415 lines
13 KiB
C#
415 lines
13 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using log4net;
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using NHibernate;
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using NHibernate.Criterion;
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using OpenMetaverse;
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using OpenSim.Framework;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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namespace OpenSim.Data.NHibernate
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{
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/// <summary>
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/// A RegionData Interface to the NHibernate database
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/// </summary>
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public class NHibernateRegionData : IRegionDataStore
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private NHibernateManager manager;
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public NHibernateManager Manager
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{
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get
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{
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return manager;
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}
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}
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public void Initialise(string connect)
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{
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m_log.InfoFormat("[NHIBERNATE] Initializing NHibernateRegionData");
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manager = new NHibernateManager(connect, "RegionStore");
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}
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/***********************************************************************
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*
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* Public Interface Functions
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*
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**********************************************************************/
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public void Dispose() {}
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public void StoreRegionSettings(RegionSettings rs)
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{
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RegionSettings oldRegionSettings = (RegionSettings)manager.Get(typeof(RegionSettings), rs.RegionUUID);
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if (oldRegionSettings != null)
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{
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manager.Update(rs);
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}
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else
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{
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manager.Insert(rs);
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}
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}
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public RegionSettings LoadRegionSettings(UUID regionUUID)
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{
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RegionSettings regionSettings = (RegionSettings) manager.Get(typeof(RegionSettings), regionUUID);
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if (regionSettings == null)
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{
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regionSettings = new RegionSettings();
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regionSettings.RegionUUID = regionUUID;
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manager.Insert(regionSettings);
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}
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regionSettings.OnSave += StoreRegionSettings;
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return regionSettings;
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}
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// This looks inefficient, but it turns out that it isn't
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// based on trial runs with nhibernate 1.2
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private void SaveOrUpdate(SceneObjectPart p)
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{
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try
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{
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SceneObjectPart old = (SceneObjectPart)manager.Get(typeof(SceneObjectPart), p.UUID);
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if (old != null)
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{
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m_log.InfoFormat("[NHIBERNATE] updating object {0}", p.UUID);
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manager.Update(p);
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}
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else
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{
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m_log.InfoFormat("[NHIBERNATE] saving object {0}", p.UUID);
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manager.Insert(p);
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}
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}
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catch (Exception e)
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{
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m_log.Error("[NHIBERNATE] issue saving part", e);
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}
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}
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private void SaveOrUpdate(Terrain t)
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{
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try
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{
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Terrain old = (Terrain)manager.Get(typeof(Terrain), t.RegionID);
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if (old != null)
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{
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m_log.InfoFormat("[NHIBERNATE] updating terrain {0}", t.RegionID);
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manager.Update(t);
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}
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else
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{
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m_log.InfoFormat("[NHIBERNATE] saving terrain {0}", t.RegionID);
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manager.Insert(t);
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}
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}
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catch (Exception e)
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{
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m_log.Error("[NHIBERNATE] issue saving terrain", e);
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}
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}
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/// <summary>
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/// Adds an object into region storage
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/// </summary>
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/// <param name="obj">the object</param>
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/// <param name="regionUUID">the region UUID</param>
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public void StoreObject(SceneObjectGroup obj, UUID regionUUID)
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{
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uint flags = obj.RootPart.GetEffectiveObjectFlags();
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// Eligibility check
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if ((flags & (uint)PrimFlags.Temporary) != 0)
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return;
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if ((flags & (uint)PrimFlags.TemporaryOnRez) != 0)
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return;
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try
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{
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foreach (SceneObjectPart part in obj.Children.Values)
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{
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m_log.InfoFormat("Storing part {0}", part.UUID);
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SaveOrUpdate(part);
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}
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}
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catch (Exception e)
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{
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m_log.Error("Can't save: ", e);
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}
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}
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private SceneObjectGroup LoadObject(UUID uuid, UUID region)
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{
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SceneObjectGroup group = new SceneObjectGroup();
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ICriteria criteria = manager.GetSession().CreateCriteria(typeof(SceneObjectPart));
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criteria.Add(Expression.Eq("RegionID", region));
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criteria.Add(Expression.Eq("ParentUUID", uuid));
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criteria.AddOrder(Order.Asc("ParentID"));
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foreach (SceneObjectPart p in criteria.List())
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{
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// root part
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if (p.UUID == uuid)
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{
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group.SetRootPart(p);
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}
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else
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{
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group.AddPart(p);
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}
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}
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return group;
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}
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/// <summary>
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/// Removes an object from region storage
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/// </summary>
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/// <param name="obj">the object</param>
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/// <param name="regionUUID">the region UUID</param>
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public void RemoveObject(UUID obj, UUID regionUUID)
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{
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SceneObjectGroup g = LoadObject(obj, regionUUID);
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foreach (SceneObjectPart p in g.Children.Values)
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{
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manager.Delete(p);
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}
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m_log.InfoFormat("[REGION DB]: Removing obj: {0} from region: {1}", obj.Guid, regionUUID);
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}
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/// <summary>
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/// Load persisted objects from region storage.
