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annotate lucene/src/luan/modules/lucene/LuceneIndex.java @ 622:1a53333eb4d5

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remove Lucene all_search_terms_must_match() since now query suffix "~a" handles this
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 07 Jan 2016 03:06:52 -0700
parents fd15da41afca
children 8281a248c47e
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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 sane.lucene.queryparser.SaneQueryParser;
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54 import sane.lucene.queryparser.FieldParser;
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55 import sane.lucene.queryparser.MultiFieldParser;
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56 import sane.lucene.queryparser.StringFieldParser;
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57 import sane.lucene.queryparser.NumberFieldParser;
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58 import sane.lucene.queryparser.ParseException;
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59 import luan.modules.Utils;
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60 import luan.Luan;
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61 import luan.LuanState;
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62 import luan.LuanTable;
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63 import luan.LuanFunction;
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64 import luan.LuanJavaFunction;
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65 import luan.LuanException;
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66 import luan.LuanMeta;
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67 import luan.LuanRuntimeException;
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68 import org.slf4j.Logger;
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69 import org.slf4j.LoggerFactory;
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70
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71
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72 public final class LuceneIndex implements Closeable {
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73 private static final Logger logger = LoggerFactory.getLogger(LuceneIndex.class);
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74
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75 private static final String FLD_NEXT_ID = "nextId";
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76 public static final StringFieldParser STRING_FIELD_PARSER = new StringFieldParser(new KeywordAnalyzer());
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77
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78 private final ReentrantLock writeLock = new ReentrantLock();
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79 private final File indexDir;
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80 final SnapshotDeletionPolicy snapshotDeletionPolicy;
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81 private final IndexWriter writer;
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82 private DirectoryReader reader;
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83 private IndexSearcher searcher;
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84 private final ThreadLocal<IndexSearcher> threadLocalSearcher = new ThreadLocal<IndexSearcher>();
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85 private boolean isClosed = false;
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86 private final MultiFieldParser mfp;
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87 public final LuanTable indexed_only_fields = new LuanTable();
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88
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89 public LuceneIndex(LuanState luan,String indexDirStr,FieldParser defaultFieldParser,String[] defaultFields) throws LuanException, IOException {
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90 mfp = defaultFieldParser==null ? new MultiFieldParser() : new MultiFieldParser(defaultFieldParser,defaultFields);
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91 mfp.fields.put( "type", STRING_FIELD_PARSER );
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92 mfp.fields.put( "id", NumberFieldParser.LONG );
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93 File indexDir = new File(indexDirStr);
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94 this.indexDir = indexDir;
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95 Directory dir = FSDirectory.open(indexDir);
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96 Version version = Version.LUCENE_4_9;
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97 Analyzer analyzer = STRING_FIELD_PARSER.analyzer;
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98 if( defaultFieldParser instanceof StringFieldParser ) {
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99 StringFieldParser sfp = (StringFieldParser)defaultFieldParser;
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100 analyzer = sfp.analyzer;
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101 }
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102 IndexWriterConfig conf = new IndexWriterConfig(version,analyzer);
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103 snapshotDeletionPolicy = new SnapshotDeletionPolicy(conf.getIndexDeletionPolicy());
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104 conf.setIndexDeletionPolicy(snapshotDeletionPolicy);
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105 writer = new IndexWriter(dir,conf);
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106 writer.commit(); // commit index creation
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107 reader = DirectoryReader.open(dir);
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108 luan.onClose(this);
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109 searcher = new IndexSearcher(reader);
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110 initId(luan);
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111 }
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112
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114
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115 public void delete_all() throws IOException {
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116 boolean commit = !writeLock.isHeldByCurrentThread();
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117 writeLock.lock();
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118 try {
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119 writer.deleteAll();
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120 id = idLim = 0;
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121 if(commit) writer.commit();
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122 } finally {
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123 writeLock.unlock();
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124 }
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125 }
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126
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diff changeset
127 private static Term term(String key,long value) {
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diff changeset
128 BytesRef br = new BytesRef();
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129 NumericUtils.longToPrefixCoded(value,0,br);
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130 return new Term(key,br);
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131 }
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132
