Mercurial Hosting > luan
annotate src/luan/modules/lucene/LuceneIndex.java @ 1543:1db694d98003
minor
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Sun, 20 Sep 2020 16:45:31 -0600 |
parents | dc23c96f5021 |
children | 35601f15ecc3 |
rev | line source |
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1 package luan.modules.lucene; |
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2 |
527 | 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; |
1397 | 8 import java.lang.ref.Reference; |
9 import java.lang.ref.WeakReference; | |
1391 | 10 import java.sql.SQLException; |
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11 import java.util.Arrays; |
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12 import java.util.Iterator; |
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13 import java.util.Map; |
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14 import java.util.HashMap; |
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15 import java.util.List; |
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16 import java.util.ArrayList; |
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17 import java.util.Set; |
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18 import java.util.HashSet; |
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19 import java.util.Collections; |
704 | 20 import java.util.concurrent.atomic.AtomicInteger; |
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21 import java.util.concurrent.locks.Lock; |
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22 import java.util.concurrent.locks.ReentrantLock; |
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23 import java.util.zip.ZipOutputStream; |
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24 import java.util.zip.ZipEntry; |
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25 import org.apache.lucene.analysis.Analyzer; |
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26 import org.apache.lucene.analysis.TokenStream; |
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27 import org.apache.lucene.analysis.core.KeywordAnalyzer; |
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28 import org.apache.lucene.analysis.en.EnglishAnalyzer; |
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29 import org.apache.lucene.document.Document; |
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30 import org.apache.lucene.document.Field; |
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31 import org.apache.lucene.document.StoredField; |
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32 import org.apache.lucene.document.StringField; |
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33 import org.apache.lucene.document.TextField; |
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34 import org.apache.lucene.document.IntField; |
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35 import org.apache.lucene.document.LongField; |
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36 import org.apache.lucene.document.DoubleField; |
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37 import org.apache.lucene.index.IndexableField; |
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38 import org.apache.lucene.index.IndexWriter; |
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39 import org.apache.lucene.index.IndexWriterConfig; |
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40 import org.apache.lucene.index.DirectoryReader; |
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41 import org.apache.lucene.index.Term; |
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42 import org.apache.lucene.index.SnapshotDeletionPolicy; |
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43 import org.apache.lucene.index.IndexCommit; |
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44 import org.apache.lucene.index.AtomicReaderContext; |
1391 | 45 import org.apache.lucene.index.CheckIndex; |
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46 import org.apache.lucene.store.Directory; |
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47 import org.apache.lucene.store.FSDirectory; |
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48 import org.apache.lucene.util.Version; |
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49 import org.apache.lucene.util.BytesRef; |
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50 import org.apache.lucene.util.NumericUtils; |
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51 import org.apache.lucene.search.Query; |
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52 import org.apache.lucene.search.PrefixQuery; |
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53 import org.apache.lucene.search.TermQuery; |
1539 | 54 import org.apache.lucene.search.MatchAllDocsQuery; |
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55 import org.apache.lucene.search.TopDocs; |
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56 import org.apache.lucene.search.Sort; |
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57 import org.apache.lucene.search.SortField; |
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58 import org.apache.lucene.search.IndexSearcher; |
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59 import org.apache.lucene.search.TotalHitCountCollector; |
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60 import org.apache.lucene.search.ScoreDoc; |
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61 import org.apache.lucene.search.Collector; |
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62 import org.apache.lucene.search.Scorer; |
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63 import org.apache.lucene.search.Explanation; |
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64 import org.apache.lucene.search.highlight.Formatter; |
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65 import org.apache.lucene.search.highlight.Highlighter; |
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66 import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; |
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67 import org.apache.lucene.search.highlight.Fragmenter; |
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68 import org.apache.lucene.search.highlight.NullFragmenter; |
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69 import org.apache.lucene.search.highlight.SimpleSpanFragmenter; |
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70 import org.apache.lucene.search.highlight.QueryScorer; |
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71 import org.apache.lucene.search.highlight.TokenGroup; |
1474 | 72 import goodjava.lucene.analysis.LowercaseAnalyzer; |
1459 | 73 import goodjava.lucene.queryparser.GoodQueryParser; |
1458 | 74 import goodjava.lucene.queryparser.FieldParser; |
75 import goodjava.lucene.queryparser.MultiFieldParser; | |
76 import goodjava.lucene.queryparser.StringFieldParser; | |
77 import goodjava.lucene.queryparser.NumberFieldParser; | |
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78 import goodjava.lucene.api.GoodIndexWriter; |
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79 import goodjava.lucene.api.LuceneIndexWriter; |
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80 import goodjava.lucene.api.GoodIndexWriterConfig; |
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81 import goodjava.lucene.api.LuceneUtils; |
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82 import goodjava.lucene.logging.LoggingIndexWriter; |
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83 import goodjava.parser.ParseException; |
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84 import luan.modules.Utils; |
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85 import luan.Luan; |
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86 import luan.LuanTable; |
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87 import luan.LuanFunction; |
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88 import luan.LuanException; |
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89 import luan.LuanRuntimeException; |
1391 | 90 import luan.modules.parsers.LuanToString; |
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91 import goodjava.logging.Logger; |
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92 import goodjava.logging.LoggerFactory; |
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93 |
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94 |
1398 | 95 public final class LuceneIndex { |
1454 | 96 private static final Logger logger = LoggerFactory.getLogger(LuceneIndex.class); |
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97 |
1397 | 98 private static Map<String,Reference<LuceneIndex>> indexes = new HashMap<String,Reference<LuceneIndex>>(); |