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/// </summary>
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/// <param name="regionUUID">The region UUID</param>
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/// <returns>List of loaded groups</returns>
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public List<SceneObjectGroup> LoadObjects(UUID regionUUID)
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{
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Dictionary<UUID, SceneObjectGroup> SOG = new Dictionary<UUID, SceneObjectGroup>();
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List<SceneObjectGroup> ret = new List<SceneObjectGroup>();
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ICriteria criteria = manager.GetSession().CreateCriteria(typeof(SceneObjectPart));
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criteria.Add(Expression.Eq("RegionID", regionUUID));
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criteria.AddOrder(Order.Asc("ParentID"));
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criteria.AddOrder(Order.Asc("LinkNum"));
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foreach (SceneObjectPart p in criteria.List())
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{
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// root part
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if (p.UUID == p.ParentUUID)
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{
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SceneObjectGroup group = new SceneObjectGroup();
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group.SetRootPart(p);
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SOG.Add(p.ParentUUID, group);
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}
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else
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{
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SOG[p.ParentUUID].AddPart(p);
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}
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// get the inventory
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ICriteria InvCriteria = manager.GetSession().CreateCriteria(typeof(TaskInventoryItem));
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InvCriteria.Add(Expression.Eq("ParentPartID", p.UUID));
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IList<TaskInventoryItem> inventory = new List<TaskInventoryItem>();
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foreach (TaskInventoryItem i in InvCriteria.List())
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{
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inventory.Add(i);
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}
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if (inventory.Count > 0)
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p.Inventory.RestoreInventoryItems(inventory);
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}
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foreach (SceneObjectGroup g in SOG.Values)
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{
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ret.Add(g);
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}
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return ret;
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}
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/// <summary>
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/// Store a terrain revision in region storage
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/// </summary>
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/// <param name="ter">terrain heightfield</param>
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/// <param name="regionID">region UUID</param>
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public void StoreTerrain(double[,] ter, UUID regionID)
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{
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lock (this) {
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Terrain t = new Terrain(regionID, ter);
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SaveOrUpdate(t);
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}
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}
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/// <summary>
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/// Load the latest terrain revision from region storage
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/// </summary>
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/// <param name="regionID">the region UUID</param>
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/// <returns>Heightfield data</returns>
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public double[,] LoadTerrain(UUID regionID)
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{
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Terrain t = (Terrain)manager.Get(typeof(Terrain), regionID);
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if (t != null)
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{
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return t.Doubles;
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}
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m_log.Info("No terrain yet");
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return null;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="globalID"></param>
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public void RemoveLandObject(UUID globalID)
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{
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="parcel"></param>
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public void StoreLandObject(ILandObject parcel)
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{
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="regionUUID"></param>
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/// <returns></returns>
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public List<LandData> LoadLandObjects(UUID regionUUID)
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{
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List<LandData> landDataForRegion = new List<LandData>();
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return landDataForRegion;
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}
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/// <summary>
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/// See <see cref="Commit"/>
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/// </summary>
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public void Shutdown()
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{
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//session.Flush();
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}
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/// <summary>
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/// Load a region banlist
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/// </summary>
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/// <param name="regionUUID">the region UUID</param>
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/// <returns>The banlist</returns>
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public List<EstateBan> LoadRegionBanList(UUID regionUUID)
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{
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List<EstateBan> regionbanlist = new List<EstateBan>();
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return regionbanlist;
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}
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/// <summary>
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/// Add en entry into region banlist
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/// </summary>
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/// <param name="item"></param>
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public void AddToRegionBanlist(EstateBan item)
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{
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}
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/// <summary>
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/// remove an entry from the region banlist
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/// </summary>
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/// <param name="item"></param>
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public void RemoveFromRegionBanlist(EstateBan item)
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{
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="val"></param>
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/// <returns></returns>
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// private static Array serializeTerrain(double[,] val)
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// {
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// MemoryStream str = new MemoryStream(65536*sizeof (double));
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// BinaryWriter bw = new BinaryWriter(str);
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//
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// // TODO: COMPATIBILITY - Add byte-order conversions
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// for (int x = 0; x < (int)Constants.RegionSize; x++)
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// for (int y = 0; y < (int)Constants.RegionSize; y++)
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// bw.Write(val[x, y]);
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//
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// return str.ToArray();
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// }
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/// <summary>
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/// see IRegionDatastore
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/// </summary>
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/// <param name="primID"></param>
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/// <param name="items"></param>
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public void StorePrimInventory(UUID primID, ICollection<TaskInventoryItem> items)
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{
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ICriteria criteria = manager.GetSession().CreateCriteria(typeof(TaskInventoryItem));
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criteria.Add(Expression.Eq("ParentPartID", primID));
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try
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{
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foreach (TaskInventoryItem i in criteria.List())
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{
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manager.Delete(i);
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}
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foreach (TaskInventoryItem i in items)
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{
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manager.Insert(i);
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}
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}
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catch (Exception e)
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{
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m_log.Error("[NHIBERNATE] StoreInvetory", e);
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}
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}
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}
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}
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