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annotate src/luan/modules/lucene/LuceneIndex.java @ 1271:48f302bdc187

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fix indexed_only_field
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 12 Nov 2018 21:19:52 -0700
parents 9fa8b8389578
children 25746915a241
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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.ConcurrentMap;
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16 import java.util.concurrent.ConcurrentHashMap;
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17 import java.util.concurrent.atomic.AtomicInteger;
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18 import java.util.concurrent.locks.Lock;
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19 import java.util.concurrent.locks.ReentrantLock;
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20 import java.util.zip.ZipOutputStream;
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21 import java.util.zip.ZipEntry;
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22 import org.apache.lucene.analysis.Analyzer;
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23 import org.apache.lucene.analysis.core.KeywordAnalyzer;
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24 import org.apache.lucene.document.Document;
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25 import org.apache.lucene.document.Field;
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26 import org.apache.lucene.document.StoredField;
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27 import org.apache.lucene.document.StringField;
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28 import org.apache.lucene.document.TextField;
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29 import org.apache.lucene.document.IntField;
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30 import org.apache.lucene.document.LongField;
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31 import org.apache.lucene.document.DoubleField;
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32 import org.apache.lucene.index.IndexableField;
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33 import org.apache.lucene.index.IndexWriter;
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34 import org.apache.lucene.index.IndexWriterConfig;
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35 import org.apache.lucene.index.DirectoryReader;
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36 import org.apache.lucene.index.Term;
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37 import org.apache.lucene.index.SnapshotDeletionPolicy;
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38 import org.apache.lucene.index.IndexCommit;
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39 import org.apache.lucene.index.AtomicReaderContext;
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40 import org.apache.lucene.store.Directory;
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41 import org.apache.lucene.store.FSDirectory;
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42 import org.apache.lucene.util.Version;
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43 import org.apache.lucene.util.BytesRef;
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44 import org.apache.lucene.util.NumericUtils;
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45 import org.apache.lucene.search.Query;
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46 import org.apache.lucene.search.TermQuery;
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47 import org.apache.lucene.search.TopDocs;
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48 import org.apache.lucene.search.Sort;
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49 import org.apache.lucene.search.SortField;
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50 import org.apache.lucene.search.IndexSearcher;
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51 import org.apache.lucene.search.TotalHitCountCollector;
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52 import org.apache.lucene.search.ScoreDoc;
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53 import org.apache.lucene.search.Collector;
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54 import org.apache.lucene.search.Scorer;
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55 import org.apache.lucene.search.BooleanClause;
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56 import org.apache.lucene.search.highlight.Formatter;
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57 import org.apache.lucene.search.highlight.Highlighter;
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58 import org.apache.lucene.search.highlight.InvalidTokenOffsetsException;
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59 import org.apache.lucene.search.highlight.Fragmenter;
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60 import org.apache.lucene.search.highlight.NullFragmenter;
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61 import org.apache.lucene.search.highlight.SimpleSpanFragmenter;
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62 import org.apache.lucene.search.highlight.QueryScorer;
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63 import org.apache.lucene.search.highlight.TokenGroup;
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64 import luan.modules.lucene.queryparser.SaneQueryParser;
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65 import luan.modules.lucene.queryparser.FieldParser;
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66 import luan.modules.lucene.queryparser.MultiFieldParser;
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67 import luan.modules.lucene.queryparser.StringFieldParser;
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68 import luan.modules.lucene.queryparser.NumberFieldParser;
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69 import luan.lib.parser.ParseException;
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70 import luan.modules.Utils;
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71 import luan.Luan;
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72 import luan.LuanState;
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73 import luan.LuanTable;
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74 import luan.LuanFunction;
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75 import luan.LuanCloner;
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76 import luan.LuanException;
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77 import luan.LuanRuntimeException;
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78 import org.slf4j.Logger;
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79 import org.slf4j.LoggerFactory;
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81
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82 public final class LuceneIndex implements Closeable {
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83 private static final Logger logger = LoggerFactory.getLogger(LuceneIndex.class);
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84
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85 private static final String FLD_NEXT_ID = "nextId";
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86 public static final StringFieldParser STRING_FIELD_PARSER = new StringFieldParser(new KeywordAnalyzer());
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87
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88 private static final Version version = Version.LUCENE_4_9;
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89 private final ReentrantLock writeLock = new ReentrantLock();
