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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 OpenSimulator 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;
using System.Collections;
using System.Collections.Generic;
using OpenMetaverse;
namespace OpenSim.Region.Environment.Scenes
{
public class EntityManager : IEnumerable<EntityBase>
{
private readonly Dictionary<UUID,EntityBase> m_eb_uuid = new Dictionary<UUID, EntityBase>();
private readonly Dictionary<uint, EntityBase> m_eb_localID = new Dictionary<uint, EntityBase>();
private readonly Object m_lock = new Object();
[Obsolete("Use Add() instead.")]
public void Add(UUID id, EntityBase eb)
{
Add(eb);
}
public void Add(EntityBase entity)
{
lock (m_lock)
{
m_eb_uuid.Add(entity.UUID, entity);
m_eb_localID.Add(entity.LocalId, entity);
}
}
public void InsertOrReplace(EntityBase entity)
{
lock (m_lock)
{
m_eb_uuid[entity.UUID] = entity;
m_eb_localID[entity.LocalId] = entity;
}
}
public void Clear()
{
lock (m_lock)
{
m_eb_uuid.Clear();
m_eb_localID.Clear();
}
}
public int Count
{
get
{
lock (m_lock)
{
return m_eb_uuid.Count;
}
}
}
public bool ContainsKey(UUID id)
{
lock (m_lock)
{
return m_eb_uuid.ContainsKey(id);
}
}
public bool ContainsKey(uint localID)
{
lock (m_lock)
{
return m_eb_localID.ContainsKey(localID);
}
}
public bool Remove(uint localID)
{
lock (m_lock)
{
bool a = m_eb_uuid.Remove(m_eb_localID[localID].UUID);
bool b = m_eb_localID.Remove(localID);
return a && b;
}
}
public bool Remove(UUID id)
{
lock (m_lock)
{
bool a = m_eb_localID.Remove(m_eb_uuid[id].LocalId);
bool b = m_eb_uuid.Remove(id);
return a && b;
}
}
public List<EntityBase> GetAllByType<T>()
{
List<EntityBase> tmp = new List<EntityBase>();
lock (m_lock)
{
foreach (KeyValuePair<UUID, EntityBase> pair in m_eb_uuid)
{
if (pair.Value is T)
{
tmp.Add(pair.Value);
}
}
}
return tmp;
}
public List<EntityBase> GetEntities()
{
lock (m_lock)
{
return new List<EntityBase>(m_eb_uuid.Values);
}
}
public EntityBase this[UUID id]
{
get
{
lock (m_lock)
{
return m_eb_uuid[id];
}
}
set
{
InsertOrReplace(value);
}
}
public EntityBase this[uint localID]
{
get
{
lock (m_lock)
{
return m_eb_localID[localID];
}
}
set
{
InsertOrReplace(value);
}
}
public bool TryGetValue(UUID key, out EntityBase obj)
{
lock (m_lock)
{
return m_eb_uuid.TryGetValue(key, out obj);
}
}
public bool TryGetValue(uint key, out EntityBase obj)
{
lock (m_lock)
{
return m_eb_localID.TryGetValue(key, out obj);
}
}
/// <summary>
/// This could be optimised to work on the list 'live' rather than making a safe copy and iterating that.
/// </summary>
/// <returns></returns>
public IEnumerator<EntityBase> GetEnumerator()
{
return GetEntities().GetEnumerator();
}
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
}
}
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