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.Broker;
020    import org.apache.activemq.broker.ConnectionContext;
021    import org.apache.activemq.broker.region.MessageReference;
022    import org.apache.activemq.broker.region.SubscriptionRecovery;
023    import org.apache.activemq.broker.region.Topic;
024    import org.apache.activemq.command.ActiveMQDestination;
025    import org.apache.activemq.command.Message;
026    
027    /**
028     * This SubscriptionRecoveryPolicy disable recovery of messages.
029     * 
030     * @org.apache.xbean.XBean
031     * 
032     */
033    public class NoSubscriptionRecoveryPolicy implements SubscriptionRecoveryPolicy {
034    
035        public SubscriptionRecoveryPolicy copy() {
036            // This object is immutable
037            return this;
038        }
039    
040        public boolean add(ConnectionContext context, MessageReference node) throws Exception {
041            return true;
042        }
043    
044        public void recover(ConnectionContext context, Topic topic, SubscriptionRecovery sub) throws Exception {
045        }
046    
047        public void start() throws Exception {
048        }
049    
050        public void stop() throws Exception {
051        }
052    
053        public Message[] browse(ActiveMQDestination dest) throws Exception {
054            return new Message[0];
055        }
056        
057        public void setBroker(Broker broker) {        
058        }
059    
060    }