01: /* ====================================================================
02: The Jicarilla Software License
03:
04: Copyright (c) 2003 Leo Simons.
05: All rights reserved.
06:
07: Permission is hereby granted, free of charge, to any person obtaining
08: a copy of this software and associated documentation files (the
09: "Software"), to deal in the Software without restriction, including
10: without limitation the rights to use, copy, modify, merge, publish,
11: distribute, sublicense, and/or sell copies of the Software, and to
12: permit persons to whom the Software is furnished to do so, subject to
13: the following conditions:
14:
15: The above copyright notice and this permission notice shall be
16: included in all copies or substantial portions of the Software.
17:
18: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19: EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20: MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21: IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
22: CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23: TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24: SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25: ==================================================================== */
26: package org.jicarilla.container.adapters;
27:
28: import org.jicarilla.container.Factory;
29:
30: /**
31: * @author <a href="lsimons at jicarilla dot org">Leo Simons</a>
32: * @version $Id: ThreadLocalAdapter.java,v 1.1 2004/01/10 10:32:15 lsimons Exp $
33: */
34: public class ThreadLocalAdapter extends AbstractAdapter {
35: protected static ThreadLocal m_instanceHolder = new ThreadLocal();
36:
37: public ThreadLocalAdapter(final Factory factory) {
38: super (factory);
39:
40: m_instanceHolder = new ThreadLocalInstanceHolder(m_factory);
41: }
42:
43: public Object getInstance() {
44: final Object threadLocalValue = m_instanceHolder.get();
45: return threadLocalValue;
46: }
47:
48: protected static class ThreadLocalInstanceHolder extends
49: ThreadLocal {
50: protected final Factory m_factory;
51:
52: protected ThreadLocalInstanceHolder(final Factory factory) {
53: m_factory = factory;
54: }
55:
56: protected Object initialValue() {
57: return m_factory.newInstance();
58: }
59: }
60: }
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