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99 |
1397 | 100 public static LuceneIndex getLuceneIndex(Luan luan,File indexDir,LuanTable options) |
1392 | 101 throws LuanException, IOException, ClassNotFoundException, SQLException |
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102 { |
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103 String key = indexDir.getCanonicalPath(); |
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104 synchronized(indexes) { |
1397 | 105 Reference<LuceneIndex> ref = indexes.get(key); |
106 if( ref != null ) { | |
107 LuceneIndex li = ref.get(); | |
1398 | 108 if( li != null ) { |
109 Object version = options.get("version"); | |
110 if( version==null || version.equals(li.version) ) | |
111 return li; | |
1397 | 112 li.closeWriter(); |
1398 | 113 } |
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114 } |
1397 | 115 LuceneIndex li = new LuceneIndex(luan,indexDir,options); |
116 indexes.put(key, new WeakReference<LuceneIndex>(li)); | |
117 return li; | |
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118 } |
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119 } |
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120 |
1398 | 121 private static final Version luceneVersion = Version.LUCENE_4_9; |
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122 public static final StringFieldParser STRING_FIELD_PARSER = new StringFieldParser(new KeywordAnalyzer()); |
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123 public static final StringFieldParser LOWERCASE_FIELD_PARSER = new StringFieldParser(new LowercaseAnalyzer(luceneVersion)); |
1398 | 124 public static final StringFieldParser ENGLISH_FIELD_PARSER = new StringFieldParser(new EnglishAnalyzer(luceneVersion)); |
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125 private static final SortField ID_SORT = new SortField("id",SortField.Type.LONG); |
1539 | 126 private static final SortField ID_DESC_SORT = new SortField("id",SortField.Type.LONG,true); |
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127 |
1398 | 128 private final Object version; |
1393 | 129 |
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130 private final ReentrantLock writeLock = new ReentrantLock(); |
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131 private final File indexDir; |
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132 private GoodIndexWriter writer; |
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133 private DirectoryReader reader; |
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134 private IndexSearcher searcher; |
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135 private final ThreadLocal<IndexSearcher> threadLocalSearcher = new ThreadLocal<IndexSearcher>(); |
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136 private final MultiFieldParser mfp; |
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137 private final Analyzer analyzer; // ??? |
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138 |
1391 | 139 private FSDirectory fsDir; |
704 | 140 private int writeCount; |
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141 private AtomicInteger writeCounter = new AtomicInteger(); |
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142 private final GoodIndexWriterConfig config; |
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143 |
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144 private final PostgresBackup postgresBackup; |
1397 | 145 private boolean wasCreated; |
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146 private final File logDir; |
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147 |
1397 | 148 private LuceneIndex(Luan luan,File indexDir,LuanTable options) |
1392 | 149 throws LuanException, IOException, ClassNotFoundException, SQLException |
1267 | 150 { |
1420 | 151 options = new LuanTable(options); |
152 this.version = options.remove("version"); | |
153 FieldParser defaultFieldParser = (FieldParser)options.remove("default_type"); | |
154 LuanTable defaultFieldsTbl = Utils.removeTable(options,"default_fields"); | |
1397 | 155 String[] defaultFields = defaultFieldsTbl==null ? null : (String[])defaultFieldsTbl.asList().toArray(new String[0]); |
1420 | 156 LuanTable postgresSpec = Utils.removeTable(options,"postgres_spec"); |
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157 LuanFunction supplementer = Utils.removeFunction(options,"supplementer"); |
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158 logDir = (File)options.remove("log_dir"); |
1420 | 159 Utils.checkEmpty(options); |
1397 | 160 |
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161 mfp = defaultFieldParser==null ? new MultiFieldParser() : new MultiFieldParser(defaultFieldParser,defaultFields); |
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162 mfp.fields.put( "type", STRING_FIELD_PARSER ); |
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163 mfp.fields.put( "id", NumberFieldParser.LONG ); |
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164 this.indexDir = indexDir; |
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165 Analyzer analyzer = STRING_FIELD_PARSER.analyzer; |
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166 if( defaultFieldParser instanceof StringFieldParser ) { |
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167 StringFieldParser sfp = (StringFieldParser)defaultFieldParser; |
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168 analyzer = sfp.analyzer; |
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169 } |
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170 this.analyzer = analyzer; |
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171 this.config = new SupplementingConfig(luceneVersion,mfp,supplementer); |
1397 | 172 wasCreated = reopen(); |
1392 | 173 if( postgresSpec == null ) { |
174 postgresBackup = null; | |
175 } else { | |
1420 | 176 postgresBackup = new PostgresBackup(luan,postgresSpec); |
1397 | 177 if( !wasCreated && postgresBackup.wasCreated ) { |
1454 | 178 logger.error("rebuilding postgres backup"); |
1453 | 179 rebuild_postgres_backup(luan); |
1397 | 180 /* |
181 } else if( wasCreated && !postgresBackup.wasCreated ) { | |
1454 | 182 logger.error("restoring from postgres"); |
1397 | 183 restore_from_postgres(); |
184 */ | |
1390 | 185 } |
186 } | |
754 | 187 } |
188 | |
1390 | 189 public boolean reopen() throws IOException { |
1391 | 190 fsDir = FSDirectory.open(indexDir); |
191 boolean wasCreated = !fsDir.getDirectory().exists(); | |
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192 writer = new LuceneIndexWriter(fsDir,config); |
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193 if( logDir != null ) |
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194 writer = new LoggingIndexWriter((LuceneIndexWriter)writer,logDir); |
1391 | 195 reader = DirectoryReader.open(fsDir); |
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196 searcher = new IndexSearcher(reader); |
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197 initId(); |
1390 | 198 return wasCreated; |
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199 } |
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200 |
704 | 201 private void wrote() { |
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202 writeCounter.incrementAndGet(); |
704 | 203 } |
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204 |
1392 | 205 public void delete_all() throws IOException, SQLException { |
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206 boolean commit = !writeLock.isHeldByCurrentThread(); |
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207 writeLock.lock(); |
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208 try { |
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209 writer.deleteAll(); |
1539 | 210 id = 0; |
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211 if( postgresBackup != null ) |
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212 postgresBackup.deleteAll(); |
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213 if(commit) writer.commit(); |
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214 } finally { |
704 | 215 wrote(); |
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216 writeLock.unlock(); |
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217 } |
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218 } |
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219 |
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220 private static Term term(String key,long value) { |
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221 BytesRef br = new BytesRef(); |
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222 NumericUtils.longToPrefixCoded(value,0,br); |
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223 return new Term(key,br); |
