tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/misc/RequestParentTest4.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.misc;
  13
  14 import java.util.Set;
  15
  16 import org.junit.Test;
  17 import org.simantics.db.AsyncReadGraph;
  18 import org.simantics.db.ReadGraph;
  19 import org.simantics.db.Session;
  20 import org.simantics.db.exception.DatabaseException;
  21 import org.simantics.db.impl.query.CacheEntry;
  22 import org.simantics.db.impl.service.QueryDebug;
  23 import org.simantics.db.procedure.SyncMultiListener;
  24 import org.simantics.db.procedure.SyncMultiProcedure;
  25 import org.simantics.db.request.MultiRead;
  26 import org.simantics.db.testing.annotation.Fails;
  27 import org.simantics.db.testing.base.ExistingDatabaseTest;
  28
  29 public class RequestParentTest4 extends ExistingDatabaseTest {
  30
  31         @Test
  32         @Fails
  33         public void test() throws Exception {
  34
  35                 Session session = getSession();
  36
  37                 QueryDebug debug = session.getService(QueryDebug.class);
  38
  39         class Request implements MultiRead<Object> {
  40
  41             @Override
  42             public void perform(ReadGraph graph, SyncMultiProcedure<Object> callback) throws DatabaseException {
  43                 callback.execute(graph, new Object());
  44                 callback.finished(graph);
  45             }
  46
  47         }
  48
  49         final Request request1 = new Request();
  50         final Request request2 = new Request();
  51
  52         session.syncRequest(request1, new SyncMultiListener<Object>() {
  53
  54             @Override
  55             public void exception(ReadGraph graph, Throwable t) {
  56             }
  57
  58             @Override
  59             public void execute(ReadGraph graph, Object result) throws DatabaseException {
  60                 graph.syncRequest(request2);
  61             }
  62
  63             @Override
  64             public boolean isDisposed() {
  65                 return false;
  66             }
  67
  68             @Override
  69             public void finished(ReadGraph graph) {
  70             }
  71
  72         });
  73
  74                 Set<CacheEntry> parents = debug.getParents(request2);
  75                 for(CacheEntry parent : parents) {
  76                     if(parent.getOriginalRequest().equals(request1)) fail("Request1 should not be parent of Request2");
  77                 }
  78                 if(!parents.isEmpty())fail("Request2 should not have parents");
  79
  80         }
  81
  82 }