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annotate lucene/src/luan/modules/lucene/LuceneIndex.java @ 696:b21d82ee5756 0.18

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minor
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 02 May 2016 00:39:42 -0600
parents cdc70de628b5
children 90c89138c234
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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.HashSet;
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14 import java.util.Collections;
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15 import java.util.concurrent.locks.Lock;
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16 import java.util.concurrent.locks.ReentrantLock;
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17 import java.util.zip.ZipOutputStream;
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18 import java.util.zip.ZipEntry;
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19 import org.apache.lucene.analysis.Analyzer;
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20 import org.apache.lucene.analysis.core.KeywordAnalyzer;
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21 import org.apache.lucene.document.Document;
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22 import org.apache.lucene.document.Field;
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23 import org.apache.lucene.document.StoredField;
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24 import org.apache.lucene.document.StringField;
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25 import org.apache.lucene.document.TextField;
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26 import org.apache.lucene.document.IntField;
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27 import org.apache.lucene.document.LongField;
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28 import org.apache.lucene.document.DoubleField;
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29 import org.apache.lucene.index.IndexableField;
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30 import org.apache.lucene.index.IndexWriter;
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31 import org.apache.lucene.index.IndexWriterConfig;
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32 import org.apache.lucene.index.DirectoryReader;
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33 import org.apache.lucene.index.Term;
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34 import org.apache.lucene.index.SnapshotDeletionPolicy;
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35 import org.apache.lucene.index.IndexCommit;
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36 import org.apache.lucene.index.AtomicReaderContext;
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37 import org.apache.lucene.store.Directory;
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38 import org.apache.lucene.store.FSDirectory;
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39 import org.apache.lucene.util.Version;
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40 import org.apache.lucene.util.BytesRef;
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41 import org.apache.lucene.util.NumericUtils;
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42 import org.apache.lucene.search.Query;
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43 import org.apache.lucene.search.TermQuery;
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44 import org.apache.lucene.search.TopDocs;
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45 import org.apache.lucene.search.Sort;
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46 import org.apache.lucene.search.SortField;
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47 import org.apache.lucene.search.IndexSearcher;
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48 import org.apache.lucene.search.TotalHitCountCollector;
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49 import org.apache.lucene.search.ScoreDoc;
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50 import org.apache.lucene.search.Collector;
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51 import org.apache.lucene.search.Scorer;
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52 import org.apache.lucene.search.BooleanClause;
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53 import org.apache.lucene.search.highlight.Formatter;
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54 import org.apache.lucene.search.highlight.Highlighter;
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55 import org.apache.lucene.search.highlight.InvalidTokenOffsetsException;
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56 import org.apache.lucene.search.highlight.NullFragmenter;
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57 import org.apache.lucene.search.highlight.QueryScorer;
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58 import org.apache.lucene.search.highlight.TokenGroup;
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59 import sane.lucene.queryparser.SaneQueryParser;
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60 import sane.lucene.queryparser.FieldParser;
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61 import sane.lucene.queryparser.MultiFieldParser;
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62 import sane.lucene.queryparser.StringFieldParser;
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63 import sane.lucene.queryparser.NumberFieldParser;
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64 import sane.lucene.queryparser.ParseException;
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65 import luan.modules.Utils;
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66 import luan.Luan;
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67 import luan.LuanState;
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68 import luan.LuanTable;
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69 import luan.LuanFunction;
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70 import luan.LuanException;
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71 import luan.LuanMeta;
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72 import luan.LuanRuntimeException;
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73 import org.slf4j.Logger;
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74 import org.slf4j.LoggerFactory;
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75
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76
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77 public final class LuceneIndex implements Closeable {
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78 private static final Logger logger = LoggerFactory.getLogger(LuceneIndex.class);
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79
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80 private static final String FLD_NEXT_ID = "nextId";
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81 public static final StringFieldParser STRING_FIELD_PARSER = new StringFieldParser(new KeywordAnalyzer());
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82
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83 private final ReentrantLock writeLock = new ReentrantLock();
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84 private final File indexDir;
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85 final SnapshotDeletionPolicy snapshotDeletionPolicy;
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86 private final IndexWriter writer;
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87 private DirectoryReader reader;
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88 private IndexSearcher searcher;
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89 private final ThreadLocal<IndexSearcher> threadLocalSearcher = new ThreadLocal<IndexSearcher>();
