package
{
	import flash.utils.Proxy;
	import flash.utils.describeType;
	import flash.utils.getDefinitionByName;
	import flash.utils.getQualifiedClassName;
	import flash.utils.flash_proxy;

//	import flash.utils.flash_proxy;
	
	public dynamic class ActiveRecord extends Proxy
	{
		private static var functionsToAdd:Array = ["find_by_name","find_by_id","find_all"];
		protected static var methodFactory:DynamicMethodFactory;
		public function ActiveRecord()
		{
			
		}
		public static function staticInitializer(klass:Class):void{
			var typeInfo:XML = describeType(klass);		
			for each(var s:String in functionsToAdd){
				klass[s] = getMethod(typeInfo.@name,s);
			}
		}
		public static function getMethod(objectName:String,methodName:String):Function{
			return function(...args):Object{return endPoint(objectName,methodName,args);};
		}
		public static function endPoint(objectName:String,methodName:String,...args):Object{
			trace("You called: " + objectName + "." + methodName + "(" + args + ")");
			var klass:Class = getDefinitionByName(objectName) as Class;
			var o:ActiveRecord = new klass();
			return o;
		}
		flash_proxy override function callProperty(method: *, ...args): * {
			try { 		 
				var clazz : Class = getDefinitionByName(getQualifiedClassName(this)) as Class;
				return clazz.prototype[method].apply(method, args);
			}
			catch (e : Error) {
				return methodMissing (method, args);
			}
		}
 		protected function methodMissing(method : *, args : Array) : Object{
			throw( new Error("Method Missing"));
			return null;
		}
	}
}

ActiveRecord v0.2

ActionScript 3