DGS code example

ShowsDatafetcher.java

@DgsComponent
public class ShowsDatafetcher {
    
    private final List<Show> shows = 
      List.of(
         new Show("Stranger Things", 2016),
         new Show("Ozark", 2017)
     );
    
    @DgsData(parentType = "Query", field = "shows")
    public List<Show> shows(@InputArgument("titleFilter") String titleFilter) {
        if(titleFilter == null) {
            return shows;
        }
      
        return shows.stream()
            .filter(s -> s.getTitle().contains(titleFilter))
            .collect(Collectors.toList());
    }
}