001/*-
002 * #%L
003 * HAPI FHIR JPA Server
004 * %%
005 * Copyright (C) 2014 - 2025 Smile CDR, Inc.
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 *
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package ca.uhn.fhir.jpa.delete;
021
022import ca.uhn.fhir.jpa.model.entity.ResourceLink;
023import ca.uhn.fhir.jpa.model.entity.ResourceTable;
024import jakarta.persistence.EntityManager;
025import jakarta.persistence.PersistenceContext;
026import jakarta.persistence.PersistenceContextType;
027import jakarta.persistence.TypedQuery;
028import org.springframework.stereotype.Service;
029
030import java.util.List;
031
032@Service
033public class DeleteConflictFinderService {
034        @PersistenceContext(type = PersistenceContextType.TRANSACTION)
035        protected EntityManager myEntityManager;
036
037        List<ResourceLink> findConflicts(ResourceTable theEntity, int maxResults) {
038                String queryStr =
039                                "SELECT l FROM ResourceLink l WHERE l.myTargetResource.myPid = :target_pid AND (l.myTargetResourceVersion IS NULL)";
040                TypedQuery<ResourceLink> query = myEntityManager.createQuery(queryStr, ResourceLink.class);
041                query.setParameter("target_pid", theEntity.getId());
042                query.setMaxResults(maxResults);
043
044                return query.getResultList();
045        }
046}