547
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diff changeset
133 public void delete(LuanState luan,String queryStr) throws LuanException, IOException, ParseException {
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1a53333eb4d5 remove Lucene all_search_terms_must_match() since now query suffix "~a" handles this
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134 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
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135
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diff changeset
136 boolean commit = !writeLock.isHeldByCurrentThread();
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diff changeset
137 writeLock.lock();
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diff changeset
138 try {
547
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diff changeset
139 writer.deleteDocuments(query);
546
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140 if(commit) writer.commit();
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diff changeset
141 } finally {
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diff changeset
142 writeLock.unlock();
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diff changeset
143 }
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diff changeset
144 }
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diff changeset
145
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146 public void save(LuanState luan,LuanTable doc) throws LuanException, IOException {
618
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147 Set indexedOnlySet = new HashSet();
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148 Object typeObj = doc.get(luan,"type");
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diff changeset
149 if( typeObj==null )
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diff changeset
150 throw new LuanException(luan,"missing 'type' field");
618
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diff changeset
151 if( !(typeObj instanceof String) )
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152 throw new LuanException(luan,"type must be string");
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153 String type = (String)typeObj;
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154 Object indexedOnlyObj = indexed_only_fields.get(luan,type);
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diff changeset
155 if( indexedOnlyObj != null ) {
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156 if( !(indexedOnlyObj instanceof LuanTable) )
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diff changeset
157 throw new LuanException(luan,"indexed_only_fields elements must be tables");
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diff changeset
158 LuanTable indexedOnly = (LuanTable)indexedOnlyObj;
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parents: 617
diff changeset
159 for( Map.Entry<Object,Object> entry : indexedOnly.iterable(luan) ) {
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diff changeset
160 Object key = entry.getKey();
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161 if( !(key instanceof String) )
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diff changeset
162 throw new LuanException(luan,"indexed_only_fields."+type+" entries must be strings");
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diff changeset
163 String name = (String)key;
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parents: 617
diff changeset
164 Object value = entry.getValue();
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parents: 617
diff changeset
165 if( !(value instanceof LuanFunction) )
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diff changeset
166 throw new LuanException(luan,"indexed_only_fields."+type+" values must be functions");
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diff changeset
167 LuanFunction fn = (LuanFunction)value;
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diff changeset
168 value = Luan.first(fn.call(luan,new Object[]{doc}));
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diff changeset
169 doc.put(luan, name, value );
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170 indexedOnlySet.add(name);
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171 }
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diff changeset
172 }
601
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parents: 599
diff changeset
173 Object obj = doc.get(luan,"id");
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parents: 599
diff changeset
174 Long id;
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parents: 599
diff changeset
175 try {
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diff changeset
176 id = (Long)obj;
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parents: 599
diff changeset
177 } catch(ClassCastException e) {
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diff changeset
178 throw new LuanException(luan,"id should be Long but is "+obj.getClass().getSimpleName());
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parents: 599
diff changeset
179 }
546
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diff changeset
180
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diff changeset
181 boolean commit = !writeLock.isHeldByCurrentThread();
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diff changeset
182 writeLock.lock();
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diff changeset
183 try {
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diff changeset
184 if( id == null ) {
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diff changeset
185 id = nextId(luan);
575
7c3ad6db8ac3 make LuanState.JAVA private
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parents: 574
diff changeset
186 doc.put(luan,"id",id);
618
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diff changeset
187 writer.addDocument(toLucene(luan,doc,indexedOnlySet));
546
eaef1005ab87 general lucene cleanup
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diff changeset
188 } else {
618
5e495e4e560b add lucene indexed_only_fields
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diff changeset
189 writer.updateDocument( term("id",id), toLucene(luan,doc,indexedOnlySet) );
546
eaef1005ab87 general lucene cleanup
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diff changeset
190 }
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diff changeset
191 if(commit) writer.commit();
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diff changeset
192 } finally {
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diff changeset
193 writeLock.unlock();
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diff changeset
194 }
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diff changeset
195 }
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diff changeset
196
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diff changeset
197 public void update_in_transaction(LuanState luan,LuanFunction fn) throws IOException, LuanException {
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diff changeset
198 boolean commit = !writeLock.isHeldByCurrentThread();
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diff changeset
199 writeLock.lock();
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diff changeset
200 try {
574
6cc2f047019b remove LuanState.call()
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parents: 572
diff changeset
201 fn.call(luan);
546
eaef1005ab87 general lucene cleanup
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diff changeset
202 if(commit) writer.commit();
252
3896138955b1 web testing...
