this.requestTrace = new Exception("Requesttrace of " + reg);
        public boolean request(Object owner) {            if (this.inuse) {                return false;            } else {                this.owner = owner;                this.inuse = true;                this.requestTrace = new Exception("Requesttrace of " + reg);                //System.out.println("Request of " + reg);                return true;            }        }