ObjectBridgeDatabaseService xref

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1   /*
2    * Copyright 2000-2001,2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.apache.jetspeed.services.db;
18  
19  
20  import javax.servlet.ServletConfig;
21  
22  // OJB
23  import ojb.broker.PersistenceBroker;
24  import ojb.broker.PersistenceBrokerFactory;
25  
26  // turbine.services
27  import org.apache.turbine.services.TurbineBaseService;
28  import org.apache.turbine.services.InitializationException;
29  
30  // Jetspeed
31  import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
32  import org.apache.jetspeed.services.logging.JetspeedLogger;
33  
34  /***
35   * <p>This is an implementation of the <code>JetspeedDatabase</code> interface.
36   *
37   *
38   * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
39   * @version $Id: ObjectBridgeDatabaseService.java,v 1.4 2004/02/23 03:28:10 jford Exp $
40   */
41  
42  public class ObjectBridgeDatabaseService  extends TurbineBaseService
43      implements JetspeedDatabaseService
44  {
45      /***
46       * Static initialization of the logger for this class
47       */    
48      private static final JetspeedLogger logger = JetspeedLogFactoryService.getLogger(ObjectBridgeDatabaseService.class.getName());
49      
50      PersistenceBroker pm = null;
51  
52      /***
53       * This is the early initialization method called by the 
54       * Turbine <code>Service</code> framework
55       * @param conf The <code>ServletConfig</code>
56       * @exception throws a <code>InitializationException</code> if the service
57       * fails to initialize
58       */
59      public synchronized void init(ServletConfig conf) throws InitializationException {
60  
61          // already initialized
62          if (getInit()) return;
63  
64          try
65          {
66              System.setProperty("OJB.properties", "org/apache/jetspeed/services/db/conf/OJB.properties");
67              pm = PersistenceBrokerFactory.createPersistenceBroker("org/apache/jetspeed/services/db/conf/repository.xml");
68          }
69          catch (Exception e)
70          {
71              logger.error("Failed to load ObjectBridge Manager: " + e.toString(), e);        
72              throw new InitializationException(e.toString());
73          }
74          // initialization done
75          setInit(true);
76  
77       }
78  
79  
80      public Object getPersistenceManager()
81      {
82          return pm;
83      }
84  
85      /***
86       * This is the lateinitialization method called by the 
87       * Turbine <code>Service</code> framework
88       *
89       * @exception throws a <code>InitializationException</code> if the service
90       * fails to initialize
91       */
92      public void init() throws InitializationException {
93          logger.info( "Late init for ObjectBridgeDatabaseService called" );        
94      }
95  
96      /***
97       * This is the shutdown method called by the 
98       * Turbine <code>Service</code> framework
99       */
100     public void shutdown() 
101     {
102     }
103 
104 }