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

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