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90 private final File indexDir;
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91 private SnapshotDeletionPolicy snapshotDeletionPolicy;
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92 private IndexWriter writer;
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93 private DirectoryReader reader;
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94 private IndexSearcher searcher;
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95 private final ThreadLocal<IndexSearcher> threadLocalSearcher = new ThreadLocal<IndexSearcher>();
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96 private boolean isClosed = true;
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97 private final MultiFieldParser mfp;
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98 private final Analyzer analyzer;
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99 private final Exception created = new Exception("created");
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100
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101 private static ConcurrentMap<File,AtomicInteger> globalWriteCounters = new ConcurrentHashMap<File,AtomicInteger>();
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102 private File fileDir;
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103 private int writeCount;
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104
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105 private final ConcurrentMap<String,Map<String,LuanFunction>> indexedOnlyFields = new ConcurrentHashMap<String,Map<String,LuanFunction>>();
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106 private final LuanState luanMine = new LuanState();
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107 private final LuanCloner cloner = new LuanCloner(LuanCloner.Type.COMPLETE);
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108
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109 public LuceneIndex(LuanState luan,String indexDirStr,FieldParser defaultFieldParser,String[] defaultFields)
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110 throws LuanException, IOException
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111 {
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112 mfp = defaultFieldParser==null ? new MultiFieldParser() : new MultiFieldParser(defaultFieldParser,defaultFields);
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113 mfp.fields.put( "type", STRING_FIELD_PARSER );
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114 mfp.fields.put( "id", NumberFieldParser.LONG );
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115 File indexDir = new File(indexDirStr);
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116 this.indexDir = indexDir;
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117 Analyzer analyzer = STRING_FIELD_PARSER.analyzer;
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118 if( defaultFieldParser instanceof StringFieldParser ) {
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119 StringFieldParser sfp = (StringFieldParser)defaultFieldParser;
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120 analyzer = sfp.analyzer;
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121 }
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122 this.analyzer = analyzer;
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123 luan.onClose(this);
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124 reopen();
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125 }
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126
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127 public void reopen() throws LuanException, IOException {
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128 if( !isClosed ) throw new RuntimeException();
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129 isClosed = false;
233
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130 IndexWriterConfig conf = new IndexWriterConfig(version,analyzer);
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131 snapshotDeletionPolicy = new SnapshotDeletionPolicy(conf.getIndexDeletionPolicy());
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132 conf.setIndexDeletionPolicy(snapshotDeletionPolicy);
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133 FSDirectory dir = FSDirectory.open(indexDir);
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134 fileDir = dir.getDirectory();
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135 globalWriteCounters.putIfAbsent(fileDir,new AtomicInteger());
233
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diff changeset
136 writer = new IndexWriter(dir,conf);
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diff changeset
137 writer.commit(); // commit index creation
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diff changeset
138 reader = DirectoryReader.open(dir);
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ddcd4296107a clean up lucene search
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diff changeset
139 searcher = new IndexSearcher(reader);
646
cdc70de628b5 simplify LuanException
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diff changeset
140 initId();
233
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diff changeset
141 }
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diff changeset
142
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143 private int globalWriteCount() {
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144 return globalWriteCounters.get(fileDir).get();
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145 }
230
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146
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147 private void wrote() {
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148 globalWriteCounters.get(fileDir).incrementAndGet();
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149 }
230
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150
252
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151 public void delete_all() throws IOException {
546
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152 boolean commit = !writeLock.isHeldByCurrentThread();
252
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diff changeset
153 writeLock.lock();
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diff changeset
154 try {
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155 writer.deleteAll();
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diff changeset
156 id = idLim = 0;
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157 if(commit) writer.commit();
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158 } finally {
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159 wrote();
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160 writeLock.unlock();
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161 }
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162 }
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163
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164 private static Term term(String key,long value) {
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165 BytesRef br = new BytesRef();
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166 NumericUtils.longToPrefixCoded(value,0,br);
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167 return new Term(key,br);
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168 }
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169
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diff changeset
