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.usage.MemoryUsage;
028    
029    /**
030     * A simple proxy that delegates to another MessageStore.
031     */
032    public class ProxyMessageStore implements MessageStore {
033    
034        final MessageStore delegate;
035    
036        public ProxyMessageStore(MessageStore delegate) {
037            this.delegate = delegate;
038        }
039    
040        public MessageStore getDelegate() {
041            return delegate;
042        }
043    
044        @Override
045        public void addMessage(ConnectionContext context, Message message) throws IOException {
046            delegate.addMessage(context, message);
047        }
048    
049        @Override
050        public void addMessage(ConnectionContext context, Message message, boolean canOptimizeHint) throws IOException {
051            delegate.addMessage(context,message,canOptimizeHint);
052        }
053    
054        @Override
055        public Message getMessage(MessageId identity) throws IOException {
056            return delegate.getMessage(identity);
057        }
058    
059        @Override
060        public void recover(MessageRecoveryListener listener) throws Exception {
061            delegate.recover(listener);
062        }
063    
064        @Override
065        public void removeAllMessages(ConnectionContext context) throws IOException {
066            delegate.removeAllMessages(context);
067        }
068    
069        @Override
070        public void removeMessage(ConnectionContext context, MessageAck ack) throws IOException {
071            delegate.removeMessage(context, ack);
072        }
073    
074        @Override
075        public void start() throws Exception {
076            delegate.start();
077        }
078    
079        @Override
080        public void stop() throws Exception {
081            delegate.stop();
082        }
083    
084        @Override
085        public void dispose(ConnectionContext context) {
086            delegate.dispose(context);
087        }
088    
089        @Override
090        public ActiveMQDestination getDestination() {
091            return delegate.getDestination();
092        }
093    
094        @Override
095        public void setMemoryUsage(MemoryUsage memoryUsage) {
096            delegate.setMemoryUsage(memoryUsage);
097        }
098    
099        @Override
100        public int getMessageCount() throws IOException {
101            return delegate.getMessageCount();
102        }
103    
104        @Override
105        public void recoverNextMessages(int maxReturned, MessageRecoveryListener listener) throws Exception {
106            delegate.recoverNextMessages(maxReturned, listener);
107        }
108    
109        @Override
110        public void resetBatching() {
111            delegate.resetBatching();
112        }
113    
114        @Override
115        public void setBatch(MessageId messageId) throws Exception {
116            delegate.setBatch(messageId);
117        }
118    
119        @Override
120        public boolean isEmpty() throws Exception {
121           return delegate.isEmpty();
122        }
123    
124        @Override
125        public Future<Object> asyncAddQueueMessage(ConnectionContext context, Message message) throws IOException {
126           return delegate.asyncAddQueueMessage(context, message);
127        }
128    
129        @Override
130        public Future<Object> asyncAddQueueMessage(ConnectionContext context, Message message, boolean canOptimizeHint) throws IOException {
131           return delegate.asyncAddQueueMessage(context,message,canOptimizeHint);
132        }
133    
134        @Override
135        public Future<Object> asyncAddTopicMessage(ConnectionContext context, Message message) throws IOException {
136            return delegate.asyncAddTopicMessage(context, message);
137         }
138    
139        @Override
140        public Future<Object> asyncAddTopicMessage(ConnectionContext context, Message message, boolean canOptimizeHint) throws IOException {
141            return asyncAddTopicMessage(context,message,canOptimizeHint);
142        }
143    
144        @Override
145        public void removeAsyncMessage(ConnectionContext context, MessageAck ack) throws IOException {
146            delegate.removeAsyncMessage(context, ack);
147        }
148    
149        @Override
150        public void setPrioritizedMessages(boolean prioritizedMessages) {
151            delegate.setPrioritizedMessages(prioritizedMessages);
152        }
153    
154        @Override
155        public boolean isPrioritizedMessages() {
156            return delegate.isPrioritizedMessages();
157        }
158    }