npalm/graphql-java-demo

package ofouro.code.graphql.demo.service;
 
import ofouro.code.graphql.demo.model.Conference;
 
import java.util.List;
import java.util.Optional;
 
public interface ConferenceService {
 
 
    List<Conference> find(Conference conference);
 
    Optional<Conference> findById(Long id);
 
    Conference save(Conference conference);
}