1 files changed, 49 insertions, 0 deletions
diff --git a/js/dojo/dojox/lang/aspect/memoizer.js b/js/dojo/dojox/lang/aspect/memoizer.js
new file mode 100644
index 0000000..4692aed
--- /dev/null
+++ b/js/dojo/dojox/lang/aspect/memoizer.js
@@ -0,0 +1,49 @@
+//>>built
+// wrapped by build app
+define("dojox/lang/aspect/memoizer", ["dijit","dojo","dojox"], function(dijit,dojo,dojox){
+dojo.provide("dojox.lang.aspect.memoizer");
+
+(function(){
+	var aop = dojox.lang.aspect;
+
+	var memoize1 = {
+		around: function(key){
+			var ctx = aop.getContext(), self = ctx.joinPoint, that = ctx.instance, t, u, ret;
+			if((t = that.__memoizerCache) && (t = t[self.targetName]) && (key in t)){
+				return t[key];
+			}
+			var ret = aop.proceed.apply(null, arguments);
+			if(!(t = that.__memoizerCache)){ t = that.__memoizerCache = {}; }
+			if(!(u = t[self.targetName])){ u = t[self.targetName] = {}; }
+			return u[key] = ret;
+		}
+	};
+
+	var memoizeN = function(/*Function*/keyMaker){
+		return {
+			around: function(/*arguments*/){
+				var ctx = aop.getContext(), self = ctx.joinPoint, that = ctx.instance, t, u, ret,
+					key  = keyMaker.apply(that, arguments);
+				if((t = that.__memoizerCache) && (t = t[self.targetName]) && (key in t)){
+					return t[key];
+				}
+				var ret = aop.proceed.apply(null, arguments);
+				if(!(t = that.__memoizerCache)){ t = that.__memoizerCache = {}; }
+				if(!(u = t[self.targetName])){ u = t[self.targetName] = {}; }
+				return u[key] = ret;
+			}
+		};
+	};
+
+	aop.memoizer = function(/*Function?*/ keyMaker){
+		// summary:
+		//		Returns an object, which can be used to count calls to methods.
+		//
+		// keyMaker:
+		//		the function, which takes method's arguments and returns a key,
+		//		which can be used to index the result.
+
+		return arguments.length == 0 ? memoize1 : memoizeN(keyMaker);	// Object
+	};
+})();
+});