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;
021import org.apache.activemq.broker.ConnectionContext;
022import org.apache.activemq.command.ActiveMQDestination;
023import org.apache.activemq.command.Message;
024import org.apache.activemq.command.MessageAck;
025import org.apache.activemq.command.MessageId;
026import org.apache.activemq.usage.MemoryUsage;
027
028/**
029 * A simple proxy that delegates to another MessageStore.
030 */
031public class ProxyMessageStore implements MessageStore {
032
033    final MessageStore delegate;
034
035    public ProxyMessageStore(MessageStore delegate) {
036        this.delegate = delegate;
037    }
038
039    public MessageStore getDelegate() {
040        return delegate;
041    }
042
043    public void addMessage(ConnectionContext context, Message message) throws IOException {
044        delegate.addMessage(context, message);
045    }
046
047    public Message getMessage(MessageId identity) throws IOException {
048        return delegate.getMessage(identity);
049    }
050
051    public void recover(MessageRecoveryListener listener) throws Exception {
052        delegate.recover(listener);
053    }
054
055    public void removeAllMessages(ConnectionContext context) throws IOException {
056        delegate.removeAllMessages(context);
057    }
058
059    public void removeMessage(ConnectionContext context, MessageAck ack) throws IOException {
060        delegate.removeMessage(context, ack);
061    }
062
063    public void start() throws Exception {
064        delegate.start();
065    }
066
067    public void stop() throws Exception {
068        delegate.stop();
069    }
070
071    public void dispose(ConnectionContext context) {
072        delegate.dispose(context);
073    }
074
075    public ActiveMQDestination getDestination() {
076        return delegate.getDestination();
077    }
078
079    public void setMemoryUsage(MemoryUsage memoryUsage) {
080        delegate.setMemoryUsage(memoryUsage);
081    }
082
083    public int getMessageCount() throws IOException {
084        return delegate.getMessageCount();
085    }
086
087    public void recoverNextMessages(int maxReturned, MessageRecoveryListener listener) throws Exception {
088        delegate.recoverNextMessages(maxReturned, listener);
089
090    }
091
092    public void resetBatching() {
093        delegate.resetBatching();
094
095    }
096
097    public void setBatch(MessageId messageId) throws Exception {
098        delegate.setBatch(messageId);
099    }
100
101    public boolean isEmpty() throws Exception {
102       return delegate.isEmpty();
103    }
104
105    public Future<Object> asyncAddQueueMessage(ConnectionContext context, Message message) throws IOException {
106       return delegate.asyncAddQueueMessage(context, message);
107    }
108    
109    public Future<Object> asyncAddTopicMessage(ConnectionContext context, Message message) throws IOException {
110        return delegate.asyncAddTopicMessage(context, message);
111     }
112    
113    public void removeAsyncMessage(ConnectionContext context, MessageAck ack) throws IOException {
114        delegate.removeAsyncMessage(context, ack);       
115    }
116
117    public void setPrioritizedMessages(boolean prioritizedMessages) {
118        delegate.setPrioritizedMessages(prioritizedMessages);
119    }
120
121    public boolean isPrioritizedMessages() {
122        return delegate.isPrioritizedMessages();
123    }
124}