tests/org.simantics.db.tests/src/org/simantics/db/tests/api/readGraph/forObjectSet/ForObjectSetTest1.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.readGraph.forObjectSet;
  13
  14 import org.junit.Test;
  15 import org.simantics.db.AsyncReadGraph;
  16 import org.simantics.db.Resource;
  17 import org.simantics.db.Session;
  18 import org.simantics.db.WriteGraph;
  19 import org.simantics.db.common.request.WriteRequest;
  20 import org.simantics.db.exception.DatabaseException;
  21 import org.simantics.db.procedure.AsyncSetListener;
  22 import org.simantics.db.testing.base.ExistingDatabaseTest;
  23 import org.simantics.layer0.Layer0;
  24
  25 public class ForObjectSetTest1 extends ExistingDatabaseTest {
  26
  27         private Throwable exception;
  28         private Resource relation;
  29         private int adds = 0;
  30         private int removes = 0;
  31
  32         @Test
  33         public void testObjectSet() throws Exception {
  34
  35                 Session session = getSession();
  36
  37                 session.syncRequest(new WriteRequest() {
  38
  39                         @Override
  40                         public void perform(WriteGraph graph) throws DatabaseException {
  41
  42                                 Layer0 b = Layer0.getInstance(graph);
  43
  44                                 relation = graph.newResource();
  45                                 graph.claim(relation, b.SubrelationOf, b.IsRelatedTo);
  46                                 graph.claim(relation, b.InverseOf, relation);
  47
  48                                 graph.forObjectSet(graph.getRootLibrary(), relation, new AsyncSetListener<Resource>() {
  49
  50                                         @Override
  51                                         public void add(AsyncReadGraph graph, Resource result) {
  52                                                 synchronized(this) {
  53                                                         adds++;
  54                                                 }
  55                                         }
  56
  57                                         @Override
  58                                         public void remove(AsyncReadGraph graph, Resource result) {
  59                                                 synchronized(this) {
  60                                                         removes++;
  61                                                 }
  62                                         }
  63
  64                                         @Override
  65                                         public void exception(AsyncReadGraph graph, Throwable t) {
  66                                                 exception = t;
  67                                         }
  68
  69                                         @Override
  70                                         public boolean isDisposed() {
  71                                                 return false;
  72                                         }
  73
  74                                 });
  75                         }
  76
  77                 });
  78
  79                 session.syncRequest(new WriteRequest() {
  80
  81                         @Override
  82                         public void perform(WriteGraph g) throws DatabaseException {
  83
  84                                 Layer0 b = Layer0.getInstance(g);
  85                                 // Add
  86                                 g.claim(g.getRootLibrary(), relation, b.Abstract);
  87
  88                         }
  89
  90                 });
  91
  92                 assert(adds == 1 && removes == 0);
  93
  94                 session.syncRequest(new WriteRequest() {
  95
  96                         @Override
  97                         public void perform(WriteGraph g) throws DatabaseException {
  98
  99                                 Layer0 b = Layer0.getInstance(g);
 100                                 // Nop
 101                                 g.claim(g.getRootLibrary(), relation, b.Abstract);
 102
 103                         }
 104
 105                 });
 106
 107                 assert(adds == 1 && removes == 0);
 108
 109                 session.syncRequest(new WriteRequest() {
 110
 111                         @Override
 112                         public void perform(WriteGraph g) throws DatabaseException {
 113
 114                                 Layer0 b = Layer0.getInstance(g);
 115                                 // Remove
 116                                 g.deny(g.getRootLibrary(), relation, b.Abstract);
 117
 118                         }
 119
 120                 });
 121
 122                 assert(adds == 1 && removes == 1);
 123
 124                 session.syncRequest(new WriteRequest() {
 125
 126                         @Override
 127                         public void perform(WriteGraph g) throws DatabaseException {
 128
 129                                 Layer0 b = Layer0.getInstance(g);
 130                                 // Nop
 131                                 g.deny(g.getRootLibrary(), relation, b.Abstract);
 132
 133                         }
 134
 135                 });
 136
 137                 assert(adds == 1 && removes == 1);
 138
 139                 session.syncRequest(new WriteRequest() {
 140
 141                         @Override
 142                         public void perform(WriteGraph g) throws DatabaseException {
 143
 144                                 Layer0 b = Layer0.getInstance(g);
 145                                 // nop
 146                                 g.claim(g.getRootLibrary(), relation, b.Abstract);
 147                                 g.deny(g.getRootLibrary(), relation, b.Abstract);
 148
 149                         }
 150
 151                 });
 152
 153                 assert(adds == 1 && removes == 1);
 154
 155                 if(exception != null) {
 156                         fail("Write transaction threw and exception (" + exception.getMessage() + ") which was not passed through ");
 157                 }
 158
 159         }
 160
 161 }