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annotate lucene/src/luan/modules/lucene/LuceneIndex.java @ 617:e54c1646eed0

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add Lucene.next_id()
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 30 Dec 2015 02:15:01 -0700
parents d36027b41570
children 5e495e4e560b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 package luan.modules.lucene;
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2
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3 import java.io.Closeable;
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4 import java.io.File;
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5 import java.io.FileOutputStream;
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6 import java.io.FileInputStream;
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7 import java.io.IOException;
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8 import java.util.Iterator;
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9 import java.util.Map;
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10 import java.util.List;
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11 import java.util.ArrayList;
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12 import java.util.Set;
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13 import java.util.concurrent.locks.Lock;
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14 import java.util.concurrent.locks.ReentrantLock;
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15 import java.util.zip.ZipOutputStream;
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16 import java.util.zip.ZipEntry;
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17 import org.apache.lucene.analysis.Analyzer;
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18 import org.apache.lucene.analysis.core.KeywordAnalyzer;
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19 import org.apache.lucene.document.Document;
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20 import org.apache.lucene.document.Field;
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21 import org.apache.lucene.document.StoredField;
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22 import org.apache.lucene.document.StringField;
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23 import org.apache.lucene.document.TextField;
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24 import org.apache.lucene.document.IntField;
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25 import org.apache.lucene.document.LongField;
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26 import org.apache.lucene.document.DoubleField;
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27 import org.apache.lucene.index.IndexableField;
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28 import org.apache.lucene.index.IndexWriter;
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29 import org.apache.lucene.index.IndexWriterConfig;
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30 import org.apache.lucene.index.DirectoryReader;
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31 import org.apache.lucene.index.Term;
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32 import org.apache.lucene.index.SnapshotDeletionPolicy;
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33 import org.apache.lucene.index.IndexCommit;
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34 import org.apache.lucene.index.AtomicReaderContext;
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35 import org.apache.lucene.store.Directory;
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36 import org.apache.lucene.store.FSDirectory;
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37 import org.apache.lucene.util.Version;
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38 import org.apache.lucene.util.BytesRef;
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39 import org.apache.lucene.util.NumericUtils;
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40 import org.apache.lucene.search.Query;
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41 import org.apache.lucene.search.TermQuery;
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42 import org.apache.lucene.search.TopDocs;
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43 import org.apache.lucene.search.Sort;
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44 import org.apache.lucene.search.SortField;
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45 import org.apache.lucene.search.IndexSearcher;
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46 import org.apache.lucene.search.TotalHitCountCollector;
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47 import org.apache.lucene.search.ScoreDoc;
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48 import org.apache.lucene.search.Collector;
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49 import org.apache.lucene.search.Scorer;
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50 import sane.lucene.queryparser.SaneQueryParser;
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51 import sane.lucene.queryparser.FieldParser;
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52 import sane.lucene.queryparser.MultiFieldParser;
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53 import sane.lucene.queryparser.StringFieldParser;
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54 import sane.lucene.queryparser.NumberFieldParser;
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55 import sane.lucene.queryparser.ParseException;
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56 import luan.modules.Utils;
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57 import luan.Luan;
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58 import luan.LuanState;
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59 import luan.LuanTable;
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60 import luan.LuanFunction;
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61 import luan.LuanJavaFunction;
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62 import luan.LuanException;
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63 import luan.LuanMeta;
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64 import luan.LuanRuntimeException;
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65 import org.slf4j.Logger;
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66 import org.slf4j.LoggerFactory;
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67
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68
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69 public final class LuceneIndex implements Closeable {
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70 private static final Logger logger = LoggerFactory.getLogger(LuceneIndex.class);
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71
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72 private static final String FLD_NEXT_ID = "nextId";
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73 public static final StringFieldParser STRING_FIELD_PARSER = new StringFieldParser(new KeywordAnalyzer());
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74
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75 private final ReentrantLock writeLock = new ReentrantLock();
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76 private final File indexDir;
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77 final SnapshotDeletionPolicy snapshotDeletionPolicy;
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78 private final IndexWriter writer;
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79 private DirectoryReader reader;
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80 private IndexSearcher searcher;
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81 private final ThreadLocal<IndexSearcher> threadLocalSearcher = new ThreadLocal<IndexSearcher>();
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82 private boolean isClosed = false;
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83 private final MultiFieldParser mfp;
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84
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85 public LuceneIndex(LuanState luan,String indexDirStr,FieldParser defaultFieldParser,String[] defaultFields) throws LuanException, IOException {
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86 mfp = defaultFieldParser==null ? new MultiFieldParser() : new MultiFieldParser(defaultFieldParser,defaultFields);
