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/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSimulator Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using OpenMetaverse;
using OpenSim.Framework;
#if CSharpSqlite
    using Community.CsharpSqlite.Sqlite;
#else
    using Mono.Data.Sqlite;
#endif

namespace OpenSim.Data.SQLite
{
    /// <summary>
    /// A database interface class to a user profile storage system
    /// </summary>
    public class SQLiteFramework
    {
        protected Object m_lockObject = new Object();

        protected SQLiteFramework(string connectionString)
        {
            if (Util.IsWindows())
                Util.LoadArchSpecificWindowsDll("sqlite3.dll");
        }

        //////////////////////////////////////////////////////////////
        //
        // All non queries are funneled through one connection
        // to increase performance a little
        //
        protected int ExecuteNonQuery(SqliteCommand cmd, SqliteConnection connection)
        {
            lock (connection)
            {
/*
                SqliteConnection newConnection =
                        (SqliteConnection)((ICloneable)connection).Clone();
                newConnection.Open();

                cmd.Connection = newConnection;
*/
                cmd.Connection = connection;
                //Console.WriteLine("XXX " + cmd.CommandText);

                return cmd.ExecuteNonQuery();
            }
        }

        protected IDataReader ExecuteReader(SqliteCommand cmd, SqliteConnection connection)
        {
            lock (connection)
            {
                //SqliteConnection newConnection =
                //        (SqliteConnection)((ICloneable)connection).Clone();
                //newConnection.Open();

                //cmd.Connection = newConnection;
                cmd.Connection = connection;
                //Console.WriteLine("XXX " + cmd.CommandText);

                return cmd.ExecuteReader();
            }
        }
    }
}

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