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diff --git a/OpenSim/Data/DB4o/DB4oManager.cs b/OpenSim/Data/DB4o/DB4oManager.cs
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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSim Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using System.Collections.Generic;
30using Db4objects.Db4o;
31using libsecondlife;
32using OpenSim.Framework;
33
34namespace OpenSim.Data.DB4o
35{
36 /// <summary>
37 /// A Database manager for Db4o
38 /// </summary>
39 internal class DB4oGridManager
40 {
41 /// <summary>
42 /// A list of the current regions connected (in-memory cache)
43 /// </summary>
44 public Dictionary<LLUUID, RegionProfileData> simProfiles = new Dictionary<LLUUID, RegionProfileData>();
45
46 /// <summary>
47 /// Database File Name
48 /// </summary>
49 private string dbfl;
50
51 /// <summary>
52 /// Creates a new grid storage manager
53 /// </summary>
54 /// <param name="db4odb">Filename to the database file</param>
55 public DB4oGridManager(string db4odb)
56 {
57 dbfl = db4odb;
58 IObjectContainer database;
59 database = Db4oFactory.OpenFile(dbfl);
60 IObjectSet result = database.Get(typeof (RegionProfileData));
61 // Loads the file into the in-memory cache
62 foreach (RegionProfileData row in result)
63 {
64 simProfiles.Add(row.UUID, row);
65 }
66 database.Close();
67 }
68
69 /// <summary>
70 /// Adds a new profile to the database (Warning: Probably slow.)
71 /// </summary>
72 /// <param name="row">The profile to add</param>
73 /// <returns>Successful?</returns>
74 public bool AddRow(RegionProfileData row)
75 {
76 if (simProfiles.ContainsKey(row.UUID))
77 {
78 simProfiles[row.UUID] = row;
79 }
80 else
81 {
82 simProfiles.Add(row.UUID, row);
83 }
84
85 try
86 {
87 IObjectContainer database;
88 database = Db4oFactory.OpenFile(dbfl);
89 database.Set(row);
90 database.Close();
91 return true;
92 }
93 catch (Exception)
94 {
95 return false;
96 }
97 }
98 }
99
100 /// <summary>
101 /// A manager for the DB4o database (user profiles)
102 /// </summary>
103 internal class DB4oUserManager
104 {
105 /// <summary>
106 /// A list of the user profiles (in memory cache)
107 /// </summary>
108 public Dictionary<LLUUID, UserProfileData> userProfiles = new Dictionary<LLUUID, UserProfileData>();
109
110 /// <summary>
111 /// Database filename
112 /// </summary>
113 private string dbfl;
114
115 /// <summary>
116 /// Initialises a new DB manager
117 /// </summary>
118 /// <param name="db4odb">The filename to the database</param>
119 public DB4oUserManager(string db4odb)
120 {
121 dbfl = db4odb;
122 IObjectContainer database;
123 database = Db4oFactory.OpenFile(dbfl);
124 // Load to cache
125 IObjectSet result = database.Get(typeof (UserProfileData));
126 foreach (UserProfileData row in result)
127 {
128 if (userProfiles.ContainsKey(row.ID))
129 userProfiles[row.ID] = row;
130 else
131 userProfiles.Add(row.ID, row);
132 }
133 database.Close();
134 }
135
136 /// <summary>
137 /// Adds or updates a record to the user database. Do this when changes are needed
138 /// in the user profile that need to be persistant.
139 ///
140 /// TODO: the logic here is not ACID, the local cache will be
141 /// updated even if the persistant data is not. This may lead
142 /// to unexpected results.
143 /// </summary>
144 /// <param name="record">The profile to update</param>
145 /// <returns>true on success, false on fail to persist to db</returns>
146 public bool UpdateRecord(UserProfileData record)
147 {
148 if (userProfiles.ContainsKey(record.ID))
149 {
150 userProfiles[record.ID] = record;
151 }
152 else
153 {
154 userProfiles.Add(record.ID, record);
155 }
156
157 try
158 {
159 IObjectContainer database;
160 database = Db4oFactory.OpenFile(dbfl);
161 database.Set(record);
162 database.Close();
163 return true;
164 }
165 catch (Exception)
166 {
167 return false;
168 }
169 }
170 }
171}
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