tests/org.simantics.db.tests/src/org/simantics/db/tests/api/story/sessionGarbageCollection/Read.java

   1 package org.simantics.db.tests.api.story.sessionGarbageCollection;
   2
   3 import java.util.Collection;
   4 import java.util.List;
   5
   6 import org.junit.Assert;
   7 import org.simantics.databoard.Bindings;
   8 import org.simantics.db.ReadGraph;
   9 import org.simantics.db.Resource;
  10 import org.simantics.db.common.utils.ListUtils;
  11 import org.simantics.db.exception.DatabaseException;
  12 import org.simantics.db.testing.common.ReadCommand;
  13 import org.simantics.layer0.Layer0;
  14 import org.simantics.utils.datastructures.collections.CollectionUtils;
  15
  16 public class Read extends ReadCommand<CollectDuringWriteAndRead> {
  17
  18         @Override
  19         protected void run(ReadGraph graph, CollectDuringWriteAndRead environment) throws DatabaseException {
  20
  21                 Layer0 L0 = Layer0.getInstance(graph);
  22                 Resource root = environment.getRoot();
  23                 int size = environment.getListSize();
  24
  25                 Collection<Resource> lists = graph.getObjects(root, L0.ConsistsOf);
  26                 if(lists.size() == 0) return;
  27
  28                 int position = environment.randomNatural() % lists.size();
  29
  30                 Resource list = CollectionUtils.element(lists, position);
  31
  32                 List<Resource> rs = ListUtils.toList(graph, list);
  33                 String n = graph.getRelatedValue(list, L0.HasName, Bindings.STRING);
  34                 for(int i=0;i<size;i++) {
  35                         Resource r2 = rs.get(i);
  36                         String n2 = graph.getRelatedValue(r2, L0.HasName, Bindings.STRING);
  37                         Assert.assertEquals("" + n + "-" + i, n2);
  38                 }
  39
  40         }
  41
  42 }