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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 OpenSim 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 System.Collections.Generic;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
namespace OpenSim.Data.NHibernate
{
/// <summary>
/// A User storage interface for the DB4o database system
/// </summary>
public class NHibernateAssetData : AssetDataBase
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private NHibernateManager manager;
public NHibernateManager Manager
{
get
{
return manager;
}
}
override public void Dispose() { }
public override void Initialise()
{
m_log.Info("[NHibernateGridData]: " + Name + " cannot be default-initialized!");
throw new PluginNotInitialisedException(Name);
}
public override void Initialise(string connect)
{
m_log.InfoFormat("[NHIBERNATE] Initializing NHibernateAssetData");
manager = new NHibernateManager(connect, "AssetStore");
}
override protected AssetBase FetchStoredAsset(UUID uuid)
{
return (AssetBase)manager.Get(typeof(AssetBase), uuid);
}
private void Save(AssetBase asset)
{
AssetBase temp = (AssetBase)manager.Get(typeof(AssetBase), asset.FullID);
if (temp == null)
{
manager.Insert(asset);
}
}
override public void CreateAsset(AssetBase asset)
{
m_log.InfoFormat("[NHIBERNATE] inserting asset {0}", asset.FullID);
Save(asset);
}
override public void UpdateAsset(AssetBase asset)
{
m_log.InfoFormat("[NHIBERNATE] updating asset {0}", asset.FullID);
manager.Update(asset);
}
// private void LogAssetLoad(AssetBase asset)
// {
// string temporary = asset.Temporary ? "Temporary" : "Stored";
// string local = asset.Local ? "Local" : "Remote";
// int assetLength = (asset.Data != null) ? asset.Data.Length : 0;
// m_log.Info("[SQLITE]: " +
// string.Format("Loaded {6} {5} Asset: [{0}][{3}/{4}] \"{1}\":{2} ({7} bytes)",
// asset.FullID, asset.Name, asset.Description, asset.Type,
// asset.InvType, temporary, local, assetLength));
// }
override public bool ExistsAsset(UUID uuid)
{
m_log.InfoFormat("[NHIBERNATE] ExistsAsset: {0}", uuid);
return (FetchAsset(uuid) != null);
}
/// <summary>
/// Returns a list of AssetMetadata objects. The list is a subset of
/// the entire data set offset by <paramref name="start" /> containing
/// <paramref name="count" /> elements.
/// </summary>
/// <param name="start">The number of results to discard from the total data set.</param>
/// <param name="count">The number of rows the returned list should contain.</param>
/// <returns>A list of AssetMetadata objects.</returns>
public override List<AssetMetadata> FetchAssetMetadataSet(int start, int count)
{
List<AssetMetadata> retList = new List<AssetMetadata>(count);
return retList;
}
public void DeleteAsset(UUID uuid)
{
}
public override string Name {
get { return "NHibernate"; }
}
public override string Version {
get { return "0.1"; }
}
}
}
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