tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getAssertedObjects/GetAssertedObjectsTest6.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.readGraph.getAssertedObjects;
  13
  14 import java.util.Collection;
  15 import java.util.UUID;
  16
  17 import org.simantics.db.ReadGraph;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.WriteGraph;
  20 import org.simantics.db.exception.DatabaseException;
  21 import org.simantics.db.testing.base.WriteReadTest;
  22 import org.simantics.db.tests.common.Writes;
  23
  24 public class GetAssertedObjectsTest6 extends WriteReadTest {
  25
  26     private Resource type;
  27     private Resource type2;
  28     private Resource type3;
  29     private Resource named1;
  30
  31         @Override
  32         protected void write(WriteGraph graph) throws DatabaseException {
  33
  34         type2 = graph.newResource();
  35         graph.claim(type2, L0.Inherits, L0.Entity);
  36         type3 = graph.newResource();
  37         graph.claim(type3, L0.Inherits, L0.Entity);
  38         type = graph.newResource();
  39         graph.claim(type, L0.Inherits, type2);
  40         graph.claim(type, L0.Inherits, type3);
  41
  42         named1 = Writes.named(graph, UUID.randomUUID().toString());
  43
  44         graph.claim(type, L0.Asserts, Writes.assertion(graph, L0.ConsistsOf, named1));
  45         graph.claim(type2, L0.Asserts, Writes.assertion(graph, L0.ConsistsOf, named1));
  46         graph.claim(type3, L0.Asserts, Writes.assertion(graph, L0.ConsistsOf, named1));
  47
  48         }
  49
  50         @Override
  51         protected void read(ReadGraph graph) throws DatabaseException {
  52
  53         Collection<Resource> result = graph.getAssertedObjects(type, L0.ConsistsOf);
  54         assertNotNull("Null not allowed", result);
  55         assertTrue(result.contains(named1));
  56         assertTrue(result.size() == 1);
  57
  58         }
  59
  60 }