bundles/org.simantics.scenegraph.loader/src/org/simantics/scenegraph/loader/function/All.java

   1 package org.simantics.scenegraph.loader.function;\r
   2 \r
   3 import org.simantics.databoard.Bindings;\r
   4 import org.simantics.db.ReadGraph;\r
   5 import org.simantics.db.Resource;\r
   6 import org.simantics.db.exception.DatabaseException;\r
   7 import org.simantics.db.layer0.variable.Variable;\r
   8 import org.simantics.db.layer0.variable.Variables;\r
   9 import org.simantics.layer0.Layer0;\r
  10 import org.simantics.scenegraph.loader.SceneGraphContext;\r
  11 import org.simantics.scenegraph.loader.ScenegraphLoaderUtils;\r
  12 import org.simantics.scenegraph.ontology.ScenegraphResources;\r
  13 import org.simantics.scl.reflection.annotations.SCLValue;\r
  14 \r
  15 public class All {\r
  16 \r
  17     @SCLValue(type = "ReadGraph -> Resource -> Variable -> Variable")\r
  18     public static Variable defaultRuntimeVariable(ReadGraph graph, Resource converter, Variable context) throws DatabaseException {\r
  19         \r
  20         SceneGraphContext vc = ScenegraphLoaderUtils.getContext(graph, context);\r
  21         if(vc == null) return null;\r
  22         \r
  23         ScenegraphResources SG = ScenegraphResources.getInstance(graph);\r
  24         String uri = graph.getRelatedValue(vc.getRuntime(), SG.Runtime_HasVariable, Bindings.STRING);\r
  25         return Variables.getVariable(graph, uri);\r
  26         \r
  27     }\r
  28 \r
  29     @SCLValue(type = "ReadGraph -> Resource -> Variable -> Resource")\r
  30     public static Resource defaultRuntimeResource(ReadGraph graph, Resource converter, Variable context) throws DatabaseException {\r
  31         \r
  32         SceneGraphContext vc = ScenegraphLoaderUtils.getContext(graph, context);\r
  33         if(vc == null) return null;\r
  34         \r
  35         ScenegraphResources SG = ScenegraphResources.getInstance(graph);\r
  36         return graph.getSingleObject(vc.getRuntime(), SG.Runtime_HasResource);\r
  37         \r
  38     }\r
  39 \r
  40     \r
  41         private static Object walk(ReadGraph graph, Variable context, String name) throws DatabaseException {\r
  42                 \r
  43                 Variable var = context.getPossibleProperty(graph, name);\r
  44                 if(var != null) return var.getValue(graph);\r
  45                 \r
  46                 Variable parent = context.getParent(graph);\r
  47                 if(parent == null) return null; \r
  48                 \r
  49                 return walk(graph, parent, name);\r
  50                 \r
  51         }\r
  52         \r
  53     @SCLValue(type = "ReadGraph -> Resource -> Variable -> a")\r
  54     public static Object liftedProperty(ReadGraph graph, Resource converter, Variable context) throws DatabaseException {\r
  55         \r
  56         ScenegraphResources SG = ScenegraphResources.getInstance(graph);\r
  57         final Resource predicate = graph.getSingleObject(converter, SG.LiftedProperty_HasPredicate);\r
  58         \r
  59                 try {\r
  60                         Layer0 L0 = Layer0.getInstance(graph);\r
  61                         Variable parent = context.getParent(graph);\r
  62                         String name = graph.getRelatedValue(predicate, L0.HasName, Bindings.STRING);\r
  63                         return walk(graph, parent, name);\r
  64                 } catch (DatabaseException e) {\r
  65                         e.printStackTrace();\r
  66                         return null;\r
  67                 }\r
  68         \r
  69     }\r
  70         \r
  71     @SCLValue(type = "ReadGraph -> Resource -> Variable -> Variable")\r
  72     public static Variable singleVariableSelection(ReadGraph graph, Resource resource, Variable context) throws DatabaseException {\r
  73         return ScenegraphLoaderUtils.getVariableSelection(graph, context);\r
  74     }\r
  75     \r
  76 }\r