source: Dev/trunk/src/client/dojox/lang/aspect/memoizerGuard.js

dojo.provide("dojox.lang.aspect.memoizerGuard");

(function(){
        var aop = dojox.lang.aspect,
                reset = function(/*String|Array?*/ method){
                        var that = aop.getContext().instance, t;
                        if(!(t = that.__memoizerCache)){ return; }
                        if(arguments.length == 0){
                                delete that.__memoizerCache;
                        }else if(dojo.isArray(method)){
                                dojo.forEach(method, function(m){ delete t[m]; });
                        }else{
                                delete t[method];
                        }
                };


        aop.memoizerGuard = function(/*String|Array?*/ method){
                // summary:
                //              Invalidates the memoizer's cache (see dojox.lang.aspect.memoizer)
                //              after calling certain methods.
                //
                // method:
                //              Optional method's name to be guarded: only cache for
                //              this method will be invalidated on call. Can be a string
                //              or an array of method names. If omitted the whole cache
                //              will be invalidated.

                return {        // Object
                        after: function(){ reset(method); }
                };
        };
})();