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annotate src/luan/modules/lucene/LuceneIndex.java @ 1222:cb422386f6b5

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author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 25 Mar 2018 17:35:30 -0600
parents 3234a14bb1f8
children a12dba1f0787
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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.NullFragmenter;
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60 import org.apache.lucene.search.highlight.QueryScorer;
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61 import org.apache.lucene.search.highlight.TokenGroup;
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62 import luan.modules.lucene.queryparser.SaneQueryParser;
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63 import luan.modules.lucene.queryparser.FieldParser;
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64 import luan.modules.lucene.queryparser.MultiFieldParser;
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65 import luan.modules.lucene.queryparser.StringFieldParser;
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66 import luan.modules.lucene.queryparser.NumberFieldParser;
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67 import luan.lib.parser.ParseException;
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68 import luan.modules.Utils;
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69 import luan.Luan;
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70 import luan.LuanState;
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71 import luan.LuanTable;
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72 import luan.LuanFunction;
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73 import luan.LuanException;
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74 import luan.LuanRuntimeException;
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75 import org.slf4j.Logger;
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76 import org.slf4j.LoggerFactory;
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77
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78
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79 public final class LuceneIndex implements Closeable {
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80 private static final Logger logger = LoggerFactory.getLogger(LuceneIndex.class);
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81
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82 private static final String FLD_NEXT_ID = "nextId";
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83 public static final StringFieldParser STRING_FIELD_PARSER = new StringFieldParser(new KeywordAnalyzer());
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84
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85 private static final Version version = Version.LUCENE_4_9;
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86 private final ReentrantLock writeLock = new ReentrantLock();
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87 private final File indexDir;
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88 private SnapshotDeletionPolicy snapshotDeletionPolicy;
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89 private IndexWriter writer;
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90 private DirectoryReader reader;
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91 private IndexSearcher searcher;
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92 private final ThreadLocal<IndexSearcher> threadLocalSearcher = new ThreadLocal<IndexSearcher>();
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93 private boolean isClosed = true;
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94 private final MultiFieldParser mfp;
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95 public final LuanTable indexed_only_fields = new LuanTable();
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96 private final Analyzer analyzer;
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97
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98 private static ConcurrentMap<File,AtomicInteger> globalWriteCounters = new ConcurrentHashMap<File,AtomicInteger>();
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99 private File fileDir;
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100 private int writeCount;
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101
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102 public LuceneIndex(LuanState luan,String indexDirStr,FieldParser defaultFieldParser,String[] defaultFields) throws LuanException, IOException {
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103 mfp = defaultFieldParser==null ? new MultiFieldParser() : new MultiFieldParser(defaultFieldParser,defaultFields);
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104 mfp.fields.put( "type", STRING_FIELD_PARSER );
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105 mfp.fields.put( "id", NumberFieldParser.LONG );
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106 File indexDir = new File(indexDirStr);
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107 this.indexDir = indexDir;
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108 Analyzer analyzer = STRING_FIELD_PARSER.analyzer;
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109 if( defaultFieldParser instanceof StringFieldParser ) {
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110 StringFieldParser sfp = (StringFieldParser)defaultFieldParser;
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111 analyzer = sfp.analyzer;
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112 }
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113 this.analyzer = analyzer;
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114 luan.onClose(this);
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115 reopen();
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116 }
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117
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118 public void reopen() throws LuanException, IOException {
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119 if( !isClosed ) throw new RuntimeException();
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120 isClosed = false;
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121 IndexWriterConfig conf = new IndexWriterConfig(version,analyzer);
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122 snapshotDeletionPolicy = new SnapshotDeletionPolicy(conf.getIndexDeletionPolicy());
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123 conf.setIndexDeletionPolicy(snapshotDeletionPolicy);
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124 FSDirectory dir = FSDirectory.open(indexDir);
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125 fileDir = dir.getDirectory();
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126 globalWriteCounters.putIfAbsent(fileDir,new AtomicInteger());
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diff changeset
127 writer = new IndexWriter(dir,conf);
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128 writer.commit(); // commit index creation
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129 reader = DirectoryReader.open(dir);
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130 searcher = new IndexSearcher(reader);
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diff changeset
131 initId();
233
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132 }
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diff changeset
