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Java > Open Source Codes > org > jboss > ejb3 > ThreadlocalPool


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.ejb3;
23
24
25 /**
26  * Pools EJBs within a ThreadLocal.
27  *
28  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
29  * @version $Revision: 37459 $
30  */
31 public class ThreadlocalPool extends AbstractPool
32 {
33    protected ThreadLocal JavaDoc pool = new ThreadLocal JavaDoc();
34
35    public ThreadlocalPool()
36    {
37    }
38
39    public BeanContext get()
40    {
41       BeanContext ctx = (BeanContext) pool.get();
42       if (ctx != null)
43       {
44          pool.set(null);
45          return ctx;
46       }
47
48       ctx = create();
49       return ctx;
50    }
51
52    public BeanContext get(Class JavaDoc[] initTypes, Object JavaDoc[] initValues)
53    {
54       BeanContext ctx = (BeanContext) pool.get();
55       if (ctx != null)
56       {
57          pool.set(null);
58          return ctx;
59       }
60
61       ctx = create(initTypes, initValues);
62       return ctx;
63    }
64
65    public void release(BeanContext ctx)
66    {
67       if (pool.get() != null)
68          remove(ctx);
69       else
70          pool.set(ctx);
71    }
72
73 }
74
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