01: /*
02: * @(#) Resource.java
03: *
04: * JOTM: Java Open Transaction Manager
05: *
06: *
07: * This module was originally developed by
08: *
09: * - Bull S.A. as part of the JOnAS application server code released in
10: * July 1999 (www.bull.com)
11: *
12: * --------------------------------------------------------------------------
13: * The original code and portions created by Bull SA are
14: * Copyright (c) 1999 BULL SA
15: * All rights reserved.
16: *
17: * Redistribution and use in source and binary forms, with or without
18: * modification, are permitted provided that the following conditions are met:
19: *
20: * -Redistributions of source code must retain the above copyright notice, this
21: * list of conditions and the following disclaimer.
22: *
23: * -Redistributions in binary form must reproduce the above copyright notice,
24: * this list of conditions and the following disclaimer in the documentation
25: * and/or other materials provided with the distribution.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
28: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
31: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: *
39: * --------------------------------------------------------------------------
40: * $Id: Resource.java,v 1.6 2003/12/10 20:06:26 trentshue Exp $
41: * --------------------------------------------------------------------------
42: */
43:
44: package org.objectweb.jotm;
45:
46: import java.rmi.Remote;
47: import java.rmi.RemoteException;
48:
49: /**
50: * This interface must be implemented by objects that will be
51: * registered to the JTM Coordinator. They may be remote.
52: */
53: public interface Resource extends Remote {
54:
55: /**
56: * phase 1 of the 2PC.
57: *
58: * @return int vote commit, rollback, or readonly.
59: */
60: public int prepare() throws RemoteException;
61:
62: public final static int VOTE_COMMIT = 0;
63: public final static int VOTE_ROLLBACK = 1;
64: public final static int VOTE_READONLY = 2;
65:
66: /**
67: * rollback transaction
68: */
69: public void rollback() throws RemoteException;
70:
71: /**
72: * phase 2 of the 2PC.
73: */
74: public void commit() throws RemoteException;
75:
76: /**
77: * commit 1 phase.
78: */
79: public void commit_one_phase() throws RemoteException;
80:
81: /**
82: * forget heuristics about this transaction.
83: */
84: public void forget() throws RemoteException;
85: }
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