bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/ge/VariableInstanceOfTest.java

   1 package org.simantics.document.linking.ge;
   2
   3 import org.simantics.browsing.ui.model.tests.Test;
   4 import org.simantics.db.ReadGraph;
   5 import org.simantics.db.Resource;
   6 import org.simantics.db.exception.DatabaseException;
   7 import org.simantics.db.layer0.variable.Variable;
   8
   9 public class VariableInstanceOfTest  implements Test  {
  10         Resource type;
  11
  12         public VariableInstanceOfTest(Resource type) {
  13                 this.type = type;
  14         }
  15
  16
  17         @Override
  18         public boolean isCompatible(Class<?> contentType) {
  19                 return contentType == Variable.class;
  20         }
  21
  22         @Override
  23         public boolean test(ReadGraph graph, Object content)
  24                         throws DatabaseException {
  25                 Variable variable = (Variable)content;
  26                 Resource res = variable.getPossibleRepresents(graph);
  27                 if (res == null)
  28                         return false;
  29                 return graph.isInstanceOf(res, type);
  30         }
  31
  32
  33 }