1 /**
2 *
3 * Copyright 2003-2004 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.geronimo.transaction.log;
19
20 import java.util.ArrayList;
21 import java.util.Collection;
22 import java.util.List;
23
24 import javax.transaction.xa.Xid;
25
26 import org.apache.geronimo.transaction.manager.LogException;
27 import org.apache.geronimo.transaction.manager.TransactionLog;
28 import org.apache.geronimo.transaction.manager.XidFactory;
29
30 /**
31 * A log sink that doesn't actually do anything.
32 * Not recommended for production use as heuristic recovery will be needed if
33 * the transaction coordinator dies.
34 *
35 * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
36 */
37 public class UnrecoverableLog implements TransactionLog {
38 public void begin(Xid xid) throws LogException {
39 }
40
41 public Object prepare(Xid xid, List branches) throws LogException {
42 return null;
43 }
44
45 public void commit(Xid xid, Object logMark) throws LogException {
46 }
47
48 public void rollback(Xid xid, Object logMark) throws LogException {
49 }
50
51 public Collection recover(XidFactory xidFactory) throws LogException {
52 return new ArrayList();
53 }
54
55 public String getXMLStats() {
56 return null;
57 }
58
59 public int getAverageForceTime() {
60 return 0;
61 }
62
63 public int getAverageBytesPerForce() {
64 return 0;
65 }
66 }