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parents: 233
diff changeset
203 } finally {
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parents: 233
diff changeset
204 writeLock.unlock();
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parents: 233
diff changeset
205 }
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parents: 233
diff changeset
206 }
3896138955b1 web testing...
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parents: 233
diff changeset
207
230
4438cb2e04d0 start lucene
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parents:
diff changeset
208
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parents:
diff changeset
209 private long id = 0;
4438cb2e04d0 start lucene
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parents:
diff changeset
210 private long idLim = 0;
4438cb2e04d0 start lucene
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parents:
diff changeset
211 private final int idBatch = 10;
4438cb2e04d0 start lucene
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parents:
diff changeset
212
233
ef39bc4d3f70 basic lucene works
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parents: 232
diff changeset
213 private void initId(LuanState luan) throws LuanException, IOException {
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
214 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
215 /*
547
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
216 // tmp hack
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parents: 546
diff changeset
217 if( td.totalHits == 0 ) {
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parents: 546
diff changeset
218 td = searcher.search(new TermQuery(new Term("type index","next_id")),1);
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parents: 546
diff changeset
219 if( td.totalHits == 1 ) {
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parents: 546
diff changeset
220 long idLim = (Long)searcher.doc(td.scoreDocs[0].doc).getField(FLD_NEXT_ID).numericValue();
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parents: 546
diff changeset
221 LuanTable doc = new LuanTable();
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Franklin Schmidt <fschmidt@gmail.com>
parents: 546
diff changeset
222 doc.rawPut( "type", "next_id" );
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parents: 546
diff changeset
223 doc.rawPut( FLD_NEXT_ID, idLim );
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parents: 546
diff changeset
224 writer.addDocument(toLucene(luan,doc));
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parents: 546
diff changeset
225 writer.commit();
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parents: 546
diff changeset
226 }
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
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parents: 546
diff changeset
227 }
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
228 */
230
4438cb2e04d0 start lucene
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parents:
diff changeset
229 switch(td.totalHits) {
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
230 case 0:
4438cb2e04d0 start lucene
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parents:
diff changeset
231 break; // do nothing
4438cb2e04d0 start lucene
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parents:
diff changeset
232 case 1:
544
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diff changeset
233 idLim = (Long)searcher.doc(td.scoreDocs[0].doc).getField(FLD_NEXT_ID).numericValue();
230
4438cb2e04d0 start lucene
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parents:
diff changeset
234 id = idLim;
4438cb2e04d0 start lucene
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parents:
diff changeset
235 break;
4438cb2e04d0 start lucene
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parents:
diff changeset
236 default:
4438cb2e04d0 start lucene
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parents:
diff changeset
237 throw new RuntimeException();
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parents:
diff changeset
238 }
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parents:
diff changeset
239 }
4438cb2e04d0 start lucene
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parents:
diff changeset
240
617
e54c1646eed0 add Lucene.next_id()
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parents: 601
diff changeset
241 public synchronized long nextId(LuanState luan) throws LuanException, IOException {
544
c5a93767cc5c lucene overhaul, untested
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diff changeset
242 if( ++id > idLim ) {
233
ef39bc4d3f70 basic lucene works
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parents: 232
diff changeset
243 idLim += idBatch;
411
23b99a5039b5 remove Luan.newTable()
Franklin Schmidt <fschmidt@gmail.com>
parents: 312
diff changeset
244 LuanTable doc = new LuanTable();
427
dae264ad6a7b fix LuanTable.put() to use metatables
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parents: 426
diff changeset
245 doc.rawPut( "type", "next_id" );
dae264ad6a7b fix LuanTable.put() to use metatables
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parents: 426
diff changeset
246 doc.rawPut( FLD_NEXT_ID, idLim );
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
247 writer.updateDocument(new Term("type","next_id"),toLucene(luan,doc,Collections.EMPTY_SET));
230
4438cb2e04d0 start lucene
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parents:
diff changeset
248 }
544
c5a93767cc5c lucene overhaul, untested
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diff changeset
249 return id;
230
4438cb2e04d0 start lucene
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parents:
diff changeset
250 }
4438cb2e04d0 start lucene
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parents:
diff changeset
251
4438cb2e04d0 start lucene
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parents:
diff changeset
252
233
ef39bc4d3f70 basic lucene works
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parents: 232
diff changeset
253 public void backup(LuanState luan,String zipFile) throws LuanException, IOException {
230
4438cb2e04d0 start lucene
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parents:
diff changeset
254 if( !zipFile.endsWith(".zip") )
578
60c549d43988 remove LuanState.exception()
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parents: 575
diff changeset
255 throw new LuanException(luan,"file "+zipFile+" doesn't end with '.zip'");
546
eaef1005ab87 general lucene cleanup
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diff changeset
256 IndexCommit ic = snapshotDeletionPolicy.snapshot();
230
4438cb2e04d0 start lucene
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parents:
diff changeset
257 try {
4438cb2e04d0 start lucene
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parents:
diff changeset
258 ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFile));
546
eaef1005ab87 general lucene cleanup
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diff changeset
259 for( String fileName : ic.getFileNames() ) {
230
4438cb2e04d0 start lucene
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parents:
