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using System;
using System.Collections.Generic;
using OpenSim.Framework;
using OpenMetaverse;
namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
{
public class InventoryCache
{
private const double CACHE_EXPIRATION_SECONDS = 3600.0; // 1 hour
private static ExpiringCache<UUID, InventoryFolderBase> m_RootFolders = new ExpiringCache<UUID, InventoryFolderBase>();
private static ExpiringCache<UUID, Dictionary<AssetType, InventoryFolderBase>> m_FolderTypes = new ExpiringCache<UUID, Dictionary<AssetType, InventoryFolderBase>>();
public void Cache(UUID userID, InventoryFolderBase root)
{
lock (m_RootFolders)
m_RootFolders.AddOrUpdate(userID, root, CACHE_EXPIRATION_SECONDS);
}
public InventoryFolderBase GetRootFolder(UUID userID)
{
InventoryFolderBase root = null;
if (m_RootFolders.TryGetValue(userID, out root))
return root;
return null;
}
public void Cache(UUID userID, AssetType type, InventoryFolderBase folder)
{
lock (m_FolderTypes)
{
Dictionary<AssetType, InventoryFolderBase> ff = null;
if (!m_FolderTypes.TryGetValue(userID, out ff))
{
ff = new Dictionary<AssetType, InventoryFolderBase>();
m_FolderTypes.Add(userID, ff, CACHE_EXPIRATION_SECONDS);
}
if (!ff.ContainsKey(type))
ff.Add(type, folder);
}
}
public InventoryFolderBase GetFolderForType(UUID userID, AssetType type)
{
Dictionary<AssetType, InventoryFolderBase> ff = null;
if (m_FolderTypes.TryGetValue(userID, out ff))
{
InventoryFolderBase f = null;
if (ff.TryGetValue(type, out f))
return f;
}
return null;
}
}
}
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