folder = getResourceOrNull(graph, URIs.Folder);
  63         HasFile = getResourceOrNull(graph, URIs.HasFile);
  64         HasFile_Inverse = getResourceOrNull(graph, URIs.HasFile_Inverse);
  65         HasFiledata = getResourceOrNull(graph, URIs.HasFiledata);
  66         HasFiledata_Inverse = getResourceOrNull(graph, URIs.HasFiledata_Inverse);
  67         HasFolder = getResourceOrNull(graph, URIs.HasFolder);
  68         HasFolder_Inverse = getResourceOrNull(graph, URIs.HasFolder_Inverse);
  69         HasResourceName = getResourceOrNull(graph, URIs.HasResourceName);
  70         HasResourceName_Inverse = getResourceOrNull(graph, URIs.HasResourceName_Inverse);
  71         HasSystemResource = getResourceOrNull(graph, URIs.HasSystemResource);
  72         LastModified = getResourceOrNull(graph, URIs.LastModified);
  73         LastModified_Inverse = getResourceOrNull(graph, URIs.LastModified_Inverse);
  74         PartOfSystemResource = getResourceOrNull(graph, URIs.PartOfSystemResource);
  75         SystemPath = getResourceOrNull(graph, URIs.SystemPath);
  76         SystemPath_Inverse = getResourceOrNull(graph, URIs.SystemPath_Inverse);
  77         SystemResource = getResourceOrNull(graph, URIs.SystemResource);
  78     }
  79
  80     public static GraphFileResource getInstance(ReadGraph graph) {
  81         Session session = graph.getSession();
  82         GraphFileResource ret = session.peekService(GraphFileResource.class);
  83         if(ret == null) {
  84             QueryControl qc = graph.getService(QueryControl.class);
  85             ret = new GraphFileResource(qc.getIndependentGraph(graph));
  86             session.registerService(GraphFileResource.class, ret);
  87         }
  88         return ret;
  89     }
  90
  91     public static GraphFileResource getInstance(RequestProcessor session) throws DatabaseException {
  92         GraphFileResource ret = session.peekService(GraphFileResource.class);
  93         if(ret == null) {
  94             ret = session.syncRequest(new Read<GraphFileResource>() {
  95                 public GraphFileResource perform(ReadGraph graph) throws DatabaseException {
  96                     QueryControl qc = graph.getService(QueryControl.class);
  97                     return new GraphFileResource(qc.getIndependentGraph(graph));
  98                 }
  99             });
 100             session.registerService(GraphFileResource.class, ret);
 101         }
 102         return ret;
 103     }
 104
 105 }
 106