001package ca.uhn.fhir.jpa.term.job;
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.ITermCodeSystemDao;
024import ca.uhn.fhir.jpa.dao.data.ITermCodeSystemVersionDao;
025import ca.uhn.fhir.jpa.entity.TermCodeSystem;
026import ca.uhn.fhir.jpa.entity.TermCodeSystemVersion;
027import org.slf4j.Logger;
028import org.slf4j.LoggerFactory;
029import org.springframework.batch.item.ItemWriter;
030import org.springframework.beans.factory.annotation.Autowired;
031import org.springframework.stereotype.Component;
032
033import java.util.List;
034import java.util.Optional;
035
036@Component
037public class BatchTermCodeSystemVersionDeleteWriter implements ItemWriter<Long> {
038        private static final Logger ourLog = LoggerFactory.getLogger(BatchTermCodeSystemVersionDeleteWriter.class);
039
040        @Autowired
041        private ITermCodeSystemDao myCodeSystemDao;
042
043        @Autowired
044        private ITermCodeSystemVersionDao myTermCodeSystemVersionDao;
045
046
047
048        @Override
049        public void write(List<? extends Long> theTermCodeSystemVersionPidList) throws Exception {
050                // receives input in chunks of size one
051                long codeSystemVersionId = theTermCodeSystemVersionPidList.get(0);
052
053                ourLog.debug("Executing for codeSystemVersionId: {}", codeSystemVersionId);
054
055                // if TermCodeSystemVersion being deleted is current, disconnect it form TermCodeSystem
056                Optional<TermCodeSystem> codeSystemOpt = myCodeSystemDao.findWithCodeSystemVersionAsCurrentVersion(codeSystemVersionId);
057                if (codeSystemOpt.isPresent()) {
058                        TermCodeSystem codeSystem = codeSystemOpt.get();
059                        ourLog.info("Removing code system version: {} as current version of code system: {}", codeSystemVersionId, codeSystem.getPid());
060                        codeSystem.setCurrentVersion(null);
061                        myCodeSystemDao.save(codeSystem);
062                }
063
064                ourLog.info("Deleting code system version: {}", codeSystemVersionId);
065                Optional<TermCodeSystemVersion> csv = myTermCodeSystemVersionDao.findById(codeSystemVersionId);
066                csv.ifPresent(theTermCodeSystemVersion -> {
067                        myTermCodeSystemVersionDao.delete(theTermCodeSystemVersion);
068                        ourLog.info("Code system version: {} deleted", codeSystemVersionId);
069                });
070
071        }
072}