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87 mfp.fields.put( "type", STRING_FIELD_PARSER );
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88 mfp.fields.put( "id", NumberFieldParser.LONG );
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89 File indexDir = new File(indexDirStr);
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90 this.indexDir = indexDir;
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91 Directory dir = FSDirectory.open(indexDir);
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92 Version version = Version.LUCENE_4_9;
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93 Analyzer analyzer = STRING_FIELD_PARSER.analyzer;
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94 if( defaultFieldParser instanceof StringFieldParser ) {
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95 StringFieldParser sfp = (StringFieldParser)defaultFieldParser;
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96 analyzer = sfp.analyzer;
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97 }
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98 IndexWriterConfig conf = new IndexWriterConfig(version,analyzer);
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99 snapshotDeletionPolicy = new SnapshotDeletionPolicy(conf.getIndexDeletionPolicy());
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100 conf.setIndexDeletionPolicy(snapshotDeletionPolicy);
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101 writer = new IndexWriter(dir,conf);
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102 writer.commit(); // commit index creation
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103 reader = DirectoryReader.open(dir);
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104 luan.onClose(this);
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105 searcher = new IndexSearcher(reader);
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106 initId(luan);
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107 }
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108
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110
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111 public void delete_all() throws IOException {
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112 boolean commit = !writeLock.isHeldByCurrentThread();
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113 writeLock.lock();
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114 try {
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115 writer.deleteAll();
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116 id = idLim = 0;
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117 if(commit) writer.commit();
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118 } finally {
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119 writeLock.unlock();
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120 }
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121 }
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diff changeset
123 private static Term term(String key,long value) {
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parents: 545
diff changeset
124 BytesRef br = new BytesRef();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
125 NumericUtils.longToPrefixCoded(value,0,br);
eaef1005ab87 general lucene cleanup
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diff changeset
126 return new Term(key,br);
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
127 }
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
128
547
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diff changeset
129 public void delete(LuanState luan,String queryStr) throws LuanException, IOException, ParseException {
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
130 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
546
eaef1005ab87 general lucene cleanup
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diff changeset
131
eaef1005ab87 general lucene cleanup
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diff changeset
132 boolean commit = !writeLock.isHeldByCurrentThread();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
133 writeLock.lock();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
134 try {
547
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
135 writer.deleteDocuments(query);
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
136 if(commit) writer.commit();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
137 } finally {
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
138 writeLock.unlock();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
139 }
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
140 }
eaef1005ab87 general lucene cleanup
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diff changeset
141
547
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diff changeset
142 public void save(LuanState luan,LuanTable doc) throws LuanException, IOException {
575
7c3ad6db8ac3 make LuanState.JAVA private
Franklin Schmidt <fschmidt@gmail.com>
parents: 574
diff changeset
143 if( doc.get(luan,"type")==null )
578
60c549d43988 remove LuanState.exception()
Franklin Schmidt <fschmidt@gmail.com>
parents: 575
diff changeset
144 throw new LuanException(luan,"missing 'type' field");
601
d36027b41570 better error message
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parents: 599
diff changeset
145 Object obj = doc.get(luan,"id");
d36027b41570 better error message
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parents: 599
diff changeset
146 Long id;
d36027b41570 better error message
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parents: 599
diff changeset
147 try {
d36027b41570 better error message
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diff changeset
148 id = (Long)obj;
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parents: 599
diff changeset
149 } catch(ClassCastException e) {
d36027b41570 better error message
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parents: 599
diff changeset
150 throw new LuanException(luan,"id should be Long but is "+obj.getClass().getSimpleName());
d36027b41570 better error message
Franklin Schmidt <fschmidt@gmail.com>
parents: 599
diff changeset
151 }
546
eaef1005ab87 general lucene cleanup
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diff changeset
152
eaef1005ab87 general lucene cleanup
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diff changeset
153 boolean commit = !writeLock.isHeldByCurrentThread();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
154 writeLock.lock();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
155 try {
eaef1005ab87 general lucene cleanup
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diff changeset
156 if( id == null ) {
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
157 id = nextId(luan);
575
7c3ad6db8ac3 make LuanState.JAVA private
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parents: 574
diff changeset
158 doc.put(luan,"id",id);
546
eaef1005ab87 general lucene cleanup
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diff changeset
159 writer.addDocument(toLucene(luan,doc));
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
160 } else {
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
161 writer.updateDocument( term("id",id), toLucene(luan,doc) );
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
162 }
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
163 if(commit) writer.commit();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
164 } finally {
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diff changeset
165 writeLock.unlock();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
166 }
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
167 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
168
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
169 public void update_in_transaction(LuanState luan,LuanFunction fn) throws IOException, LuanException {
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
170 boolean commit = !writeLock.isHeldByCurrentThread();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
171 writeLock.lock();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
172 try {
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
173 fn.call(luan);
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
174 if(commit) writer.commit();
252
3896138955b1 web testing...