133
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134 private int globalWriteCount() {
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135 return globalWriteCounters.get(fileDir).get();
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136 }
230
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137
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138 private void wrote() {
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139 globalWriteCounters.get(fileDir).incrementAndGet();
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diff changeset
140 }
230
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141
252
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diff changeset
142 public void delete_all() throws IOException {
546
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143 boolean commit = !writeLock.isHeldByCurrentThread();
252
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diff changeset
144 writeLock.lock();
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diff changeset
145 try {
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146 writer.deleteAll();
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147 id = idLim = 0;
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148 if(commit) writer.commit();
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149 } finally {
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150 wrote();
546
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151 writeLock.unlock();
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152 }
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153 }
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154
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155 private static Term term(String key,long value) {
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diff changeset
156 BytesRef br = new BytesRef();
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157 NumericUtils.longToPrefixCoded(value,0,br);
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158 return new Term(key,br);
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159 }
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160
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diff changeset
161 public void delete(LuanState luan,String queryStr) throws LuanException, IOException, ParseException {
622
1a53333eb4d5 remove Lucene all_search_terms_must_match() since now query suffix "~a" handles this
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162 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
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163
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164 boolean commit = !writeLock.isHeldByCurrentThread();
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165 writeLock.lock();
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166 try {
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167 writer.deleteDocuments(query);
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168 if(commit) writer.commit();
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169 } finally {
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170 wrote();
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171 writeLock.unlock();
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172 }
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173 }
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174
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175 public void save(LuanState luan,LuanTable doc) throws LuanException, IOException {
618
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176 Set indexedOnlySet = new HashSet();
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177 Object typeObj = doc.get(luan,"type");
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178 if( typeObj==null )
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179 throw new LuanException("missing 'type' field");
618
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diff changeset
180 if( !(typeObj instanceof String) )
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diff changeset
181 throw new LuanException("type must be string");
618
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diff changeset
182 String type = (String)typeObj;
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183 Object indexedOnlyObj = indexed_only_fields.get(luan,type);
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diff changeset
184 if( indexedOnlyObj != null ) {
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diff changeset
185 if( !(indexedOnlyObj instanceof LuanTable) )
646
cdc70de628b5 simplify LuanException
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diff changeset
186 throw new LuanException("indexed_only_fields elements must be tables");
618
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diff changeset
187 LuanTable indexedOnly = (LuanTable)indexedOnlyObj;
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parents: 617
diff changeset
188 for( Map.Entry<Object,Object> entry : indexedOnly.iterable(luan) ) {
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diff changeset
189 Object key = entry.getKey();
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parents: 617
diff changeset
190 if( !(key instanceof String) )
646
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parents: 624
diff changeset
191 throw new LuanException("indexed_only_fields."+type+" entries must be strings");
618
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diff changeset
192 String name = (String)key;
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parents: 617
diff changeset
193 Object value = entry.getValue();
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parents: 617
diff changeset
194 if( !(value instanceof LuanFunction) )
646
cdc70de628b5 simplify LuanException
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diff changeset
195 throw new LuanException("indexed_only_fields."+type+" values must be functions");
618
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diff changeset
196 LuanFunction fn = (LuanFunction)value;
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parents: 617
diff changeset
197 value = Luan.first(fn.call(luan,new Object[]{doc}));
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diff changeset
198 doc.put(luan, name, value );
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diff changeset
199 indexedOnlySet.add(name);
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diff changeset
200 }
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
201 }
601
d36027b41570 better error message
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parents: 599
diff changeset
202 Object obj = doc.get(luan,"id");
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parents: 599
diff changeset
203 Long id;
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parents: 599
diff changeset
204 try {
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parents: 599
diff changeset
205 id = (Long)obj;
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parents: 599
diff changeset
206 } catch(ClassCastException e) {
646
cdc70de628b5 simplify LuanException
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parents: 624
diff changeset
207 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
208 }
546
eaef1005ab87 general lucene cleanup
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diff changeset
209
eaef1005ab87 general lucene cleanup
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diff changeset
210 boolean commit = !writeLock.isHeldByCurrentThread();