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90 private boolean isClosed = false;
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91 private final MultiFieldParser mfp;
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92 public final LuanTable indexed_only_fields = new LuanTable();
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93 private final Analyzer analyzer;
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94
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95 public LuceneIndex(LuanState luan,String indexDirStr,FieldParser defaultFieldParser,String[] defaultFields) throws LuanException, IOException {
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96 mfp = defaultFieldParser==null ? new MultiFieldParser() : new MultiFieldParser(defaultFieldParser,defaultFields);
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97 mfp.fields.put( "type", STRING_FIELD_PARSER );
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98 mfp.fields.put( "id", NumberFieldParser.LONG );
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99 File indexDir = new File(indexDirStr);
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100 this.indexDir = indexDir;
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101 Directory dir = FSDirectory.open(indexDir);
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102 Version version = Version.LUCENE_4_9;
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103 Analyzer analyzer = STRING_FIELD_PARSER.analyzer;
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104 if( defaultFieldParser instanceof StringFieldParser ) {
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105 StringFieldParser sfp = (StringFieldParser)defaultFieldParser;
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106 analyzer = sfp.analyzer;
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107 }
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108 this.analyzer = analyzer;
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109 IndexWriterConfig conf = new IndexWriterConfig(version,analyzer);
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110 snapshotDeletionPolicy = new SnapshotDeletionPolicy(conf.getIndexDeletionPolicy());
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111 conf.setIndexDeletionPolicy(snapshotDeletionPolicy);
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112 writer = new IndexWriter(dir,conf);
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113 writer.commit(); // commit index creation
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114 reader = DirectoryReader.open(dir);
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115 luan.onClose(this);
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116 searcher = new IndexSearcher(reader);
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117 initId();
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118 }
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119
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122 public void delete_all() throws IOException {
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123 boolean commit = !writeLock.isHeldByCurrentThread();
252
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diff changeset
124 writeLock.lock();
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diff changeset
125 try {
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diff changeset
126 writer.deleteAll();
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diff changeset
127 id = idLim = 0;
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128 if(commit) writer.commit();
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diff changeset
129 } finally {
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130 writeLock.unlock();
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131 }
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diff changeset
132 }
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133
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134 private static Term term(String key,long value) {
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diff changeset
135 BytesRef br = new BytesRef();
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diff changeset
136 NumericUtils.longToPrefixCoded(value,0,br);
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diff changeset
137 return new Term(key,br);
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diff changeset
138 }
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diff changeset
139
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diff changeset
140 public void delete(LuanState luan,String queryStr) throws LuanException, IOException, ParseException {
622
1a53333eb4d5 remove Lucene all_search_terms_must_match() since now query suffix "~a" handles this
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diff changeset
141 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
546
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diff changeset
142
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diff changeset
143 boolean commit = !writeLock.isHeldByCurrentThread();
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diff changeset
144 writeLock.lock();
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diff changeset
145 try {
547
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diff changeset
146 writer.deleteDocuments(query);
546
eaef1005ab87 general lucene cleanup
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diff changeset
147 if(commit) writer.commit();
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diff changeset
148 } finally {
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diff changeset
149 writeLock.unlock();
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150 }
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151 }
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diff changeset
152
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153 public void save(LuanState luan,LuanTable doc) throws LuanException, IOException {
618
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diff changeset
154 Set indexedOnlySet = new HashSet();
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155 Object typeObj = doc.get(luan,"type");
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diff changeset
156 if( typeObj==null )
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157 throw new LuanException("missing 'type' field");
618
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diff changeset
158 if( !(typeObj instanceof String) )
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diff changeset
159 throw new LuanException("type must be string");
618
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diff changeset
160 String type = (String)typeObj;
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parents: 617
diff changeset
161 Object indexedOnlyObj = indexed_only_fields.get(luan,type);
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parents: 617
diff changeset
162 if( indexedOnlyObj != null ) {
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parents: 617
diff changeset
163 if( !(indexedOnlyObj instanceof LuanTable) )
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diff changeset
164 throw new LuanException("indexed_only_fields elements must be tables");
618
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diff changeset
165 LuanTable indexedOnly = (LuanTable)indexedOnlyObj;
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parents: 617
diff changeset
166 for( Map.Entry<Object,Object> entry : indexedOnly.iterable(luan) ) {
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diff changeset
167 Object key = entry.getKey();
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parents: 617
diff changeset
168 if( !(key instanceof String) )
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diff changeset
