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.apache.commons.pool.ObjectPool;
29: import org.jicarilla.container.Adapter;
30: import org.jicarilla.lang.Assert;
31:
32: /**
33: * @author <a href="lsimons at jicarilla dot org">Leo Simons</a>
34: * @version $Id: PoolingAdapter.java,v 1.3 2004/03/23 13:37:52 lsimons Exp $
35: */
36: public class PoolingAdapter implements Adapter {
37: protected final ObjectPool m_pool;
38:
39: public PoolingAdapter(final ObjectPool pool) {
40: Assert.assertNotNull("pool argument may not be null", pool);
41:
42: m_pool = pool;
43: }
44:
45: public Object getInstance() {
46: Object instance = null;
47: try {
48: instance = m_pool.borrowObject();
49: } catch (Exception e) {
50: AbstractAdapter.handleUnexpectedException(e);
51: }
52: return instance;
53: }
54:
55: public void releaseInstance(final Object component)
56: throws Exception {
57: m_pool.returnObject(component);
58: }
59: }
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