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}