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diff changeset
211 writeLock.lock();
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parents: 545
diff changeset
212 try {
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diff changeset
213 if( id == null ) {
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parents: 545
diff changeset
214 id = nextId(luan);
575
7c3ad6db8ac3 make LuanState.JAVA private
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parents: 574
diff changeset
215 doc.put(luan,"id",id);
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
216 writer.addDocument(toLucene(luan,doc,indexedOnlySet));
546
eaef1005ab87 general lucene cleanup
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diff changeset
217 } else {
618
5e495e4e560b add lucene indexed_only_fields
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parents: 617
diff changeset
218 writer.updateDocument( term("id",id), toLucene(luan,doc,indexedOnlySet) );
546
eaef1005ab87 general lucene cleanup
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diff changeset
219 }
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diff changeset
220 if(commit) writer.commit();
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parents: 545
diff changeset
221 } finally {
704
90c89138c234 optimize lucene
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parents: 696
diff changeset
222 wrote();
546
eaef1005ab87 general lucene cleanup
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diff changeset
223 writeLock.unlock();
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parents: 545
diff changeset
224 }
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
225 }
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
226
eaef1005ab87 general lucene cleanup
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diff changeset
227 public void update_in_transaction(LuanState luan,LuanFunction fn) throws IOException, LuanException {
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parents: 545
diff changeset
228 boolean commit = !writeLock.isHeldByCurrentThread();
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diff changeset
229 writeLock.lock();
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parents: 545
diff changeset
230 try {
574
6cc2f047019b remove LuanState.call()
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parents: 572
diff changeset
231 fn.call(luan);
546
eaef1005ab87 general lucene cleanup
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diff changeset
232 if(commit) writer.commit();
252
3896138955b1 web testing...
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parents: 233
diff changeset
233 } finally {
704
90c89138c234 optimize lucene
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parents: 696
diff changeset
234 wrote();
252
3896138955b1 web testing...
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parents: 233
diff changeset
235 writeLock.unlock();
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parents: 233
diff changeset
236 }
3896138955b1 web testing...
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parents: 233
diff changeset
237 }
3896138955b1 web testing...
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parents: 233
diff changeset
238
756
9092e52f94eb better synchronization for lucene restore
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parents: 754
diff changeset
239 public void run_in_lock(LuanState luan,LuanFunction fn) throws IOException, LuanException {
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parents: 754
diff changeset
240 if( writeLock.isHeldByCurrentThread() )
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parents: 754
diff changeset
241 throw new RuntimeException();
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parents: 754
diff changeset
242 writeLock.lock();
9092e52f94eb better synchronization for lucene restore
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parents: 754
diff changeset
243 try {
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diff changeset
244 synchronized(this) {
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diff changeset
245 fn.call(luan);
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parents: 754
diff changeset
246 }
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parents: 754
diff changeset
247 } finally {
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parents: 754
diff changeset
248 wrote();
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parents: 754
diff changeset
249 writeLock.unlock();
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parents: 754
diff changeset
250 }
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parents: 754
diff changeset
251 }
9092e52f94eb better synchronization for lucene restore
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parents: 754
diff changeset
252
230
4438cb2e04d0 start lucene
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parents:
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253
754
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parents: 730
diff changeset
254 private long id;
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parents: 730
diff changeset
255 private long idLim;
230
4438cb2e04d0 start lucene
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parents:
diff changeset
256 private final int idBatch = 10;
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parents:
diff changeset
257
646
cdc70de628b5 simplify LuanException
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parents: 624
diff changeset
258 private void initId() throws LuanException, IOException {
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
259 TopDocs td = searcher.search(new TermQuery(new Term("type","next_id")),1);
230
4438cb2e04d0 start lucene
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parents:
diff changeset
260 switch(td.totalHits) {
4438cb2e04d0 start lucene
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parents:
diff changeset
261 case 0:
754
1a101ac9ea46 add lucene restore
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parents: 730
diff changeset
262 id = 0;
1a101ac9ea46 add lucene restore
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parents: 730
diff changeset
263 idLim = 0;
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parents: 730
diff changeset
264 break;
230
4438cb2e04d0 start lucene
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parents:
diff changeset
265 case 1:
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
266 idLim = (Long)searcher.doc(td.scoreDocs[0].doc).getField(FLD_NEXT_ID).numericValue();
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
267 id = idLim;
4438cb2e04d0 start lucene
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parents:
diff changeset
268 break;
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parents:
diff changeset
269 default:
4438cb2e04d0 start lucene
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parents:
diff changeset
270 throw new RuntimeException();
4438cb2e04d0 start lucene
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parents:
diff changeset
271 }
4438cb2e04d0 start lucene
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parents:
diff changeset
272 }
4438cb2e04d0 start lucene
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parents:
diff changeset
273
617
e54c1646eed0 add Lucene.next_id()
Franklin Schmidt <fschmidt@gmail.com>
parents: 601
diff changeset
274 public synchronized long nextId(LuanState luan) throws LuanException, IOException {
544
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275 if( ++id > idLim ) {
