--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.tests.api.request.misc;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.concurrent.ConcurrentSkipListSet;
+
+import org.junit.Test;
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.procedure.AsyncProcedure;
+import org.simantics.db.procedure.Procedure;
+import org.simantics.db.request.AsyncRead;
+import org.simantics.db.request.Read;
+import org.simantics.db.testing.base.ExistingDatabaseTest;
+import org.simantics.layer0.Layer0;
+
+public class SyncAsyncSyncTest extends ExistingDatabaseTest {
+
+ @Test
+ public void test() throws Exception {
+
+ Session session = getSession();
+
+ final ConcurrentSkipListSet<String> names = new ConcurrentSkipListSet<String>();
+ final ArrayList<Resource> resources = new ArrayList<Resource>();
+ final Resource root = SyncAsyncSyncUtils.createNames(session, names, resources);
+
+ session.syncRequest(new TestReadRequest() {
+
+ @Override
+ public void run(ReadGraph graph) throws Throwable {
+
+ final Layer0 b = Layer0.getInstance(graph);
+ Collection<Resource> rs = graph.getObjects(root, b.ConsistsOf);
+ for(final Resource r : rs) {
+
+ graph.asyncRequest(new AsyncRead<String>() {
+
+ @Override
+ public void perform(AsyncReadGraph graph, AsyncProcedure<String> procedure) {
+
+ graph.asyncRequest(new Read<String>() {
+
+ @Override
+ public String perform(ReadGraph graph) throws DatabaseException {
+ return graph.getRelatedValue(r, b.HasName);
+ }
+
+ }, procedure);
+
+ }
+
+ @Override
+ public int threadHash() {
+ return hashCode();
+ }
+
+ @Override
+ public int getFlags() {
+ return 0;
+ }
+
+ }, new Procedure<String>() {
+
+ @Override
+ public void exception(Throwable t) {
+ t.printStackTrace();
+ }
+
+ @Override
+ public void execute(String result) {
+ names.remove(result);
+ }
+
+ });
+
+ }
+
+ }
+
+ });
+
+ assert(names.isEmpty());
+
+ }
+
+}