diff changeset
260 out.putNextEntry(new ZipEntry(fileName));
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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261 FileInputStream in = new FileInputStream(new File(indexDir,fileName));
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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262 Utils.copyAll(in,out);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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263 in.close();
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parents:
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264 out.closeEntry();
4438cb2e04d0 start lucene
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parents:
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265 }
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parents:
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266 out.close();
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parents:
diff changeset
267 } finally {
546
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diff changeset
268 snapshotDeletionPolicy.release(ic);
230
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269 }
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270 }
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271
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272
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273
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274 public String to_string() {
4438cb2e04d0 start lucene
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275 return writer.getDirectory().toString();
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276 }
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277
303
fdb4bd391c28 add lucene close();
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diff changeset
278 public void close() throws IOException {
521
8a217fe5b4f3 cleaner LuanState.onClose()
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diff changeset
279 if( !isClosed ) {
8a217fe5b4f3 cleaner LuanState.onClose()
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diff changeset
280 writer.close();
8a217fe5b4f3 cleaner LuanState.onClose()
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diff changeset
281 reader.close();
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diff changeset
282 isClosed = true;
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283 }
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284 }
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285
8a217fe5b4f3 cleaner LuanState.onClose()
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diff changeset
286 protected void finalize() throws Throwable {
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diff changeset
287 if( !isClosed ) {
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diff changeset
288 logger.error("not closed");
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289 close();
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diff changeset
290 }
8a217fe5b4f3 cleaner LuanState.onClose()
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parents: 427
diff changeset
291 super.finalize();
230
4438cb2e04d0 start lucene
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292 }
4438cb2e04d0 start lucene
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293
312
d34be4588556 add lucene query parsing
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diff changeset
294
544
c5a93767cc5c lucene overhaul, untested
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295
545
ddcd4296107a clean up lucene search
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diff changeset
296 private static class DocFn extends LuanFunction {
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297 final IndexSearcher searcher;
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diff changeset
298 int docID;
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299
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diff changeset
300 DocFn(IndexSearcher searcher) {
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diff changeset
301 this.searcher = searcher;
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302 }
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303
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diff changeset
304 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
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diff changeset
305 try {
546
eaef1005ab87 general lucene cleanup
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diff changeset
306 return toTable(luan,searcher.doc(docID));
545
ddcd4296107a clean up lucene search
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diff changeset
307 } catch(IOException e) {
578
60c549d43988 remove LuanState.exception()
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diff changeset
308 throw new LuanException(luan,e);
545
ddcd4296107a clean up lucene search
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diff changeset
309 }
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diff changeset
310 }
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diff changeset
311 }
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diff changeset
312
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diff changeset
313 private static abstract class MyCollector extends Collector {
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diff changeset
314 int docBase;
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diff changeset
315 int i = 0;
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diff changeset
316
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diff changeset
317 @Override public void setScorer(Scorer scorer) {}
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parents: 544
diff changeset
318 @Override public void setNextReader(AtomicReaderContext context) {
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diff changeset
319 this.docBase = context.docBase;
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diff changeset
320 }
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diff changeset
321 @Override public boolean acceptsDocsOutOfOrder() {
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diff changeset
322 return true;
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diff changeset
323 }
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diff changeset
324 }
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diff changeset
325
546
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diff changeset
326 private synchronized IndexSearcher openSearcher() throws IOException {
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parents: 545
diff changeset
327 DirectoryReader newReader = DirectoryReader.openIfChanged(reader);
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parents: 545
diff changeset
328 if( newReader != null ) {
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diff changeset
329 reader.decRef();
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diff changeset
330 reader = newReader;
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diff changeset
331 searcher = new IndexSearcher(reader);
