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 }