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Java > Open Source Codes > org > objectweb > fractal > julia > loader > UseLoaderMixin


1 /***
2  * Julia: France Telecom's implementation of the Fractal API
3  * Copyright (C) 2001-2002 France Telecom R&D
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: Eric.Bruneton@rd.francetelecom.com
20  *
21  * Author: Eric Bruneton
22  */
23
24 package org.objectweb.fractal.julia.loader;
25
26 import org.objectweb.fractal.api.factory.InstantiationException;
27
28 import org.objectweb.fractal.julia.Controller;
29 import org.objectweb.fractal.julia.InitializationContext;
30
31 /**
32  * Provides a {@link Loader} field to a {@link Controller}.
33  * <br>
34  * <br>
35  * <b>Requirements</b>
36  * <ul>
37  * <li>the component to which this controller belongs must provide the {@link
38  * Loader} interface.</li>
39  * </ul>
40  */
41
42 public abstract class UseLoaderMixin implements Controller {
43
44   // -------------------------------------------------------------------------
45 // Private constructor
46 // -------------------------------------------------------------------------
47
48   private UseLoaderMixin () {
49   }
50
51   // -------------------------------------------------------------------------
52 // Fields and methods added and overriden by the mixin class
53 // -------------------------------------------------------------------------
54
55   /**
56    * The {@link Loader} interface of the component to which this controller
57    * object belongs.
58    */
59
60   public Loader weaveableL;
61
62   /**
63    * Initializes the fields of this mixin and then calls the overriden method.
64    *
65    * @param ic information about the component to which this controller object
66    * belongs.
67    * @throws InstantiationException if the initialization fails.
68    */
69
70   public void initFcController (final InitializationContext ic)
71     throws InstantiationException JavaDoc
72   {
73     weaveableL = (Loader)ic.getInterface("loader");
74     _super_initFcController(ic);
75   }
76
77   // -------------------------------------------------------------------------
78 // Fields and methods required by the mixin class in the base class
79 // -------------------------------------------------------------------------
80
81   /**
82    * The {@link Controller#initFcController initFcController} method overriden
83    * by this mixin.
84    *
85    * @param ic information about the component to which this controller object
86    * belongs.
87    * @throws InstantiationException if the initialization fails.
88    */
89
90   public abstract void _super_initFcController (InitializationContext ic)
91     throws InstantiationException JavaDoc;
92 }
93
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