427e3734ef
git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@856 0109f412-320b-0410-ab79-c3e0c5ffbbe6
116 lines
2.8 KiB
C#
116 lines
2.8 KiB
C#
//------------------------------------------------------------------------------
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// Desc: Db Class
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//
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// Tabs: 3
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//
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// Copyright (c) 2006 Novell, Inc. All Rights Reserved.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of version 2 of the GNU General Public
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// License as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, contact Novell, Inc.
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//
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// To contact Novell about this file by physical or electronic mail,
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// you may find current contact information at www.novell.com
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//
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// $Id$
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//------------------------------------------------------------------------------
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using System;
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using System.Runtime.InteropServices;
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namespace xflaim
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{
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/// <remarks>
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/// The Db class provides a number of methods that allow C#
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/// applications to access an XFLAIM database. A Db object
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/// is obtained by calling <see cref="DbSystem.dbCreate"/> or
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/// <see cref="DbSystem.dbOpen"/>
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/// </remarks>
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public class Db
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{
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/// <summary>
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/// Db constructor.
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/// </summary>
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/// <param name="cs_dbRef">
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/// Reference to an IF_Db object.
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/// </param>
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/// <param name="dbSystem">
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/// DbSystem object that this Db object is associated with.
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/// </param>
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public Db(
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ulong cs_dbRef,
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DbSystem dbSystem)
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{
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if (cs_dbRef == 0)
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{
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throw new XFlaimException( "Invalid IF_Db reference");
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}
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m_this = cs_dbRef;
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if (dbSystem == null)
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{
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throw new XFlaimException( "Invalid DbSystem reference");
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}
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m_dbSystem = dbSystem;
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// Must call something inside of DbSystem. Otherwise, the
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// m_dbSystem object gets a compiler warning on linux because
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// it is not used anywhere. Other than that, there is really
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// no need to make the following call.
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if (m_dbSystem.getRef() == 0)
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{
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throw new XFlaimException( "Invalid DbSystem.getRef()");
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}
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}
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/// <summary>
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/// Destructor.
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/// </summary>
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~Db()
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{
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close();
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}
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/// <summary>
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/// Close this database.
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/// </summary>
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public void close()
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{
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// Release the native pDb!
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if (m_this != 0)
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{
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xflaim_Db_Release( m_this);
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m_this = 0;
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}
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// Remove our reference to the dbSystem so it can be released.
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m_dbSystem = null;
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}
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// PRIVATE METHODS THAT ARE IMPLEMENTED IN C AND C++
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[DllImport("xflaim")]
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private static extern int xflaim_Db_Release(
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ulong ui64This);
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/// <summary>
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/// Reference to C++ IF_Db object.
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/// </summary>
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public ulong m_this;
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private DbSystem m_dbSystem;
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}
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}
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