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224 } |
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225 |
1543 | 226 private static final Set<String> ID_SET = Collections.singleton("id"); |
227 | |
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228 private void backupDelete(Query query) |
1392 | 229 throws IOException, SQLException, LuanException |
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230 { |
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231 if( postgresBackup != null ) { |
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232 final List<Long> ids = new ArrayList<Long>(); |
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233 IndexSearcher searcher = openSearcher(); |
1391 | 234 try { |
235 MyCollector col = new MyCollector() { | |
236 @Override public void collect(int iDoc) throws IOException { | |
1543 | 237 Document doc = searcher.doc( docBase + iDoc, ID_SET ); |
1391 | 238 Long id = (Long)doc.getField("id").numericValue(); |
239 ids.add(id); | |
240 } | |
241 }; | |
242 searcher.search(query,col); | |
243 } finally { | |
244 close(searcher); | |
245 } | |
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246 postgresBackup.begin(); |
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247 for( Long id : ids ) { |
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248 postgresBackup.delete(id); |
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249 } |
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250 postgresBackup.commit(); |
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251 } |
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252 } |
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253 |
1346 | 254 public void delete(String queryStr) |
1392 | 255 throws IOException, ParseException, SQLException, LuanException |
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256 { |
1459 | 257 Query query = GoodQueryParser.parseQuery(mfp,queryStr); |
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258 |
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259 boolean commit = !writeLock.isHeldByCurrentThread(); |
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260 writeLock.lock(); |
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261 try { |
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262 backupDelete(query); |
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263 writer.deleteDocuments(query); |
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264 if(commit) writer.commit(); |
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265 } finally { |
704 | 266 wrote(); |
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267 writeLock.unlock(); |
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268 } |
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269 } |
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270 |
1535 | 271 public void reindex(String queryStr) |
272 throws IOException, ParseException | |
273 { | |
274 Query query = GoodQueryParser.parseQuery(mfp,queryStr); | |
275 | |
276 boolean commit = !writeLock.isHeldByCurrentThread(); | |
277 writeLock.lock(); | |
278 try { | |
279 writer.reindexDocuments("id",query); | |
280 if(commit) writer.commit(); | |
281 } finally { | |
282 wrote(); | |
283 writeLock.unlock(); | |
284 } | |
285 } | |
286 | |
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287 public void save(LuanTable doc) |
1392 | 288 throws LuanException, IOException, SQLException |
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289 { |
1267 | 290 Object obj = doc.get("id"); |
601 | 291 Long id; |
292 try { | |
293 id = (Long)obj; | |
294 } catch(ClassCastException e) { | |
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295 throw new LuanException("id should be Long but is "+obj.getClass().getSimpleName()); |
601 | 296 } |
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297 |
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298 boolean commit = !writeLock.isHeldByCurrentThread(); |
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299 writeLock.lock(); |
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300 try { |
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301 if( id == null ) { |
1539 | 302 id = ++this.id; |
1267 | 303 doc.put("id",id); |
1391 | 304 if( postgresBackup != null ) |
305 postgresBackup.add(doc); | |
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306 writer.addDocument(toLucene(doc)); |
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307 } else { |
1391 | 308 if( postgresBackup != null ) |
309 postgresBackup.update(doc); | |
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310 writer.updateDocument( "id", toLucene(doc) ); |
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311 } |
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312 if(commit) writer.commit(); |
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313 } finally { |
704 | 314 wrote(); |
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315 writeLock.unlock(); |
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316 } |
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317 } |
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318 |
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319 public boolean is_in_transaction() { |
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320 return writeLock.isHeldByCurrentThread(); |
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321 } |
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322 |
1392 | 323 public Object run_in_transaction(LuanFunction fn) |
324 throws IOException, LuanException, SQLException | |
325 { | |
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326 boolean commit = !writeLock.isHeldByCurrentThread(); |
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327 writeLock.lock(); |
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328 boolean ok = false; |
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329 try { |
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330 if( commit && postgresBackup != null ) |
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331 postgresBackup.begin(); |
1379 | 332 Object rtn = fn.call(); |
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333 ok = true; |
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334 if(commit) { |
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335 if( postgresBackup != null ) |
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336 postgresBackup.commit(); |
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337 writer.commit(); |
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338 } |
1379 | 339 return rtn; |
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340 } finally { |
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341 if( !ok && commit ) { |
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342 if( postgresBackup != null ) |
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343 postgresBackup.rollback(); |
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344 writer.rollback(); |
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345 reopen(); |
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346 } |
704 | 347 wrote(); |
252
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348 writeLock.unlock(); |
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349 } |
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350 } |
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351 |
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352 // ??? |
1379 | 353 public Object run_in_lock(LuanFunction fn) throws IOException, LuanException { |
756
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354 if( writeLock.isHeldByCurrentThread() ) |
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355 throw new RuntimeException(); |
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356 writeLock.lock(); |
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357 try { |
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358 synchronized(this) { |
1379 | 359 return fn.call(); |
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360 } |
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361 } finally { |
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362 wrote(); |
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363 writeLock.unlock(); |
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364 } |
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365 } |
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366 |
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367 |
754 | 368 private long id; |
230
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369 |
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370 private void initId() throws IOException { |
