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1   package ca.uhn.fhir.jpa.term.snomedct;
2   
3   /*-
4    * #%L
5    * HAPI FHIR JPA Server
6    * %%
7    * Copyright (C) 2014 - 2018 University Health Network
8    * %%
9    * Licensed under the Apache License, Version 2.0 (the "License");
10   * you may not use this file except in compliance with the License.
11   * You may obtain a copy of the License at
12   * 
13   *      http://www.apache.org/licenses/LICENSE-2.0
14   * 
15   * Unless required by applicable law or agreed to in writing, software
16   * distributed under the License is distributed on an "AS IS" BASIS,
17   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18   * See the License for the specific language governing permissions and
19   * limitations under the License.
20   * #L%
21   */
22  
23  import ca.uhn.fhir.jpa.term.IRecordHandler;
24  import org.apache.commons.csv.CSVRecord;
25  
26  import java.util.HashMap;
27  import java.util.Map;
28  import java.util.Set;
29  
30  public final class SctHandlerConcept implements IRecordHandler {
31  
32     private Set<String> myValidConceptIds;
33     private Map<String, String> myConceptIdToMostRecentDate = new HashMap<String, String>();
34  
35     public SctHandlerConcept(Set<String> theValidConceptIds) {
36        myValidConceptIds = theValidConceptIds;
37     }
38  
39     @Override
40     public void accept(CSVRecord theRecord) {
41        String id = theRecord.get("id");
42        String date = theRecord.get("effectiveTime");
43  
44        if (!myConceptIdToMostRecentDate.containsKey(id) || myConceptIdToMostRecentDate.get(id).compareTo(date) < 0) {
45           boolean active = "1".equals(theRecord.get("active"));
46           if (active) {
47              myValidConceptIds.add(id);
48           } else {
49              myValidConceptIds.remove(id);
50           }
51           myConceptIdToMostRecentDate.put(id, date);
52        }
53  
54     }
55  }