bundles/org.simantics.image2.ontology/src/org/simantics/image2/ontology/ImageResource.java

   1 package org.simantics.image2.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 ImageResource {\r
  12     \r
  13     public final Resource Functions;\r
  14     public final Resource Functions_data;\r
  15     public final Resource GifImage;\r
  16     public final Resource Image;\r
  17     public final Resource Image_HasFormat;\r
  18     public final Resource Image_HasFormat_Inverse;\r
  19     public final Resource Image_data;\r
  20     public final Resource Image_data_Inverse;\r
  21     public final Resource JpegImage;\r
  22     public final Resource PngImage;\r
  23     public final Resource SvgImage;\r
  24         \r
  25     public static class URIs {\r
  26         public static final String Functions = "http://www.simantics.org/Image2-1.2/Functions";\r
  27         public static final String Functions_data = "http://www.simantics.org/Image2-1.2/Functions/data";\r
  28         public static final String GifImage = "http://www.simantics.org/Image2-1.2/GifImage";\r
  29         public static final String Image = "http://www.simantics.org/Image2-1.2/Image";\r
  30         public static final String Image_HasFormat = "http://www.simantics.org/Image2-1.2/Image/HasFormat";\r
  31         public static final String Image_HasFormat_Inverse = "http://www.simantics.org/Image2-1.2/Image/HasFormat/Inverse";\r
  32         public static final String Image_data = "http://www.simantics.org/Image2-1.2/Image/data";\r
  33         public static final String Image_data_Inverse = "http://www.simantics.org/Image2-1.2/Image/data/Inverse";\r
  34         public static final String JpegImage = "http://www.simantics.org/Image2-1.2/JpegImage";\r
  35         public static final String PngImage = "http://www.simantics.org/Image2-1.2/PngImage";\r
  36         public static final String SvgImage = "http://www.simantics.org/Image2-1.2/SvgImage";\r
  37     }\r
  38     \r
  39     public static Resource getResourceOrNull(ReadGraph graph, String uri) {\r
  40         try {\r
  41             return graph.getResource(uri);\r
  42         } catch(DatabaseException e) {\r
  43             System.err.println(e.getMessage());\r
  44             return null;\r
  45         }\r
  46     }\r
  47     \r
  48     public ImageResource(ReadGraph graph) {\r
  49         Functions = getResourceOrNull(graph, URIs.Functions);\r
  50         Functions_data = getResourceOrNull(graph, URIs.Functions_data);\r
  51         GifImage = getResourceOrNull(graph, URIs.GifImage);\r
  52         Image = getResourceOrNull(graph, URIs.Image);\r
  53         Image_HasFormat = getResourceOrNull(graph, URIs.Image_HasFormat);\r
  54         Image_HasFormat_Inverse = getResourceOrNull(graph, URIs.Image_HasFormat_Inverse);\r
  55         Image_data = getResourceOrNull(graph, URIs.Image_data);\r
  56         Image_data_Inverse = getResourceOrNull(graph, URIs.Image_data_Inverse);\r
  57         JpegImage = getResourceOrNull(graph, URIs.JpegImage);\r
  58         PngImage = getResourceOrNull(graph, URIs.PngImage);\r
  59         SvgImage = getResourceOrNull(graph, URIs.SvgImage);\r
  60     }\r
  61     \r
  62     public static ImageResource getInstance(ReadGraph graph) {\r
  63         Session session = graph.getSession();\r
  64         ImageResource ret = session.peekService(ImageResource.class);\r
  65         if(ret == null) {\r
  66             QueryControl qc = graph.getService(QueryControl.class);\r
  67             ret = new ImageResource(qc.getIndependentGraph(graph));\r
  68             session.registerService(ImageResource.class, ret);\r
  69         }\r
  70         return ret;\r
  71     }\r
  72     \r
  73     public static ImageResource getInstance(RequestProcessor session) throws DatabaseException {\r
  74         ImageResource ret = session.peekService(ImageResource.class);\r
  75         if(ret == null) {\r
  76             ret = session.syncRequest(new Read<ImageResource>() {\r
  77                 public ImageResource perform(ReadGraph graph) throws DatabaseException {\r
  78                     QueryControl qc = graph.getService(QueryControl.class);\r
  79                     return new ImageResource(qc.getIndependentGraph(graph));\r
  80                 }\r
  81             });\r
  82             session.registerService(ImageResource.class, ret);\r
  83         }\r
  84         return ret;\r
  85     }\r
  86     \r
  87 }\r
  88 \r