1 /***
2 *
3 * Copyright 2004 Protique Ltd
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.codehaus.activemq.service;
19
20 /***
21 * Represents the redelivery policy which is used when a rollback() occurs
22 * (either JMS or XA). Various options are possible which this policy tries to capture
23 * the main variants.
24 * If enabled, a typical redelivery policy could be to use a back-off timeout period.
25 *
26 * @version $Revision: 1.1 $
27 */
28 public class RedeliveryPolicy {
29 private int maximumRetryCount = 5;
30 private boolean backOffMode = true;
31 private long initialRedeliveryTimeout = 1000L;
32 private double backOffIncreaseRate = 2.0;
33
34 /***
35 * Returns whether or not we use a back-off timeout (increasing the timeout
36 * by the {@link #getBackOffIncreaseRate()} each time).
37 */
38 public boolean isBackOffMode() {
39 return backOffMode;
40 }
41
42 public void setBackOffMode(boolean backOffMode) {
43 this.backOffMode = backOffMode;
44 }
45
46 /***
47 * Returns the initial redelivery timeout
48 */
49 public long getInitialRedeliveryTimeout() {
50 return initialRedeliveryTimeout;
51 }
52
53 public void setInitialRedeliveryTimeout(long initialRedeliveryTimeout) {
54 this.initialRedeliveryTimeout = initialRedeliveryTimeout;
55 }
56
57 /***
58 * Returns the maximum retry count on a single message before its forwarded
59 * to a Dead Letter Queue
60 */
61 public int getMaximumRetryCount() {
62 return maximumRetryCount;
63 }
64
65 public void setMaximumRetryCount(int maximumRetryCount) {
66 this.maximumRetryCount = maximumRetryCount;
67 }
68
69 public double getBackOffIncreaseRate() {
70 return backOffIncreaseRate;
71 }
72
73 public void setBackOffIncreaseRate(double backOffIncreaseRate) {
74 this.backOffIncreaseRate = backOffIncreaseRate;
75 }
76 }