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diff changeset
332 }
eaef1005ab87 general lucene cleanup
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diff changeset
333 reader.incRef();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
334 return searcher;
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parents: 545
diff changeset
335 }
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
336
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
337 // call in finally block
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
338 private static void close(IndexSearcher searcher) throws IOException {
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
339 searcher.getIndexReader().decRef();
eaef1005ab87 general lucene cleanup
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diff changeset
340 }
eaef1005ab87 general lucene cleanup
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diff changeset
341
591
790d5de23042 add "strict" param to Io.repr();
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parents: 578
diff changeset
342 public void ensure_open() throws IOException {
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
343 close(openSearcher());
790d5de23042 add "strict" param to Io.repr();
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parents: 578
diff changeset
344 }
790d5de23042 add "strict" param to Io.repr();
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parents: 578
diff changeset
345
545
ddcd4296107a clean up lucene search
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diff changeset
346 public int advanced_search( final LuanState luan, String queryStr, LuanFunction fn, Integer n, String sortStr ) throws LuanException, IOException, ParseException {
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parents: 544
diff changeset
347 Utils.checkNotNull(luan,queryStr);
622
1a53333eb4d5 remove Lucene all_search_terms_must_match() since now query suffix "~a" handles this
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parents: 621
diff changeset
348 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
349 IndexSearcher searcher = threadLocalSearcher.get();
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parents: 544
diff changeset
350 boolean inTransaction = searcher != null;
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parents: 544
diff changeset
351 if( !inTransaction )
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parents: 544
diff changeset
352 searcher = openSearcher();
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
353 try {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
354 if( fn!=null && n==null ) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
355 if( sortStr != null )
578
60c549d43988 remove LuanState.exception()
Franklin Schmidt <fschmidt@gmail.com>
parents: 575
diff changeset
356 throw new LuanException(luan,"sort must be nil when n is nil");
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
357 final DocFn docFn = new DocFn(searcher);
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parents: 544
diff changeset
358 MyCollector col = new MyCollector() {
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parents: 544
diff changeset
359 @Override public void collect(int doc) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
360 try {
547
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
Franklin Schmidt <fschmidt@gmail.com>
parents: 546
diff changeset
361 docFn.docID = docBase + doc;
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
362 fn.call(luan,new Object[]{++i,docFn});
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
363 } catch(LuanException e) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
364 throw new LuanRuntimeException(e);
ddcd4296107a clean up lucene search
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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 };
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
368 try {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
369 searcher.search(query,col);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
370 } catch(LuanRuntimeException e) {
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parents: 544
diff changeset
371 throw (LuanException)e.getCause();
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parents: 544
diff changeset
372 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
373 return col.i;
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 if( fn==null || n==0 ) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
376 TotalHitCountCollector thcc = new TotalHitCountCollector();
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parents: 544
diff changeset
377 searcher.search(query,thcc);
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parents: 544
diff changeset
378 return thcc.getTotalHits();
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
379 }
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
380 Sort sort = sortStr==null ? null : SaneQueryParser.parseSort(mfp,sortStr);
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
381 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
382 final ScoreDoc[] scoreDocs = td.scoreDocs;
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
383 DocFn docFn = new DocFn(searcher);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
384 for( int i=0; i<scoreDocs.length; i++ ) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
385 docFn.docID = scoreDocs[i].doc;
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
386 fn.call(luan,new Object[]{i+1,docFn});
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
387 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
388 return td.totalHits;
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
389 } finally {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
390 if( !inTransaction )
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
391 close(searcher);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
392 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
393 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
394
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
395 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
396 if( threadLocalSearcher.get() != null )
578
60c549d43988 remove LuanState.exception()
Franklin Schmidt <fschmidt@gmail.com>
parents: 575
diff changeset
397 throw new LuanException(luan,"can't nest search_in_transaction calls");
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
398 IndexSearcher searcher = openSearcher();
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
399 threadLocalSearcher.set(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
400 try {
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
401 return fn.call(luan);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
402 } finally {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
403 threadLocalSearcher.set(null);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
404 close(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
405 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
406 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
407
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
