public abstract class AbstractTemplate {
  Long id;
  String name;
}

public abstract class AbstractRestController {
  public Object get(@QueryParameter("name") name) {
    ... // creates a query to search by name
  }
}

public class Person extends AbstractTemplate {
  String nickName;
}

public class PersonRestController extends AbstractRestController {
  public Object get(@QueryParameter("name") name,
                    @QueryParameter("nickname") nickname) {
    ... // creates a query to search by name, nickname or both.
  }
}