1 /*
2 * The Apache Software License, Version 1.1
3 *
4 * Copyright (c) 2002 The Apache Software Foundation. All rights
5 * reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * 3. The end-user documentation included with the redistribution,
20 * if any, must include the following acknowledgment:
21 * "This product includes software developed by the
22 * Apache Software Foundation (http://www.apache.org/)."
23 * Alternately, this acknowledgment may appear in the software itself,
24 * if and wherever such third-party acknowledgments normally appear.
25 *
26 * 4. The names "Apache" and "Apache Software Foundation" must
27 * not be used to endorse or promote products derived from this
28 * software without prior written permission. For written
29 * permission, please contact apache@apache.org.
30 *
31 * 5. Products derived from this software may not be called "Apache",
32 * nor may "Apache" appear in their name, without prior written
33 * permission of the Apache Software Foundation.
34 *
35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 * SUCH DAMAGE.
47 * ====================================================================
48 *
49 * This software consists of voluntary contributions made by many
50 * individuals on behalf of the Apache Software Foundation. For more
51 * information on the Apache Software Foundation, please see
52 * <http://www.apache.org/>;.
53 */
54
55 package net.sf.cglib;
56
57 /***
58 * All enhanced instances returned by the Enhancer class implement this interface.
59 * Using this interface for new instances is faster than going through the Enhancer
60 * interface or using reflection. In addition, to intercept methods called during
61 * object construction you <b>must</b> use these methods.
62 * @author Juozas Baliuka <a href="mailto:baliuka@mwm.lt">baliuka@mwm.lt</a>
63 * @version $Id: Factory.java,v 1.13 2003/10/15 05:27:02 herbyderby Exp $
64 */
65 public interface Factory {
66 /***
67 * Creates new instance of the same type, using the no-arg constructor.
68 * The class of this object must have been created using a single Callback type (or none).
69 * If multiple callbacks are required an exception will be thrown.
70 * @see newInstance(Callbacks)
71 * @param callback the new interceptor to use
72 * @return new instance of the same type
73 */
74 Factory newInstance(Callback callback);
75
76 /***
77 * Creates new instance of the same type, using the no-arg constructor.
78 * @param callbacks the new callbacks(s) to use
79 * @return new instance of the same type
80 */
81 Factory newInstance(Callbacks callbacks);
82
83 /***
84 * Creates a new instance of the same type, using the constructor
85 * matching the given signature.
86 * @param types the constructor argument types
87 * @param args the constructor arguments
88 * @param callbacks the new interceptor(s) to use
89 * @return new instance of the same type
90 */
91 Factory newInstance(Class[] types, Object[] args, Callbacks callbacks);
92
93 /***
94 * Returns the current callback in use for the given type;
95 * @param type the callback type
96 * @see Callbacks
97 */
98 Callback getCallback(int type);
99
100 /***
101 * Set the callback for this object for the given type.
102 * @param type the callback type to replace
103 * @param callback the new callback
104 */
105 void setCallback(int type, Callback callback);
106
107 /***
108 * Replace all of the callbacks for this object at once.
109 * @param callbacks the new callbacks(s) to use
110 */
111 void setCallbacks(Callbacks callbacks);
112 }
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