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parents: 233
diff changeset
175 } finally {
3896138955b1 web testing...
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 233
diff changeset
176 writeLock.unlock();
3896138955b1 web testing...
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parents: 233
diff changeset
177 }
3896138955b1 web testing...
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parents: 233
diff changeset
178 }
3896138955b1 web testing...
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parents: 233
diff changeset
179
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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180
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
181 private long id = 0;
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
182 private long idLim = 0;
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
183 private final int idBatch = 10;
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
184
233
ef39bc4d3f70 basic lucene works
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 232
diff changeset
185 private void initId(LuanState luan) throws LuanException, IOException {
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
186 TopDocs td = searcher.search(new TermQuery(new Term("type","next_id")),1);
547
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
187
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
188 // tmp hack
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
189 if( td.totalHits == 0 ) {
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parents: 546
diff changeset
190 td = searcher.search(new TermQuery(new Term("type index","next_id")),1);
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
191 if( td.totalHits == 1 ) {
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parents: 546
diff changeset
192 long idLim = (Long)searcher.doc(td.scoreDocs[0].doc).getField(FLD_NEXT_ID).numericValue();
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
Franklin Schmidt <fschmidt@gmail.com>
parents: 546
diff changeset
193 LuanTable doc = new LuanTable();
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
Franklin Schmidt <fschmidt@gmail.com>
parents: 546
diff changeset
194 doc.rawPut( "type", "next_id" );
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parents: 546
diff changeset
195 doc.rawPut( FLD_NEXT_ID, idLim );
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parents: 546
diff changeset
196 writer.addDocument(toLucene(luan,doc));
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parents: 546
diff changeset
197 writer.commit();
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
198 }
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
199 }
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
200
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
201 switch(td.totalHits) {
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
202 case 0:
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
203 break; // do nothing
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
204 case 1:
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
205 idLim = (Long)searcher.doc(td.scoreDocs[0].doc).getField(FLD_NEXT_ID).numericValue();
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
206 id = idLim;
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
207 break;
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
208 default:
4438cb2e04d0 start lucene
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parents:
diff changeset
209 throw new RuntimeException();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
210 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
211 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
212
617
e54c1646eed0 add Lucene.next_id()
Franklin Schmidt <fschmidt@gmail.com>
parents: 601
diff changeset
213 public synchronized long nextId(LuanState luan) throws LuanException, IOException {
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
214 if( ++id > idLim ) {
233
ef39bc4d3f70 basic lucene works
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parents: 232
diff changeset
215 idLim += idBatch;
411
23b99a5039b5 remove Luan.newTable()
Franklin Schmidt <fschmidt@gmail.com>
parents: 312
diff changeset
216 LuanTable doc = new LuanTable();
427
dae264ad6a7b fix LuanTable.put() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 426
diff changeset
217 doc.rawPut( "type", "next_id" );
dae264ad6a7b fix LuanTable.put() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 426
diff changeset
218 doc.rawPut( FLD_NEXT_ID, idLim );
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
219 writer.updateDocument(new Term("type","next_id"),toLucene(luan,doc));
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
220 }
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
221 return id;
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
222 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
223
4438cb2e04d0 start lucene
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parents:
diff changeset
224
233
ef39bc4d3f70 basic lucene works
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parents: 232
diff changeset
225 public void backup(LuanState luan,String zipFile) throws LuanException, IOException {
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
226 if( !zipFile.endsWith(".zip") )
578
60c549d43988 remove LuanState.exception()
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parents: 575
diff changeset
227 throw new LuanException(luan,"file "+zipFile+" doesn't end with '.zip'");
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
228 IndexCommit ic = snapshotDeletionPolicy.snapshot();
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
229 try {
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
230 ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFile));
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
231 for( String fileName : ic.getFileNames() ) {
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
232 out.putNextEntry(new ZipEntry(fileName));
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
233 FileInputStream in = new FileInputStream(new File(indexDir,fileName));
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
234 Utils.copyAll(in,out);
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
235 in.close();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
236 out.closeEntry();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
237 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
238 out.close();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
239 } finally {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
240 snapshotDeletionPolicy.release(ic);
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
241 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
242 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
243
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
244
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
245
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
246 public String to_string() {
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
247 return writer.getDirectory().toString();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
248 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
249
303
fdb4bd391c28 add lucene close();
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 287
diff changeset
250 public void close() throws IOException {
521
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
