tests/org.simantics.db.tests/src/org/simantics/db/tests/api/story/misc/QuerySemanticsTest.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.story.misc;
  13
  14 import org.junit.After;
  15 import org.junit.Before;
  16 import org.junit.Test;
  17 import org.simantics.db.ReadGraph;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.Session;
  20 import org.simantics.db.Statement;
  21 import org.simantics.db.WriteGraph;
  22 import org.simantics.db.common.request.ReadRequest;
  23 import org.simantics.db.common.request.WriteRequest;
  24 import org.simantics.db.common.utils.NameUtils;
  25 import org.simantics.db.exception.DatabaseException;
  26 import org.simantics.db.service.LifecycleSupport;
  27 import org.simantics.db.testing.annotation.Fails;
  28 import org.simantics.db.testing.common.Tests;
  29 import org.simantics.layer0.Layer0;
  30
  31 public class QuerySemanticsTest {
  32
  33     Session session;
  34     Layer0 b;
  35
  36     Resource instance1;
  37     Resource relation1;
  38     Resource type1;
  39
  40     Resource createRelation(WriteGraph g, String name) throws DatabaseException {
  41         Resource result = g.newResource();
  42         g.claimLiteral(result, b.HasName, name);
  43         Resource inv = g.newResource();
  44         g.claim(result, b.SubrelationOf, b.IsRelatedTo);
  45         g.claim(inv, b.SubrelationOf, b.IsRelatedTo);
  46         g.claim(result, b.InverseOf, inv);
  47         return result;
  48     }
  49
  50     Resource createFunctionalRelation(WriteGraph g, String name) throws DatabaseException {
  51         Resource result = createRelation(g, name);
  52         g.claim(result, b.InstanceOf, b.FunctionalRelation);
  53         return result;
  54     }
  55
  56     Resource createType(WriteGraph g, String name) throws DatabaseException {
  57         Resource result = g.newResource();
  58         g.claimLiteral(result, b.HasName, name);
  59         g.claim(result, b.Inherits, b.Entity);
  60         return result;
  61     }
  62
  63     Resource createInstance(WriteGraph g, String name, Resource type) throws DatabaseException {
  64         Resource result = g.newResource();
  65         g.claimLiteral(result, b.HasName, name);
  66         g.claim(result, b.InstanceOf, type);
  67         return result;
  68     }
  69
  70     void assertion(WriteGraph g, Resource type, Resource pred, Resource obj) throws DatabaseException {
  71         Resource assertion = g.newResource();
  72         g.claim(assertion, b.InstanceOf, b.Assertion);
  73         g.claim(type, b.Asserts, assertion);
  74         g.claim(assertion, b.HasPredicate, pred);
  75         g.claim(assertion, b.HasObject, obj);
  76     }
  77
  78     @Before
  79     public void setUp() throws Exception {
  80 //        SessionFactory factory = new SessionFactory(Configuration.get().host, Configuration.get().port);
  81 //        session = factory.create();
  82         session = Tests.getTestHandler().getSession();
  83         session.syncRequest(new WriteRequest() {
  84
  85             @Override
  86             public void perform(WriteGraph g) throws DatabaseException {
  87                 b = Layer0.getInstance(g);
  88
  89                 relation1 = createFunctionalRelation(g, "Relation1");
  90                 type1 = createType(g, "Type1");
  91                 instance1 = createInstance(g, "Instance1", type1);
  92                 assertion(g, type1, relation1, b.Double);
  93                 g.claim(instance1, relation1, b.Float);
  94             }
  95
  96         });
  97     }
  98
  99     @After
 100     public void tearDown() throws Exception {
 101         LifecycleSupport support = session.getService(LifecycleSupport.class);
 102         support.close();
 103     }
 104
 105     @Fails
 106     @Test
 107     public void test() {
 108         try {
 109                         session.syncRequest(new ReadRequest() {
 110
 111                             @Override
 112                             public void run(ReadGraph g) throws DatabaseException {
 113                                 System.out.println("--- getStatements(relation1) ---------------------");
 114                                 for(Statement stat : g.getStatements(instance1, relation1)) {
 115                                     System.out.println(
 116                                         NameUtils.getSafeName(g, stat.getSubject()) + " " +
 117                                         NameUtils.getSafeName(g, stat.getPredicate()) + " " +
 118                                         NameUtils.getSafeName(g, stat.getObject())
 119                                         );
 120                                 }
 121                                 System.out.println("--- getStatements(IsRelatedTo) ---------------------");
 122                                 for(Statement stat : g.getStatements(instance1, b.IsRelatedTo)) {
 123                                     System.out.println(
 124                                         NameUtils.getSafeName(g, stat.getSubject()) + " " +
 125                                         NameUtils.getSafeName(g, stat.getPredicate()) + " " +
 126                                         NameUtils.getSafeName(g, stat.getObject())
 127                                         );
 128                                 }
 129                                 System.out.println("--- getObjects(relation1) ---------------------");
 130                                 for(Resource r : g.getObjects(instance1, relation1)) {
 131                                     System.out.println(
 132                                         NameUtils.getSafeName(g, r)
 133                                         );
 134                                 }
 135                                 System.out.println("--- getObjects(IsRelatedTo) ---------------------");
 136                                 for(Resource r : g.getObjects(instance1, b.IsRelatedTo)) {
 137                                     System.out.println(
 138                                         NameUtils.getSafeName(g, r)
 139                                         );
 140                                 }
 141                             }
 142
 143                         });
 144                 } catch (DatabaseException e) {
 145                         e.printStackTrace();
 146                 }
 147     }
 148
 149 }