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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 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<>();
38  
39      Map<String, Profiler> profilerMap = new HashMap<>();
40  
41      public void put(Profiler profiler) {
42          put(profiler.getName(), profiler);
43      }
44  
45      public void put(String name, Profiler profiler) {
46          profilerMap.put(name, profiler);
47      }
48  
49      public static ProfilerRegistry getThreadContextInstance() {
50          ProfilerRegistry pr = inheritableThreadLocal.get();
51          if (pr == null) {
52              pr = new ProfilerRegistry();
53              inheritableThreadLocal.set(pr);
54          }
55          return pr;
56      }
57  
58      public Profiler get(String name) {
59          return profilerMap.get(name);
60      }
61  
62      public void clear() {
63          profilerMap.clear();
64      }
65  }