bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SpreadsheetStates.java

   1 package org.simantics.spreadsheet.graph;
   2
   3 import java.util.Collection;
   4 import java.util.HashMap;
   5 import java.util.Map;
   6
   7 import org.simantics.databoard.Bindings;
   8 import org.simantics.db.ReadGraph;
   9 import org.simantics.db.Resource;
  10 import org.simantics.db.common.request.ObjectsWithType;
  11 import org.simantics.db.exception.DatabaseException;
  12 import org.simantics.db.layer0.request.VariableRead;
  13 import org.simantics.db.layer0.variable.Variable;
  14 import org.simantics.layer0.Layer0;
  15 import org.simantics.spreadsheet.resource.SpreadsheetResource;
  16
  17 public class SpreadsheetStates extends VariableRead<Map<String, Resource>> {
  18
  19     public SpreadsheetStates(Variable variable) {
  20         super(variable);
  21     }
  22
  23     @Override
  24     public Map<String, Resource> perform(ReadGraph graph) throws DatabaseException {
  25         Resource book = variable.getParent(graph).getRepresents(graph);
  26         Layer0 L0 = Layer0.getInstance(graph);
  27         Collection<Resource> states = graph.syncRequest(new ObjectsWithType(book, L0.ConsistsOf, SpreadsheetResource.getInstance(graph).InitialCondition));
  28         Map<String, Resource> result = new HashMap<>(states.size());
  29         states.forEach(state -> {
  30             try {
  31                 String name = graph.getPossibleRelatedValue(state, L0.HasName, Bindings.STRING);
  32                 result.put(name, state);
  33             } catch (Exception e) {
  34                 e.printStackTrace();
  35             }
  36         });
  37         return result;
  38
  39     }
  40
  41 }