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Java > Open Source Codes > org > jboss > ejb > Interceptor


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.ejb;
23
24 import org.jboss.invocation.Invocation;
25
26
27 /**
28  * Provides the interface for all container interceptors.
29  *
30  * @author <a HREF="mailto:rickard.oberg@telkel.com">Rickard Öberg</a>
31  * @author <a HREF="mailto:marc.fleury@jboss.org">Marc Fleury</a>
32  * @version $Revision: 37459 $
33  *
34  *<p><b>20011219 marc fleury:</b>
35  * <ul>
36  * <li>Method Invocation is replaced by Invocation
37  *</ul>
38  */
39 public interface Interceptor
40    extends ContainerPlugin
41 {
42    /**
43     * Set the next interceptor in the chain.
44     *
45     * @param interceptor The next interceptor in the chain.
46     */
47    void setNext(Interceptor interceptor);
48
49    /**
50     * Get the next interceptor in the chain.
51     *
52     * @return The next interceptor in the chain.
53     */
54    Interceptor getNext();
55    
56    /**
57     * ???
58     *
59     * @param mi ???
60     * @return ???
61     *
62     * @throws Exception ???
63     */
64    Object JavaDoc invokeHome(Invocation mi) throws Exception JavaDoc;
65
66    /**
67     * ???
68     *
69     * @param mi ???
70     * @return ???
71     *
72     * @throws Exception ???
73     */
74    Object JavaDoc invoke(Invocation mi) throws Exception JavaDoc;
75 }
76
77
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