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Java > Open Source Codes > org > jboss > ejb3 > test > strictpool > OverrideStrictlyPooledSessionBean


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.test.strictpool;
23
24 import javax.annotation.Resource;
25 import javax.ejb.EJBException JavaDoc;
26 import javax.ejb.Remote JavaDoc;
27 import javax.ejb.SessionContext JavaDoc;
28 import javax.ejb.Stateless JavaDoc;
29 import org.jboss.annotation.ejb.PoolClass;
30
31
32 /**
33  * @version <tt>$Revision: 55512 $</tt>
34  * @author <a HREF="mailto:bdecoste@jboss.com">William DeCoste</a>
35  */
36 @Stateless JavaDoc
37 @PoolClass(value=org.jboss.ejb3.test.strictpool.BogusPool.class, maxSize=0, timeout=0)
38 @Remote JavaDoc(StrictlyPooledSession.class)
39 public class OverrideStrictlyPooledSessionBean implements StrictlyPooledSession
40 {
41    /** The class wide max count of instances allows */
42    public static final int maxActiveCount = 5;
43    /** The class wide count of instances active in business code */
44    private static int activeCount;
45
46    private SessionContext JavaDoc ctx;
47
48    @Resource public void setSessionContext(SessionContext JavaDoc ctx)
49    {
50       System.out.println("setSessionContext()");
51       this.ctx = ctx;
52    }
53
54    public void methodA()
55    {
56       int count = incActiveCount();
57       System.out.println("Begin methodA, activeCount="+count+", ctx="+ctx);
58       try
59       {
60          if( count > maxActiveCount )
61          {
62             String JavaDoc msg = "IllegalState, activeCount > maxActiveCount, "
63                   + count + " > " + maxActiveCount;
64             throw new EJBException JavaDoc(msg);
65          }
66          // Sleep to let the client thread pile up
67 Thread.currentThread().sleep(1000);
68       }
69       catch(InterruptedException JavaDoc e)
70       {
71       }
72       finally
73       {
74          count = decActiveCount();
75          System.out.println("End methodA, activeCount="+count+", ctx="+ctx);
76       }
77    }
78
79    private static synchronized int incActiveCount()
80    {
81       return activeCount ++;
82    }
83    private static synchronized int decActiveCount()
84    {
85       return activeCount --;
86    }
87
88 }
89
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