Java tutorial
/* * Copyright (c) 2018 OBiBa. All rights reserved. * * This program and the accompanying materials * are made available under the terms of the GNU Public License v3.0. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.obiba.mica.study; import org.obiba.mica.study.domain.Study; import org.springframework.data.mongodb.repository.MongoRepository; import org.springframework.data.mongodb.repository.Query; import java.util.List; /** * Spring Data MongoDB repository for the Study entity. */ public interface StudyRepository extends MongoRepository<Study, String>, StudyRepositoryCustom { @Query("{'model' : { $exists : false }}") List<Study> findWithoutModel(); @Query(value = "{}", fields = "{_id : 1}") List<Study> findAllExistingIds(); }