1539 | 371 TopDocs td = searcher.search(new MatchAllDocsQuery(),1,new Sort(ID_DESC_SORT)); |
372 switch(td.scoreDocs.length) { | |
230
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373 case 0: |
754 | 374 id = 0; |
375 break; | |
230
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376 case 1: |
1539 | 377 id = (Long)searcher.doc(td.scoreDocs[0].doc).getField("id").numericValue(); |
230
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378 break; |
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379 default: |
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380 throw new RuntimeException(); |
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381 } |
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382 } |
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383 |
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384 /* |
646
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385 public void backup(String zipFile) throws LuanException, IOException { |
230
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386 if( !zipFile.endsWith(".zip") ) |
646
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387 throw new LuanException("file "+zipFile+" doesn't end with '.zip'"); |
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388 IndexCommit ic = snapshotDeletionPolicy.snapshot(); |
230
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389 try { |
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390 ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFile)); |
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391 for( String fileName : ic.getFileNames() ) { |
230
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392 out.putNextEntry(new ZipEntry(fileName)); |
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393 FileInputStream in = new FileInputStream(new File(indexDir,fileName)); |
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394 Utils.copyAll(in,out); |
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395 in.close(); |
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396 out.closeEntry(); |
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397 } |
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398 out.close(); |
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399 } finally { |
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400 snapshotDeletionPolicy.release(ic); |
230
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401 } |
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402 } |
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403 */ |
1129
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404 public SnapshotDeletionPolicy snapshotDeletionPolicy() { |
1539 | 405 return (SnapshotDeletionPolicy)writer.getLuceneIndexWriter().getConfig().getIndexDeletionPolicy(); |
1129
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406 } |
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407 |
1346 | 408 public Object snapshot(LuanFunction fn) throws LuanException, IOException { |
1528
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409 SnapshotDeletionPolicy snapshotDeletionPolicy = snapshotDeletionPolicy(); |
707
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410 IndexCommit ic = snapshotDeletionPolicy.snapshot(); |
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411 try { |
1391 | 412 String dir = fsDir.getDirectory().toString(); |
1346 | 413 LuanTable fileNames = new LuanTable(fn.luan(),new ArrayList(ic.getFileNames())); |
1335 | 414 return fn.call(dir,fileNames); |
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415 } finally { |
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416 snapshotDeletionPolicy.release(ic); |
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417 } |
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418 } |
230
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419 |
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420 |
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421 |
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422 public String to_string() { |
1539 | 423 return writer.getLuceneIndexWriter().getDirectory().toString(); |
230
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424 } |
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425 |
1398 | 426 protected void finalize() throws Throwable { |
427 close(); | |
428 super.finalize(); | |
521
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429 } |
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430 |
1398 | 431 public void close() throws IOException, SQLException { |
432 closeWriter(); | |
1392 | 433 reader.close(); |
230
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434 } |
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|
435 |
1398 | 436 private void closeWriter() throws IOException, SQLException { |
1397 | 437 writeLock.lock(); |
438 try { | |
439 writer.close(); | |
1398 | 440 if( postgresBackup != null ) |
441 postgresBackup.close(); | |
1397 | 442 } finally { |
443 writeLock.unlock(); | |
444 } | |
445 } | |
446 | |
312
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447 |
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448 private static class DocFn extends LuanFunction { |
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449 final IndexSearcher searcher; |
1342
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450 final Query query; |
545
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451 int docID; |
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452 |
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453 DocFn(Luan luan,IndexSearcher searcher,Query query) { |
1335 | 454 super(luan); |
545
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455 this.searcher = searcher; |
1342
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456 this.query = query; |
545
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457 } |
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458 |
1335 | 459 @Override public Object call(Object[] args) throws LuanException { |
545
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460 try { |
1342
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461 LuanTable doc = toTable(luan(),searcher.doc(docID)); |
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462 if( args.length > 0 && "explain".equals(args[0]) ) { |
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463 Explanation explanation = searcher.explain(query,docID); |
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464 return new Object[]{doc,explanation}; |
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465 } else { |
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466 return doc; |
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467 } |
545
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468 } catch(IOException e) { |
646
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469 throw new LuanException(e); |
545
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470 } |
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471 } |
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472 } |
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473 |
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474 private static abstract class MyCollector extends Collector { |
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475 int docBase; |
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476 int i = 0; |
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477 |
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478 @Override public void setScorer(Scorer scorer) {} |
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479 @Override public void setNextReader(AtomicReaderContext context) { |
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480 this.docBase = context.docBase; |
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481 } |
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482 @Override public boolean acceptsDocsOutOfOrder() { |
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483 return true; |
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484 } |
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485 } |
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|
486 |
546
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|
487 private synchronized IndexSearcher openSearcher() throws IOException { |
1345
6f8988830098
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488 int gwc = writeCounter.get(); |
704 | 489 if( writeCount != gwc ) { |
490 writeCount = gwc; | |
491 DirectoryReader newReader = DirectoryReader.openIfChanged(reader); | |
1539 | 492 // DirectoryReader newReader = DirectoryReader.openIfChanged(reader,writer.getLuceneIndexWriter(),true); |
704 | 493 if( newReader != null ) { |
494 reader.decRef(); | |
