gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 package org.simantics.jfreechart.chart.properties;\r
   2 \r
   3 import java.util.Collection;\r
   4 import java.util.Collections;\r
   5 \r
   6 import org.simantics.db.ReadGraph;\r
   7 import org.simantics.db.Resource;\r
   8 import org.simantics.db.exception.DatabaseException;\r
   9 import org.simantics.db.request.Read;\r
  10 \r
  11 public class AllVariablesOfModel implements Read<Collection<ChartVariable>> {\r
  12         \r
  13         public Resource res;\r
  14         \r
  15         public AllVariablesOfModel(Resource res) {\r
  16                 this.res = res;\r
  17         }\r
  18         \r
  19         @Override\r
  20         public Collection<ChartVariable> perform(ReadGraph graph) throws DatabaseException {\r
  21                 if(!graph.hasStatement(res))\r
  22                  return Collections.emptyList();\r
  23                 IAllVariablesOfModel query = graph.adapt(res, IAllVariablesOfModel.class);\r
  24                 return graph.syncRequest(query.getVariablesQuery());\r
  25         }\r
  26 \r
  27 }\r