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1   /**
2    * JDBM LICENSE v1.00
3    *
4    * Redistribution and use of this software and associated documentation
5    * ("Software"), with or without modification, are permitted provided
6    * that the following conditions are met:
7    *
8    * 1. Redistributions of source code must retain copyright
9    *    statements and notices.  Redistributions must also contain a
10   *    copy of this document.
11   *
12   * 2. Redistributions in binary form must reproduce the
13   *    above copyright notice, this list of conditions and the
14   *    following disclaimer in the documentation and/or other
15   *    materials provided with the distribution.
16   *
17   * 3. The name "JDBM" must not be used to endorse or promote
18   *    products derived from this Software without prior written
19   *    permission of Cees de Groot.  For written permission,
20   *    please contact cg@cdegroot.com.
21   *
22   * 4. Products derived from this Software may not be called "JDBM"
23   *    nor may "JDBM" appear in their names without prior written
24   *    permission of Cees de Groot.
25   *
26   * 5. Due credit should be given to the JDBM Project
27   *    (http://jdbm.sourceforge.net/).
28   *
29   * THIS SOFTWARE IS PROVIDED BY THE JDBM PROJECT AND CONTRIBUTORS
30   * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
31   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
32   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
33   * CEES DE GROOT OR ANY CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
34   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
35   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
36   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
38   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
39   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
40   * OF THE POSSIBILITY OF SUCH DAMAGE.
41   *
42   * Copyright 2000 (C) Cees de Groot. All Rights Reserved.
43   * Copyright 2000-2001 (C) Alex Boisvert. All Rights Reserved.
44   * Contributions are Copyright (C) 2000 by their associated contributors.
45   *
46   * $Id: RecordManagerOptions.java,v 1.1 2002/05/31 06:33:20 boisvert Exp $
47   */
48  
49  package jdbm;
50  
51  /**
52   * Standard options for RecordManager.
53   *
54   * @author <a href="mailto:boisvert@intalio.com">Alex Boisvert</a>
55   * @author <a href="cg@cdegroot.com">Cees de Groot</a>
56   * @version $Id: RecordManagerOptions.java,v 1.1 2002/05/31 06:33:20 boisvert Exp $
57   */
58  public class RecordManagerOptions
59  {
60  
61      /**
62       * Option to create a thread-safe record manager.
63       */
64      public static final String PROVIDER_FACTORY = "jdbm.provider";
65  
66  
67      /**
68       * Option to create a thread-safe record manager.
69       */
70      public static final String THREAD_SAFE = "jdbm.threadSafe";
71  
72  
73      /**
74       * Option to automatically commit data after each operation.
75       */
76      public static final String AUTO_COMMIT = "jdbm.autoCommit";
77  
78  
79      /**
80       * Option to disable transaction (to increase performance at the cost of
81       * potential data loss).
82       */
83      public static final String DISABLE_TRANSACTIONS = "jdbm.disableTransactions";
84  
85  
86      /**
87       * Cache type.
88       */
89      public static final String CACHE_TYPE = "jdbm.cache.type";
90  
91  
92      /**
93       * Cache size (when applicable)
94       */
95      public static final String CACHE_SIZE = "jdbm.cache.size";
96  
97  
98      /**
99       * Use normal (strong) object references for the record cache.
100      */
101     public static final String NORMAL_CACHE = "normal";
102 
103 
104     /**
105      * Use soft references {$link java.lang.ref.SoftReference} for the record
106      * cache instead of the default normal object references.
107      * <p>
108      * Soft references are cleared at the discretion of the garbage collector
109      * in response to memory demand.
110      */
111     public static final String SOFT_REF_CACHE = "soft";
112 
113 
114     /**
115      * Use weak references {$link java.lang.ref.WeakReference} for the record
116      * cache instead of the default normal object references.
117      * <p>
118      * Weak references do not prevent their referents from being made
119      * finalizable, finalized, and then reclaimed.
120      */
121     public static final String WEAK_REF_CACHE = "weak";
122 
123 }