495 reader = newReader; | |
496 searcher = new IndexSearcher(reader); | |
497 } | |
546
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498 } |
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|
499 reader.incRef(); |
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|
500 return searcher; |
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545
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|
501 } |
eaef1005ab87
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|
502 |
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545
diff
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|
503 // call in finally block |
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545
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|
504 private static void close(IndexSearcher searcher) throws IOException { |
eaef1005ab87
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parents:
545
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|
505 searcher.getIndexReader().decRef(); |
eaef1005ab87
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parents:
545
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|
506 } |
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diff
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|
507 |
591
790d5de23042
add "strict" param to Io.repr();
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parents:
578
diff
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|
508 public void ensure_open() throws IOException { |
790d5de23042
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parents:
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509 close(openSearcher()); |
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parents:
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510 } |
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Franklin Schmidt <fschmidt@gmail.com>
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|
511 |
1346 | 512 public int advanced_search( String queryStr, LuanFunction fn, Integer n, String sortStr ) |
1341
a015a0b5c388
add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
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parents:
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diff
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513 throws LuanException, IOException, ParseException |
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514 { |
646
cdc70de628b5
simplify LuanException
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diff
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|
515 Utils.checkNotNull(queryStr); |
1459 | 516 Query query = GoodQueryParser.parseQuery(mfp,queryStr); |
545
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517 IndexSearcher searcher = threadLocalSearcher.get(); |
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|
518 boolean inTransaction = searcher != null; |
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|
519 if( !inTransaction ) |
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520 searcher = openSearcher(); |
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|
521 try { |
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|
522 if( fn!=null && n==null ) { |
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544
diff
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|
523 if( sortStr != null ) |
646
cdc70de628b5
simplify LuanException
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624
diff
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|
524 throw new LuanException("sort must be nil when n is nil"); |
1346 | 525 final DocFn docFn = new DocFn(fn.luan(),searcher,query); |
545
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parents:
544
diff
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|
526 MyCollector col = new MyCollector() { |
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|
527 @Override public void collect(int doc) { |
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544
diff
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|
528 try { |
547
0be287ab0309
add lucene/Versioning and simplify Lucene fn names
Franklin Schmidt <fschmidt@gmail.com>
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546
diff
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|
529 docFn.docID = docBase + doc; |
1335 | 530 fn.call(++i,docFn); |
545
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clean up lucene search
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544
diff
changeset
|
531 } catch(LuanException e) { |
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544
diff
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|
532 throw new LuanRuntimeException(e); |
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diff
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|
533 } |
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|
534 } |
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|
535 }; |
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|
536 try { |
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parents:
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|
537 searcher.search(query,col); |
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544
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|
538 } catch(LuanRuntimeException e) { |
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|
539 throw (LuanException)e.getCause(); |
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parents:
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diff
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|
540 } |
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parents:
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diff
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|
541 return col.i; |
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parents:
544
diff
changeset
|
542 } |
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parents:
544
diff
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|
543 if( fn==null || n==0 ) { |
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parents:
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diff
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|
544 TotalHitCountCollector thcc = new TotalHitCountCollector(); |
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diff
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|
545 searcher.search(query,thcc); |
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parents:
544
diff
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|
546 return thcc.getTotalHits(); |
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parents:
544
diff
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|
547 } |
1459 | 548 Sort sort = sortStr==null ? null : GoodQueryParser.parseSort(mfp,sortStr); |
545
ddcd4296107a
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parents:
544
diff
changeset
|
549 TopDocs td = sort==null ? searcher.search(query,n) : searcher.search(query,n,sort); |
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parents:
544
diff
changeset
|
550 final ScoreDoc[] scoreDocs = td.scoreDocs; |
1346 | 551 DocFn docFn = new DocFn(fn.luan(),searcher,query); |
545
ddcd4296107a
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parents:
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diff
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|
552 for( int i=0; i<scoreDocs.length; i++ ) { |
1342
60599adc27b8
add lucene search options
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1341
diff
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|
553 ScoreDoc scoreDoc = scoreDocs[i]; |
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parents:
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diff
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|
554 docFn.docID = scoreDoc.doc; |
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parents:
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diff
changeset
|
555 fn.call(i+1,docFn,scoreDoc.score); |
545
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parents:
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diff
changeset
|
556 } |
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parents:
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diff
changeset
|
557 return td.totalHits; |
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diff
changeset
|
558 } finally { |
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parents:
544
diff
changeset
|
559 if( !inTransaction ) |
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544
diff
changeset
|
560 close(searcher); |
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parents:
544
diff
changeset
|
561 } |
ddcd4296107a
clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents:
544
diff
changeset
|
562 } |
ddcd4296107a
