tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/misc/NoneListenerTest2.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.concurrent.atomic.AtomicInteger;
  15
  16 import org.junit.Test;
  17 import org.simantics.databoard.Bindings;
  18 import org.simantics.db.ReadGraph;
  19 import org.simantics.db.Resource;
  20 import org.simantics.db.Session;
  21 import org.simantics.db.WriteGraph;
  22 import org.simantics.db.common.request.ResourceRead;
  23 import org.simantics.db.common.request.WriteRequest;
  24 import org.simantics.db.common.request.WriteResultRequest;
  25 import org.simantics.db.exception.DatabaseException;
  26 import org.simantics.db.procedure.Listener;
  27 import org.simantics.db.testing.base.ExistingDatabaseTest;
  28 import org.simantics.layer0.Layer0;
  29
  30 /**
  31  * @author Tuukka Lehtonen
  32  */
  33 public class NoneListenerTest2 extends ExistingDatabaseTest {
  34
  35         static AtomicInteger execs = new AtomicInteger(0);
  36
  37     static class TestListener implements Listener<String> {
  38         @Override
  39         public void execute(String result) {
  40                 execs.incrementAndGet();
  41         }
  42         @Override
  43         public boolean isDisposed() {
  44             return false;
  45         }
  46                 @Override
  47                 public void exception(Throwable t) {
  48                         t.printStackTrace();
  49                 }
  50                 @Override
  51                 public int hashCode() {
  52                         return getClass().hashCode();
  53                 }
  54                 @Override
  55                 public boolean equals(Object obj) {
  56                         return getClass().equals(obj.getClass());
  57                 }
  58     }
  59
  60         @Test
  61     public void test() throws Exception {
  62
  63         final Session session = getSession();
  64
  65         final Resource newResource = session.syncRequest(new WriteResultRequest<Resource>() {
  66             @Override
  67             public Resource perform(WriteGraph g) throws DatabaseException {
  68                 Layer0 b = Layer0.getInstance(g);
  69                 Resource result = g.newResource();
  70                 g.claim(result, b.InstanceOf, null, b.Entity);
  71                 g.claim(g.getRootLibrary(), b.ConsistsOf, result);
  72                 g.claimValue(result, "Test", Bindings.STRING);
  73                 return result;
  74             }
  75         });
  76
  77         TestListener l1 = new TestListener();
  78         TestListener l2 = new TestListener();
  79
  80         class TestRead extends ResourceRead<String> {
  81
  82                 public TestRead(Resource r) {
  83                         super(r);
  84                 }
  85
  86                         @Override
  87                         public String perform(ReadGraph graph) throws DatabaseException {
  88                                 return graph.getValue(resource, Bindings.STRING);
  89                         }
  90
  91         }
  92
  93         session.syncRequest(new TestRead(newResource), l1);
  94         session.syncRequest(new TestRead(newResource), l2);
  95
  96         assertEquals(execs.get(), 2);
  97
  98         session.syncRequest(new WriteRequest() {
  99             @Override
 100             public void perform(WriteGraph graph) throws DatabaseException {
 101                 graph.claimValue(newResource, "Test2", Bindings.STRING);
 102             }
 103         });
 104
 105         assertEquals(execs.get(), 3);
 106
 107     }
 108 }