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 import org.apache.activemq.broker.ConnectionContext;
022 import org.apache.activemq.command.ActiveMQDestination;
023 import org.apache.activemq.command.Message;
024 import org.apache.activemq.command.MessageAck;
025 import org.apache.activemq.command.MessageId;
026 import org.apache.activemq.usage.MemoryUsage;
027
028 /**
029 * A simple proxy that delegates to another MessageStore.
030 */
031 public 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 }