170 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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171 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
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172
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173 boolean commit = !writeLock.isHeldByCurrentThread();
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diff changeset
174 writeLock.lock();
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175 try {
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176 writer.deleteDocuments(query);
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177 if(commit) writer.commit();
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178 } finally {
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179 wrote();
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180 writeLock.unlock();
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181 }
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182 }
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diff changeset
183
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184 public void indexed_only_field(String type,String field,LuanFunction fn) {
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diff changeset
185 fn = (LuanFunction)cloner.get(fn);
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diff changeset
186 indexedOnlyFields.putIfAbsent(type,new ConcurrentHashMap<String,LuanFunction>());
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187 Map<String,LuanFunction> map = indexedOnlyFields.get(type);
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188 map.put(field,fn);
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diff changeset
189 }
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190
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diff changeset
191 public void save(LuanState luan,LuanTable doc) throws LuanException, IOException {
618
5e495e4e560b add lucene indexed_only_fields
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diff changeset
192 Set indexedOnlySet = new HashSet();
1267
9fa8b8389578 add LuanTable.luan;
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diff changeset
193 Object typeObj = doc.get("type");
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
194 if( typeObj==null )
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cdc70de628b5 simplify LuanException
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diff changeset
195 throw new LuanException("missing 'type' field");
618
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diff changeset
196 if( !(typeObj instanceof String) )
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cdc70de628b5 simplify LuanException
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diff changeset
197 throw new LuanException("type must be string");
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
198 String type = (String)typeObj;
1271
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diff changeset
199 Map<String,LuanFunction> map = indexedOnlyFields.get(type);
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diff changeset
200 if( map != null ) {
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parents: 1267
diff changeset
201 for( Map.Entry<String,LuanFunction> entry : map.entrySet() ) {
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diff changeset
202 String name = entry.getKey();
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diff changeset
203 LuanFunction fn = entry.getValue();
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parents: 1267
diff changeset
204 Object value = Luan.first(fn.call(luan,new Object[]{doc}));
1267
9fa8b8389578 add LuanTable.luan;
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diff changeset
205 doc.put( name, value );
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
206 indexedOnlySet.add(name);
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parents: 617
diff changeset
207 }
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parents: 617
diff changeset
208 }
1267
9fa8b8389578 add LuanTable.luan;
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parents: 1248
diff changeset
209 Object obj = doc.get("id");
601
d36027b41570 better error message
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parents: 599
diff changeset
210 Long id;
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parents: 599
diff changeset
211 try {
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diff changeset
212 id = (Long)obj;
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parents: 599
diff changeset
213 } catch(ClassCastException e) {
646
cdc70de628b5 simplify LuanException
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parents: 624
diff changeset
214 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
215 }
546
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parents: 545
diff changeset
216
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diff changeset
217 boolean commit = !writeLock.isHeldByCurrentThread();
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diff changeset
218 writeLock.lock();
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diff changeset
219 try {
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diff changeset
220 if( id == null ) {
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parents: 545
diff changeset
221 id = nextId(luan);
1267
9fa8b8389578 add LuanTable.luan;
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parents: 1248
diff changeset
222 doc.put("id",id);
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parents: 1248
diff changeset
223 writer.addDocument(toLucene(doc,indexedOnlySet));
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
224 } else {
1267
9fa8b8389578 add LuanTable.luan;
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parents: 1248
diff changeset
225 writer.updateDocument( term("id",id), toLucene(doc,indexedOnlySet) );
546
eaef1005ab87 general lucene cleanup
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diff changeset
226 }
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parents: 545
diff changeset
227 if(commit) writer.commit();
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diff changeset
228 } finally {
704
90c89138c234 optimize lucene
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diff changeset
229 wrote();
546
eaef1005ab87 general lucene cleanup
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diff changeset
230 writeLock.unlock();
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parents: 545
diff changeset
231 }
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parents: 545
diff changeset
232 }
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diff changeset
233
eaef1005ab87 general lucene cleanup
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diff changeset
234 public void update_in_transaction(LuanState luan,LuanFunction fn) throws IOException, LuanException {
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
235 boolean commit = !writeLock.isHeldByCurrentThread();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
236 writeLock.lock();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
237 try {
574
6cc2f047019b remove LuanState.call()
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parents: 572
diff changeset
238 fn.call(luan);
546
eaef1005ab87 general lucene cleanup
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diff changeset
239 if(commit) writer.commit();
252
3896138955b1 web testing...
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parents: 233
diff changeset
240 } finally {
704
90c89138c234 optimize lucene
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parents: 696
diff changeset
241 wrote();
252
3896138955b1 web testing...
