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.ITermConceptDao;
024import org.slf4j.Logger;
025import org.slf4j.LoggerFactory;
026import org.springframework.batch.item.ItemWriter;
027import org.springframework.beans.factory.annotation.Autowired;
028
029import java.text.DecimalFormat;
030import java.util.List;
031
032
033public class BatchTermConceptsDeleteWriter implements ItemWriter<Long> {
034        private static final Logger ourLog = LoggerFactory.getLogger(BatchTermConceptsDeleteWriter.class);
035
036        private static final DecimalFormat ourDecimalFormat = new DecimalFormat("#,###");
037
038        @Autowired
039        private ITermConceptDao myConceptDao;
040
041
042        @Override
043        public void write(List<? extends Long> theTermCodeSystemVersionPidList) throws Exception {
044                // receives input in chunks of size one
045                long codeSystemVersionId = theTermCodeSystemVersionPidList.get(0);
046
047                ourLog.info("Deleting concepts");
048                int deletedConcepts = myConceptDao.deleteByCodeSystemVersion(codeSystemVersionId);
049                ourLog.info("Deleted {} concepts", ourDecimalFormat.format(deletedConcepts));
050        }
051}