MessageDrivenBean


1   /**
2    * EasyBeans
3    * Copyright (C) 2006 Bull S.A.S.
4    * Contact: easybeans@objectweb.org
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2.1 of the License, or any later version.
10   *
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19   * USA
20   *
21   * --------------------------------------------------------------------------
22   * $Id: MessageDrivenBean.java 1100 2006-08-16 13:05:31Z benoitf $
23   * --------------------------------------------------------------------------
24   */
25  
26  package javax.ejb;
27  
28  
29  /**
30   * The MessageDrivenBean interface is implemented by every message-driven
31   * enterprise Bean class. The container uses the MessageDrivenBean methods to
32   * notify the enterprise Bean instances of the instance's life cycle events.
33   * @see <a HREF="http://www.jcp.org/en/jsr/detail?id=220">EJB 3.0 specification</a>
34   * @author Florent Benoit
35   */
36  public interface MessageDrivenBean extends EnterpriseBean   {
37  
38      /**
39       * Set the associated message-driven context. The container calls this
40       * method after the instance creation. The enterprise Bean instance should
41       * store the reference to the context object in an instance variable. This
42       * method is called with no transaction context.
43       * @param ctx A MessageDrivenContext interface for the instance.
44       * @throws EJBException Thrown by the method to indicate a failure caused by
45       *         a system-level error.
46       */
47      void setMessageDrivenContext(MessageDrivenContext   ctx) throws EJBException  ;
48  
49      /**
50       * A container invokes this method before it ends the life of the
51       * message-driven object. This happens when a container decides to terminate
52       * the message-driven object. This method is called with no transaction
53       * context.
54       * @throws EJBException Thrown by the method to indicate a failure caused by
55       *         a system-level error.
56       */
57      void ejbRemove() throws EJBException  ;
58  
59  }
60
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