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parents: 233
diff changeset
242 writeLock.unlock();
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parents: 233
diff changeset
243 }
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parents: 233
diff changeset
244 }
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parents: 233
diff changeset
245
756
9092e52f94eb better synchronization for lucene restore
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parents: 754
diff changeset
246 public void run_in_lock(LuanState luan,LuanFunction fn) throws IOException, LuanException {
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diff changeset
247 if( writeLock.isHeldByCurrentThread() )
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diff changeset
248 throw new RuntimeException();
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diff changeset
249 writeLock.lock();
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diff changeset
250 try {
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diff changeset
251 synchronized(this) {
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diff changeset
252 fn.call(luan);
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diff changeset
253 }
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diff changeset
254 } finally {
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parents: 754
diff changeset
255 wrote();
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diff changeset
256 writeLock.unlock();
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diff changeset
257 }
9092e52f94eb better synchronization for lucene restore
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parents: 754
diff changeset
258 }
9092e52f94eb better synchronization for lucene restore
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parents: 754
diff changeset
259
230
4438cb2e04d0 start lucene
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parents:
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260
754
1a101ac9ea46 add lucene restore
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parents: 730
diff changeset
261 private long id;
1a101ac9ea46 add lucene restore
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parents: 730
diff changeset
262 private long idLim;
230
4438cb2e04d0 start lucene
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parents:
diff changeset
263 private final int idBatch = 10;
4438cb2e04d0 start lucene
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parents:
diff changeset
264
646
cdc70de628b5 simplify LuanException
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parents: 624
diff changeset
265 private void initId() throws LuanException, IOException {
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
266 TopDocs td = searcher.search(new TermQuery(new Term("type","next_id")),1);
230
4438cb2e04d0 start lucene
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parents:
diff changeset
267 switch(td.totalHits) {
4438cb2e04d0 start lucene
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parents:
diff changeset
268 case 0:
754
1a101ac9ea46 add lucene restore
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diff changeset
269 id = 0;
1a101ac9ea46 add lucene restore
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parents: 730
diff changeset
270 idLim = 0;
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parents: 730
diff changeset
271 break;
230
4438cb2e04d0 start lucene
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parents:
diff changeset
272 case 1:
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
273 idLim = (Long)searcher.doc(td.scoreDocs[0].doc).getField(FLD_NEXT_ID).numericValue();
230
4438cb2e04d0 start lucene
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parents:
diff changeset
274 id = idLim;
4438cb2e04d0 start lucene
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parents:
diff changeset
275 break;
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parents:
diff changeset
276 default:
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
277 throw new RuntimeException();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
278 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
279 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
280
617
e54c1646eed0 add Lucene.next_id()
Franklin Schmidt <fschmidt@gmail.com>
parents: 601
diff changeset
281 public synchronized long nextId(LuanState luan) throws LuanException, IOException {
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
282 if( ++id > idLim ) {
233
ef39bc4d3f70 basic lucene works
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parents: 232
diff changeset
283 idLim += idBatch;
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
284 LuanTable doc = new LuanTable(luan);
427
dae264ad6a7b fix LuanTable.put() to use metatables
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parents: 426
diff changeset
285 doc.rawPut( "type", "next_id" );
dae264ad6a7b fix LuanTable.put() to use metatables
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parents: 426
diff changeset
286 doc.rawPut( FLD_NEXT_ID, idLim );
1267
9fa8b8389578 add LuanTable.luan;
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parents: 1248
diff changeset
287 writer.updateDocument(new Term("type","next_id"),toLucene(doc,Collections.EMPTY_SET));
704
90c89138c234 optimize lucene
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parents: 696
diff changeset
288 wrote();
230
4438cb2e04d0 start lucene
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parents:
diff changeset
289 }
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
290 return id;
230
4438cb2e04d0 start lucene
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parents:
diff changeset
291 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
292
707
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
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parents: 704
diff changeset
293 /*
646
cdc70de628b5 simplify LuanException
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parents: 624
diff changeset
294 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
295 if( !zipFile.endsWith(".zip") )
646
cdc70de628b5 simplify LuanException
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parents: 624
diff changeset
296 throw new LuanException("file "+zipFile+" doesn't end with '.zip'");
546
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diff changeset
297 IndexCommit ic = snapshotDeletionPolicy.snapshot();
230
4438cb2e04d0 start lucene
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parents:
diff changeset
298 try {
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
299 ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFile));
546
eaef1005ab87 general lucene cleanup
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diff changeset
300 for( String fileName : ic.getFileNames() ) {
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
301 out.putNextEntry(new ZipEntry(fileName));
4438cb2e04d0 start lucene
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parents:
diff changeset
302 FileInputStream in = new FileInputStream(new File(indexDir,fileName));
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
303 Utils.copyAll(in,out);
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
304 in.close();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
305 out.closeEntry();
4438cb2e04d0 start lucene
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parents:
diff changeset
306 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
307 out.close();
4438cb2e04d0 start lucene
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parents:
diff changeset
308 } finally {
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
309 snapshotDeletionPolicy.release(ic);
230
4438cb2e04d0 start lucene
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parents:
diff changeset
310 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
311 }
707
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
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parents: 704
diff changeset
312 */
1129
3234a14bb1f8 minor lucene changes
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parents: 1111
diff changeset
313 public SnapshotDeletionPolicy snapshotDeletionPolicy() {
3234a14bb1f8 minor lucene changes
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parents: 1111
diff changeset
314 return snapshotDeletionPolicy;
3234a14bb1f8 minor lucene changes
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parents: 1111
diff changeset
315 }
3234a14bb1f8 minor lucene changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 1111
diff changeset
316
707
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
317 public Object snapshot(LuanState luan,LuanFunction fn) throws LuanException, IOException {
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
318 IndexCommit ic = snapshotDeletionPolicy.snapshot();
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
