1 files changed, 59 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/InventoryCache.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/InventoryCache.cs
new file mode 100644
index 0000000..0fe778d
--- /dev/null
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/InventoryCache.cs
@@ -0,0 +1,59 @@
+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;
+        }
+    }
+}