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276 idLim += idBatch;
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23b99a5039b5 remove Luan.newTable()
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277 LuanTable doc = new LuanTable();
427
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278 doc.rawPut( "type", "next_id" );
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diff changeset
279 doc.rawPut( FLD_NEXT_ID, idLim );
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diff changeset
280 writer.updateDocument(new Term("type","next_id"),toLucene(luan,doc,Collections.EMPTY_SET));
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diff changeset
281 wrote();
230
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282 }
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283 return id;
230
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284 }
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285
707
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
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diff changeset
286 /*
646
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diff changeset
287 public void backup(String zipFile) throws LuanException, IOException {
230
4438cb2e04d0 start lucene
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288 if( !zipFile.endsWith(".zip") )
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289 throw new LuanException("file "+zipFile+" doesn't end with '.zip'");
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290 IndexCommit ic = snapshotDeletionPolicy.snapshot();
230
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291 try {
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292 ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFile));
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293 for( String fileName : ic.getFileNames() ) {
230
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294 out.putNextEntry(new ZipEntry(fileName));
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295 FileInputStream in = new FileInputStream(new File(indexDir,fileName));
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296 Utils.copyAll(in,out);
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297 in.close();
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298 out.closeEntry();
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299 }
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300 out.close();
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301 } finally {
546
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diff changeset
302 snapshotDeletionPolicy.release(ic);
230
4438cb2e04d0 start lucene
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303 }
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304 }
707
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diff changeset
305 */
1129
3234a14bb1f8 minor lucene changes
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diff changeset
306 public SnapshotDeletionPolicy snapshotDeletionPolicy() {
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307 return snapshotDeletionPolicy;
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diff changeset
308 }
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309
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diff changeset
310 public Object snapshot(LuanState luan,LuanFunction fn) throws LuanException, IOException {
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diff changeset
311 IndexCommit ic = snapshotDeletionPolicy.snapshot();
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diff changeset
312 try {
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diff changeset
313 String dir = fileDir.toString();
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diff changeset
314 LuanTable fileNames = new LuanTable(new ArrayList(ic.getFileNames()));
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diff changeset
315 return fn.call(luan,new Object[]{dir,fileNames});
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diff changeset
316 } finally {
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diff changeset
317 snapshotDeletionPolicy.release(ic);
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diff changeset
318 }
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diff changeset
319 }
230
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320
4438cb2e04d0 start lucene
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321
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322
4438cb2e04d0 start lucene
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323 public String to_string() {
4438cb2e04d0 start lucene
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324 return writer.getDirectory().toString();
4438cb2e04d0 start lucene
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325 }
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parents:
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326
303
fdb4bd391c28 add lucene close();
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parents: 287
diff changeset
327 public void close() throws IOException {
521
8a217fe5b4f3 cleaner LuanState.onClose()
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diff changeset
328 if( !isClosed ) {
8a217fe5b4f3 cleaner LuanState.onClose()
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diff changeset
329 writer.close();
8a217fe5b4f3 cleaner LuanState.onClose()
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diff changeset
330 reader.close();
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diff changeset
331 isClosed = true;
8a217fe5b4f3 cleaner LuanState.onClose()
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diff changeset
332 }
8a217fe5b4f3 cleaner LuanState.onClose()
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parents: 427
diff changeset
333 }
8a217fe5b4f3 cleaner LuanState.onClose()
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parents: 427
diff changeset
334
8a217fe5b4f3 cleaner LuanState.onClose()
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parents: 427
diff changeset
335 protected void finalize() throws Throwable {
8a217fe5b4f3 cleaner LuanState.onClose()
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parents: 427
diff changeset
336 if( !isClosed ) {
8a217fe5b4f3 cleaner LuanState.onClose()
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parents: 427
diff changeset
337 logger.error("not closed");
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parents: 427
diff changeset
338 close();
8a217fe5b4f3 cleaner LuanState.onClose()
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parents: 427
diff changeset
339 }
8a217fe5b4f3 cleaner LuanState.onClose()
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parents: 427
diff changeset
340 super.finalize();
230
4438cb2e04d0 start lucene
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parents:
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341 }
4438cb2e04d0 start lucene
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parents:
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342
312
d34be4588556 add lucene query parsing
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parents: 303
diff changeset
343
544
c5a93767cc5c lucene overhaul, untested
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diff changeset
344
545
ddcd4296107a clean up lucene search
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diff changeset
345 private static class DocFn extends LuanFunction {
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parents: 544
diff changeset