319 try {
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
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parents: 704
diff changeset
320 String dir = fileDir.toString();
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1248
diff changeset
321 LuanTable fileNames = new LuanTable(luan,new ArrayList(ic.getFileNames()));
707
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
322 return fn.call(luan,new Object[]{dir,fileNames});
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
323 } finally {
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
324 snapshotDeletionPolicy.release(ic);
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
325 }
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
326 }
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
327
4438cb2e04d0 start lucene
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parents:
diff changeset
328
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
329
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
330 public String to_string() {
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
331 return writer.getDirectory().toString();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
332 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
333
303
fdb4bd391c28 add lucene close();
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 287
diff changeset
334 public void close() throws IOException {
521
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
335 if( !isClosed ) {
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
336 writer.close();
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
337 reader.close();
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
338 isClosed = true;
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
339 }
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
340 }
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
341
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
342 protected void finalize() throws Throwable {
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
343 if( !isClosed ) {
1227
a12dba1f0787 better logging
Franklin Schmidt <fschmidt@gmail.com>
parents: 1222
diff changeset
344 logger.error("not closed",created);
521
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
345 close();
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
346 }
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
347 super.finalize();
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
348 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
349
312
d34be4588556 add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 303
diff changeset
350
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
351
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
352 private static class DocFn extends LuanFunction {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
353 final IndexSearcher searcher;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
354 int docID;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
355
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
356 DocFn(IndexSearcher searcher) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
357 this.searcher = searcher;
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
358 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
359
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
360 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
361 try {
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1248
diff changeset
362 return toTable(luan,searcher.doc(docID));
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
363 } catch(IOException e) {
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
364 throw new LuanException(e);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
365 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
366 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
367 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
368
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
369 private static abstract class MyCollector extends Collector {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
370 int docBase;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
371 int i = 0;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
372
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
373 @Override public void setScorer(Scorer scorer) {}
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
374 @Override public void setNextReader(AtomicReaderContext context) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
375 this.docBase = context.docBase;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
376 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
377 @Override public boolean acceptsDocsOutOfOrder() {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
378 return true;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
379 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
380 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
381
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
382 private synchronized IndexSearcher openSearcher() throws IOException {
704
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
383 int gwc = globalWriteCount();
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
384 if( writeCount != gwc ) {
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
385 writeCount = gwc;
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
386 DirectoryReader newReader = DirectoryReader.openIfChanged(reader);
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
387 if( newReader != null ) {
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
388 reader.decRef();
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
389 reader = newReader;
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
390 searcher = new IndexSearcher(reader);
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
391 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
392 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
393 reader.incRef();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
394 return searcher;
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
395 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
396
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
397 // call in finally block
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
398 private static void close(IndexSearcher searcher) throws IOException {
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
399 searcher.getIndexReader().decRef();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
400 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
401
591
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
402 public void ensure_open() throws IOException {
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
403 close(openSearcher());
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
404 }
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
405
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
406 public int advanced_search( final LuanState luan, String queryStr, LuanFunction fn, Integer n, String sortStr ) throws LuanException, IOException, ParseException {
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
407 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
408 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
409 IndexSearcher searcher = threadLocalSearcher.get();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
410 boolean inTransaction = searcher != null;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
411 if( !inTransaction )
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
412 searcher = openSearcher();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
413 try {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
414 if( fn!=null && n==null ) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
415 if( sortStr != null )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
416 throw new LuanException("sort must be nil when n is nil");
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
417 final DocFn docFn = new DocFn(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
418 MyCollector col = new MyCollector() {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
419 @Override public void collect(int doc) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
420 try {
547
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
Franklin Schmidt <fschmidt@gmail.com>
parents: 546
diff changeset
421 docFn.docID = docBase + doc;
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
422 fn.call(luan,new Object[]{++i,docFn});
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
423 } catch(LuanException e) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
424 throw new LuanRuntimeException(e);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
425 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
426 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
427 };
