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/*
* Copyright (c) OpenSim project, http://sim.opensecondlife.org/
*
* 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 <organization> 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 <copyright holder> ``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 <copyright holder> 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;
using System.Collections.Generic;
using Db4objects.Db4o;
using Db4objects.Db4o.Query;
using libsecondlife;
using GridInterfaces;
namespace Db4LocalStorage
{
/// <summary>
///
/// </summary>
public class Db4LocalStorage : ILocalStorage
{
private IObjectContainer db;
public Db4LocalStorage()
{
try
{
db = Db4oFactory.OpenFile("localworld.yap");
ServerConsole.MainConsole.Instance.WriteLine("Db4LocalStorage creation");
}
catch(Exception e)
{
db.Close();
ServerConsole.MainConsole.Instance.WriteLine("Db4LocalStorage :Constructor - Exception occured");
ServerConsole.MainConsole.Instance.WriteLine(e.ToString());
}
}
public void StorePrim(PrimStorage prim)
{
IObjectSet result = db.Query(new UUIDQuery(prim.FullID));
if(result.Count>0)
{
//prim already in storage
//so update it
PrimStorage found = (PrimStorage) result.Next();
found.Data = prim.Data;
found.Position = prim.Position;
found.Rotation = prim.Rotation;
db.Set(found);
}
else
{
//not in storage
db.Set(prim);
}
}
public void RemovePrim(LLUUID primID)
{
IObjectSet result = db.Query(new UUIDQuery(primID));
if(result.Count>0)
{
PrimStorage found = (PrimStorage) result.Next();
db.Delete(found);
}
}
public void LoadPrimitives(ILocalStorageReceiver receiver)
{
IObjectSet result = db.Get(typeof(PrimStorage));
ServerConsole.MainConsole.Instance.WriteLine("Db4LocalStorage.cs: LoadPrimitives() - number of prims in storages is "+result.Count);
foreach (PrimStorage prim in result) {
receiver.PrimFromStorage(prim);
}
}
public void ShutDown()
{
db.Commit();
db.Close();
}
}
public class UUIDQuery : Predicate
{
private LLUUID _findID;
public UUIDQuery(LLUUID find)
{
_findID = find;
}
public bool Match(PrimStorage prim)
{
return (prim.FullID == _findID);
}
}
}
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