ComponentInterface


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;
25  
26  import org.objectweb.fractal.api.Interface;
27  
28  /**
29   * An extended {@link Interface} interface. This extended interface provides
30   * access to the object that implements a component interface.
31   */
32  
33  public interface ComponentInterface extends Interface {
34  
35    /**
36     * Sets the name of this component interface.
37     *
38     * @param name the new name of this component interface.
39     */
40  
41    void setFcItfName (String   name);
42  
43    /**
44     * Returns the object that implements this component interface.
45     *
46     * @return the object that implements this component interface.
47     * @see #setFcItfImpl setFcItfImpl
48     */
49  
50    Object   getFcItfImpl ();
51  
52    /**
53     * Sets the object that implements this component interface.
54     *
55     * @param impl the object that implements this component interface.
56     * @see #getFcItfImpl getFcItfImpl
57     */
58  
59    void setFcItfImpl (Object   impl);
60  
61    /**
62     * Returns <tt>true</tt> if this interface has a permanently associated
63     * interceptor. Note that, due to the algorithm to compute shortcut links
64     * between components, the object that implements this component interface may
65     * temporarily be an interceptor object, even if this interface has no
66     * permanently associated interceptor. This method is therefore NOT equivalent
67     * to {@link #getFcItfImpl getFcItfImpl} <tt>instanceof Interceptor</tt> (but
68     * it implies it).
69     *
70     * @return <tt>true</tt> if this interface has a permanently associated
71     *      interceptor.
72     */
73  
74    boolean hasFcInterceptor ();
75  
76    /**
77     * Creates and returns a copy of this component interface.
78     *
79     * @return a copy of this component interface.
80     */
81  
82    Object   clone ();
83  }
84
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