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using System;
using System.Collections.Generic;
using System.Text;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Region.Environment.LandManagement;
using OpenSim.Region.Environment;
using OpenSim.Region.Interfaces;
using OpenSim.Framework.Console;
using libsecondlife;
using Db4objects.Db4o;
using Db4objects.Db4o.Query;
namespace OpenSim.DataStore.DB4oStorage
{
public class SceneObjectQuery : Predicate
{
private LLUUID globalIDSearch;
public SceneObjectQuery(LLUUID find)
{
globalIDSearch = find;
}
public bool Match(SceneObject obj)
{
return obj.rootUUID == globalIDSearch;
}
}
public class DB4oDataStore : IRegionDataStore
{
private IObjectContainer db;
public void Initialise(string dbfile, string dbname)
{
MainLog.Instance.Verbose("DATASTORE", "DB4O - Opening " + dbfile);
db = Db4oFactory.OpenFile(dbfile);
return;
}
public void StoreObject(SceneObject obj)
{
db.Set(obj);
}
public void RemoveObject(LLUUID obj)
{
IObjectSet result = db.Query(new SceneObjectQuery(obj));
if (result.Count > 0)
{
SceneObject item = (SceneObject)result.Next();
db.Delete(item);
}
}
public List<SceneObject> LoadObjects()
{
IObjectSet result = db.Get(typeof(SceneObject));
List<SceneObject> retvals = new List<SceneObject>();
MainLog.Instance.Verbose("DATASTORE", "DB4O - LoadObjects found " + result.Count.ToString() + " objects");
foreach (Object obj in result)
{
retvals.Add((SceneObject)obj);
}
return retvals;
}
public void StoreTerrain(double[,] ter)
{
}
public double[,] LoadTerrain()
{
return null;
}
public void RemoveLandObject(uint id)
{
}
public void StoreParcel(Land parcel)
{
}
public List<Land> LoadLandObjects()
{
return new List<Land>();
}
public void Shutdown()
{
if (db != null)
{
db.Commit();
db.Close();
}
}
}
}
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