1 /*
2    Copyright 2010 Sun Microsystems, Inc.
3    All rights reserved. Use is subject to license terms.
4 
5    This program is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License, version 2.0,
7    as published by the Free Software Foundation.
8 
9    This program is also distributed with certain software (including
10    but not limited to OpenSSL) that is licensed under separate terms,
11    as designated in a particular file or component or in included license
12    documentation.  The authors of MySQL hereby grant you an additional
13    permission to link the program and your derivative works with the
14    separately licensed software that they have included with MySQL.
15 
16    This program is distributed in the hope that it will be useful,
17    but WITHOUT ANY WARRANTY; without even the implied warranty of
18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19    GNU General Public License, version 2.0, for more details.
20 
21    You should have received a copy of the GNU General Public License
22    along with this program; if not, write to the Free Software
23    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
24 */
25 
26 package com.mysql.clusterj;
27 
28 /** Transaction represents a user transaction active in the cluster.
29  *
30  */
31 public interface Transaction {
32 
33     /** Begin a transaction.
34      *
35      */
begin()36     void begin();
37 
38     /** Commit a transaction.
39      *
40      */
commit()41     void commit();
42 
43     /** Roll back a transaction.
44      *
45      */
rollback()46     void rollback();
47 
48     /** Is there a transaction currently active?
49      * @return true if a transaction is active
50      */
isActive()51     boolean isActive();
52 
53     /** Mark this transaction as rollback only. After this method is called,
54      * commit() will roll back the transaction and throw an exception;
55      * rollback() will roll back the transaction and not throw an exception.
56      */
setRollbackOnly()57     void setRollbackOnly();
58 
59     /** Has this transaction been marked for rollback only?
60      * @return true if the transaction has been marked for rollback only
61      */
getRollbackOnly()62     boolean getRollbackOnly();
63 
64 }
65