001/*-
002 * #%L
003 * HAPI FHIR JPA Server
004 * %%
005 * Copyright (C) 2014 - 2024 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.term.snomedct;
021
022import ca.uhn.fhir.jpa.term.IZipContentsHandlerCsv;
023import org.apache.commons.csv.CSVRecord;
024
025import java.util.HashMap;
026import java.util.Map;
027import java.util.Set;
028
029public final class SctHandlerConcept implements IZipContentsHandlerCsv {
030
031        private Set<String> myValidConceptIds;
032        private Map<String, String> myConceptIdToMostRecentDate = new HashMap<String, String>();
033
034        public SctHandlerConcept(Set<String> theValidConceptIds) {
035                myValidConceptIds = theValidConceptIds;
036        }
037
038        @Override
039        public void accept(CSVRecord theRecord) {
040                String id = theRecord.get("id");
041                String date = theRecord.get("effectiveTime");
042
043                if (!myConceptIdToMostRecentDate.containsKey(id)
044                                || myConceptIdToMostRecentDate.get(id).compareTo(date) < 0) {
045                        boolean active = "1".equals(theRecord.get("active"));
046                        if (active) {
047                                myValidConceptIds.add(id);
048                        } else {
049                                myValidConceptIds.remove(id);
050                        }
051                        myConceptIdToMostRecentDate.put(id, date);
052                }
053        }
054}