tests/org.simantics.db.tests/src/org/simantics/db/tests/api/support/virtualGraphSupport/VirtualGraphTest6.java

   1 package org.simantics.db.tests.api.support.virtualGraphSupport;
   2
   3 import java.util.UUID;
   4
   5 import org.simantics.db.Resource;
   6 import org.simantics.db.VirtualGraph;
   7 import org.simantics.db.WriteGraph;
   8 import org.simantics.db.common.request.WriteResultRequest;
   9 import org.simantics.db.exception.DatabaseException;
  10 import org.simantics.db.service.VirtualGraphSupport;
  11 import org.simantics.db.testing.base.WriteReadTest;
  12
  13 public class VirtualGraphTest6 extends WriteReadTest {
  14
  15     @Override
  16     protected void write(WriteGraph graph) throws DatabaseException {
  17
  18         VirtualGraphSupport support = graph.getService(VirtualGraphSupport.class);
  19         VirtualGraph virt = support.getMemoryPersistent(UUID.randomUUID().toString());
  20
  21         Resource other = graph.syncRequest(new WriteResultRequest<Resource>(virt) {
  22
  23             @Override
  24             public Resource perform(WriteGraph graph) throws DatabaseException {
  25                 Resource other = graph.newResource();
  26                 if (DEBUG)
  27                     System.err.println("other=" + other);
  28                 graph.claim(written, L0.ConsistsOf, L0.PartOf, other);
  29                 return other;
  30             }
  31
  32         });
  33
  34         Resource single = graph.getSingleObject(written, L0.ConsistsOf);
  35         if (DEBUG)
  36             System.err.println("single=" + single);
  37         assertNotNull(single);
  38         assertTrue(single.equals(other));
  39
  40     }
  41
  42 }