169 throw new LuanException("indexed_only_fields."+type+" entries must be strings");
618
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diff changeset
170 String name = (String)key;
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parents: 617
diff changeset
171 Object value = entry.getValue();
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parents: 617
diff changeset
172 if( !(value instanceof LuanFunction) )
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parents: 624
diff changeset
173 throw new LuanException("indexed_only_fields."+type+" values must be functions");
618
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diff changeset
174 LuanFunction fn = (LuanFunction)value;
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parents: 617
diff changeset
175 value = Luan.first(fn.call(luan,new Object[]{doc}));
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parents: 617
diff changeset
176 doc.put(luan, name, value );
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parents: 617
diff changeset
177 indexedOnlySet.add(name);
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diff changeset
178 }
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diff changeset
179 }
601
d36027b41570 better error message
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parents: 599
diff changeset
180 Object obj = doc.get(luan,"id");
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parents: 599
diff changeset
181 Long id;
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parents: 599
diff changeset
182 try {
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parents: 599
diff changeset
183 id = (Long)obj;
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parents: 599
diff changeset
184 } catch(ClassCastException e) {
646
cdc70de628b5 simplify LuanException
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diff changeset
185 throw new LuanException("id should be Long but is "+obj.getClass().getSimpleName());
601
d36027b41570 better error message
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parents: 599
diff changeset
186 }
546
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diff changeset
187
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diff changeset
188 boolean commit = !writeLock.isHeldByCurrentThread();
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diff changeset
189 writeLock.lock();
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parents: 545
diff changeset
190 try {
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diff changeset
191 if( id == null ) {
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parents: 545
diff changeset
192 id = nextId(luan);
575
7c3ad6db8ac3 make LuanState.JAVA private
Franklin Schmidt <fschmidt@gmail.com>
parents: 574
diff changeset
193 doc.put(luan,"id",id);
618
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diff changeset
194 writer.addDocument(toLucene(luan,doc,indexedOnlySet));
546
eaef1005ab87 general lucene cleanup
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diff changeset
195 } else {
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
196 writer.updateDocument( term("id",id), toLucene(luan,doc,indexedOnlySet) );
546
eaef1005ab87 general lucene cleanup
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diff changeset
197 }
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diff changeset
198 if(commit) writer.commit();
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diff changeset
199 } finally {
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parents: 545
diff changeset
200 writeLock.unlock();
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parents: 545
diff changeset
201 }
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parents: 545
diff changeset
202 }
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parents: 545
diff changeset
203
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diff changeset
204 public void update_in_transaction(LuanState luan,LuanFunction fn) throws IOException, LuanException {
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parents: 545
diff changeset
205 boolean commit = !writeLock.isHeldByCurrentThread();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
206 writeLock.lock();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
207 try {
574
6cc2f047019b remove LuanState.call()
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parents: 572
diff changeset
208 fn.call(luan);
546
eaef1005ab87 general lucene cleanup
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diff changeset
209 if(commit) writer.commit();
252
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parents: 233
diff changeset
210 } finally {
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parents: 233
diff changeset
211 writeLock.unlock();
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parents: 233
diff changeset
212 }
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parents: 233
diff changeset
213 }
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parents: 233
diff changeset
214
230
4438cb2e04d0 start lucene
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parents:
diff changeset
215
4438cb2e04d0 start lucene
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parents:
diff changeset
216 private long id = 0;
4438cb2e04d0 start lucene
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parents:
diff changeset
217 private long idLim = 0;
4438cb2e04d0 start lucene
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parents:
diff changeset
218 private final int idBatch = 10;
4438cb2e04d0 start lucene
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parents:
diff changeset
219
646
cdc70de628b5 simplify LuanException
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parents: 624
diff changeset
220 private void initId() throws LuanException, IOException {
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
221 TopDocs td = searcher.search(new TermQuery(new Term("type","next_id")),1);
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
222 /*
547
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
223 // tmp hack
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
Franklin Schmidt <fschmidt@gmail.com>
parents: 546
diff changeset
224 if( td.totalHits == 0 ) {
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parents: 546
diff changeset
225 td = searcher.search(new TermQuery(new Term("type index","next_id")),1);
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
Franklin Schmidt <fschmidt@gmail.com>
parents: 546
diff changeset
226 if( td.totalHits == 1 ) {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 546
diff changeset
227 long idLim = (Long)searcher.doc(td.scoreDocs[0].doc).getField(FLD_NEXT_ID).numericValue();
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
228 LuanTable doc = new LuanTable();
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
229 doc.rawPut( "type", "next_id" );
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
230 doc.rawPut( FLD_NEXT_ID, idLim );
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parents: 546
diff changeset
231 writer.addDocument(toLucene(luan,doc));
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
232 writer.commit();
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
233 }
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
Franklin Schmidt <fschmidt@gmail.com>
parents: 546
diff changeset
234 }
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
235 */
230
4438cb2e04d0 start lucene
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parents:
diff changeset
236 switch(td.totalHits) {
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
237 case 0:
4438cb2e04d0 start lucene
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parents:
diff changeset
238 break; // do nothing
4438cb2e04d0 start lucene
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parents:
diff changeset
239 case 1:
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
