tests/org.simantics.db.tests/src/org/simantics/db/tests/api/write/request/WriteOnlyReadTest.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.write.request;
  13
  14 import java.util.ArrayList;
  15 import java.util.UUID;
  16
  17 import org.junit.Test;
  18 import org.simantics.databoard.Bindings;
  19 import org.simantics.db.ReadGraph;
  20 import org.simantics.db.Resource;
  21 import org.simantics.db.Session;
  22 import org.simantics.db.WriteOnlyGraph;
  23 import org.simantics.db.common.request.WriteOnlyRequest;
  24 import org.simantics.db.exception.DatabaseException;
  25 import org.simantics.db.testing.base.ExistingDatabaseTest;
  26 import org.simantics.layer0.Layer0;
  27
  28 public class WriteOnlyReadTest extends ExistingDatabaseTest {
  29
  30     final static int ITEM_COUNT = 2;
  31
  32         @Test
  33     public void testWriteException() throws Exception {
  34
  35         final Session session = getSession();
  36         final Layer0 b = Layer0.getInstance(session);
  37
  38         final ArrayList<Resource> items = new ArrayList<Resource>();
  39
  40         session.syncRequest(new WriteOnlyRequest() {
  41
  42             @Override
  43             public void perform(WriteOnlyGraph graph) throws DatabaseException {
  44
  45                 graph.flushCluster();
  46                 for(int i=0;i<ITEM_COUNT;i++) {
  47                     Resource item = graph.newResource();
  48                     graph.claim(item, b.InstanceOf, null, b.String);
  49                     graph.claimValue(item, UUID.randomUUID().toString(), Bindings.STRING);
  50                     //graph.claim(g.getRootLibrary(), b.ConsistsOf, b.PartOf, item);
  51                     items.add(item);
  52                 }
  53
  54             }
  55
  56         });
  57
  58         session.syncRequest(new TestReadRequest() {
  59
  60             @Override
  61             public void run(ReadGraph graph) throws DatabaseException {
  62                 //Layer0 b = Layer0.getInstance(g);
  63                 for(Resource r : items) {
  64                     String value = graph.getPossibleValue(r, Bindings.STRING);
  65                     if (DEBUG)
  66                         System.out.println("value=" + value);
  67                 }
  68
  69             }
  70
  71         });
  72
  73     }
  74 }