251 if( !isClosed ) {
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
252 writer.close();
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
253 reader.close();
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
254 isClosed = true;
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
255 }
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
256 }
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
257
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
258 protected void finalize() throws Throwable {
8a217fe5b4f3 cleaner LuanState.onClose()
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parents: 427
diff changeset
259 if( !isClosed ) {
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diff changeset
260 logger.error("not closed");
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261 close();
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262 }
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diff changeset
263 super.finalize();
230
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264 }
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265
312
d34be4588556 add lucene query parsing
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parents: 303
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266
544
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267
545
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diff changeset
268 private static class DocFn extends LuanFunction {
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269 final IndexSearcher searcher;
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diff changeset
270 int docID;
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271
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diff changeset
272 DocFn(IndexSearcher searcher) {
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diff changeset
273 this.searcher = searcher;
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274 }
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275
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276 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
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277 try {
546
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diff changeset
278 return toTable(luan,searcher.doc(docID));
545
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diff changeset
279 } catch(IOException e) {
578
60c549d43988 remove LuanState.exception()
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diff changeset
280 throw new LuanException(luan,e);
545
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281 }
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282 }
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283 }
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284
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diff changeset
285 private static abstract class MyCollector extends Collector {
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diff changeset
286 int docBase;
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diff changeset
287 int i = 0;
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288
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diff changeset
289 @Override public void setScorer(Scorer scorer) {}
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diff changeset
290 @Override public void setNextReader(AtomicReaderContext context) {
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291 this.docBase = context.docBase;
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292 }
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diff changeset
293 @Override public boolean acceptsDocsOutOfOrder() {
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294 return true;
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295 }
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296 }
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297
546
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diff changeset
298 private synchronized IndexSearcher openSearcher() throws IOException {
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diff changeset
299 DirectoryReader newReader = DirectoryReader.openIfChanged(reader);
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300 if( newReader != null ) {
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301 reader.decRef();
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302 reader = newReader;
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303 searcher = new IndexSearcher(reader);
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304 }
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diff changeset
305 reader.incRef();
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diff changeset
306 return searcher;
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diff changeset
307 }
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diff changeset
308
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diff changeset
309 // call in finally block
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diff changeset
310 private static void close(IndexSearcher searcher) throws IOException {
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diff changeset
311 searcher.getIndexReader().decRef();
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diff changeset
312 }
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diff changeset
313
591
790d5de23042 add "strict" param to Io.repr();
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diff changeset
314 public void ensure_open() throws IOException {
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diff changeset
315 close(openSearcher());
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316 }
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diff changeset
317
545
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diff changeset
318 public int advanced_search( final LuanState luan, String queryStr, LuanFunction fn, Integer n, String sortStr ) throws LuanException, IOException, ParseException {
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diff changeset
319 Utils.checkNotNull(luan,queryStr);
546
eaef1005ab87 general lucene cleanup
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diff changeset
320 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
545
ddcd4296107a clean up lucene search
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diff changeset
321 IndexSearcher searcher = threadLocalSearcher.get();
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diff changeset
322 boolean inTransaction = searcher != null;
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diff changeset
323 if( !inTransaction )
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diff changeset
324 searcher = openSearcher();
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diff changeset
325 try {
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diff changeset
326 if( fn!=null && n==null ) {
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diff changeset
327 if( sortStr != null )
578
60c549d43988 remove LuanState.exception()
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diff changeset
328 throw new LuanException(luan,"sort must be nil when n is nil");
545
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diff changeset
329 final DocFn docFn = new DocFn(searcher);
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diff changeset
330 MyCollector col = new MyCollector() {
