UserService.java

@Component
public class UserService {
	
	public Observable<User> findAll() {
		return Observable.<User>from(new User[] {new User("Shazin", 29), new User("Shahim", 29)});
	}
	
	public Observable<User> findByName(String name) {
		return findAll().filter(u -> u.getName().toLowerCase().contains(name.toLowerCase()));
	}
	
}