346 final IndexSearcher searcher;
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diff changeset
347 int docID;
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diff changeset
348
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diff changeset
349 DocFn(IndexSearcher searcher) {
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diff changeset
350 this.searcher = searcher;
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diff changeset
351 }
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diff changeset
352
ddcd4296107a clean up lucene search
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diff changeset
353 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
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parents: 544
diff changeset
354 try {
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
355 return toTable(searcher.doc(docID));
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
356 } catch(IOException e) {
646
cdc70de628b5 simplify LuanException
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parents: 624
diff changeset
357 throw new LuanException(e);
545
ddcd4296107a clean up lucene search
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diff changeset
358 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
359 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
360 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
361
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
362 private static abstract class MyCollector extends Collector {
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parents: 544
diff changeset
363 int docBase;
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
364 int i = 0;
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
365
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
366 @Override public void setScorer(Scorer scorer) {}
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
367 @Override public void setNextReader(AtomicReaderContext context) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
368 this.docBase = context.docBase;
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parents: 544
diff changeset
369 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
370 @Override public boolean acceptsDocsOutOfOrder() {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
371 return true;
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
372 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
373 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
374
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
375 private synchronized IndexSearcher openSearcher() throws IOException {
704
90c89138c234 optimize lucene
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parents: 696
diff changeset
376 int gwc = globalWriteCount();
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
377 if( writeCount != gwc ) {
90c89138c234 optimize lucene
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parents: 696
diff changeset
378 writeCount = gwc;
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
379 DirectoryReader newReader = DirectoryReader.openIfChanged(reader);
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
380 if( newReader != null ) {
90c89138c234 optimize lucene
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parents: 696
diff changeset
381 reader.decRef();
90c89138c234 optimize lucene
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parents: 696
diff changeset
382 reader = newReader;
90c89138c234 optimize lucene
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parents: 696
diff changeset
383 searcher = new IndexSearcher(reader);
90c89138c234 optimize lucene
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parents: 696
diff changeset
384 }
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
385 }
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
386 reader.incRef();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
387 return searcher;
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
388 }
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
389
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
390 // call in finally block
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
391 private static void close(IndexSearcher searcher) throws IOException {
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
392 searcher.getIndexReader().decRef();
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
393 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
394
591
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
395 public void ensure_open() throws IOException {
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
396 close(openSearcher());
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
397 }
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
398
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
399 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
400 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
401 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
545
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
402 IndexSearcher searcher = threadLocalSearcher.get();
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
403 boolean inTransaction = searcher != null;
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
404 if( !inTransaction )
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parents: 544
diff changeset
405 searcher = openSearcher();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
406 try {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
407 if( fn!=null && n==null ) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
408 if( sortStr != null )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
409 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
410 final DocFn docFn = new DocFn(searcher);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
411 MyCollector col = new MyCollector() {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
412 @Override public void collect(int doc) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
413 try {
547
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
Franklin Schmidt <fschmidt@gmail.com>
parents: 546
diff changeset
414 docFn.docID = docBase + doc;
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
415 fn.call(luan,new Object[]{++i,docFn});
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
416 } catch(LuanException e) {
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
417 throw new LuanRuntimeException(e);
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
418 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
419 }
ddcd4296107a clean up lucene search
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parents: 544
diff changeset
420 };
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
421 try {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
422 searcher.search(query,col);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
423 } catch(LuanRuntimeException e) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
424 throw (LuanException)e.getCause();
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 return col.i;
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 if( fn==null || n==0 ) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
429 TotalHitCountCollector thcc = new TotalHitCountCollector();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
430 searcher.search(query,thcc);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
431 return thcc.getTotalHits();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
432 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