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
428 try {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
429 searcher.search(query,col);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
430 } catch(LuanRuntimeException e) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
431 throw (LuanException)e.getCause();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
432 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
433 return col.i;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
434 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
435 if( fn==null || n==0 ) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
436 TotalHitCountCollector thcc = new TotalHitCountCollector();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
437 searcher.search(query,thcc);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
438 return thcc.getTotalHits();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
439 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
440 Sort sort = sortStr==null ? null : SaneQueryParser.parseSort(mfp,sortStr);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
441 TopDocs td = sort==null ? searcher.search(query,n) : searcher.search(query,n,sort);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
442 final ScoreDoc[] scoreDocs = td.scoreDocs;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
443 DocFn docFn = new DocFn(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
444 for( int i=0; i<scoreDocs.length; i++ ) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
445 docFn.docID = scoreDocs[i].doc;
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
446 fn.call(luan,new Object[]{i+1,docFn});
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
447 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
448 return td.totalHits;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
449 } finally {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
450 if( !inTransaction )
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
451 close(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
452 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
453 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
454
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
455 public Object search_in_transaction(LuanState luan,LuanFunction fn) throws LuanException, IOException {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
456 if( threadLocalSearcher.get() != null )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
457 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
458 IndexSearcher searcher = openSearcher();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
459 threadLocalSearcher.set(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
460 try {
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
461 return fn.call(luan);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
462 } finally {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
463 threadLocalSearcher.set(null);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
464 close(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
465 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
466 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
467
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
468
796
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
469 public FieldParser getIndexedFieldParser(String field) {
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
470 return mfp.fields.get(field);
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
471 }
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
472
796
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
473 public void setIndexedFieldParser(String field,FieldParser fp) {
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
474 if( fp==null ) { // delete
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
475 mfp.fields.remove(field);
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
476 return;
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
477 }
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
478 mfp.fields.put( field, fp );
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
479 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
480
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
481
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
482 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
483 throws LuanException
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
484 {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
485 if( value instanceof String ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
486 String s = (String)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
487 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
488 if( fp != null ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
489 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
490 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
491 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
492 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
493 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
494 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
495 return new StoredField(name, s);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
496 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
497 } else if( value instanceof Integer ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
498 int i = (Integer)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
499 if( indexed.contains(name) ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
500 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
501 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
502 return new StoredField(name, i);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
503 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
504 } else if( value instanceof Long ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
505 long i = (Long)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
506 if( indexed.contains(name) ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
507 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
508 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
509 return new StoredField(name, i);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
510 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
511 } else if( value instanceof Double ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
512 double i = (Double)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
513 if( indexed.contains(name) ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
514 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
515 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
516 return new StoredField(name, i);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
517 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
518 } else if( value instanceof byte[] ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
519 byte[] b = (byte[])value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
520 return new StoredField(name, b);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
521 } else
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
522 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
523 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
524
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1248
diff changeset
525 private Document toLucene(LuanTable table,Set indexOnly) throws LuanException {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
526 Set<String> indexed = mfp.fields.keySet();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
527 Document doc = new Document();
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1248
diff changeset
528 for( Map.Entry<Object,Object> entry : table.iterable() ) {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
529 Object key = entry.getKey();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
530 if( !(key instanceof String) )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
531 throw new LuanException("key must be string");
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
532 String name = (String)key;
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
533 Object value = entry.getValue();
618
5e495e4e560b add lucene indexed_only_fields
Franklin Schmidt <fschmidt@gmail.com>
parents: 617
diff changeset
534 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
535 if( !(value instanceof LuanTable) ) {
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
536 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
537 } else { // list
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
538 LuanTable list = (LuanTable)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
539 for( Object el : list.asList() ) {
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
540 doc.add(newField(name, el, store, indexed));
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
541 }
