bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/IsModelActive.java

   1 package org.simantics.db.layer0.request;\r
   2 \r
   3 import org.simantics.db.ReadGraph;\r
   4 import org.simantics.db.Resource;\r
   5 import org.simantics.db.common.request.ResourceRead;\r
   6 import org.simantics.db.exception.DatabaseException;\r
   7 import org.simantics.operation.Layer0X;\r
   8 \r
   9 public class IsModelActive extends ResourceRead<Boolean> {\r
  10 \r
  11     public IsModelActive(Resource resource) {\r
  12         super(resource);\r
  13     }\r
  14 \r
  15     @Override\r
  16     public Boolean perform(ReadGraph graph) throws DatabaseException {\r
  17         Resource model = graph.sync(new PossibleModel(resource));\r
  18         if(model == null) return false;\r
  19         return graph.hasStatement(model, Layer0X.getInstance(graph).IsActivatedBy);\r
  20     }\r
  21 \r
  22 }\r