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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  import java.util.Map;
32  
33  /***
34   * @version $Revision: 1.2 $
35   */
36  public class BDbPersistenceAdapter extends PersistenceAdapterSupport {
37      protected DbEnv environment;
38  
39      public BDbPersistenceAdapter(DbEnv environment) {
40          this.environment = environment;
41      }
42  
43      public Map getInitialDestinations() {
44          return null;  /*** TODO */
45      }
46  
47      public MessageStore createQueueMessageStore(String destinationName) throws JMSException {
48          return null; /*** TODO */
49      }
50  
51      public TopicMessageStore createTopicMessageStore(String destinationName) {
52          return null; /*** TODO */
53      }
54  
55      public PreparedTransactionStore createPreparedTransactionStore() throws JMSException {
56          return null;  /*** TODO */
57      }
58  
59      public void beginTransaction() throws JMSException {
60          try {
61              BDbHelper.createTransaction(environment);
62          }
63          catch (DbException e) {
64              throw JMSExceptionHelper.newJMSException("Failed to commit transaction. Reason: " + e, e);
65          }
66      }
67  
68      public void commitTransaction() throws JMSException {
69          BDbHelper.commitTransaction(BDbHelper.getTransaction());
70      }
71  
72      public void rollbackTransaction() {
73          BDbHelper.rollbackTransaction(BDbHelper.getTransaction());
74      }
75  
76      public void start() throws JMSException {
77      }
78  
79      public void stop() throws JMSException {
80          try {
81              environment.close(0);
82          }
83          catch (DbException e) {
84              throw JMSExceptionHelper.newJMSException("Failed to close environment. Reason: " + e, e);
85          }
86      }
87  
88      // Implementation methods
89      //-------------------------------------------------------------------------
90      protected Db createDatabase(String name) throws JMSException, FileNotFoundException, DbException {
91          return BDbHelper.open(environment, name, false);
92      }
93  
94  }