tests/org.simantics.db.tests/src/org/simantics/db/tests/api/support/transferableGraphSupport/TransferableGraphSupportTest2.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.support.transferableGraphSupport;
  13
  14 import java.io.IOException;
  15 import java.util.UUID;
  16
  17 import org.junit.Test;
  18 import org.simantics.databoard.Bindings;
  19 import org.simantics.databoard.binding.Binding;
  20 import org.simantics.databoard.serialization.SerializationException;
  21 import org.simantics.databoard.serialization.Serializer;
  22 import org.simantics.databoard.serialization.SerializerConstructionException;
  23 import org.simantics.db.ReadGraph;
  24 import org.simantics.db.Resource;
  25 import org.simantics.db.Session;
  26 import org.simantics.db.WriteGraph;
  27 import org.simantics.db.common.request.ReadRequest;
  28 import org.simantics.db.common.request.WriteRequest;
  29 import org.simantics.db.exception.DatabaseException;
  30 import org.simantics.db.service.TransferableGraphSupport;
  31 import org.simantics.db.testing.base.ExistingDatabaseTest;
  32 import org.simantics.layer0.Layer0;
  33 import org.simantics.utils.DataContainer;
  34
  35 public class TransferableGraphSupportTest2 extends ExistingDatabaseTest {
  36
  37         @Test
  38     public void test() throws Exception {
  39
  40         Session session = getSession();
  41
  42         final String value = UUID.randomUUID().toString();
  43         final TransferableGraphSupport support = session.getService(TransferableGraphSupport.class);
  44         final DataContainer<Resource> resource = new DataContainer<Resource>();
  45
  46         try {
  47             session.syncRequest(new WriteRequest() {
  48                 @Override
  49                 public void perform(WriteGraph graph) throws DatabaseException {
  50
  51                     Layer0 b = Layer0.getInstance(graph);
  52
  53                     Resource r = graph.newResource();
  54                     resource.set(r);
  55                     graph.claim(r, b.InstanceOf, null, b.String);
  56
  57                                         try {
  58                             Binding binding = Bindings.STRING;
  59                                                 Serializer serializer = Bindings.getSerializer( binding );
  60                                         byte[] raw = serializer.serialize(value);
  61                                         support.setValue(graph, r, null, raw);
  62                                         } catch (SerializerConstructionException e) {
  63                                                 throw new Error(e);
  64                                         } catch (SerializationException e) {
  65                                                 throw new Error(e);
  66                                         } catch (IOException e) {
  67                                                 throw new Error(e);
  68                                         }
  69                 }
  70             });
  71         } catch (Throwable e) {
  72                 e.printStackTrace();
  73             fail("Write transaction threw an unknown exception " + e);
  74         }
  75
  76
  77         try {
  78             session.syncRequest(new ReadRequest() {
  79                 @Override
  80                 public void run(ReadGraph graph) throws DatabaseException {
  81                     String v = graph.getValue(resource.get());
  82                     assert(v.equals(value));
  83                 }
  84             });
  85         } catch (Throwable e) {
  86             fail("Write transaction threw an unknown exception " + e);
  87         }
  88
  89     }
  90
  91 }