bundles/org.simantics.graphfile.ontology/src/org/simantics/graphfile/ontology/GraphFileResource.java

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