433 Sort sort = sortStr==null ? null : SaneQueryParser.parseSort(mfp,sortStr);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
434 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
435 final ScoreDoc[] scoreDocs = td.scoreDocs;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
436 DocFn docFn = new DocFn(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
437 for( int i=0; i<scoreDocs.length; i++ ) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
438 docFn.docID = scoreDocs[i].doc;
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
439 fn.call(luan,new Object[]{i+1,docFn});
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
440 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
441 return td.totalHits;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
442 } finally {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
443 if( !inTransaction )
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
444 close(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
445 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
446 }
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 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
449 if( threadLocalSearcher.get() != null )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
450 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
451 IndexSearcher searcher = openSearcher();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
452 threadLocalSearcher.set(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
453 try {
574
6cc2f047019b remove LuanState.call()
Franklin Schmidt <fschmidt@gmail.com>
parents: 572
diff changeset
454 return fn.call(luan);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
455 } finally {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
456 threadLocalSearcher.set(null);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
457 close(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
458 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
459 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
460
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
461
796
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
462 public FieldParser getIndexedFieldParser(String field) {
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
463 return mfp.fields.get(field);
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
464 }
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
465
796
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
466 public void setIndexedFieldParser(String field,FieldParser fp) {
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
467 if( fp==null ) { // delete
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
468 mfp.fields.remove(field);
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
469 return;
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
470 }
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
471 mfp.fields.put( field, fp );
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
472 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
473
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
474
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
475 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
476 throws LuanException
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
477 {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
478 if( value instanceof String ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
479 String s = (String)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
480 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
481 if( fp != null ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
482 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
483 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
484 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
485 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
486 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
487 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
488 return new StoredField(name, s);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
489 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
490 } else if( value instanceof Integer ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
491 int i = (Integer)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
492 if( indexed.contains(name) ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
493 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
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, i);
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 Long ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
498 long i = (Long)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 LongField(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 Double ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
505 double i = (Double)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 DoubleField(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 byte[] ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
512 byte[] b = (byte[])value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
513 return new StoredField(name, b);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
514 } else
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
515 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
516 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
517
618
5e495e4e560b add lucene indexed_only_fields
Franklin Schmidt <fschmidt@gmail.com>
parents: 617
diff changeset
518 private Document toLucene(LuanState luan,LuanTable table,Set indexOnly) throws LuanException {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
519 Set<String> indexed = mfp.fields.keySet();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
520 Document doc = new Document();
575
7c3ad6db8ac3 make LuanState.JAVA private
Franklin Schmidt <fschmidt@gmail.com>
parents: 574
diff changeset
521 for( Map.Entry<Object,Object> entry : table.iterable(luan) ) {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
522 Object key = entry.getKey();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
523 if( !(key instanceof String) )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
524 throw new LuanException("key must be string");
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
525 String name = (String)key;
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
526 Object value = entry.getValue();
618
5e495e4e560b add lucene indexed_only_fields
Franklin Schmidt <fschmidt@gmail.com>
parents: 617
diff changeset
527 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
528 if( !(value instanceof LuanTable) ) {
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
529 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
530 } else { // list
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
531 LuanTable list = (LuanTable)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
532 for( Object el : list.asList() ) {
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
533 doc.add(newField(name, el, store, indexed));
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
534 }
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
535 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
536 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
537 return doc;
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
538 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
539
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
540 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
541 BytesRef br = ifld.binaryValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