408
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
409
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
410 public final LuanMeta indexedFieldsMeta = new LuanMeta() {
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
411
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
412 @Override public boolean canNewindex() {
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
413 return true;
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
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
416 @Override public Object __index(LuanState luan,LuanTable tbl,Object key) {
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
417 return mfp.fields.get(key);
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418 }
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diff changeset
419
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diff changeset
420 @Override public void __new_index(LuanState luan,LuanTable tbl,Object key,Object value) throws LuanException {
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diff changeset
421 if( !(key instanceof String) )
578
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diff changeset
422 throw new LuanException(luan,"key must be string");
544
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423 String field = (String)key;
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diff changeset
424 if( value==null ) { // delete
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diff changeset
425 mfp.fields.remove(field);
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diff changeset
426 return;
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diff changeset
427 }
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diff changeset
428 if( !(value instanceof FieldParser) )
578
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diff changeset
429 throw new LuanException(luan,"value must be FieldParser like the values of Lucene.type");
544
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diff changeset
430 FieldParser parser = (FieldParser)value;
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diff changeset
431 mfp.fields.put( field, parser );
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diff changeset
432 }
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diff changeset
433
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diff changeset
434 @Override public final Iterator keys(LuanTable tbl) {
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diff changeset
435 return mfp.fields.keySet().iterator();
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
436 }
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
437
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diff changeset
438 @Override protected String type(LuanTable tbl) {
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
439 return "lucene-indexed-fields";
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
440 }
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
441
c5a93767cc5c lucene overhaul, untested
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diff changeset
442 };
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
443
546
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parents: 545
diff changeset
444
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parents: 545
diff changeset
445
621
fd15da41afca allow list of values to be stored in lucene
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diff changeset
446 private IndexableField newField(LuanState luan,String name,Object value,Field.Store store,Set<String> indexed)
fd15da41afca allow list of values to be stored in lucene
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diff changeset
447 throws LuanException
fd15da41afca allow list of values to be stored in lucene
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parents: 620
diff changeset
448 {
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diff changeset
449 if( value instanceof String ) {
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diff changeset
450 String s = (String)value;
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parents: 620
diff changeset
451 FieldParser fp = mfp.fields.get(name);
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parents: 620
diff changeset
452 if( fp != null ) {
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parents: 620
diff changeset
453 if( fp instanceof StringFieldParser && fp != STRING_FIELD_PARSER ) {
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parents: 620
diff changeset
454 return new TextField(name, s, store);
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parents: 620
diff changeset
455 } else {
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parents: 620
diff changeset
456 return new StringField(name, s, store);
fd15da41afca allow list of values to be stored in lucene
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parents: 620
diff changeset
457 }
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parents: 620
diff changeset
458 } else {
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parents: 620
diff changeset
459 return new StoredField(name, s);
fd15da41afca allow list of values to be stored in lucene
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parents: 620
diff changeset
460 }
fd15da41afca allow list of values to be stored in lucene
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parents: 620
diff changeset
461 } else if( value instanceof Integer ) {
fd15da41afca allow list of values to be stored in lucene
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diff changeset
462 int i = (Integer)value;
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parents: 620
diff changeset
463 if( indexed.contains(name) ) {
fd15da41afca allow list of values to be stored in lucene
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diff changeset
464 return new IntField(name, i, store);
fd15da41afca allow list of values to be stored in lucene
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diff changeset
465 } else {
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diff changeset
466 return new StoredField(name, i);
fd15da41afca allow list of values to be stored in lucene
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parents: 620
diff changeset
467 }
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diff changeset
468 } else if( value instanceof Long ) {
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diff changeset
469 long i = (Long)value;
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diff changeset
470 if( indexed.contains(name) ) {
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diff changeset
471 return new LongField(name, i, store);
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diff changeset
472 } else {
fd15da41afca allow list of values to be stored in lucene
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diff changeset
473 return new StoredField(name, i);
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diff changeset
474 }
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diff changeset
475 } else if( value instanceof Double ) {
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diff changeset
