LifeCycleInterceptorGenerator


1   /**
2    * Dream
3    * Copyright (C) 2003-2004 INRIA Rhone-Alpes
4    *
5    * This library is free software; you can redistribute it and/or
6    * modify it under the terms of the GNU Lesser General Public
7    * License as published by the Free Software Foundation; either
8    * version 2 of the License, or (at your option) any later version.
9    *
10   * This library is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   * Lesser General Public License for more details.
14   *
15   * You should have received a copy of the GNU Lesser General Public
16   * License along with this library; if not, write to the Free Software
17   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18   *
19   * Contact: dream@objectweb.org
20   *
21   * Initial developer(s): Vivien Quema
22   * Contributor(s): 
23   */
24  
25  package org.objectweb.dream.control.lifecycle;
26  
27  import java.lang.reflect.Method  ;
28  
29  import org.objectweb.fractal.julia.asm.InterceptorCodeAdapter;
30  import org.objectweb.fractal.julia.asm.SimpleCodeGenerator;
31  
32  /**
33   * Interceptor generator for lifecycle interceptor. Use
34   * {@link SimpleCodeGenerator }pre and post method are implemented by
35   * <code>lifecycle-controller</code>. Pre and post method have the following
36   * signature :<code>int addCurrentThread(String s)</code> and
37   * <code>void removeCurrentThread(String s, int i)</code>.
38   */
39  public class LifeCycleInterceptorGenerator extends SimpleCodeGenerator
40  {
41  
42    /**
43     * @see SimpleCodeGenerator#getControllerInterfaceName()
44     */
45    protected String   getControllerInterfaceName()
46    {
47      return "lifecycle-controller";
48    }
49  
50    /**
51     * @see SimpleCodeGenerator#getPreMethodName()
52     */
53    protected String   getPreMethodName()
54    {
55      return "addCurrentThread";
56    }
57  
58    /**
59     * @see SimpleCodeGenerator#getPostMethodName()
60     */
61    protected String   getPostMethodName()
62    {
63      return "removeCurrentThread";
64    }
65  
66    /**
67     * @see SimpleCodeGenerator#getContextType()
68     */
69    protected Class   getContextType()
70    {
71      return Integer.TYPE;
72    }
73  
74    /**
75     * @see SimpleCodeGenerator#getMethodName(Method)
76     */
77    protected String   getMethodName(Method   m)
78    {
79      return "";
80    }
81  
82    /**
83     * @see org.objectweb.fractal.julia.asm.AbstractCodeGenerator#getInterceptionType(Method)
84     */
85    protected int getInterceptionType(Method   m)
86    {
87      return InterceptorCodeAdapter.FINALLY;
88    }
89  }
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