542 if( br != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
543 return br.bytes;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
544 Number n = ifld.numericValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
545 if( n != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
546 return n;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
547 String s = ifld.stringValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
548 if( s != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
549 return s;
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
550 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
551 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
552
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
553 private static LuanTable toTable(Document doc) throws LuanException {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
554 if( doc==null )
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
555 return null;
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
556 LuanTable table = new LuanTable();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
557 for( IndexableField ifld : doc ) {
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
558 String name = ifld.name();
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
559 Object value = getValue(ifld);
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
560 Object old = table.rawGet(name);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
561 if( old == null ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
562 table.rawPut(name,value);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
563 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
564 LuanTable list;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
565 if( old instanceof LuanTable ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
566 list = (LuanTable)old;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
567 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
568 list = new LuanTable();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
569 list.rawPut(1,old);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
570 table.rawPut(name,list);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
571 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
572 list.rawPut(list.rawLength()+1,value);
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
573 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
574 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
575 return table;
312
d34be4588556 add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 303
diff changeset
576 }
d34be4588556 add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 303
diff changeset
577
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
578
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
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579 public LuanFunction highlighter(LuanState luan,String queryStr,LuanFunction formatter) throws ParseException {
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580 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
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Franklin Schmidt <fschmidt@gmail.com>
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581 Formatter fmt = new Formatter() {
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parents: 622
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582 public String highlightTerm(String originalText,TokenGroup tokenGroup) {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 622
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583 if( tokenGroup.getTotalScore() <= 0 )
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Franklin Schmidt <fschmidt@gmail.com>
parents: 622
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584 return originalText;
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parents: 622
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585 try {
8281a248c47e add lucene highlighter
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parents: 622
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586 return (String)Luan.first(formatter.call(luan,new Object[]{originalText}));
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Franklin Schmidt <fschmidt@gmail.com>
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587 } catch(LuanException e) {
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Franklin Schmidt <fschmidt@gmail.com>
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588 throw new LuanRuntimeException(e);
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589 }
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Franklin Schmidt <fschmidt@gmail.com>
parents: 622
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590 }
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Franklin Schmidt <fschmidt@gmail.com>
parents: 622
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591 };
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parents: 622
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592 Highlighter hl = new Highlighter( fmt, new QueryScorer(query) );
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Franklin Schmidt <fschmidt@gmail.com>
parents: 622
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593 hl.setTextFragmenter( new NullFragmenter() );
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594 return new LuanFunction() {
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parents: 622
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595 @Override public String call(LuanState luan,Object[] args) throws LuanException {
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596 String text = (String)args[0];
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597 try {
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598 String s = hl.getBestFragment(analyzer,null,text);
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Franklin Schmidt <fschmidt@gmail.com>
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599 return s!=null ? s : text;
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Franklin Schmidt <fschmidt@gmail.com>
parents: 622
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600 } catch(LuanRuntimeException e) {
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601 throw (LuanException)e.getCause();
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602 } catch(IOException e) {
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Franklin Schmidt <fschmidt@gmail.com>
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603 throw new RuntimeException(e);
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Franklin Schmidt <fschmidt@gmail.com>
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604 } catch(InvalidTokenOffsetsException e) {
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Franklin Schmidt <fschmidt@gmail.com>
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605 throw new RuntimeException(e);
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Franklin Schmidt <fschmidt@gmail.com>
parents: 622
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606 }
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Franklin Schmidt <fschmidt@gmail.com>
parents: 622
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607 }
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Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
608 };
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Franklin Schmidt <fschmidt@gmail.com>
parents: 622
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609 }
230
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
610 }