tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/listening/ObjectsListeningTest.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.request.listening;
  13
  14 import java.util.Collection;
  15 import java.util.concurrent.atomic.AtomicInteger;
  16
  17 import org.junit.Assert;
  18 import org.junit.Test;
  19 import org.simantics.db.ReadGraph;
  20 import org.simantics.db.Resource;
  21 import org.simantics.db.Session;
  22 import org.simantics.db.WriteGraph;
  23 import org.simantics.db.common.procedure.adapter.ListenerAdapter;
  24 import org.simantics.db.common.request.UniqueRead;
  25 import org.simantics.db.common.request.WriteRequest;
  26 import org.simantics.db.exception.DatabaseException;
  27 import org.simantics.db.testing.annotation.Fails;
  28 import org.simantics.db.testing.base.ExistingDatabaseTest;
  29
  30 @Fails
  31 public class ObjectsListeningTest extends ExistingDatabaseTest {
  32
  33         Resource subject;
  34         Resource subrelation;
  35         AtomicInteger executions = new AtomicInteger(0);
  36
  37         @Test
  38     public void testDisposedListener() throws Exception {
  39
  40         final Session session = getSession();
  41
  42         session.syncRequest(new WriteRequest() {
  43
  44                         @Override
  45                         public void perform(WriteGraph graph) throws DatabaseException {
  46                                 subject = graph.newResource();
  47                                 subrelation = graph.newResource();
  48                                 graph.claim(subrelation, L0.SubrelationOf, L0.HasProperty);
  49                                 graph.claim(subrelation, L0.SubrelationOf, null, L0.List_Next);
  50                         }
  51
  52                 });
  53
  54         session.syncRequest(new UniqueRead<Collection<Resource>>() {
  55
  56                         @Override
  57                         public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {
  58                                 return graph.getObjects(subject, L0.List_Next);
  59                         }
  60
  61         }, new ListenerAdapter<Collection<Resource>>() {
  62
  63                 @Override
  64                 public void execute(Collection<Resource> result) {
  65                         executions.incrementAndGet();
  66                 }
  67
  68                 @Override
  69                 public boolean isDisposed() {
  70                         return false;
  71                 }
  72
  73         });
  74
  75         session.syncRequest(new WriteRequest() {
  76
  77                         @Override
  78                         public void perform(WriteGraph graph) throws DatabaseException {
  79                                 graph.claim(subject, subrelation, graph.newResource());
  80                         }
  81
  82                 });
  83
  84         Assert.assertEquals(2, executions.get());
  85
  86     }
  87 }