240 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
241 id = idLim;
4438cb2e04d0 start lucene
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parents:
diff changeset
242 break;
4438cb2e04d0 start lucene
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parents:
diff changeset
243 default:
4438cb2e04d0 start lucene
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parents:
diff changeset
244 throw new RuntimeException();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
245 }
4438cb2e04d0 start lucene
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parents:
diff changeset
246 }
4438cb2e04d0 start lucene
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parents:
diff changeset
247
617
e54c1646eed0 add Lucene.next_id()
Franklin Schmidt <fschmidt@gmail.com>
parents: 601
diff changeset
248 public synchronized long nextId(LuanState luan) throws LuanException, IOException {
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
249 if( ++id > idLim ) {
233
ef39bc4d3f70 basic lucene works
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parents: 232
diff changeset
250 idLim += idBatch;
411
23b99a5039b5 remove Luan.newTable()
Franklin Schmidt <fschmidt@gmail.com>
parents: 312
diff changeset
251 LuanTable doc = new LuanTable();
427
dae264ad6a7b fix LuanTable.put() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 426
diff changeset
252 doc.rawPut( "type", "next_id" );
dae264ad6a7b fix LuanTable.put() to use metatables
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parents: 426
diff changeset
253 doc.rawPut( FLD_NEXT_ID, idLim );
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
254 writer.updateDocument(new Term("type","next_id"),toLucene(luan,doc,Collections.EMPTY_SET));
230
4438cb2e04d0 start lucene
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parents:
diff changeset
255 }
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
256 return id;
230
4438cb2e04d0 start lucene
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parents:
diff changeset
257 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
258
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
259
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
260 public void backup(String zipFile) throws LuanException, IOException {
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
261 if( !zipFile.endsWith(".zip") )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
262 throw new LuanException("file "+zipFile+" doesn't end with '.zip'");
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
263 IndexCommit ic = snapshotDeletionPolicy.snapshot();
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
264 try {
4438cb2e04d0 start lucene
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265 ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFile));
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266 for( String fileName : ic.getFileNames() ) {
230
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parents:
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267 out.putNextEntry(new ZipEntry(fileName));
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parents:
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268 FileInputStream in = new FileInputStream(new File(indexDir,fileName));
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parents:
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269 Utils.copyAll(in,out);
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270 in.close();
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271 out.closeEntry();
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272 }
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parents:
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273 out.close();
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274 } finally {
546
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diff changeset
275 snapshotDeletionPolicy.release(ic);
230
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276 }
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277 }
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278
4438cb2e04d0 start lucene
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279
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280
4438cb2e04d0 start lucene
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281 public String to_string() {
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282 return writer.getDirectory().toString();
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283 }
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284
303
fdb4bd391c28 add lucene close();
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diff changeset
285 public void close() throws IOException {
521
8a217fe5b4f3 cleaner LuanState.onClose()
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diff changeset
286 if( !isClosed ) {
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diff changeset
287 writer.close();
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diff changeset
288 reader.close();
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diff changeset
289 isClosed = true;
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290 }
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291 }
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292
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diff changeset
293 protected void finalize() throws Throwable {
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diff changeset
294 if( !isClosed ) {
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295 logger.error("not closed");
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296 close();
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297 }
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diff changeset
298 super.finalize();
230
4438cb2e04d0 start lucene
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299 }
4438cb2e04d0 start lucene
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300
312
d34be4588556 add lucene query parsing
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parents: 303
diff changeset
301
544
c5a93767cc5c lucene overhaul, untested
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302
545
ddcd4296107a clean up lucene search
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diff changeset
303 private static class DocFn extends LuanFunction {
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diff changeset
304 final IndexSearcher searcher;
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diff changeset
305 int docID;
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diff changeset
306
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diff changeset
307 DocFn(IndexSearcher searcher) {
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diff changeset
308 this.searcher = searcher;
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309 }
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diff changeset
310
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diff changeset
311 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
312 try {
646
cdc70de628b5 simplify LuanException
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parents: 624
diff changeset
313 return toTable(searcher.doc(docID));
545
ddcd4296107a clean up lucene search
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diff changeset
314 } catch(IOException e) {
646
cdc70de628b5 simplify LuanException
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diff changeset
315 throw new LuanException(e);
545
ddcd4296107a clean up lucene search
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diff changeset
316 }
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diff changeset
317 }
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diff changeset
318 }
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diff changeset
319
ddcd4296107a clean up lucene search
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diff changeset
