tests/org.simantics.db.tests/src/org/simantics/db/tests/performance/read/LogTest.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.performance.read;
  13
  14 import java.util.UUID;
  15
  16 import org.simantics.databoard.Bindings;
  17 import org.simantics.datatypes.utils.LogUtils;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.Session;
  20 import org.simantics.db.WriteGraph;
  21 import org.simantics.db.common.request.WriteResultRequest;
  22 import org.simantics.db.exception.DatabaseException;
  23 import org.simantics.db.service.VirtualGraphSupport;
  24 import org.simantics.db.testing.base.ExistingDatabaseTest;
  25
  26
  27 public class LogTest extends ExistingDatabaseTest {
  28
  29         public static final int NODE_SIZE = 2;
  30         public static final int TEN = 10;
  31         public static final int THOUSAND = 1000;
  32         public static final int MILLION = 1000000;
  33
  34         public static final int KEY_SIZE = TEN * 1000;
  35
  36         public void test() throws Exception {
  37
  38                 Session session = getSession();
  39
  40                 VirtualGraphSupport vgss = session.getService(VirtualGraphSupport.class);
  41
  42                 long start = System.nanoTime();
  43
  44                 session.sync(new WriteResultRequest<Resource>(vgss.getMemoryPersistent(UUID.randomUUID().toString())) {
  45
  46                         @Override
  47                         public Resource perform(WriteGraph graph) throws DatabaseException {
  48
  49                                 LogUtils lu = new LogUtils(graph);
  50                                 Resource log = lu.create(graph, NODE_SIZE, 0);
  51                                 for(int i=0;i<KEY_SIZE;i++) {
  52                                         Resource value = graph.newResource();
  53                                         graph.claim(value, L0.InstanceOf, null, L0.String);
  54                                         graph.claimValue(value, "Value" + i, Bindings.STRING);
  55                                         lu.insert(graph, log, i, value);
  56                                 }
  57                                 return log;
  58
  59                         }
  60
  61                 });
  62
  63                 long duration = System.nanoTime()-start;
  64                 System.err.println("WRITE at " + 1e-9*duration + "s.");
  65
  66         }
  67
  68 }