src/main/java/ofouro/code/graphql/demo/service/ConferenceRepository.java
package ofouro.code.graphql.demo.service; import ofouro.code.graphql.demo.model.Conference;import org.springframework.data.repository.PagingAndSortingRepository;import org.springframework.data.repository.query.QueryByExampleExecutor;import org.springframework.stereotype.Repository; import java.util.List; @Repositorypublic interface ConferenceRepository extends PagingAndSortingRepository<Conference, Long>, QueryByExampleExecutor<Conference> { List<Conference> findAll(); }