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.store;
018
019import java.io.IOException;
020import java.util.concurrent.Future;
021
022import org.apache.activemq.broker.ConnectionContext;
023import org.apache.activemq.command.ActiveMQDestination;
024import org.apache.activemq.command.Message;
025import org.apache.activemq.command.MessageAck;
026import org.apache.activemq.command.MessageId;
027import org.apache.activemq.usage.MemoryUsage;
028
029/**
030 * A simple proxy that delegates to another MessageStore.
031 */
032public 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}