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comparison src/luan/modules/lucene/SupplementingConfig.java @ 1528:3bd4d7963456

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use goodjava/lucene/api
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 26 Jul 2020 23:11:53 -0600
parents
children e6d808f40bbc
comparison
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1527:fa1e3adbebfb 1528:3bd4d7963456
1 package luan.modules.lucene;
2
3 import java.util.Map;
4 import java.util.Collections;
5 import org.apache.lucene.index.IndexWriterConfig;
6 import org.apache.lucene.index.SnapshotDeletionPolicy;
7 import org.apache.lucene.util.Version;
8 import goodjava.lucene.queryparser.MultiFieldParser;
9 import goodjava.lucene.api.MultiFieldParserConfig;
10 import goodjava.lucene.api.MoreFieldInfo;
11 import luan.LuanFunction;
12 import luan.LuanTable;
13 import luan.LuanCloner;
14 import luan.LuanException;
15 import luan.LuanRuntimeException;
16
17
18 final class SupplementingConfig extends MultiFieldParserConfig {
19 private final LuanFunction supplementer;
20
21 SupplementingConfig(Version luceneVersion,MultiFieldParser mfp,LuanFunction supplementer) {
22 super(luceneVersion,mfp);
23 LuanCloner cloner = new LuanCloner(LuanCloner.Type.COMPLETE);
24 this.supplementer = (LuanFunction)cloner.get(supplementer);
25 }
26
27 public IndexWriterConfig newLuceneConfig() {
28 IndexWriterConfig luceneConfig = super.newLuceneConfig();
29 SnapshotDeletionPolicy snapshotDeletionPolicy = new SnapshotDeletionPolicy(luceneConfig.getIndexDeletionPolicy());
30 luceneConfig.setIndexDeletionPolicy(snapshotDeletionPolicy);
31 return luceneConfig;
32 }
33
34 public MoreFieldInfo getMoreFieldInfo(Map<String,Object> storedFields) {
35 if( supplementer == null )
36 return super.getMoreFieldInfo(storedFields);
37 try {
38 LuanTable tbl = LuceneIndex.toTable(supplementer.luan(),storedFields);
39 tbl = (LuanTable)supplementer.call(tbl);
40 if( tbl == null ) {
41 return super.getMoreFieldInfo(storedFields);
42 } else {
43 return new MoreFieldInfo(LuceneIndex.toLucene(tbl),Collections.emptyMap());
44 }
45 } catch(LuanException e) {
46 throw new LuanRuntimeException(e);
47 }
48 }
49 }