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

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