tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getAssertedStatements/GetAssertedStatementsTest3.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.getAssertedStatements;
  13
  14 import java.util.UUID;
  15
  16 import org.simantics.db.ReadGraph;
  17 import org.simantics.db.Resource;
  18 import org.simantics.db.WriteGraph;
  19 import org.simantics.db.exception.DatabaseException;
  20 import org.simantics.db.exception.ManyObjectsForFunctionalRelationException;
  21 import org.simantics.db.testing.base.WriteReadTest;
  22 import org.simantics.db.tests.common.Writes;
  23
  24 public class GetAssertedStatementsTest3 extends WriteReadTest {
  25
  26     private Resource type;
  27     private Resource string1;
  28     private Resource string2;
  29
  30         @Override
  31         protected void write(WriteGraph graph) throws DatabaseException {
  32
  33         // New type with assertions
  34         type = graph.newResource();
  35         graph.claim(type, L0.Inherits, L0.Entity);
  36
  37         string1 = Writes.string(graph, UUID.randomUUID().toString());
  38         string2 = Writes.string(graph, UUID.randomUUID().toString());
  39
  40         // Assert two functional objects
  41         graph.claim(type, L0.Asserts, Writes.assertion(graph, L0.HasName, string1));
  42         graph.claim(type, L0.Asserts, Writes.assertion(graph, L0.HasName, string2));
  43
  44         }
  45
  46         @Override
  47         protected void read(ReadGraph graph) throws DatabaseException {
  48
  49         try {
  50             assertNotNull("Null not allowed", graph.getAssertedStatements(type, L0.HasName));
  51         } catch (ManyObjectsForFunctionalRelationException e) {
  52             return;
  53         }
  54         fail("Should throw.");
  55         }
  56 }