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annotate src/luan/modules/lucene/LuceneIndex.java @ 1390:179c4882c6b6

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backup work
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 04 Sep 2019 00:06:42 -0600
parents 2024d23ddd64
children 94f48cc76de8
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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.Arrays;
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9 import java.util.Iterator;
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10 import java.util.Map;
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11 import java.util.HashMap;
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12 import java.util.List;
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13 import java.util.ArrayList;
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14 import java.util.Set;
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15 import java.util.HashSet;
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16 import java.util.Collections;
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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.TokenStream;
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24 import org.apache.lucene.analysis.core.KeywordAnalyzer;
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25 import org.apache.lucene.analysis.en.EnglishAnalyzer;
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26 import org.apache.lucene.document.Document;
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27 import org.apache.lucene.document.Field;
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28 import org.apache.lucene.document.StoredField;
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29 import org.apache.lucene.document.StringField;
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30 import org.apache.lucene.document.TextField;
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31 import org.apache.lucene.document.IntField;
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32 import org.apache.lucene.document.LongField;
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33 import org.apache.lucene.document.DoubleField;
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34 import org.apache.lucene.index.IndexableField;
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35 import org.apache.lucene.index.IndexWriter;
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36 import org.apache.lucene.index.IndexWriterConfig;
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37 import org.apache.lucene.index.DirectoryReader;
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38 import org.apache.lucene.index.Term;
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39 import org.apache.lucene.index.SnapshotDeletionPolicy;
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40 import org.apache.lucene.index.IndexCommit;
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41 import org.apache.lucene.index.AtomicReaderContext;
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42 import org.apache.lucene.store.Directory;
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43 import org.apache.lucene.store.FSDirectory;
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44 import org.apache.lucene.util.Version;
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45 import org.apache.lucene.util.BytesRef;
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46 import org.apache.lucene.util.NumericUtils;
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47 import org.apache.lucene.search.Query;
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48 import org.apache.lucene.search.PrefixQuery;
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49 import org.apache.lucene.search.TermQuery;
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50 import org.apache.lucene.search.TopDocs;
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51 import org.apache.lucene.search.Sort;
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52 import org.apache.lucene.search.SortField;
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53 import org.apache.lucene.search.IndexSearcher;
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54 import org.apache.lucene.search.TotalHitCountCollector;
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55 import org.apache.lucene.search.ScoreDoc;
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56 import org.apache.lucene.search.Collector;
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57 import org.apache.lucene.search.Scorer;
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58 import org.apache.lucene.search.Explanation;
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59 import org.apache.lucene.search.highlight.Formatter;
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60 import org.apache.lucene.search.highlight.Highlighter;
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61 import org.apache.lucene.search.highlight.InvalidTokenOffsetsException;
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62 import org.apache.lucene.search.highlight.Fragmenter;
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63 import org.apache.lucene.search.highlight.NullFragmenter;
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64 import org.apache.lucene.search.highlight.SimpleSpanFragmenter;
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65 import org.apache.lucene.search.highlight.QueryScorer;
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66 import org.apache.lucene.search.highlight.TokenGroup;
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67 import luan.lib.queryparser.SaneQueryParser;
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68 import luan.lib.queryparser.FieldParser;
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69 import luan.lib.queryparser.MultiFieldParser;
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70 import luan.lib.queryparser.StringFieldParser;
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71 import luan.lib.queryparser.NumberFieldParser;
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72 import luan.lib.parser.ParseException;
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73 import luan.modules.Utils;
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74 import luan.Luan;
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75 import luan.LuanTable;
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76 import luan.LuanFunction;
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77 import luan.LuanException;
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78 import luan.LuanRuntimeException;
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79 import luan.lib.logging.Logger;
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80 import luan.lib.logging.LoggerFactory;
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81
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82
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83 public final class LuceneIndex {
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84 private static final Logger logger = LoggerFactory.getLogger(LuceneIndex.class);
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85
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86 private static final class Closer implements Closeable {
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87 final LuceneIndex li;
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88 boolean isClosed = false;
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89 private final Exception created = new Exception("created");
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90
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91 Closer(Luan luan,LuceneIndex li) {
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92 this.li = li;
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93 luan.onClose(this);
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94 }
