tests/org.simantics.db.tests/src/org/simantics/db/tests/scalability/CreateManyClustersTest.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.scalability;
  13
  14 import org.simantics.db.Resource;
  15 import org.simantics.db.Session;
  16 import org.simantics.db.WriteGraph;
  17 import org.simantics.db.common.request.WriteRequest;
  18 import org.simantics.db.exception.DatabaseException;
  19 import org.simantics.db.testing.base.ExistingDatabaseTest;
  20 import org.simantics.db.testing.common.WriteQuery;
  21 import org.simantics.db.tests.common.Configuration;
  22 import org.simantics.layer0.Layer0;
  23
  24 public class CreateManyClustersTest extends ExistingDatabaseTest {
  25
  26         final static int CLUSTERS = Configuration.get().cachedClusterCount;
  27
  28         private Throwable exception;
  29         private Resource rootResource = null;
  30
  31         public void test() throws Exception {
  32
  33                 Session session = getSession();
  34
  35                 session.syncRequest(new WriteQuery(this) {
  36                         @Override
  37                         public void run(WriteGraph g) throws Throwable {
  38                                 Layer0 b = Layer0.getInstance(g);
  39                                 rootResource = g.newResource();
  40                                 g.claim(g.getRootLibrary(), b.ConsistsOf, rootResource);
  41                         }
  42                 });
  43
  44                 session.syncRequest(new WriteRequest() {
  45
  46                         @Override
  47                         public void perform(WriteGraph graph) throws DatabaseException {
  48
  49
  50
  51                                 try {
  52
  53                                         Layer0 b = Layer0.getInstance(graph);
  54
  55                                         for(int i=0;i<CLUSTERS;i++) {
  56
  57                                                 graph.flushCluster();
  58                                                 Resource newResource = graph.newResource();
  59                                                 graph.claim(rootResource, b.ConsistsOf, newResource);
  60
  61                                         }
  62
  63                                 } catch (Throwable t) {
  64                                         exception = t;
  65                                 }
  66
  67                         }
  68
  69                 });
  70
  71                 if(exception != null) {
  72                         exception.printStackTrace();
  73                         fail("Write transaction threw and exception (" + exception.getMessage() + ") which was not passed through ");
  74                 }
  75
  76         }
  77
  78 }