001 /**
002 * JDBM LICENSE v1.00
003 *
004 * Redistribution and use of this software and associated documentation
005 * ("Software"), with or without modification, are permitted provided
006 * that the following conditions are met:
007 *
008 * 1. Redistributions of source code must retain copyright
009 * statements and notices. Redistributions must also contain a
010 * copy of this document.
011 *
012 * 2. Redistributions in binary form must reproduce the
013 * above copyright notice, this list of conditions and the
014 * following disclaimer in the documentation and/or other
015 * materials provided with the distribution.
016 *
017 * 3. The name "JDBM" must not be used to endorse or promote
018 * products derived from this Software without prior written
019 * permission of Cees de Groot. For written permission,
020 * please contact cg@cdegroot.com.
021 *
022 * 4. Products derived from this Software may not be called "JDBM"
023 * nor may "JDBM" appear in their names without prior written
024 * permission of Cees de Groot.
025 *
026 * 5. Due credit should be given to the JDBM Project
027 * (http://jdbm.sourceforge.net/).
028 *
029 * THIS SOFTWARE IS PROVIDED BY THE JDBM PROJECT AND CONTRIBUTORS
030 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
031 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
032 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
033 * CEES DE GROOT OR ANY CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
034 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
035 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
036 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
037 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
038 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
039 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
040 * OF THE POSSIBILITY OF SUCH DAMAGE.
041 *
042 * Copyright 2000 (C) Cees de Groot. All Rights Reserved.
043 * Copyright 2000-2001 (C) Alex Boisvert. All Rights Reserved.
044 * Contributions are Copyright (C) 2000 by their associated contributors.
045 *
046 * $Id: RecordManagerOptions.java,v 1.1 2002/05/31 06:33:20 boisvert Exp $
047 */
048
049 package jdbm;
050
051 /**
052 * Standard options for RecordManager.
053 *
054 * @author <a href="mailto:boisvert@intalio.com">Alex Boisvert</a>
055 * @author <a href="cg@cdegroot.com">Cees de Groot</a>
056 * @version $Id: RecordManagerOptions.java,v 1.1 2002/05/31 06:33:20 boisvert Exp $
057 */
058 public class RecordManagerOptions
059 {
060
061 /**
062 * Option to create a thread-safe record manager.
063 */
064 public static final String PROVIDER_FACTORY = "jdbm.provider";
065
066
067 /**
068 * Option to create a thread-safe record manager.
069 */
070 public static final String THREAD_SAFE = "jdbm.threadSafe";
071
072
073 /**
074 * Option to automatically commit data after each operation.
075 */
076 public static final String AUTO_COMMIT = "jdbm.autoCommit";
077
078
079 /**
080 * Option to disable transaction (to increase performance at the cost of
081 * potential data loss).
082 */
083 public static final String DISABLE_TRANSACTIONS = "jdbm.disableTransactions";
084
085
086 /**
087 * Cache type.
088 */
089 public static final String CACHE_TYPE = "jdbm.cache.type";
090
091
092 /**
093 * Cache size (when applicable)
094 */
095 public static final String CACHE_SIZE = "jdbm.cache.size";
096
097
098 /**
099 * 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 }