tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/misc/SyncAsyncSyncTest3.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.ArrayList;
  15 import java.util.concurrent.ConcurrentSkipListSet;
  16
  17 import org.junit.Test;
  18 import org.simantics.db.AsyncReadGraph;
  19 import org.simantics.db.ReadGraph;
  20 import org.simantics.db.Resource;
  21 import org.simantics.db.Session;
  22 import org.simantics.db.common.request.AsyncReadRequest;
  23 import org.simantics.db.exception.DatabaseException;
  24 import org.simantics.db.procedure.Procedure;
  25 import org.simantics.db.request.Read;
  26 import org.simantics.db.testing.base.ExistingDatabaseTest;
  27 import org.simantics.layer0.Layer0;
  28
  29 public class SyncAsyncSyncTest3 extends ExistingDatabaseTest {
  30
  31         @Test
  32         public void test() throws Exception {
  33
  34                 Session session = getSession();
  35
  36                 final ConcurrentSkipListSet<String> names = new ConcurrentSkipListSet<String>();
  37                 final ArrayList<Resource> resources = new ArrayList<Resource>();
  38                 final Resource root = SyncAsyncSyncUtils.createNames(session, names, resources);
  39                 if (DEBUG)
  40                     System.out.println("Root resource is " + root);
  41
  42                 session.syncRequest(new AsyncReadRequest() {
  43
  44             @Override
  45             public void run(AsyncReadGraph graph) {
  46
  47                 for(final Resource r : resources) {
  48
  49                     graph.asyncRequest(new Read<String>() {
  50
  51                         @Override
  52                         public String perform(ReadGraph graph) throws DatabaseException {
  53                             Layer0 b = Layer0.getInstance(graph);
  54                             return graph.getRelatedValue(r, b.HasName);
  55                         }
  56
  57                         @Override
  58                         public String toString() {
  59                             return "Read " + r.getResourceId();
  60                         }
  61
  62                     }, new Procedure<String>() {
  63
  64                         @Override
  65                         public void exception(Throwable t) {
  66                             t.printStackTrace();
  67                         }
  68
  69                         @Override
  70                         public void execute(String result) {
  71                             names.remove(result);
  72                         }
  73
  74                     });
  75
  76                 }
  77
  78             }
  79
  80                 });
  81
  82                 assert(names.isEmpty());
  83
  84         }
  85
  86 }