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95
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96 public void close() throws IOException {
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97 if( !isClosed ) {
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98 li.close();
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99 isClosed = true;
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100 }
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101 }
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102
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103 protected void finalize() throws Throwable {
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104 if( !isClosed ) {
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105 logger.error("not closed",created);
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106 close();
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107 }
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108 super.finalize();
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109 }
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110 }
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111
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112 private static Map<String,LuceneIndex> indexes = new HashMap<String,LuceneIndex>();
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113
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114 public static Object[] getLuceneIndex(Luan luan,File indexDir,FieldParser defaultFieldParser,String[] defaultFields,LuanFunction completer)
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115 throws LuanException, IOException
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116 {
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117 String key = indexDir.getCanonicalPath();
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118 synchronized(indexes) {
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119 LuceneIndex li = indexes.get(key);
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120 if( li == null ) {
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121 li = new LuceneIndex(indexDir,defaultFieldParser,defaultFields,key,completer);
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122 li.openCount = 1;
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123 indexes.put(key,li);
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124 } else {
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125 if( defaultFieldParser != li.defaultFieldParser )
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126 throw new LuanException("default_type doesn't match previous use");
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127 if( !Arrays.equals(defaultFields,li.defaultFields) )
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128 throw new LuanException("default_fields don't match previous use");
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129 li.openCount++;
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130 }
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131 return new Object[]{li,new Closer(luan,li)};
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132 }
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133 }
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134
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135 private static final Version version = Version.LUCENE_4_9;
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136 private static final String FLD_NEXT_ID = "nextId";
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137 public static final StringFieldParser STRING_FIELD_PARSER = new StringFieldParser(new KeywordAnalyzer());
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138 public static final StringFieldParser ENGLISH_FIELD_PARSER = new StringFieldParser(new EnglishAnalyzer(version));
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139
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140 private final ReentrantLock writeLock = new ReentrantLock();
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141 private final File indexDir;
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142 private SnapshotDeletionPolicy snapshotDeletionPolicy;
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143 private IndexWriter writer;
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144 private DirectoryReader reader;
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145 private IndexSearcher searcher;
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146 private final ThreadLocal<IndexSearcher> threadLocalSearcher = new ThreadLocal<IndexSearcher>();
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147 private final MultiFieldParser mfp;
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148 private final Analyzer analyzer;
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149
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150 private File fileDir;
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151 private int writeCount;
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152 private AtomicInteger writeCounter = new AtomicInteger();
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153
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154 private Set<String> indexOnly = new HashSet<String>();
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155
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156 private int openCount;
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157 private final String key;
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158 private final FieldParser defaultFieldParser;
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159 private final String[] defaultFields;
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160
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161 private final PostgresBackup postgresBackup;
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162
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163 private LuceneIndex(File indexDir,FieldParser defaultFieldParser,String[] defaultFields,String key,LuanFunction completer)
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164 throws LuanException, IOException
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165 {
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166 this.key = key;
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167 this.defaultFieldParser = defaultFieldParser;
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168 this.defaultFields = defaultFields;
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169 mfp = defaultFieldParser==null ? new MultiFieldParser() : new MultiFieldParser(defaultFieldParser,defaultFields);
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170 mfp.fields.put( "type", STRING_FIELD_PARSER );
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171 mfp.fields.put( "id", NumberFieldParser.LONG );
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172 this.indexDir = indexDir;
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173 Analyzer analyzer = STRING_FIELD_PARSER.analyzer;
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174 if( defaultFieldParser instanceof StringFieldParser ) {
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175 StringFieldParser sfp = (StringFieldParser)defaultFieldParser;
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176 analyzer = sfp.analyzer;
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177 }
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178 this.analyzer = analyzer;
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179 boolean wasCreated = reopen();
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180 postgresBackup = completer!=null ? PostgresBackup.newInstance() : null;
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181 if( postgresBackup != null ) {
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182 if( !wasCreated && postgresBackup.wasCreated ) {
