Comm between classes

Hi,

I’m new here, and New to AS3. Do bare with me, if I didn’t make myself clear.

getDatabase.as


package {
    import flash.events.*;
    import flash.net.*;
    public class getDatabase {
        public var XMLdata;
        private var loader:URLLoader;
        public function getDatabase() {
            var request:URLRequest = new URLRequest("data.xml");
            loader = new URLLoader(request);
            loader.addEventListener(Event.COMPLETE,completeListener);
        }
        public function completeListener(event:Event) {
            XMLdata = XML(loader.data);
        }
    }
}

dataAnalysis.as // Base file


package {
    import flash.display.*;
    import flash.events.*;
    import flash.net.*;
    public class dataAnalysis extends MovieClip {
        public var XMLdata;
        public function dataAnalysis() {
            var db:getDatabase = new getDatabase ();
        }
    }
}

Questions is… data.xml needs time to load and How do I go about writing a simple trace statement in dataAnalysis.as after the XML has fully loaded?