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Franklin Schmidt <fschmidt@gmail.com>
parents:
544
diff
changeset
|
563 |
1335 | 564 public Object search_in_transaction(LuanFunction fn) throws LuanException, IOException { |
545
ddcd4296107a
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parents:
544
diff
changeset
|
565 if( threadLocalSearcher.get() != null ) |
646
cdc70de628b5
simplify LuanException
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parents:
624
diff
changeset
|
566 throw new LuanException("can't nest search_in_transaction calls"); |
545
ddcd4296107a
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Franklin Schmidt <fschmidt@gmail.com>
parents:
544
diff
changeset
|
567 IndexSearcher searcher = openSearcher(); |
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parents:
544
diff
changeset
|
568 threadLocalSearcher.set(searcher); |
ddcd4296107a
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Franklin Schmidt <fschmidt@gmail.com>
parents:
544
diff
changeset
|
569 try { |
1335 | 570 return fn.call(); |
545
ddcd4296107a
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parents:
544
diff
changeset
|
571 } finally { |
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Franklin Schmidt <fschmidt@gmail.com>
parents:
544
diff
changeset
|
572 threadLocalSearcher.set(null); |
ddcd4296107a
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parents:
544
diff
changeset
|
573 close(searcher); |
ddcd4296107a
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parents:
544
diff
changeset
|
574 } |
ddcd4296107a
clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents:
544
diff
changeset
|
575 } |
ddcd4296107a
clean up lucene search
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parents:
544
diff
changeset
|
576 |
ddcd4296107a
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parents:
544
diff
changeset
|
577 |
796 | 578 public FieldParser getIndexedFieldParser(String field) { |
579 return mfp.fields.get(field); | |
580 } | |
544
c5a93767cc5c
lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents:
527
diff
changeset
|
581 |
796 | 582 public void setIndexedFieldParser(String field,FieldParser fp) { |
583 if( fp==null ) { // delete | |
584 mfp.fields.remove(field); | |
585 return; | |
586 } | |
587 mfp.fields.put( field, fp ); | |
588 } | |
546
eaef1005ab87
general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents:
545
diff
changeset
|
589 |
1528
3bd4d7963456
use goodjava/lucene/api
Franklin Schmidt <fschmidt@gmail.com>
parents:
1526
diff
changeset
|
590 static Map<String,Object> toLucene(LuanTable table) throws LuanException { |
1529 | 591 return SupplementingConfig.toLucene(table); |
621
fd15da41afca
allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents:
620
diff
changeset
|
592 } |
fd15da41afca
allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents:
620
diff
changeset
|
593 |
1333
25746915a241
merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents:
1271
diff
changeset
|
594 private static LuanTable toTable(Luan luan,Document doc) throws LuanException { |
1529 | 595 return doc==null ? null : SupplementingConfig.toTable(luan,LuceneUtils.toMap(doc)); |
312
d34be4588556
add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
303
diff
changeset
|
596 } |
d34be4588556
add lucene query parsing
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parents:
303
diff
changeset
|
597 |
624
8281a248c47e
add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents:
622
diff
changeset
|
598 |
1248
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents:
1227
diff
changeset
|
599 private static final Formatter nullFormatter = new Formatter() { |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
600 public String highlightTerm(String originalText,TokenGroup tokenGroup) { |
475905984870
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parents:
1227
diff
changeset
|
601 return originalText; |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
602 } |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
603 }; |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
604 |
1342
60599adc27b8
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parents:
1341
diff
changeset
|
605 public LuanFunction highlighter(String queryStr,final LuanFunction formatter,final Integer fragmentSize,String dotdotdot) |
60599adc27b8
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parents:
1341
diff
changeset
|
606 throws ParseException |
60599adc27b8
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parents:
1341
diff
changeset
|
607 { |
1459 | 608 Query query = GoodQueryParser.parseQuery(mfp,queryStr); |
624
8281a248c47e
add lucene highlighter
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parents:
622
diff
changeset
|
609 Formatter fmt = new Formatter() { |
8281a248c47e
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parents:
622
diff
changeset
|
610 public String highlightTerm(String originalText,TokenGroup tokenGroup) { |
1435 | 611 if( tokenGroup.getTotalScore() <= 0 ) |
624
8281a248c47e
add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents:
622
diff
changeset
|
612 return originalText; |
8281a248c47e
add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents:
622
diff
changeset
|
613 try { |
1335 | 614 return (String)Luan.first(formatter.call(originalText)); |
624
8281a248c47e
add lucene highlighter
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parents:
622
diff
changeset
|
615 } catch(LuanException e) { |
8281a248c47e
add lucene highlighter
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parents:
622
diff
changeset
|
616 throw new LuanRuntimeException(e); |
8281a248c47e
add lucene highlighter
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parents:
622
diff
changeset
|
617 } |
8281a248c47e
add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents:
622
diff
changeset
|
618 } |
8281a248c47e
add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents:
622
diff
changeset
|
619 }; |
1248
475905984870
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1227
diff
changeset
|
620 QueryScorer queryScorer = new QueryScorer(query); |
475905984870
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1227
diff
changeset
|
621 final Highlighter chooser = fragmentSize==null ? null : new Highlighter(nullFormatter,queryScorer); |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
622 if( chooser != null ) |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
623 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
|
624 final Highlighter hl = new Highlighter(fmt,queryScorer); |
624
8281a248c47e
add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents:
622
diff
changeset
|
625 hl.setTextFragmenter( new NullFragmenter() ); |
1335 | 626 return new LuanFunction(false) { // ??? |
627 @Override public String call(Object[] args) throws LuanException { | |
624
8281a248c47e
add lucene highlighter
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parents:
622
diff
changeset
|
628 String text = (String)args[0]; |
8281a248c47e
add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents:
622
diff
changeset
|
629 try { |
1248
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents:
1227
diff
changeset
|
630 if( chooser != null ) { |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
631 String s = chooser.getBestFragment(analyzer,null,text); |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
632 if( s != null ) { |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
633 if( dotdotdot != null ) { |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
634 boolean atStart = text.startsWith(s); |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
635 boolean atEnd = text.endsWith(s); |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
636 if( !atStart ) |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
637 s = dotdotdot + s; |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
638 if( !atEnd ) |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
639 s = s + dotdotdot; |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
640 } |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents:
1227
diff
changeset
|
641 text = s; |
475905984870
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parents:
1227
diff
changeset
|
642 } else if( text.length() > fragmentSize ) { |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
643 text = text.substring(0,fragmentSize); |
475905984870
improve lucene highlighter and allow bbcode_to_text quoter to be nil
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parents:
1227
diff
changeset
|
644 if( dotdotdot != null ) |
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645 text += "..."; |
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646 } |
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|
647 } |
624
