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.store;
018    
019    import java.io.IOException;
020    import java.util.concurrent.Future;
021    
022    import org.apache.activemq.broker.ConnectionContext;
023    import org.apache.activemq.command.ActiveMQDestination;
024    import org.apache.activemq.command.Message;
025    import org.apache.activemq.command.MessageAck;
026    import org.apache.activemq.command.MessageId;
027    import org.apache.activemq.command.SubscriptionInfo;
028    import org.apache.activemq.usage.MemoryUsage;
029    
030    /**
031     * A simple proxy that delegates to another MessageStore.
032     */
033    public class ProxyTopicMessageStore implements TopicMessageStore {
034    
035        final TopicMessageStore delegate;
036    
037        public ProxyTopicMessageStore(TopicMessageStore delegate) {
038            this.delegate = delegate;
039        }
040    
041        public MessageStore getDelegate() {
042            return delegate;
043        }
044    
045        @Override
046        public void addMessage(ConnectionContext context, Message message) throws IOException {
047            delegate.addMessage(context, message);
048        }
049    
050        @Override
051        public void addMessage(ConnectionContext context, Message message, boolean canOptimizeHint) throws IOException {
052           delegate.addMessage(context, message, canOptimizeHint);
053        }
054    
055        @Override
056        public Message getMessage(MessageId identity) throws IOException {
057            return delegate.getMessage(identity);
058        }
059    
060        @Override
061        public void recover(MessageRecoveryListener listener) throws Exception {
062            delegate.recover(listener);
063        }
064    
065        @Override
066        public void removeAllMessages(ConnectionContext context) throws IOException {
067            delegate.removeAllMessages(context);
068        }
069    
070        @Override
071        public void removeMessage(ConnectionContext context, MessageAck ack) throws IOException {
072            delegate.removeMessage(context, ack);
073        }
074    
075        @Override
076        public void start() throws Exception {
077            delegate.start();
078        }
079    
080        @Override
081        public void stop() throws Exception {
082            delegate.stop();
083        }
084    
085        @Override
086        public SubscriptionInfo lookupSubscription(String clientId, String subscriptionName) throws IOException {
087            return delegate.lookupSubscription(clientId, subscriptionName);
088        }
089    
090        @Override
091        public void acknowledge(ConnectionContext context, String clientId, String subscriptionName,
092                                MessageId messageId, MessageAck ack) throws IOException {
093            delegate.acknowledge(context, clientId, subscriptionName, messageId, ack);
094        }
095    
096        @Override
097        public void addSubsciption(SubscriptionInfo subscriptionInfo, boolean retroactive) throws IOException {
098            delegate.addSubsciption(subscriptionInfo, retroactive);
099        }
100    
101        @Override
102        public void deleteSubscription(String clientId, String subscriptionName) throws IOException {
103            delegate.deleteSubscription(clientId, subscriptionName);
104        }
105    
106        @Override
107        public void recoverSubscription(String clientId, String subscriptionName, MessageRecoveryListener listener)
108            throws Exception {
109            delegate.recoverSubscription(clientId, subscriptionName, listener);
110        }
111    
112        @Override
113        public void recoverNextMessages(String clientId, String subscriptionName, int maxReturned,
114                                        MessageRecoveryListener listener) throws Exception {
115            delegate.recoverNextMessages(clientId, subscriptionName, maxReturned, listener);
116        }
117    
118        @Override
119        public void resetBatching(String clientId, String subscriptionName) {
120            delegate.resetBatching(clientId, subscriptionName);
121        }
122    
123        @Override
124        public ActiveMQDestination getDestination() {
125            return delegate.getDestination();
126        }
127    
128        @Override
129        public SubscriptionInfo[] getAllSubscriptions() throws IOException {
130            return delegate.getAllSubscriptions();
131        }
132    
133        @Override
134        public void setMemoryUsage(MemoryUsage memoryUsage) {
135            delegate.setMemoryUsage(memoryUsage);
136        }
137    
138        @Override
139        public int getMessageCount(String clientId, String subscriberName) throws IOException {
140            return delegate.getMessageCount(clientId, subscriberName);
141        }
142    
143        @Override
144        public int getMessageCount() throws IOException {
145            return delegate.getMessageCount();
146        }
147    
148        @Override
149        public void recoverNextMessages(int maxReturned, MessageRecoveryListener listener) throws Exception {
150            delegate.recoverNextMessages(maxReturned, listener);
151        }
152    
153        @Override
154        public void dispose(ConnectionContext context) {
155            delegate.dispose(context);
156        }
157    
158        @Override
159        public void resetBatching() {
160            delegate.resetBatching();
161        }
162    
163        @Override
164        public void setBatch(MessageId messageId) throws Exception {
165            delegate.setBatch(messageId);
166        }
167    
168        @Override
169        public boolean isEmpty() throws Exception {
170            return delegate.isEmpty();
171         }
172    
173        @Override
174        public Future<Object> asyncAddTopicMessage(ConnectionContext context, Message message) throws IOException {
175            return delegate.asyncAddTopicMessage(context, message);
176         }
177    
178        @Override
179        public Future<Object> asyncAddTopicMessage(ConnectionContext context, Message message, boolean canOptimizeHint) throws IOException {
180            return delegate.asyncAddTopicMessage(context,message, canOptimizeHint);
181        }
182    
183        @Override
184        public Future<Object> asyncAddQueueMessage(ConnectionContext context, Message message) throws IOException {
185            return delegate.asyncAddQueueMessage(context, message);
186        }
187    
188        @Override
189        public Future<Object> asyncAddQueueMessage(ConnectionContext context, Message message, boolean canOptimizeHint) throws IOException {
190            return delegate.asyncAddQueueMessage(context,message, canOptimizeHint);
191        }
192    
193        @Override
194        public void removeAsyncMessage(ConnectionContext context, MessageAck ack) throws IOException {
195            delegate.removeAsyncMessage(context, ack);
196        }
197    
198        @Override
199        public void setPrioritizedMessages(boolean prioritizedMessages) {
200            delegate.setPrioritizedMessages(prioritizedMessages);
201        }
202    
203        @Override
204        public boolean isPrioritizedMessages() {
205            return delegate.isPrioritizedMessages();
206        }
207    }