tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getRelatedValue/GetRelatedValueTest7.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.getRelatedValue;
  13
  14 import org.simantics.db.ReadGraph;
  15 import org.simantics.db.Resource;
  16 import org.simantics.db.WriteGraph;
  17 import org.simantics.db.exception.DatabaseException;
  18 import org.simantics.db.exception.NoSingleResultException;
  19 import org.simantics.db.testing.base.WriteReadTest;
  20
  21 public class GetRelatedValueTest7 extends WriteReadTest {
  22         private Float floatVal1 = 0.1F;
  23         private Float floatVal2 = 0.3F;
  24
  25         private Resource instance1;
  26         private Resource instance2;
  27
  28         private Resource type;
  29     @Override
  30     protected void write(WriteGraph graph) throws DatabaseException {
  31         instance1 = graph.newResource();
  32         instance2 = graph.newResource();
  33         type = graph.newResource();
  34         graph.claim(instance1, L0.InstanceOf, null,  L0.Float);
  35         graph.claim(instance2, L0.InstanceOf, null,  L0.Float);
  36
  37         graph.claimValue(instance1, floatVal1);
  38         graph.claimValue(instance2, floatVal2);
  39
  40         graph.claim(type, L0.ConsistsOf, instance1);
  41         graph.claim(type, L0.ConsistsOf, instance2);
  42     }
  43
  44     @Override
  45     protected void read(ReadGraph graph) throws DatabaseException {
  46         try {
  47             assertNotNull("Null response not allowed", graph.getRelatedValue(type, L0.ConsistsOf));
  48         } catch (NoSingleResultException e) {
  49                 return;
  50         } catch (Exception e) {
  51                 fail("Wrong exception: " + e.getClass().getCanonicalName());
  52         }
  53         fail("Should throw.");
  54     }
  55 }