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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 OpenSimulator 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;
30using System.Collections.Generic;
31using System.Data;
32using OpenMetaverse;
33using OpenSim.Framework;
34using Mono.Data.SqliteClient;
35
36namespace OpenSim.Data.SQLite
37{
38 /// <summary>
39 /// A database interface class to a user profile storage system
40 /// </summary>
41 public class SQLiteFramework
42 {
43 protected Object m_lockObject = new Object();
44
45 protected SQLiteFramework(string connectionString)
46 {
47 }
48
49 //////////////////////////////////////////////////////////////
50 //
51 // All non queries are funneled through one connection
52 // to increase performance a little
53 //
54 protected int ExecuteNonQuery(SqliteCommand cmd, SqliteConnection connection)
55 {
56 lock (connection)
57 {
58 SqliteConnection newConnection =
59 (SqliteConnection)((ICloneable)connection).Clone();
60 newConnection.Open();
61
62 cmd.Connection = newConnection;
63 //Console.WriteLine("XXX " + cmd.CommandText);
64
65 return cmd.ExecuteNonQuery();
66 }
67 }
68
69 protected IDataReader ExecuteReader(SqliteCommand cmd, SqliteConnection connection)
70 {
71 lock (connection)
72 {
73 SqliteConnection newConnection =
74 (SqliteConnection)((ICloneable)connection).Clone();
75 newConnection.Open();
76
77 cmd.Connection = newConnection;
78 //Console.WriteLine("XXX " + cmd.CommandText);
79
80 return cmd.ExecuteReader();
81 }
82 }
83
84 protected void CloseCommand(SqliteCommand cmd)
85 {
86 cmd.Connection.Close();
87 cmd.Connection.Dispose();
88 cmd.Dispose();
89 }
90 }
91}