csharp: add license, rename filename/namespace.

csharp/MsgPack/ReflectionCache.cs

@@ -0,0 +1,60 @@
+//
+// Copyright 2011 Kazuki Oikawa
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+using System;
+using System.Collections.Generic;
+
+namespace MsgPack
+{
+	public static class ReflectionCache
+	{
+		static Dictionary<Type, ReflectionCacheEntry> _cache;
+
+		static ReflectionCache ()
+		{
+			_cache = new Dictionary<Type,ReflectionCacheEntry> ();
+		}
+
+		public static ReflectionCacheEntry Lookup (Type type)
+		{
+			ReflectionCacheEntry entry;
+			lock (_cache) {
+				if (_cache.TryGetValue (type, out entry))
+					return entry;
+			}
+
+			entry = new ReflectionCacheEntry (type);
+			lock (_cache) {
+				_cache[type] = entry;
+			}
+			return entry;
+		}
+
+		public static void RemoveCache (Type type)
+		{
+			lock (_cache) {
+				_cache.Remove (type);
+			}
+		}
+
+		public static void Clear ()
+		{
+			lock (_cache) {
+				_cache.Clear ();
+			}
+		}
+	}
+}