001package ca.uhn.fhir.jpa.dao.mdm;
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.dao.data.IMdmLinkDao;
024import ca.uhn.fhir.jpa.dao.index.IJpaIdHelperService;
025import ca.uhn.fhir.mdm.api.MdmMatchResultEnum;
026import org.hl7.fhir.instance.model.api.IBaseResource;
027import org.slf4j.Logger;
028import org.slf4j.LoggerFactory;
029import org.springframework.beans.factory.annotation.Autowired;
030import org.springframework.stereotype.Service;
031
032@Service
033public class MdmLinkDeleteSvc {
034        private static final Logger ourLog = LoggerFactory.getLogger(MdmLinkDeleteSvc.class);
035
036        @Autowired
037        private IMdmLinkDao myMdmLinkDao;
038        @Autowired
039        private IJpaIdHelperService myIdHelperService;
040
041        /**
042         * Delete all {@link ca.uhn.fhir.jpa.entity.MdmLink} records with any reference to this resource.  (Used by Expunge.)
043         *
044         * @param theResource
045         * @return the number of records deleted
046         */
047        public int deleteWithAnyReferenceTo(IBaseResource theResource) {
048                Long pid = myIdHelperService.getPidOrThrowException(theResource.getIdElement());
049                int removed = myMdmLinkDao.deleteWithAnyReferenceToPid(pid);
050                if (removed > 0) {
051                        ourLog.info("Removed {} MDM links with references to {}", removed, theResource.getIdElement().toVersionless());
052                }
053                return removed;
054        }
055
056        public int deleteNonRedirectWithAnyReferenceTo(IBaseResource theResource) {
057                Long pid = myIdHelperService.getPidOrThrowException(theResource.getIdElement());
058                int removed = myMdmLinkDao.deleteWithAnyReferenceToPidAndMatchResultNot(pid, MdmMatchResultEnum.REDIRECT);
059                if (removed > 0) {
060                        ourLog.info("Removed {} non-redirect MDM links with references to {}", removed, theResource.getIdElement().toVersionless());
061                }
062                return removed;
063        }
064}