NonAbstractLookup.java

	@Component
	public abstract class SingletonService {
	
		public void usePrototype() {
		    PrototypeService prototypeService = createPrototypeService();
		    prototypeService.doSomething();
		}
	
		@Lookup
		public PrototypeService createPrototypeService() {
			return null; //Spring will replace the implementation anyway
	  };
	
	}