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648 String s = hl.getBestFragment(analyzer,null,text); |
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649 return s!=null ? s : text; |
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|
650 } catch(LuanRuntimeException e) { |
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|
651 throw (LuanException)e.getCause(); |
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652 } catch(IOException e) { |
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653 throw new RuntimeException(e); |
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654 } catch(InvalidTokenOffsetsException e) { |
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655 throw new RuntimeException(e); |
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656 } |
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657 } |
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658 }; |
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659 } |
1341
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660 |
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661 public int count_tokens(String text) |
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662 throws IOException |
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663 { |
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664 int n = 0; |
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665 TokenStream ts = analyzer.tokenStream(null,text); |
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666 ts.reset(); |
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667 while( ts.incrementToken() ) { |
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668 n++; |
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|
669 } |
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670 ts.close(); |
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671 return n; |
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672 } |
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673 |
1387
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674 |
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675 |
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676 public boolean hasPostgresBackup() { |
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677 return postgresBackup != null; |
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678 } |
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679 |
1453 | 680 public void rebuild_postgres_backup(Luan luan) |
1392 | 681 throws IOException, LuanException, SQLException |
1387
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682 { |
1454 | 683 logger.info("start rebuild_postgres_backup"); |
1387
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684 writeLock.lock(); |
1391 | 685 IndexSearcher searcher = openSearcher(); |
1387
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|
686 boolean ok = false; |
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687 try { |
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688 postgresBackup.begin(); |
bc40bc9aab3a
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689 postgresBackup.deleteAll(); |
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690 Query query = new PrefixQuery(new Term("id")); |
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|
691 MyCollector col = new MyCollector() { |
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|
692 @Override public void collect(int iDoc) throws IOException { |
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|
693 try { |
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|
694 Document doc = searcher.doc( docBase + iDoc ); |
1453 | 695 LuanTable tbl = toTable(luan,doc); |
1391 | 696 postgresBackup.add(tbl); |
1387
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|
697 } catch(LuanException e) { |
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|
698 throw new LuanRuntimeException(e); |
1392 | 699 } catch(SQLException e) { |
700 throw new RuntimeException(e); | |
1387
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|
701 } |
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|
702 } |
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|
703 }; |
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|
704 try { |
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|
705 searcher.search(query,col); |
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|
706 } catch(LuanRuntimeException e) { |
bc40bc9aab3a
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parents:
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diff
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|
707 throw (LuanException)e.getCause(); |
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parents:
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diff
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|
708 } |
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Franklin Schmidt <fschmidt@gmail.com>
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changeset
|
709 ok = true; |
bc40bc9aab3a
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parents:
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diff
changeset
|
710 postgresBackup.commit(); |
bc40bc9aab3a
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diff
changeset
|
711 } finally { |
1391 | 712 close(searcher); |
1387
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parents:
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diff
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|
713 if( !ok ) |
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parents:
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|
714 postgresBackup.rollback(); |
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|
715 writeLock.unlock(); |
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|
716 } |
1454 | 717 logger.info("end rebuild_postgres_backup"); |
1387
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|
718 } |
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|
719 |
1528
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|
720 public void restore_from_postgres() |
1447 | 721 throws IOException, LuanException, SQLException, ParseException |
1388
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add restore_from_postgres
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parents:
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|
722 { |
1397 | 723 if( postgresBackup!=null && wasCreated && !postgresBackup.wasCreated ) { |
1454 | 724 logger.error("restoring from postgres"); |
1528
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parents:
1526
diff
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|
725 force_restore_from_postgres(); |
1397 | 726 } |
727 } | |
728 | |
1528
3bd4d7963456
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parents:
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|
729 public void force_restore_from_postgres() |
1447 | 730 throws IOException, LuanException, SQLException, ParseException |
1397 | 731 { |
1454 | 732 logger.warn("start restore_from_postgres"); |
1388
2024d23ddd64
add restore_from_postgres
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diff
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|
733 if( postgresBackup==null ) |
2024d23ddd64
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diff
changeset
|
734 throw new NullPointerException(); |
2024d23ddd64
add restore_from_postgres
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diff
changeset
|
735 if( writeLock.isHeldByCurrentThread() ) |
2024d23ddd64
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|
736 throw new RuntimeException(); |
2024d23ddd64
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|
737 writeLock.lock(); |
2024d23ddd64
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|
738 boolean ok = false; |
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|
739 try { |
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Franklin Schmidt <fschmidt@gmail.com>
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|
740 writer.deleteAll(); |
1528
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|
741 postgresBackup.restoreLucene(this); |
1388
2024d23ddd64
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|
742 ok = true; |
2024d23ddd64
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|
743 writer.commit(); |
1539 | 744 wrote(); |
745 ensure_open(); // refresh searcher | |
746 initId(); | |
1398 | 747 wasCreated = false; |
1388
2024d23ddd64
add restore_from_postgres
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diff
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|
748 } finally { |
2024d23ddd64
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Franklin Schmidt <fschmidt@gmail.com>
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|
749 if( !ok ) { |
2024d23ddd64