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
542 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
543 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
544 return doc;
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
545 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
546
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
547 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
548 BytesRef br = ifld.binaryValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
549 if( br != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
550 return br.bytes;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
551 Number n = ifld.numericValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
552 if( n != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
553 return n;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
554 String s = ifld.stringValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
555 if( s != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
556 return s;
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
557 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
558 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
559
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1248
diff changeset
560 private static LuanTable toTable(LuanState luan,Document doc) throws LuanException {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
561 if( doc==null )
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
562 return null;
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1248
diff changeset
563 LuanTable table = new LuanTable(luan);
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
564 for( IndexableField ifld : doc ) {
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
565 String name = ifld.name();
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
566 Object value = getValue(ifld);
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
567 Object old = table.rawGet(name);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
568 if( old == null ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
569 table.rawPut(name,value);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
570 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
571 LuanTable list;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
572 if( old instanceof LuanTable ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
573 list = (LuanTable)old;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
574 } else {
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1248
diff changeset
575 list = new LuanTable(luan);
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
576 list.rawPut(1,old);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
577 table.rawPut(name,list);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
578 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
579 list.rawPut(list.rawLength()+1,value);
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
580 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
581 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
582 return table;
312
d34be4588556 add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 303
diff changeset
583 }
d34be4588556 add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 303
diff changeset
584
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
585
1248
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Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
586 private static final Formatter nullFormatter = new Formatter() {
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
587 public String highlightTerm(String originalText,TokenGroup tokenGroup) {
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents: 1227
diff changeset
588 return originalText;
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
589 }
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
590 };
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
591
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
592 public LuanFunction highlighter(LuanState luan,String queryStr,LuanFunction formatter,final Integer fragmentSize,String dotdotdot) throws ParseException {
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
593 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
594 Formatter fmt = new Formatter() {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
595 public String highlightTerm(String originalText,TokenGroup tokenGroup) {
1248
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
596 if( tokenGroup.getTotalScore() <= 0 )
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
597 return originalText;
8281a248c47e add lucene highlighter
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parents: 622
diff changeset
598 try {
8281a248c47e add lucene highlighter
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parents: 622
diff changeset
599 return (String)Luan.first(formatter.call(luan,new Object[]{originalText}));
8281a248c47e add lucene highlighter
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parents: 622
diff changeset
600 } catch(LuanException e) {
8281a248c47e add lucene highlighter
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parents: 622
diff changeset
601 throw new LuanRuntimeException(e);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
602 }
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
603 }
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
604 };
1248
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
605 QueryScorer queryScorer = new QueryScorer(query);
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
606 final Highlighter chooser = fragmentSize==null ? null : new Highlighter(nullFormatter,queryScorer);
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
607 if( chooser != null )
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
608 chooser.setTextFragmenter( new SimpleSpanFragmenter(queryScorer,fragmentSize) );
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
609 final Highlighter hl = new Highlighter(fmt,queryScorer);
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
610 hl.setTextFragmenter( new NullFragmenter() );
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
611 return new LuanFunction() {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
612 @Override public String call(LuanState luan,Object[] args) throws LuanException {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
613 String text = (String)args[0];
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
614 try {
1248
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
615 if( chooser != null ) {
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
616 String s = chooser.getBestFragment(analyzer,null,text);
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
617 if( s != null ) {
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
618 if( dotdotdot != null ) {
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
619 boolean atStart = text.startsWith(s);
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
620 boolean atEnd = text.endsWith(s);
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
621 if( !atStart )
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
622 s = dotdotdot + s;
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
623 if( !atEnd )
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
624 s = s + dotdotdot;
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
625 }
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
626 text = s;
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
627 } else if( text.length() > fragmentSize ) {
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
628 text = text.substring(0,fragmentSize);
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
629 if( dotdotdot != null )
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
630 text += "...";
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
631 }
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
632 }
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
633 String s = hl.getBestFragment(analyzer,null,text);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
634 return s!=null ? s : text;
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
635 } catch(LuanRuntimeException e) {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
636 throw (LuanException)e.getCause();
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
637 } catch(IOException e) {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
638 throw new RuntimeException(e);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
639 } catch(InvalidTokenOffsetsException e) {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
640 throw new RuntimeException(e);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
641 }
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
642 }
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
643 };
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
644 }
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
645 }