cdmlib-persistence/src/test/java/eu/etaxonomy/cdm/profiler/ProfilerController.java

   1 /**
   2 * Copyright (C) 2009 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.cdm.profiler;
  11
  12 import org.apache.log4j.Logger;
  13
  14 import com.yourkit.api.Controller;
  15 //TODO move to common
  16 public class ProfilerController {
  17
  18
  19         private static final Logger logger = Logger.getLogger(ProfilerController.class);
  20
  21         private static Controller controller;
  22         private static int memSnapshotCnt = 0;
  23
  24         private static void init(){
  25                 if(controller == null){
  26                         try {
  27                                 controller = new Controller();
  28                                 memSnapshotCnt = 0;
  29                         } catch (Exception e) {
  30                                 logger.info("The initialization of ProfilerCOntroller fails");
  31                         }
  32                 }
  33         }
  34
  35         public static void memorySnapshot() {
  36                 init();
  37                 try {
  38                         logger.info("taking memory snapshot " + memSnapshotCnt++);
  39                         controller.captureMemorySnapshot();
  40                 } catch (Exception e) {
  41                         logger.info("taking memory snapshot " + memSnapshotCnt++ + " fails");
  42                 }
  43         }
  44
  45 }