320 private static abstract class MyCollector extends Collector {
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diff changeset
321 int docBase;
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diff changeset
322 int i = 0;
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diff changeset
323
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diff changeset
324 @Override public void setScorer(Scorer scorer) {}
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parents: 544
diff changeset
325 @Override public void setNextReader(AtomicReaderContext context) {
ddcd4296107a clean up lucene search
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diff changeset
326 this.docBase = context.docBase;
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diff changeset
327 }
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diff changeset
328 @Override public boolean acceptsDocsOutOfOrder() {
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diff changeset
329 return true;
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diff changeset
330 }
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331 }
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diff changeset
332
546
eaef1005ab87 general lucene cleanup
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diff changeset
333 private synchronized IndexSearcher openSearcher() throws IOException {
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parents: 545
diff changeset
334 DirectoryReader newReader = DirectoryReader.openIfChanged(reader);
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parents: 545
diff changeset
335 if( newReader != null ) {
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
336 reader.decRef();
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parents: 545
diff changeset
337 reader = newReader;
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
338 searcher = new IndexSearcher(reader);
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diff changeset
339 }
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
340 reader.incRef();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
341 return searcher;
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parents: 545
diff changeset
342 }
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
343
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
344 // call in finally block
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
345 private static void close(IndexSearcher searcher) throws IOException {
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
346 searcher.getIndexReader().decRef();
eaef1005ab87 general lucene cleanup
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diff changeset
347 }
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
348
591
790d5de23042 add "strict" param to Io.repr();
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parents: 578
diff changeset
349 public void ensure_open() throws IOException {
790d5de23042 add "strict" param to Io.repr();
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parents: 578
diff changeset
350 close(openSearcher());
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parents: 578
diff changeset
351 }
790d5de23042 add "strict" param to Io.repr();
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parents: 578
diff changeset
352
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
353 public int advanced_search( final LuanState luan, String queryStr, LuanFunction fn, Integer n, String sortStr ) throws LuanException, IOException, ParseException {
646
cdc70de628b5 simplify LuanException
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parents: 624
diff changeset
354 Utils.checkNotNull(queryStr);
622
1a53333eb4d5 remove Lucene all_search_terms_must_match() since now query suffix "~a" handles this
Franklin Schmidt <fschmidt@gmail.com>
parents: 621
diff changeset
355 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
356 IndexSearcher searcher = threadLocalSearcher.get();
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parents: 544
diff changeset
357 boolean inTransaction = searcher != null;
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
358 if( !inTransaction )
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parents: 544
diff changeset
359 searcher = openSearcher();
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
360 try {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
361 if( fn!=null && n==null ) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
362 if( sortStr != null )
646
cdc70de628b5 simplify LuanException
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parents: 624
diff changeset
363 throw new LuanException("sort must be nil when n is nil");
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
364 final DocFn docFn = new DocFn(searcher);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
365 MyCollector col = new MyCollector() {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
366 @Override public void collect(int doc) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
367 try {
547
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
Franklin Schmidt <fschmidt@gmail.com>
parents: 546
diff changeset
368 docFn.docID = docBase + doc;
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
369 fn.call(luan,new Object[]{++i,docFn});
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
370 } catch(LuanException e) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
371 throw new LuanRuntimeException(e);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
372 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
373 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
374 };
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
375 try {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
376 searcher.search(query,col);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
377 } catch(LuanRuntimeException e) {
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parents: 544
diff changeset
378 throw (LuanException)e.getCause();
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parents: 544
diff changeset
379 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
380 return col.i;
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
381 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
382 if( fn==null || n==0 ) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
383 TotalHitCountCollector thcc = new TotalHitCountCollector();
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parents: 544
diff changeset
384 searcher.search(query,thcc);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
385 return thcc.getTotalHits();
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parents: 544
diff changeset
386 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
387 Sort sort = sortStr==null ? null : SaneQueryParser.parseSort(mfp,sortStr);
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
388 TopDocs td = sort==null ? searcher.search(query,n) : searcher.search(query,n,sort);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
389 final ScoreDoc[] scoreDocs = td.scoreDocs;
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parents: 544
diff changeset
390 DocFn docFn = new DocFn(searcher);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
391 for( int i=0; i<scoreDocs.length; i++ ) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
392 docFn.docID = scoreDocs[i].doc;
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
393 fn.call(luan,new Object[]{i+1,docFn});
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
394 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
395 return td.totalHits;
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
396 } finally {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
397 if( !inTransaction )
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
398 close(searcher);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
