001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.activemq.broker.region.policy; 018 019 import org.apache.activemq.broker.ConnectionContext; 020 import org.apache.activemq.broker.region.MessageReference; 021 import org.apache.activemq.broker.region.SubscriptionRecovery; 022 import org.apache.activemq.broker.region.Topic; 023 import org.apache.activemq.command.ActiveMQDestination; 024 import org.apache.activemq.command.Message; 025 026 /** 027 * This SubscriptionRecoveryPolicy disable recovery of messages. 028 * 029 * @org.apache.xbean.XBean 030 * @version $Revision$ 031 */ 032 public class NoSubscriptionRecoveryPolicy implements SubscriptionRecoveryPolicy { 033 034 public SubscriptionRecoveryPolicy copy() { 035 // This object is immutable 036 return this; 037 } 038 039 public boolean add(ConnectionContext context, MessageReference node) throws Exception { 040 return true; 041 } 042 043 public void recover(ConnectionContext context, Topic topic, SubscriptionRecovery sub) throws Exception { 044 } 045 046 public void start() throws Exception { 047 } 048 049 public void stop() throws Exception { 050 } 051 052 public Message[] browse(ActiveMQDestination dest) throws Exception { 053 return new Message[0]; 054 } 055 056 }