Fast Flex Array Search

private function findInCollection(c:ArrayCollection, findFunction:Function):Array
{
 var matches : Array = c.source.filter( findFunction );
 return matches;
}
private function findFunction(propertyName:String,propertyValue:*):Function
{
   return function( element : *, index : int, array : Array ) : Boolean
   {
    return element[propertyName] == propertyValue;
   }
}


Call the function: var searchedElements:Array=findInCollection(ac,findFunction('recordId',2));