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Java > Open Source Codes > com > caucho > server > cluster > DistributionManager


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.server.cluster;
30
31 import com.caucho.log.Log;
32 import com.caucho.util.L10N;
33 import com.caucho.util.LruCache;
34
35 import java.util.ArrayList JavaDoc;
36 import java.util.logging.Logger JavaDoc;
37
38 /**
39  * Manages sessions in a web-app.
40  */
41 public class DistributionManager {
42   static protected L10N L = new L10N(DistributionManager.class);
43   static protected final Logger JavaDoc log = Log.open(DistributionManager.class);
44
45   // factory for creating objects
46 // private ObjectFactory objectFactory;
47
48   // cached objects
49 private LruCache _objects;
50   
51   private Store _store;
52   private boolean _reloadEachRequest;
53   private boolean _alwaysSave;
54   private boolean _saveOnShutdown;
55
56   // List of activation listeners
57 private ArrayList JavaDoc _activationListeners;
58
59   // If true, serialization errors should not be logged
60 private boolean _ignoreSerializationErrors = false;
61
62   // private Srun []_sessionGroup;
63
64   private boolean _isClosed;
65
66   /**
67    * Creates and initializes a new distribution manager
68    */
69   public DistributionManager(Store store)
70     throws Exception JavaDoc
71   {
72   }
73
74   /**
75    * Returns the debug log
76    */
77   public Logger JavaDoc getDebug()
78   {
79     return log;
80   }
81
82   /**
83    * Returns the underlying session store of the session manager.
84    */
85   Store getStore()
86   {
87     return _store;
88   }
89
90   /**
91    * True if the objects should always be saved.
92    */
93   boolean getAlwaysSave()
94   {
95     return _alwaysSave;
96   }
97
98   /**
99    * True if sessions should only be saved on shutdown.
100    */
101   boolean getSaveOnShutdown()
102   {
103     return _saveOnShutdown;
104   }
105
106   /**
107    * True if serialization errors should just fail silently.
108    */
109   boolean getIgnoreSerializationErrors()
110   {
111     return _ignoreSerializationErrors;
112   }
113
114   /**
115    * Returns true if the sessions are closed.
116    */
117   public boolean isClosed()
118   {
119     return _isClosed;
120   }
121 }
122
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