bundles/org.simantics.modeling/src/org/simantics/modeling/adapters/SCLTest.java

   1 package org.simantics.modeling.adapters;\r
   2 \r
   3 import org.simantics.browsing.ui.model.tests.Test;\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.modeling.ModelingResources;\r
  10 import org.simantics.scl.runtime.SCLContext;\r
  11 import org.simantics.scl.runtime.function.Function1;\r
  12 \r
  13 public class SCLTest implements Test {\r
  14 \r
  15     private Resource rule;\r
  16     \r
  17     public SCLTest(ReadGraph graph, Resource rule) {\r
  18         this.rule = rule;\r
  19     }\r
  20     \r
  21     @Override\r
  22     public boolean isCompatible(Class<?> contentType) {\r
  23         return contentType.equals(Resource.class) || contentType.equals(Variable.class);\r
  24     }\r
  25 \r
  26     @Override\r
  27     public boolean test(ReadGraph graph, Object content) throws DatabaseException {\r
  28         \r
  29         ModelingResources MOD = ModelingResources.getInstance(graph);\r
  30         \r
  31         Variable ruleVariable = Variables.getVariable(graph, rule);\r
  32         Function1<Object,Boolean> test = ruleVariable.getPossiblePropertyValue(graph, MOD.SCLTest_test);\r
  33         if(test == null) return false;\r
  34 \r
  35         SCLContext sclContext = SCLContext.getCurrent();\r
  36         Object oldGraph = sclContext.get("graph");\r
  37         try {\r
  38             sclContext.put("graph", graph);\r
  39             Object value = test.apply((Resource)content);\r
  40             return (Boolean)value;\r
  41         } catch (Throwable t) {\r
  42                 throw new DatabaseException(t);\r
  43         } finally {\r
  44             sclContext.put("graph", oldGraph);\r
  45         }\r
  46         \r
  47     }\r
  48 \r
  49 }\r