tests/org.simantics.db.tests/src/org/simantics/db/tests/performance/read/CachedQueryTest.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 org.simantics.db.ReadGraph;
  15 import org.simantics.db.Session;
  16 import org.simantics.db.procedure.Procedure;
  17 import org.simantics.db.request.Read;
  18 import org.simantics.db.testing.base.TestCommonPerf;
  19
  20
  21 /**
  22  * Tests for CachedQueryTest
  23  *
  24  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
  25  *
  26  */
  27 public class CachedQueryTest extends TestCommonPerf {
  28
  29         final static int QUERIES = 5000;
  30         final static double TIME = 1.0;
  31
  32         int counter = 0;
  33
  34         public void testTransactions() throws Exception {
  35
  36                 Session session = getSession();
  37
  38                 Read<Boolean> req = new Read<Boolean>() {
  39
  40                         @Override
  41                         public Boolean perform(ReadGraph graph) {
  42                                 return true;
  43                         }
  44
  45                 };
  46
  47                 Procedure<Boolean> proc = new Procedure<Boolean>() {
  48
  49                         @Override
  50                         public void execute(Boolean result) {
  51                                 synchronized(this) {
  52                                         counter++;
  53                                 }
  54                         }
  55
  56                 public void exception(Throwable t) {
  57                 System.out.print("CachedQueryTest request failed: ");
  58                 t.printStackTrace();
  59             }
  60
  61                 };
  62
  63                 session.syncRequest(req, proc);
  64
  65                 long start = System.nanoTime();
  66
  67                 for(int i = 0; i < QUERIES ; i++) {
  68                         session.syncRequest(req, proc);
  69                 }
  70
  71                 if(counter != (QUERIES + 1)) throw new Error("Invalid amount of notifications (got " + counter + ", expexted " + (QUERIES + 1) + ").");
  72
  73                 checkException();
  74
  75                 long end = System.nanoTime();
  76
  77                 double time = (double)(end-start) * (double)(1e-9);
  78
  79                 String t = "CachedQueryTest finished with time " + time + ". Limit was < " + TIME;
  80                 System.out.println(t);
  81                 if (time > TIME)
  82                         fail(t);
  83         }
  84
  85 }