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 */
017package org.apache.activemq.broker.region.policy;
018
019import org.apache.activemq.broker.Broker;
020import org.apache.activemq.broker.ConnectionContext;
021import org.apache.activemq.broker.region.MessageReference;
022import org.apache.activemq.broker.region.SubscriptionRecovery;
023import org.apache.activemq.broker.region.Topic;
024import org.apache.activemq.command.ActiveMQDestination;
025import org.apache.activemq.command.Message;
026
027/**
028 * This SubscriptionRecoveryPolicy disable recovery of messages.
029 * 
030 * @org.apache.xbean.XBean
031 * 
032 */
033public 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}