476 double i = (Double)value;
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parents: 620
diff changeset
477 if( indexed.contains(name) ) {
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parents: 620
diff changeset
478 return new DoubleField(name, i, store);
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parents: 620
diff changeset
479 } else {
fd15da41afca allow list of values to be stored in lucene
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diff changeset
480 return new StoredField(name, i);
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diff changeset
481 }
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diff changeset
482 } else if( value instanceof byte[] ) {
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parents: 620
diff changeset
483 byte[] b = (byte[])value;
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parents: 620
diff changeset
484 return new StoredField(name, b);
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parents: 620
diff changeset
485 } else
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parents: 620
diff changeset
486 throw new LuanException(luan,"invalid value type "+value.getClass()+"' for '"+name+"'");
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diff changeset
487 }
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
488
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
489 private Document toLucene(LuanState luan,LuanTable table,Set indexOnly) throws LuanException {
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
490 Set<String> indexed = mfp.fields.keySet();
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parents: 545
diff changeset
491 Document doc = new Document();
575
7c3ad6db8ac3 make LuanState.JAVA private
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parents: 574
diff changeset
492 for( Map.Entry<Object,Object> entry : table.iterable(luan) ) {
546
eaef1005ab87 general lucene cleanup
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diff changeset
493 Object key = entry.getKey();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
494 if( !(key instanceof String) )
578
60c549d43988 remove LuanState.exception()
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parents: 575
diff changeset
495 throw new LuanException(luan,"key must be string");
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
496 String name = (String)key;
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parents: 545
diff changeset
497 Object value = entry.getValue();
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
498 Field.Store store = indexOnly.contains(name) ? Field.Store.NO : Field.Store.YES;
621
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parents: 620
diff changeset
499 if( !(value instanceof LuanTable) ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
500 doc.add(newField(luan, name, value, store, indexed));
fd15da41afca allow list of values to be stored in lucene
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parents: 620
diff changeset
501 } else { // list
fd15da41afca allow list of values to be stored in lucene
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parents: 620
diff changeset
502 LuanTable list = (LuanTable)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
503 for( Object el : list.asList() ) {
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parents: 620
diff changeset
504 doc.add(newField(luan, name, el, store, indexed));
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
505 }
621
fd15da41afca allow list of values to be stored in lucene
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parents: 620
diff changeset
506 }
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
507 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
508 return doc;
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
509 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
510
621
fd15da41afca allow list of values to be stored in lucene
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parents: 620
diff changeset
511 private static Object getValue(LuanState luan,IndexableField ifld) throws LuanException {
fd15da41afca allow list of values to be stored in lucene
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parents: 620
diff changeset
512 BytesRef br = ifld.binaryValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
513 if( br != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
514 return br.bytes;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
515 Number n = ifld.numericValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
516 if( n != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
517 return n;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
518 String s = ifld.stringValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
519 if( s != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
520 return s;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
521 throw new LuanException(luan,"invalid field type for "+ifld);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
522 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
523
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
524 private static LuanTable toTable(LuanState luan,Document doc) throws LuanException {
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
525 if( doc==null )
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
526 return null;
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
527 LuanTable table = new LuanTable();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
528 for( IndexableField ifld : doc ) {
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
529 String name = ifld.name();
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
530 Object value = getValue(luan,ifld);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
531 Object old = table.rawGet(name);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
532 if( old == null ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
533 table.rawPut(name,value);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
534 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
535 LuanTable list;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
536 if( old instanceof LuanTable ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
537 list = (LuanTable)old;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
538 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
539 list = new LuanTable();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
540 list.rawPut(1,old);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
541 table.rawPut(name,list);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
542 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
543 list.rawPut(list.rawLength()+1,value);
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
544 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
545 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
546 return table;
312
d34be4588556 add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 303
diff changeset
547 }
d34be4588556 add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 303
diff changeset
548
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
549 }