399 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
400 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
401
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
402 public Object search_in_transaction(LuanState luan,LuanFunction fn) throws LuanException, IOException {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
403 if( threadLocalSearcher.get() != null )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
404 throw new LuanException("can't nest search_in_transaction calls");
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
405 IndexSearcher searcher = openSearcher();
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
406 threadLocalSearcher.set(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
407 try {
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
408 return fn.call(luan);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
409 } finally {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
410 threadLocalSearcher.set(null);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
411 close(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
412 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
413 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
414
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
415
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
416
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
417 public final LuanMeta indexedFieldsMeta = new LuanMeta() {
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
418
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
419 @Override public boolean canNewindex() {
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
420 return true;
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
421 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
422
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
423 @Override public Object __index(LuanState luan,LuanTable tbl,Object key) {
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
424 return mfp.fields.get(key);
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
425 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
426
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
427 @Override public void __new_index(LuanState luan,LuanTable tbl,Object key,Object value) throws LuanException {
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
428 if( !(key instanceof String) )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
429 throw new LuanException("key must be string");
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
430 String field = (String)key;
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
431 if( value==null ) { // delete
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
432 mfp.fields.remove(field);
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
433 return;
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
434 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
435 if( !(value instanceof FieldParser) )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
436 throw new LuanException("value must be FieldParser like the values of Lucene.type");
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
437 FieldParser parser = (FieldParser)value;
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
438 mfp.fields.put( field, parser );
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
439 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
440
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
441 @Override public final Iterator keys(LuanTable tbl) {
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
442 return mfp.fields.keySet().iterator();
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
443 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
444
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
445 @Override protected String type(LuanTable tbl) {
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
446 return "lucene-indexed-fields";
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
447 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
448
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
449 };
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
450
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
451
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
452
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
453 private IndexableField newField(String name,Object value,Field.Store store,Set<String> indexed)
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
454 throws LuanException
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
455 {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
456 if( value instanceof String ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
457 String s = (String)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
458 FieldParser fp = mfp.fields.get(name);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
459 if( fp != null ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
460 if( fp instanceof StringFieldParser && fp != STRING_FIELD_PARSER ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
461 return new TextField(name, s, store);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
462 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
463 return new StringField(name, s, store);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
464 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
465 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
466 return new StoredField(name, s);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
467 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
468 } else if( value instanceof Integer ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
469 int i = (Integer)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
470 if( indexed.contains(name) ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
471 return new IntField(name, i, store);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
472 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
473 return new StoredField(name, i);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
474 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
475 } else if( value instanceof Long ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
476 long i = (Long)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
477 if( indexed.contains(name) ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
478 return new LongField(name, i, store);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
479 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
480 return new StoredField(name, i);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
481 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
482 } else if( value instanceof Double ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
483 double i = (Double)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
484 if( indexed.contains(name) ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
485 return new DoubleField(name, i, store);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
486 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
487 return new StoredField(name, i);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
488 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
489 } else if( value instanceof byte[] ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
490 byte[] b = (byte[])value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
491 return new StoredField(name, b);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
492 } else
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
493 throw new LuanException("invalid value type "+value.getClass()+"' for '"+name+"'");
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
494 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
495
618
5e495e4e560b add lucene indexed_only_fields
Franklin Schmidt <fschmidt@gmail.com>
parents: 617
diff changeset
