1   /*
2    * Copyright (c) 2004-2008 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 java.util.HashMap;
28  import java.util.Map;
29  
30  /**
31   * A minimalist registry of profilers.
32   * 
33   * @author Ceki Gülcü
34   */
35  public class ProfilerRegistry {
36  
37    private static final InheritableThreadLocal<ProfilerRegistry> inheritableThreadLocal = new InheritableThreadLocal<ProfilerRegistry>();
38  
39    
40    Map<String, Profiler> profilerMap = new HashMap<String, Profiler>();
41  
42    public void put(Profiler profiler) {
43      put(profiler.getName(), profiler);
44    }
45    
46    public void put(String name, Profiler profiler) {
47      profilerMap.put(name, profiler);
48    }
49    
50    
51    public static ProfilerRegistry getThreadContextInstance() {
52      ProfilerRegistry pr = inheritableThreadLocal.get();
53      if(pr == null) {
54        pr = new ProfilerRegistry();
55        inheritableThreadLocal.set(pr);
56      }
57      return pr;
58    }
59    
60    public Profiler get(String name) {
61      return profilerMap.get(name);
62    }
63    
64    public void clear() {
65      profilerMap.clear();
66    }
67  }