451 lines
16 KiB
C#
451 lines
16 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 OpenSim 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.IO;
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using System.Reflection;
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using System.Text.RegularExpressions;
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using libsecondlife;
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using log4net;
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using NHibernate;
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using NHibernate.Cfg;
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using NHibernate.Expression;
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using NHibernate.Mapping.Attributes;
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using NHibernate.Tool.hbm2ddl;
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using OpenSim.Framework;
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using Environment=NHibernate.Cfg.Environment;
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namespace OpenSim.Data.NHibernate
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{
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public class NHibernateInventoryData: IInventoryData
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private Configuration cfg;
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private ISessionFactory factory;
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/// <summary>
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/// Initialises the interface
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/// </summary>
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public void Initialise(string connect)
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{
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// Split out the dialect, driver, and connect string
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char[] split = {';'};
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string[] parts = connect.Split(split, 3);
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if (parts.Length != 3)
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{
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// TODO: make this a real exception type
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throw new Exception("Malformed Inventory connection string '" + connect + "'");
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}
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// Establish NHibernate Connection
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cfg = new Configuration();
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cfg.SetProperty(Environment.ConnectionProvider,
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"NHibernate.Connection.DriverConnectionProvider");
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cfg.SetProperty(Environment.Dialect,
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"NHibernate.Dialect." + parts[0]);
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cfg.SetProperty(Environment.ConnectionDriver,
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"NHibernate.Driver." + parts[1]);
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cfg.SetProperty(Environment.ConnectionString, parts[2]);
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cfg.AddAssembly("OpenSim.Data.NHibernate");
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HbmSerializer.Default.Validate = true;
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using ( MemoryStream stream =
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HbmSerializer.Default.Serialize(Assembly.GetExecutingAssembly()))
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cfg.AddInputStream(stream);
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// If uncommented this will auto create tables, but it
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// does drops of the old tables, so we need a smarter way
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// to acturally manage this.
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// new SchemaExport(cfg).Create(true, true);
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factory = cfg.BuildSessionFactory();
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InitDB();
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}
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private void InitDB()
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{
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string regex = @"no such table: Inventory";
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Regex RE = new Regex(regex, RegexOptions.Multiline);
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try
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{
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using (ISession session = factory.OpenSession())
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{
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session.Load(typeof(InventoryItemBase), LLUUID.Zero);
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}
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}
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catch (ObjectNotFoundException)
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{
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// yes, we know it's not there, but that's ok
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}
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catch (ADOException e)
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{
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Match m = RE.Match(e.ToString());
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if (m.Success)
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{
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// We don't have this table, so create it.
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new SchemaExport(cfg).Create(true, true);
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}
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}
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}
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/*****************************************************************
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*
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* Basic CRUD operations on Data
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*
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****************************************************************/
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// READ
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/// <summary>
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/// Returns an inventory item by its UUID
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/// </summary>
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/// <param name="item">The UUID of the item to be returned</param>
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/// <returns>A class containing item information</returns>
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public InventoryItemBase getInventoryItem(LLUUID item)
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{
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using (ISession session = factory.OpenSession())
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{
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try
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{
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return session.Load(typeof(InventoryItemBase), item) as InventoryItemBase;
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}
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catch
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{
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m_log.ErrorFormat("Couldn't find inventory item: {0}", item);
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return null;
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}
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}
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}
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/// <summary>
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/// Creates a new inventory item based on item
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/// </summary>
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/// <param name="item">The item to be created</param>
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public void addInventoryItem(InventoryItemBase item)
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{
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if (!ExistsItem(item.ID))
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{
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using (ISession session = factory.OpenSession())
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{
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using (ITransaction transaction = session.BeginTransaction())
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{
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session.Save(item);
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transaction.Commit();
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}
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}
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}
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else
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{
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m_log.ErrorFormat("Attempted to add Inventory Item {0} that already exists, updating instead", item.ID);
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updateInventoryItem(item);
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}
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}
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/// <summary>
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/// Updates an inventory item with item (updates based on ID)
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/// </summary>
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/// <param name="item">The updated item</param>
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public void updateInventoryItem(InventoryItemBase item)
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{
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if (ExistsItem(item.ID))
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{
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using (ISession session = factory.OpenSession())
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{
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using (ITransaction transaction = session.BeginTransaction())
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{
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session.Update(item);
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transaction.Commit();
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}
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}
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}
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else
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{
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m_log.ErrorFormat("Attempted to add Inventory Item {0} that already exists", item.ID);
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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="item"></param>
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public void deleteInventoryItem(LLUUID itemID)
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{
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using (ISession session = factory.OpenSession())
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{
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using (ITransaction transaction = session.BeginTransaction())
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{
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session.Delete(itemID);
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transaction.Commit();
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}
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}
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}
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/// <summary>
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/// Returns an inventory folder by its UUID
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/// </summary>
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/// <param name="folder">The UUID of the folder to be returned</param>
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/// <returns>A class containing folder information</returns>
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public InventoryFolderBase getInventoryFolder(LLUUID folder)
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{
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using (ISession session = factory.OpenSession())
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{
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try
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{
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return session.Load(typeof(InventoryFolderBase), folder) as InventoryFolderBase;
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}
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catch
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{
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m_log.ErrorFormat("Couldn't find inventory item: {0}", folder);
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return null;
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}
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}
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}
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/// <summary>
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/// Creates a new inventory folder based on folder
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/// </summary>
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/// <param name="folder">The folder to be created</param>
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public void addInventoryFolder(InventoryFolderBase folder)
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{
