Query<Order> query = Ebean.find(Order.class);

FutureList<Order> futureList = query.findFutureList();

Thread.sleep(3000);
System.out.println("end of sleep");
		
if (!futureList.isDone()){
	futureList.cancel(true);
}

System.out.println("and... done:"+futureList.isDone());

if (!futureList.isCancelled()){
	List<Order> list = futureList.get();
	System.out.println("list:"+list);
}

// this will execute the query asynchronously in a background thread
// immediately returning a Future object ... which you can use to 
// cancel() isDone() or get() with or without a timeout

FutureList<Order> futureList = query.findFutureList();

This code is in HEAD.