tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/getRelatedValue/GetRelatedValueTest24.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.databoard.Bindings;
  15 import org.simantics.db.ReadGraph;
  16 import org.simantics.db.Resource;
  17 import org.simantics.db.WriteGraph;
  18 import org.simantics.db.exception.DatabaseException;
  19 import org.simantics.db.exception.ServiceException;
  20 import org.simantics.db.testing.base.WriteReadTest;
  21
  22 public class GetRelatedValueTest24 extends WriteReadTest {
  23         private Float floatVal = 0.1F;
  24         private Resource instance;
  25         private Resource type;
  26
  27     @Override
  28     protected void write(WriteGraph graph) throws DatabaseException {
  29         instance = graph.newResource();
  30         type = graph.newResource();
  31
  32         graph.claim(instance, L0.InstanceOf, null,  L0.Double);
  33         graph.claimValue(instance, floatVal);
  34         graph.claim(type, L0.ConsistsOf, instance);
  35
  36     }
  37     @Override
  38
  39     protected void read(ReadGraph graph) throws DatabaseException {
  40         try {
  41             assertNotNull("Null not allowed", graph.getRelatedValue(type, L0.ConsistsOf, Bindings.DOUBLE));
  42         } catch (ServiceException e) {
  43                 return;
  44         } catch (Exception e) {
  45                 fail("Wrong exception: " + e.getClass().getCanonicalName());
  46         }
  47         fail("Should throw.");
  48     }
  49
  50 }