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1   /**
2    * Copyright (c) 2004-2011 QOS.ch
3    * All rights reserved.
4    *
5    * Permission is hereby granted, free  of charge, to any person obtaining
6    * a  copy  of this  software  and  associated  documentation files  (the
7    * "Software"), to  deal in  the Software without  restriction, including
8    * without limitation  the rights to  use, copy, modify,  merge, publish,
9    * distribute,  sublicense, and/or sell  copies of  the Software,  and to
10   * permit persons to whom the Software  is furnished to do so, subject to
11   * the following conditions:
12   *
13   * The  above  copyright  notice  and  this permission  notice  shall  be
14   * included in all copies or substantial portions of the Software.
15   *
16   * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
17   * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
18   * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
19   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21   * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
22   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23   *
24   */
25  package org.slf4j.profiler;
26  
27  import org.slf4j.Logger;
28  import org.slf4j.LoggerFactory;
29  
30  
31  
32  /**
33   * 
34   * This demo illustrates usage of SLF4J profilers. It is almost identical to
35   * the first NestProfilerDemo, except that it uses a logger instead of
36   * printing its output on the console.
37   * 
38  
39   * @author Ceki Gulcu
40   */
41  public class NestedProfilerDemo2 {
42  
43    static Logger logger = LoggerFactory.getLogger(NestedProfilerDemo2.class);
44    
45    public static void main(String[] args) {
46      Profiler profiler = new Profiler("DEMO");
47      // associate a logger with the profiler
48      profiler.setLogger(logger);
49      
50      ProfilerRegistry profilerRegistry = ProfilerRegistry.getThreadContextInstance();
51      profiler.registerWith(profilerRegistry);
52      
53      profiler.start("RANDOM");
54      RandomIntegerArrayGenerator riaGenerator = new RandomIntegerArrayGenerator();
55      int n = 10*1000;
56      int[] randomArray = riaGenerator.generate(n);
57      
58      profiler.startNested(SortAndPruneComposites.NESTED_PROFILER_NAME);
59      
60      SortAndPruneComposites pruner = new SortAndPruneComposites(randomArray);
61      pruner.sortAndPruneComposites();
62      
63      // stop and log
64      profiler.stop().log();
65    }
66  }