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if (!ExistsFolder(folder.ID))
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{
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using (ISession session = factory.OpenSession())
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{
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using (ITransaction transaction = session.BeginTransaction())
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{
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session.Save(folder);
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transaction.Commit();
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}
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}
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}
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else
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{
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m_log.ErrorFormat("Attempted to add Inventory Folder {0} that already exists, updating instead", folder.ID);
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updateInventoryFolder(folder);
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}
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}
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/// <summary>
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/// Updates an inventory folder with folder (updates based on ID)
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/// </summary>
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/// <param name="folder">The updated folder</param>
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public void updateInventoryFolder(InventoryFolderBase folder)
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{
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if (ExistsFolder(folder.ID))
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{
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using (ISession session = factory.OpenSession())
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{
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using (ITransaction transaction = session.BeginTransaction())
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{
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session.Update(folder);
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transaction.Commit();
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}
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}
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}
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else
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{
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m_log.ErrorFormat("Attempted to add Inventory Folder {0} that already exists", folder.ID);
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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="folder"></param>
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public void deleteInventoryFolder(LLUUID folderID)
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{
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using (ISession session = factory.OpenSession())
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{
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using (ITransaction transaction = session.BeginTransaction())
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{
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session.Delete(folderID.ToString());
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transaction.Commit();
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}
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}
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}
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// useful private methods
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private bool ExistsItem(LLUUID uuid)
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{
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return (getInventoryItem(uuid) != null) ? true : false;
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}
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private bool ExistsFolder(LLUUID uuid)
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{
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return (getInventoryFolder(uuid) != null) ? true : false;
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}
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public void Shutdown()
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{
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// TODO: DataSet commit
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}
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/// <summary>
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/// Closes the interface
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/// </summary>
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public void Close()
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{
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}
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/// <summary>
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/// The plugin being loaded
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/// </summary>
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/// <returns>A string containing the plugin name</returns>
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public string getName()
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{
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return "NHibernate Inventory Data Interface";
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}
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/// <summary>
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/// The plugins version
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/// </summary>
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/// <returns>A string containing the plugin version</returns>
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public string getVersion()
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{
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Module module = GetType().Module;
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string dllName = module.Assembly.ManifestModule.Name;
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Version dllVersion = module.Assembly.GetName().Version;
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return
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string.Format("{0}.{1}.{2}.{3}", dllVersion.Major, dllVersion.Minor, dllVersion.Build,
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dllVersion.Revision);
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}
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// Move seems to be just update
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public void moveInventoryFolder(InventoryFolderBase folder)
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{
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updateInventoryFolder(folder);
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}
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public void moveInventoryItem(InventoryItemBase item)
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{
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updateInventoryItem(item);
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}
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/// <summary>
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/// Returns a list of inventory items contained within the specified folder
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/// </summary>
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/// <param name="folderID">The UUID of the target folder</param>
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/// <returns>A List of InventoryItemBase items</returns>
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public List<InventoryItemBase> getInventoryInFolder(LLUUID folderID)
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{
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using (ISession session = factory.OpenSession())
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{
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// try {
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ICriteria criteria = session.CreateCriteria(typeof(InventoryItemBase));
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criteria.Add(Expression.Eq("Folder", folderID));
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List<InventoryItemBase> list = new List<InventoryItemBase>();
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foreach (InventoryItemBase item in criteria.List())
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{
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list.Add(item);
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}
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return list;
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// }
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// catch
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// {
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// return new List<InventoryItemBase>();
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// }
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}
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}
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public List<InventoryFolderBase> getUserRootFolders(LLUUID user)
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{
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return new List<InventoryFolderBase>();
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}
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// see InventoryItemBase.getUserRootFolder
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public InventoryFolderBase getUserRootFolder(LLUUID user)
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{
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using (ISession session = factory.OpenSession())
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{
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ICriteria criteria = session.CreateCriteria(typeof(InventoryFolderBase));
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criteria.Add(Expression.Eq("ParentID", LLUUID.Zero));
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criteria.Add(Expression.Eq("Owner", user));
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foreach (InventoryFolderBase folder in criteria.List())
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{
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return folder;
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}
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m_log.ErrorFormat("No Inventory Root Folder Found for: {0}", user);
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return null;
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}
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}
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/// <summary>
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/// Append a list of all the child folders of a parent folder
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/// </summary>
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/// <param name="folders">list where folders will be appended</param>
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/// <param name="parentID">ID of parent</param>
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private void getInventoryFolders(ref List<InventoryFolderBase> folders, LLUUID parentID)
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{
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using (ISession session = factory.OpenSession())
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{
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ICriteria criteria = session.CreateCriteria(typeof(InventoryFolderBase));
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criteria.Add(Expression.Eq("ParentID", parentID));
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foreach (InventoryFolderBase item in criteria.List())
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{
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folders.Add(item);
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}
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}
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}
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/// <summary>
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/// Returns a list of inventory folders contained in the folder 'parentID'
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/// </summary>
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/// <param name="parentID">The folder to get subfolders for</param>
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/// <returns>A list of inventory folders</returns>
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public List<InventoryFolderBase> getInventoryFolders(LLUUID parentID)
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{
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List<InventoryFolderBase> folders = new List<InventoryFolderBase>();
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getInventoryFolders(ref folders, parentID);
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return folders;
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}
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// See IInventoryData
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public List<InventoryFolderBase> getFolderHierarchy(LLUUID parentID)
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{
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List<InventoryFolderBase> folders = new List<InventoryFolderBase>();
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getInventoryFolders(ref folders, parentID);
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for (int i = 0; i < folders.Count; i++)
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getInventoryFolders(ref folders, folders[i].ID);
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return folders;
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}
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}
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}
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