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diff changeset
331 @Override public void collect(int doc) {
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diff changeset
332 try {
547
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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diff changeset
333 docFn.docID = docBase + doc;
574
6cc2f047019b remove LuanState.call()
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diff changeset
334 fn.call(luan,new Object[]{++i,docFn});
545
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diff changeset
335 } catch(LuanException e) {
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diff changeset
336 throw new LuanRuntimeException(e);
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diff changeset
337 }
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diff changeset
338 }
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diff changeset
339 };
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diff changeset
340 try {
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diff changeset
341 searcher.search(query,col);
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diff changeset
342 } catch(LuanRuntimeException e) {
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diff changeset
343 throw (LuanException)e.getCause();
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diff changeset
344 }
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diff changeset
345 return col.i;
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diff changeset
346 }
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diff changeset
347 if( fn==null || n==0 ) {
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diff changeset
348 TotalHitCountCollector thcc = new TotalHitCountCollector();
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diff changeset
349 searcher.search(query,thcc);
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diff changeset
350 return thcc.getTotalHits();
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diff changeset
351 }
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
352 Sort sort = sortStr==null ? null : SaneQueryParser.parseSort(mfp,sortStr);
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
353 TopDocs td = sort==null ? searcher.search(query,n) : searcher.search(query,n,sort);
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parents: 544
diff changeset
354 final ScoreDoc[] scoreDocs = td.scoreDocs;
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parents: 544
diff changeset
355 DocFn docFn = new DocFn(searcher);
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parents: 544
diff changeset
356 for( int i=0; i<scoreDocs.length; i++ ) {
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diff changeset
357 docFn.docID = scoreDocs[i].doc;
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
358 fn.call(luan,new Object[]{i+1,docFn});
545
ddcd4296107a clean up lucene search
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diff changeset
359 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
360 return td.totalHits;
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parents: 544
diff changeset
361 } finally {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
362 if( !inTransaction )
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parents: 544
diff changeset
363 close(searcher);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
364 }
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parents: 544
diff changeset
365 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
366
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
367 public Object search_in_transaction(LuanState luan,LuanFunction fn) throws LuanException, IOException {
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parents: 544
diff changeset
368 if( threadLocalSearcher.get() != null )
578
60c549d43988 remove LuanState.exception()
Franklin Schmidt <fschmidt@gmail.com>
parents: 575
diff changeset
369 throw new LuanException(luan,"can't nest search_in_transaction calls");
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
370 IndexSearcher searcher = openSearcher();
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
371 threadLocalSearcher.set(searcher);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
372 try {
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
373 return fn.call(luan);
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
374 } finally {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
375 threadLocalSearcher.set(null);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
376 close(searcher);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
377 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
378 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
379
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
380
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
381
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
382 public final LuanMeta indexedFieldsMeta = new LuanMeta() {
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diff changeset
383
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
384 @Override public boolean canNewindex() {
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parents: 527
diff changeset
385 return true;
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
386 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
387
c5a93767cc5c lucene overhaul, untested
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diff changeset
388 @Override public Object __index(LuanState luan,LuanTable tbl,Object key) {
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parents: 527
diff changeset
389 return mfp.fields.get(key);
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parents: 527
diff changeset
390 }
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
391
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
392 @Override public void __new_index(LuanState luan,LuanTable tbl,Object key,Object value) throws LuanException {
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
393 if( !(key instanceof String) )
578
60c549d43988 remove LuanState.exception()
Franklin Schmidt <fschmidt@gmail.com>
parents: 575
diff changeset
394 throw new LuanException(luan,"key must be string");
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
395 String field = (String)key;
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
396 if( value==null ) { // delete
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
397 mfp.fields.remove(field);
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Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
398 return;
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
399 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
400 if( !(value instanceof FieldParser) )
578
60c549d43988 remove LuanState.exception()
Franklin Schmidt <fschmidt@gmail.com>
parents: 575
diff changeset
401 throw new LuanException(luan,"value must be FieldParser like the values of Lucene.type");
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
402 FieldParser parser = (FieldParser)value;
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
403 mfp.fields.put( field, parser );
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
404 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
405
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
406 @Override public final Iterator keys(LuanTable tbl) {
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
