UseBindingControllerMixin


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.control.binding;
25  
26  import org.objectweb.fractal.api.control.BindingController;
27  import org.objectweb.fractal.api.factory.InstantiationException;
28  import org.objectweb.fractal.julia.Controller;
29  import org.objectweb.fractal.julia.InitializationContext;
30  
31  /**
32   * Provides a {@link BindingController} 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   * BindingController} interface.</li>
39   * </ul>
40   */
41  
42  public abstract class UseBindingControllerMixin implements Controller {
43  
44    // -------------------------------------------------------------------------
45    // Private constructor
46    // -------------------------------------------------------------------------
47  
48    private UseBindingControllerMixin () {
49    }
50  
51    // -------------------------------------------------------------------------
52    // Fields and methods added and overriden by the mixin class
53    // -------------------------------------------------------------------------
54  
55    /**
56     * The {@link BindingController} interface of the component to which this
57     * controller object belongs.
58     */
59  
60    public BindingController weaveableBC;
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  
72    {
73      weaveableBC = (BindingController)ic.getInterface("binding-controller");
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  ;
92  }
93
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