tests/org.simantics.db.tests/src/org/simantics/db/tests/scalability/LargeWrite.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.common.TransactionPolicyKeep;
  16 import org.simantics.db.exception.DatabaseException;
  17 import org.simantics.db.request.WriteInterface;
  18 import org.simantics.db.service.TransactionPolicySupport;
  19 import org.simantics.db.testing.base.ExistingDatabaseTest;
  20 import org.simantics.db.tests.performance.read.HierarchicalNames;
  21 import org.simantics.layer0.Layer0;
  22
  23 public class LargeWrite extends ExistingDatabaseTest {
  24
  25         final private static String name = "name";
  26
  27         // 5M nodes
  28         int[] sizes = { 5*244, 64, 64 };
  29
  30         private Resource time(String label, WriteInterface<Resource> request) throws DatabaseException {
  31
  32                 long start = System.nanoTime();
  33                 Resource result = getSession().sync(request);
  34                 long duration = System.nanoTime() - start;
  35                 System.out.println(label + " = " + 1e-9*duration);
  36                 return result;
  37
  38         }
  39
  40         public void test() throws Exception {
  41
  42                 Layer0.getInstance(getSession());
  43
  44                 getSession().registerService(TransactionPolicySupport.class, new TransactionPolicyKeep());
  45
  46                 time("write", HierarchicalNames.write(name, sizes));
  47
  48         }
  49
  50 }