496 private Document toLucene(LuanState luan,LuanTable table,Set indexOnly) throws LuanException {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
497 Set<String> indexed = mfp.fields.keySet();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
498 Document doc = new Document();
575
7c3ad6db8ac3 make LuanState.JAVA private
Franklin Schmidt <fschmidt@gmail.com>
parents: 574
diff changeset
499 for( Map.Entry<Object,Object> entry : table.iterable(luan) ) {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
500 Object key = entry.getKey();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
501 if( !(key instanceof String) )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
502 throw new LuanException("key must be string");
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
503 String name = (String)key;
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
504 Object value = entry.getValue();
618
5e495e4e560b add lucene indexed_only_fields
Franklin Schmidt <fschmidt@gmail.com>
parents: 617
diff changeset
505 Field.Store store = indexOnly.contains(name) ? Field.Store.NO : Field.Store.YES;
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
506 if( !(value instanceof LuanTable) ) {
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
507 doc.add(newField(name, value, store, indexed));
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
508 } else { // list
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
509 LuanTable list = (LuanTable)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
510 for( Object el : list.asList() ) {
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
511 doc.add(newField(name, el, store, indexed));
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
512 }
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
513 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
514 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
515 return doc;
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
516 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
517
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
518 private static Object getValue(IndexableField ifld) throws LuanException {
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
519 BytesRef br = ifld.binaryValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
520 if( br != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
521 return br.bytes;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
522 Number n = ifld.numericValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
523 if( n != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
524 return n;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
525 String s = ifld.stringValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
526 if( s != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
527 return s;
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
528 throw new LuanException("invalid field type for "+ifld);
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
529 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
530
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
531 private static LuanTable toTable(Document doc) throws LuanException {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
532 if( doc==null )
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
533 return null;
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
534 LuanTable table = new LuanTable();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
535 for( IndexableField ifld : doc ) {
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
536 String name = ifld.name();
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
537 Object value = getValue(ifld);
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
538 Object old = table.rawGet(name);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
539 if( old == null ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
540 table.rawPut(name,value);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
541 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
542 LuanTable list;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
543 if( old instanceof LuanTable ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
544 list = (LuanTable)old;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
545 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
546 list = new LuanTable();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
547 list.rawPut(1,old);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
548 table.rawPut(name,list);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
549 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
550 list.rawPut(list.rawLength()+1,value);
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
551 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
552 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
553 return table;
312
d34be4588556 add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 303
diff changeset
554 }
d34be4588556 add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 303
diff changeset
555
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
556
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
557 public LuanFunction highlighter(LuanState luan,String queryStr,LuanFunction formatter) throws ParseException {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
558 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
559 Formatter fmt = new Formatter() {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
560 public String highlightTerm(String originalText,TokenGroup tokenGroup) {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
561 if( tokenGroup.getTotalScore() <= 0 )
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
562 return originalText;
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
563 try {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
564 return (String)Luan.first(formatter.call(luan,new Object[]{originalText}));
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
565 } catch(LuanException e) {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
566 throw new LuanRuntimeException(e);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
567 }
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
568 }
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
569 };
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
570 Highlighter hl = new Highlighter( fmt, new QueryScorer(query) );
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
571 hl.setTextFragmenter( new NullFragmenter() );
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
572 return new LuanFunction() {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
573 @Override public String call(LuanState luan,Object[] args) throws LuanException {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
574 String text = (String)args[0];
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
575 try {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
576 String s = hl.getBestFragment(analyzer,null,text);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
577 return s!=null ? s : text;
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
578 } catch(LuanRuntimeException e) {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
579 throw (LuanException)e.getCause();
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
580 } catch(IOException e) {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
581 throw new RuntimeException(e);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
582 } catch(InvalidTokenOffsetsException e) {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
583 throw new RuntimeException(e);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
584 }
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
585 }
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
586 };
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
587 }
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
588 }