001package ca.uhn.fhir.jpa.delete;
002
003/*-
004 * #%L
005 * HAPI FHIR JPA Server
006 * %%
007 * Copyright (C) 2014 - 2022 Smile CDR, Inc.
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 *
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 *
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import ca.uhn.fhir.jpa.model.entity.ResourceLink;
024import ca.uhn.fhir.jpa.model.entity.ResourceTable;
025import org.springframework.stereotype.Service;
026
027import javax.persistence.EntityManager;
028import javax.persistence.PersistenceContext;
029import javax.persistence.PersistenceContextType;
030import javax.persistence.TypedQuery;
031import java.util.List;
032
033@Service
034public class DeleteConflictFinderService {
035        @PersistenceContext(type = PersistenceContextType.TRANSACTION)
036        protected EntityManager myEntityManager;
037
038        List<ResourceLink> findConflicts(ResourceTable theEntity, int maxResults) {
039                TypedQuery<ResourceLink> query = myEntityManager.createQuery("SELECT l FROM ResourceLink l WHERE l.myTargetResourcePid = :target_pid", ResourceLink.class);
040                query.setParameter("target_pid", theEntity.getId());
041                query.setMaxResults(maxResults);
042                return query.getResultList();
043        }
044}