50 lines
1.5 KiB
JavaScript
50 lines
1.5 KiB
JavaScript
//>>built
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// wrapped by build app
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define("dojox/lang/aspect/memoizer", ["dijit","dojo","dojox"], function(dijit,dojo,dojox){
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dojo.provide("dojox.lang.aspect.memoizer");
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(function(){
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var aop = dojox.lang.aspect;
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var memoize1 = {
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around: function(key){
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var ctx = aop.getContext(), self = ctx.joinPoint, that = ctx.instance, t, u, ret;
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if((t = that.__memoizerCache) && (t = t[self.targetName]) && (key in t)){
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return t[key];
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}
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var ret = aop.proceed.apply(null, arguments);
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if(!(t = that.__memoizerCache)){ t = that.__memoizerCache = {}; }
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if(!(u = t[self.targetName])){ u = t[self.targetName] = {}; }
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return u[key] = ret;
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}
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};
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var memoizeN = function(/*Function*/keyMaker){
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return {
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around: function(/*arguments*/){
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var ctx = aop.getContext(), self = ctx.joinPoint, that = ctx.instance, t, u, ret,
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key = keyMaker.apply(that, arguments);
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if((t = that.__memoizerCache) && (t = t[self.targetName]) && (key in t)){
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return t[key];
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}
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var ret = aop.proceed.apply(null, arguments);
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if(!(t = that.__memoizerCache)){ t = that.__memoizerCache = {}; }
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if(!(u = t[self.targetName])){ u = t[self.targetName] = {}; }
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return u[key] = ret;
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}
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};
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};
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aop.memoizer = function(/*Function?*/ keyMaker){
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// summary:
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// Returns an object, which can be used to count calls to methods.
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//
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// keyMaker:
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// the function, which takes method's arguments and returns a key,
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// which can be used to index the result.
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return arguments.length == 0 ? memoize1 : memoizeN(keyMaker); // Object
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};
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})();
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});
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