ProxyMessageStore


1   /**
2    *
3    * Licensed to the Apache Software Foundation (ASF) under one or more
4    * contributor license agreements.  See the NOTICE file distributed with
5    * this work for additional information regarding copyright ownership.
6    * The ASF licenses this file to You under the Apache License, Version 2.0
7    * (the "License"); you may not use this file except in compliance with
8    * the License.  You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.activemq.store;
19  
20  import java.io.IOException  ;
21  
22  import org.apache.activemq.broker.ConnectionContext;
23  import org.apache.activemq.command.ActiveMQDestination;
24  import org.apache.activemq.command.Message;
25  import org.apache.activemq.command.MessageAck;
26  import org.apache.activemq.command.MessageId;
27  import org.apache.activemq.memory.UsageManager;
28  
29  /**
30   * A simple proxy that delegates to another MessageStore.
31   */
32  public class ProxyMessageStore implements MessageStore {
33  
34      final MessageStore delegate;
35      
36      public ProxyMessageStore(MessageStore delegate) {
37          this.delegate = delegate;
38      }
39      
40      public MessageStore getDelegate() {
41          return delegate;
42      }
43  
44      public void addMessage(ConnectionContext context, Message message) throws IOException   {
45          delegate.addMessage(context, message);
46      }
47      public Message getMessage(MessageId identity) throws IOException   {
48          return delegate.getMessage(identity);
49      }
50      public void recover(MessageRecoveryListener listener) throws Exception   {
51          delegate.recover(listener);
52      }
53      public void removeAllMessages(ConnectionContext context) throws IOException   {
54          delegate.removeAllMessages(context);
55      }
56      public void removeMessage(ConnectionContext context, MessageAck ack) throws IOException   {
57          delegate.removeMessage(context, ack);
58      }
59      public void start() throws Exception   {
60          delegate.start();
61      }    
62      public void stop() throws Exception   {
63          delegate.stop();
64      }
65      public ActiveMQDestination getDestination() {
66          return delegate.getDestination();
67      }
68  
69      public void setUsageManager(UsageManager usageManager) {
70          delegate.setUsageManager(usageManager);
71      }
72  
73   
74      public int getMessageCount() throws IOException  {
75          return delegate.getMessageCount();
76      }
77  
78  
79      public void recoverNextMessages(int maxReturned,MessageRecoveryListener listener) throws Exception  {
80         delegate.recoverNextMessages(maxReturned,listener);
81          
82      }
83  
84      public void resetBatching(){
85          delegate.resetBatching();
86          
87      }
88  }
89
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