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

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.db.tests.api.support.virtualGraphSupport;
  13
  14 import java.util.Collection;
  15 import java.util.UUID;
  16
  17 import org.junit.Test;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.Statement;
  20 import org.simantics.db.VirtualGraph;
  21 import org.simantics.db.WriteGraph;
  22 import org.simantics.db.common.request.WriteRequest;
  23 import org.simantics.db.common.request.WriteResultRequest;
  24 import org.simantics.db.exception.DatabaseException;
  25 import org.simantics.db.service.VirtualGraphSupport;
  26 import org.simantics.db.testing.base.ExistingDatabaseTest;
  27
  28 public class VirtualGraphSupportListStatementsTest extends ExistingDatabaseTest {
  29
  30         @Test
  31         public void test() throws Exception{
  32
  33                 // Create a new persistent resource
  34                 final Resource resource = getSession().syncRequest(new WriteResultRequest<Resource>() {
  35                     @Override
  36                     public Resource perform(WriteGraph g) throws DatabaseException {
  37                         return g.newResource();
  38                     }
  39                 });
  40
  41                 VirtualGraphSupport vgs = getSession().getService(VirtualGraphSupport.class);
  42                 VirtualGraph vg = vgs.getMemoryPersistent(UUID.randomUUID().toString());
  43
  44                 // Create some virtual graph
  45                 getSession().syncRequest(new WriteRequest(vg) {
  46                     @Override
  47                     public void perform(WriteGraph graph) throws DatabaseException {
  48                         Resource virtual = graph.newResource();
  49                         graph.claim(resource, L0.ConsistsOf, virtual);
  50                         graph.claimLiteral(virtual, L0.HasName, "Name");
  51
  52                     }
  53                 });
  54
  55                 checkException();
  56
  57                 Collection<Statement> stms = vgs.listStatements(vg);
  58
  59                 assertEquals("Amount of statements.", stms.size(), 5);
  60
  61         }
  62
  63 }