/* * 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.Reflection; using log4net; using OpenMetaverse; using OpenSim.Framework; using OpenSim.Region.Framework.Interfaces; using NHibernate; using NHibernate.Criterion; using System.Collections; using System; namespace OpenSim.Data.NHibernate { /// <summary> /// A User storage interface for the DB4o database system /// </summary> public class NHibernateEstateData : IEstateDataStore { #region Fields private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); private NHibernateManager manager; public NHibernateManager Manager { get { return manager; } } public string Name { get { return "NHibernateEstateData"; } } public string Version { get { return "0.1"; } } #endregion #region Startup and shutdown. public void Initialise() { m_log.Info("[NHIBERNATE]: " + Name + " cannot be default-initialized!"); throw new PluginNotInitialisedException(Name); } public void Initialise(string connect) { m_log.InfoFormat("[NHIBERNATE] Initializing " + Name + "."); manager = new NHibernateManager(connect, "EstateStore"); } public void Dispose() { } #endregion #region IEstateDataStore Members public EstateSettings LoadEstateSettings(UUID regionID) { EstateRegionLink link = LoadEstateRegionLink(regionID); // Ensure that estate settings exist for the link if (link != null) { if (manager.GetWithStatefullSession(typeof(EstateSettings), link.EstateID) == null) { // Delete broken link manager.Delete(link); link = null; } } // If estate link does not exist create estate settings and link it to region. if (link == null) { EstateSettings estateSettings = new EstateSettings(); //estateSettings.EstateOwner = UUID.Random(); //estateSettings.BlockDwell = false; object identifier = manager.Insert(estateSettings); if (identifier == null) { // Saving failed. Error is logged in the manager. return null; } uint estateID = (uint)identifier; link = new EstateRegionLink(); link.EstateRegionLinkID = UUID.Random(); link.RegionID = regionID; link.EstateID = estateID; manager.InsertWithStatefullSession(link); } // Load estate settings according to the existing or created link. return (EstateSettings)manager.GetWithStatefullSession(typeof(EstateSettings), link.EstateID); } public void StoreEstateSettings(EstateSettings estateSettings) { // Estates are always updated when stored. // Insert is always done via. load method as with the current API // this is explicitly the only way to create region link. manager.UpdateWithStatefullSession(estateSettings); } #endregion #region Private Utility Methods private EstateRegionLink LoadEstateRegionLink(UUID regionID) { ICriteria criteria = manager.GetSession().CreateCriteria(typeof(EstateRegionLink)); criteria.Add(Expression.Eq("RegionID", regionID)); IList links = criteria.List(); // Fail fast if more than one estate links exist if (links.Count > 1) { m_log.Error("[NHIBERNATE]: Region had more than one estate linked: " + regionID); throw new Exception("[NHIBERNATE]: Region had more than one estate linked: " + regionID); } if (links.Count == 1) { return (EstateRegionLink)links[0]; } else { return null; } } #endregion } }