tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/misc/SyncAsyncSyncTest2.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.Collection;
  16 import java.util.concurrent.ConcurrentSkipListSet;
  17
  18 import org.junit.Test;
  19 import org.simantics.db.AsyncReadGraph;
  20 import org.simantics.db.ReadGraph;
  21 import org.simantics.db.Resource;
  22 import org.simantics.db.Session;
  23 import org.simantics.db.exception.DatabaseException;
  24 import org.simantics.db.procedure.AsyncProcedure;
  25 import org.simantics.db.procedure.Listener;
  26 import org.simantics.db.procedure.Procedure;
  27 import org.simantics.db.request.AsyncRead;
  28 import org.simantics.db.request.Read;
  29 import org.simantics.db.testing.base.ExistingDatabaseTest;
  30 import org.simantics.layer0.Layer0;
  31
  32 public class SyncAsyncSyncTest2 extends ExistingDatabaseTest {
  33
  34         @Test
  35     public void test() throws Exception {
  36
  37                 Session session = getSession();
  38
  39                 final ConcurrentSkipListSet<String> names = new ConcurrentSkipListSet<String>();
  40                 final ArrayList<Resource> resources = new ArrayList<Resource>();
  41                 final Resource root = SyncAsyncSyncUtils.createNames(session, names, resources);
  42
  43                 session.syncRequest(new TestAsyncReadRequest() {
  44
  45             @Override
  46             public void run(AsyncReadGraph graph) throws Throwable {
  47
  48                 final Layer0 b = Layer0.getInstance(graph);
  49                 Collection<Resource> rs = graph.getObjects(root, b.ConsistsOf);
  50                 int index = 0;
  51                 for(final Resource r : rs) {
  52
  53                     final int i = index++;
  54
  55                     graph.asyncRequest(new AsyncRead<String>() {
  56
  57                         @Override
  58                         public void perform(AsyncReadGraph graph, AsyncProcedure<String> procedure) {
  59
  60                             graph.asyncRequest(new Read<String>() {
  61
  62                                 @Override
  63                                 public String perform(ReadGraph graph) throws DatabaseException {
  64                                     return graph.getRelatedValue(r, b.HasName);
  65                                 }
  66
  67                                 @Override
  68                                 public String toString() {
  69                                     return "Read" + i;
  70                                 }
  71
  72                             }, procedure);
  73
  74                         }
  75
  76                         @Override
  77                             public int threadHash() {
  78                                 return hashCode();
  79                             }
  80
  81                         @Override
  82                         public int getFlags() {
  83                             return 0;
  84                         }
  85
  86                     }, new Procedure<String>() {
  87
  88                         @Override
  89                         public void exception(Throwable t) {
  90                             t.printStackTrace();
  91                         }
  92
  93                         @Override
  94                         public void execute(String result) {
  95                             names.remove(result);
  96                         }
  97
  98                     });
  99
 100                 }
 101
 102             }
 103
 104                 }, new Listener<Object>() {
 105
 106             @Override
 107             public void exception(Throwable t) {
 108                 t.printStackTrace();
 109             }
 110
 111             @Override
 112             public void execute(Object result) {
 113             }
 114
 115             @Override
 116             public boolean isDisposed() {
 117                 return false;
 118             }
 119
 120         });
 121
 122                 assert(names.isEmpty());
 123
 124         }
 125
 126 }