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1   /*** 
2    * 
3    * Copyright 2004 Protique Ltd
4    * 
5    * Licensed under the Apache License, Version 2.0 (the "License"); 
6    * you may not use this file except in compliance with the License. 
7    * You may obtain a copy of the License at 
8    * 
9    * http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS, 
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
14   * See the License for the specific language governing permissions and 
15   * limitations under the License. 
16   * 
17   **/
18  package org.codehaus.activemq.store.bdbn;
19  
20  import com.sleepycat.db.Db;
21  import com.sleepycat.db.DbEnv;
22  import com.sleepycat.db.DbException;
23  import org.codehaus.activemq.service.impl.PersistenceAdapterSupport;
24  import org.codehaus.activemq.store.MessageStore;
25  import org.codehaus.activemq.store.PreparedTransactionStore;
26  import org.codehaus.activemq.store.TopicMessageStore;
27  import org.codehaus.activemq.util.JMSExceptionHelper;
28  
29  import javax.jms.JMSException;
30  import java.io.FileNotFoundException;
31  
32  /***
33   * @version $Revision: 1.1 $
34   */
35  public class BDbPersistenceAdapter extends PersistenceAdapterSupport {
36      protected DbEnv environment;
37  
38      public BDbPersistenceAdapter(DbEnv environment) {
39          this.environment = environment;
40      }
41  
42      public MessageStore createQueueMessageStore(String destinationName) throws JMSException {
43          return null; /*** TODO */
44      }
45  
46      public TopicMessageStore createTopicMessageStore(String destinationName) {
47          return null; /*** TODO */
48      }
49  
50      public PreparedTransactionStore createPreparedTransactionStore() throws JMSException {
51          return null;  /*** TODO */
52      }
53  
54      public void beginTransaction() throws JMSException {
55          try {
56              BDbHelper.createTransaction(environment);
57          }
58          catch (DbException e) {
59              throw JMSExceptionHelper.newJMSException("Failed to commit transaction. Reason: " + e, e);
60          }
61      }
62  
63      public void commitTransaction() throws JMSException {
64          BDbHelper.commitTransaction(BDbHelper.getTransaction());
65      }
66  
67      public void rollbackTransaction() {
68          BDbHelper.rollbackTransaction(BDbHelper.getTransaction());
69      }
70  
71      public void start() throws JMSException {
72      }
73  
74      public void stop() throws JMSException {
75          try {
76              environment.close(0);
77          }
78          catch (DbException e) {
79              throw JMSExceptionHelper.newJMSException("Failed to close environment. Reason: " + e, e);
80          }
81      }
82  
83      // Implementation methods
84      //-------------------------------------------------------------------------
85      protected Db createDatabase(String name) throws JMSException, FileNotFoundException, DbException {
86          return BDbHelper.open(environment, name, false);
87      }
88  
89  }