add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
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1387
diff
changeset
|
750 writer.rollback(); |
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diff
changeset
|
751 reopen(); |
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diff
changeset
|
752 } |
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diff
changeset
|
753 wrote(); |
2024d23ddd64
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diff
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|
754 writeLock.unlock(); |
2024d23ddd64
add restore_from_postgres
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diff
changeset
|
755 } |
1454 | 756 logger.warn("end restore_from_postgres"); |
1388
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diff
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|
757 } |
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diff
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|
758 |
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|
759 void restore(LuanTable doc) |
1388
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diff
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|
760 throws LuanException, IOException |
2024d23ddd64
add restore_from_postgres
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1387
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|
761 { |
1528
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|
762 writer.addDocument(toLucene(doc)); |
1388
2024d23ddd64
add restore_from_postgres
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diff
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|
763 } |
2024d23ddd64
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|
764 |
1453 | 765 public void check(Luan luan) throws IOException, SQLException, LuanException, ParseException { |
1406 | 766 boolean hasPostgres = postgresBackup != null; |
767 String msg = "start check"; | |
768 if( hasPostgres ) | |
769 msg += " with postgres"; | |
1454 | 770 logger.info(msg); |
1391 | 771 CheckIndex.Status status = new CheckIndex(fsDir).checkIndex(); |
772 if( !status.clean ) | |
1454 | 773 logger.error("index not clean"); |
1538
634f6765830e
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parents:
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diff
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|
774 if( writer instanceof LoggingIndexWriter ) { |
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|
775 LoggingIndexWriter loggingWriter = (LoggingIndexWriter)writer; |
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|
776 logger.info("log check"); |
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|
777 boolean ok = loggingWriter.check(ID_SORT); |
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|
778 } |
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|
779 if( hasPostgres ) { |
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diff
changeset
|
780 logger.info("postgres check"); |
1453 | 781 checkPostgres(luan); |
1538
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|
782 } |
1454 | 783 logger.info("end check"); |
1391 | 784 } |
785 | |
1538
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|
786 public void rebuild_log() throws IOException { |
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diff
changeset
|
787 logger.info("start rebuild_log"); |
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|
788 LoggingIndexWriter loggingWriter = (LoggingIndexWriter)writer; |
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|
789 loggingWriter.newLogs(); |
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790 logger.info("end rebuild_log"); |
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|
791 } |
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|
792 |
1453 | 793 private void checkPostgres(Luan luan) |
1447 | 794 throws IOException, SQLException, LuanException, ParseException |
1430 | 795 { |
796 final PostgresBackup.Checker postgresChecker = postgresBackup.newChecker(); | |
797 final IndexSearcher searcher = openSearcher(); | |
1391 | 798 try { |
799 final List<Long> idsLucene = new ArrayList<Long>(); | |
800 Query query = new PrefixQuery(new Term("id")); | |
801 MyCollector col = new MyCollector() { | |
802 @Override public void collect(int iDoc) throws IOException { | |
803 Document doc = searcher.doc( docBase + iDoc ); | |
804 Long id = (Long)doc.getField("id").numericValue(); | |
805 idsLucene.add(id); | |
806 } | |
807 }; | |
808 searcher.search(query,col); | |
809 Collections.sort(idsLucene); | |
810 final List<Long> idsPostgres = postgresChecker.getIds(); | |
811 final int nLucene = idsLucene.size(); | |
812 final int nPostgres = idsPostgres.size(); | |
813 int iLucene = 0; | |
814 int iPostgres = 0; | |
815 LuanToString lts = new LuanToString(); | |
816 lts.strict = true; | |
817 lts.numberTypes = true; | |
818 while( iLucene < nLucene && iPostgres < nPostgres ) { | |
819 long idLucene = idsLucene.get(iLucene); | |
820 long idPostgres = idsPostgres.get(iPostgres); | |
821 if( idLucene < idPostgres ) { | |
822 iLucene++; | |
1453 | 823 checkPostgres(luan,postgresChecker,lts,idLucene); |
1391 | 824 } else if( idLucene > idPostgres ) { |
825 iPostgres++; | |
1453 | 826 checkPostgres(luan,postgresChecker,lts,idPostgres); |
1391 | 827 } else { // == |
828 LuanTable docPostgres = postgresChecker.getDoc(idPostgres); | |
829 TopDocs td = searcher.search(new TermQuery(term("id",idLucene)),1); | |
830 if( td.totalHits != 1 ) throw new RuntimeException(); | |
831 Document doc = searcher.doc( td.scoreDocs[0].doc ); | |
1453 | 832 LuanTable docLucene = toTable(luan,doc); |
1391 | 833 if( !equal(docPostgres,docLucene) ) { |
1453 | 834 checkPostgres(luan,postgresChecker,lts,idPostgres); |
1391 | 835 } |
836 iLucene++; | |
837 iPostgres++; | |
838 } | |
839 } | |
840 while( iLucene < nLucene ) { | |
841 long idLucene = idsLucene.get(iLucene++); | |
1453 | 842 checkPostgres(luan,postgresChecker,lts,idLucene); |
1391 | 843 } |
844 while( iPostgres < nPostgres ) { | |
845 long idPostgres = idsPostgres.get(iPostgres++); | |
1453 | 846 checkPostgres(luan,postgresChecker,lts,idPostgres); |
1391 | 847 } |
848 } finally { | |
849 close(searcher); | |
850 postgresChecker.close(); | |
851 } | |
852 } | |
853 | |
1453 | 854 private void checkPostgres(Luan luan,PostgresBackup.Checker postgresChecker,LuanToString lts,long id) |
1447 | 855 throws IOException, SQLException, LuanException, ParseException |
1430 | 856 { |
1454 | 857 //logger.info("check id "+id); |
1430 | 858 writeLock.lock(); |
859 try { | |
860 final IndexSearcher searcher = openSearcher(); | |
861 try { | |
862 LuanTable docPostgres = postgresChecker.getDoc(id); | |
863 TopDocs td = searcher.search(new TermQuery(term("id",id)),1); | |
864 LuanTable docLucene; | |
865 if( td.totalHits == 0 ) { | |
866 docLucene = null; | |
867 } else if( td.totalHits == 1 ) { | |
868 Document doc = searcher.doc( td.scoreDocs[0].doc ); | |
1453 | 869 docLucene = toTable(luan,doc); |
1430 | 870 } else |
871 throw new RuntimeException(); | |
872 if( docPostgres == null ) { | |
873 if( docLucene != null ) | |
1454 | 874 logger.error("id "+id+" found in lucene but not postgres"); |
1430 | 875 return; |
876 } | |
877 if( docLucene == null ) { | |
1454 | 878 logger.error("id "+id+" found in postgres but not lucene"); |
1430 | 879 return; |
880 } | |
881 if( !equal(docPostgres,docLucene) ) { | |
1454 | 882 logger.error("id "+id+" not equal"); |
883 logger.error("lucene = "+lts.toString(docLucene)); | |
884 logger.error("postgres = "+lts.toString(docPostgres)); | |
1430 | 885 } |
886 } finally { | |
887 close(searcher); | |
888 } | |
889 } finally { | |
890 writeLock.unlock(); | |
891 } | |
892 } | |
893 | |
1453 | 894 private static boolean equal(LuanTable t1,LuanTable t2) throws LuanException { |
895 return t1!=null && t2!=null && toJava(t1).equals(toJava(t2)); | |
1391 | 896 } |
897 | |
1453 | 898 private static Map toJava(LuanTable t) throws LuanException { |
899 Map map = t.asMap(); | |
1526 | 900 for( Iterator iter = map.entrySet().iterator(); iter.hasNext(); ) { |
901 Map.Entry entry = (Map.Entry)iter.next(); | |
1453 | 902 Object value = entry.getValue(); |
903 if( value instanceof LuanTable ) { | |
904 LuanTable v = (LuanTable)value; | |
905 if( !v.isList() ) | |
1454 | 906 logger.error("not list"); |
1530 | 907 List list = v.asList(); |
908 if( list.isEmpty() ) { | |
1526 | 909 iter.remove(); |
1530 | 910 } else if( list.size() == 1 ) { |
911 entry.setValue(list.get(0)); | |
1526 | 912 } else { |
1530 | 913 entry.setValue(list); |
1526 | 914 } |
1453 | 915 } |
916 } | |
917 return map; | |
918 } | |
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start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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919 } |