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Java > Open Source Codes > org > objectweb > cjdbc > controller > recoverylog > events > LogEvent


1 /**
2  * C-JDBC: Clustered JDBC.
3  * Copyright (C) 2005 Emic Networks.
4  * Contact: c-jdbc@objectweb.org
5  *
6  * This library is free software; you can redistribute it and/or modify it
7  * under the terms of the GNU Lesser General Public License as published by the
8  * Free Software Foundation; either version 2.1 of the License, or any later
9  * version.
10  *
11  * This library is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
14  * for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public License
17  * along with this library; if not, write to the Free Software Foundation,
18  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
19  *
20  * Initial developer(s): Emmanuel Cecchet.
21  * Contributor(s): ______________________.
22  */
23
24 package org.objectweb.cjdbc.controller.recoverylog.events;
25
26 import org.objectweb.cjdbc.controller.recoverylog.LoggerThread;
27
28 /**
29  * This interface defines a LogEvent that defines the profile of actions that
30  * manipulate the recovery log like logging a request.
31  *
32  * @author <a HREF="mailto:emmanuel.cecchet@emicnetworks.com">Emmanuel Cecchet</a>
33  * @version 1.0
34  */
35 public interface LogEvent
36 {
37   /**
38    * Returns true if this logEvent belongs to the given transaction.
39    *
40    * @param tid the transaction identifier
41    * @return true if this logEvent belongs to this transaction
42    */
43   boolean belongToTransaction(long tid);
44
45   /**
46    * Called by the LoggerThread to perform the needed operation on the log for
47    * this entry.
48    *
49    * @param loggerThread the logger thread calling this method
50    */
51   void execute(LoggerThread loggerThread);
52
53 }
54
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