407 return mfp.fields.keySet().iterator();
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
408 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
409
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
410 @Override protected String type(LuanTable tbl) {
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
411 return "lucene-indexed-fields";
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
412 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
413
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
414 };
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
415
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
416
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
417
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
418
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
419 private Document toLucene(LuanState luan,LuanTable table) throws LuanException {
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
420 Set<String> indexed = mfp.fields.keySet();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
421 Document doc = new Document();
575
7c3ad6db8ac3 make LuanState.JAVA private
Franklin Schmidt <fschmidt@gmail.com>
parents: 574
diff changeset
422 for( Map.Entry<Object,Object> entry : table.iterable(luan) ) {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
423 Object key = entry.getKey();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
424 if( !(key instanceof String) )
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425 throw new LuanException(luan,"key must be string");
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426 String name = (String)key;
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427 Object value = entry.getValue();
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428 if( value instanceof String ) {
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429 String s = (String)value;
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430 FieldParser fp = mfp.fields.get(name);
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431 if( fp != null ) {
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432 if( fp instanceof StringFieldParser && fp != STRING_FIELD_PARSER ) {
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433 doc.add(new TextField(name, s, Field.Store.YES));
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434 } else {
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435 doc.add(new StringField(name, s, Field.Store.YES));
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436 }
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437 } else {
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438 doc.add(new StoredField(name, s));
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439 }
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440 } else if( value instanceof Integer ) {
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441 int i = (Integer)value;
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442 if( indexed.contains(name) ) {
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443 doc.add(new IntField(name, i, Field.Store.YES));
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444 } else {
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445 doc.add(new StoredField(name, i));
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446 }
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447 } else if( value instanceof Long ) {
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448 long i = (Long)value;
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449 if( indexed.contains(name) ) {
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450 doc.add(new LongField(name, i, Field.Store.YES));
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451 } else {
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452 doc.add(new StoredField(name, i));
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453 }
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454 } else if( value instanceof Double ) {
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455 double i = (Double)value;
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456 if( indexed.contains(name) ) {
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457 doc.add(new DoubleField(name, i, Field.Store.YES));
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458 } else {
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459 doc.add(new StoredField(name, i));
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460 }
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461 } else if( value instanceof byte[] ) {
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462 byte[] b = (byte[])value;
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463 doc.add(new StoredField(name, b));
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464 } else
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465 throw new LuanException(luan,"invalid value type "+value.getClass()+"' for '"+name+"'");
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466 }
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467 return doc;
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468 }
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469
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470 private static LuanTable toTable(LuanState luan,Document doc) throws LuanException {
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471 if( doc==null )
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472 return null;
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473 LuanTable table = new LuanTable();
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474 for( IndexableField ifld : doc ) {
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475 String name = ifld.name();
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476 BytesRef br = ifld.binaryValue();
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477 if( br != null ) {
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478 table.rawPut(name,br.bytes);
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479 continue;
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480 }
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481 Number n = ifld.numericValue();
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482 if( n != null ) {
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483 table.rawPut(name,n);
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484 continue;
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485 }
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486 String s = ifld.stringValue();
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487 if( s != null ) {
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488 table.rawPut(name,s);
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489 continue;
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490 }
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491 throw new LuanException(luan,"invalid field type for "+ifld);
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492 }
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493 return table;
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d34be4588556 add lucene query parsing
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494 }
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495
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4438cb2e04d0 start lucene
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496 }