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183 logger.error("rebuilding postgres backup");
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184 rebuild_postgres_backup(completer);
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185 } else if( wasCreated && !postgresBackup.wasCreated ) {
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186 logger.error("restoring from postgres");
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187 restore_from_postgres();
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188 }
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189 }
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190 }
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191
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192 public boolean reopen() throws IOException {
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193 IndexWriterConfig conf = new IndexWriterConfig(version,analyzer);
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194 snapshotDeletionPolicy = new SnapshotDeletionPolicy(conf.getIndexDeletionPolicy());
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195 conf.setIndexDeletionPolicy(snapshotDeletionPolicy);
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196 FSDirectory dir = FSDirectory.open(indexDir);
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197 fileDir = dir.getDirectory();
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198 boolean wasCreated = !fileDir.exists();
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199 writer = new IndexWriter(dir,conf);
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200 writer.commit(); // commit index creation
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201 reader = DirectoryReader.open(dir);
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202 searcher = new IndexSearcher(reader);
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203 initId();
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204 return wasCreated;
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205 }
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206
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207 private void wrote() {
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208 writeCounter.incrementAndGet();
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209 }
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210
252
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211 public void delete_all() throws IOException {
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212 boolean commit = !writeLock.isHeldByCurrentThread();
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213 writeLock.lock();
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214 try {
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215 writer.deleteAll();
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216 id = idLim = 0;
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217 if( postgresBackup != null )
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218 postgresBackup.deleteAll();
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219 if(commit) writer.commit();
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220 } finally {
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221 wrote();
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222 writeLock.unlock();
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223 }
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224 }
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225
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226 private static Term term(String key,long value) {
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227 BytesRef br = new BytesRef();
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228 NumericUtils.longToPrefixCoded(value,0,br);
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229 return new Term(key,br);
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230 }
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231
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232 private void backupDelete(Query query)
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233 throws IOException
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234 {
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235 if( postgresBackup != null ) {
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236 final List<Long> ids = new ArrayList<Long>();
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237 IndexSearcher searcher = openSearcher();
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238 MyCollector col = new MyCollector() {
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239 @Override public void collect(int iDoc) throws IOException {
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240 Document doc = searcher.doc( docBase + iDoc );
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241 Long id = (Long)doc.getField("id").numericValue();
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242 ids.add(id);
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243 }
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244 };
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245 searcher.search(query,col);
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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
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254 public void delete(String queryStr)
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255 throws IOException, ParseException
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256 {
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257 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
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diff changeset
258
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diff changeset
259 boolean commit = !writeLock.isHeldByCurrentThread();
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diff changeset
260 writeLock.lock();
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diff changeset
261 try {
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262 backupDelete(query);
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diff changeset
263 writer.deleteDocuments(query);
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diff changeset
264 if(commit) writer.commit();
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diff changeset
265 } finally {
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266 wrote();
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267 writeLock.unlock();
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268 }
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diff changeset
269 }
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diff changeset
270
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diff changeset
271 public void indexed_only_fields(List<String> fields) {
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diff changeset
272 indexOnly.addAll(fields);
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273 }
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274
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diff changeset
275 public void save(LuanTable doc,LuanTable boosts)
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diff changeset
276 throws LuanException, IOException
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diff changeset
277 {
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278 if( boosts!=null && postgresBackup!=null )
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279 logger.error("boosts are not saved to postgres backup");
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280
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281 Object obj = doc.get("id");
601
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diff changeset
282 Long id;
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diff changeset
283 try {
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diff changeset
284 id = (Long)obj;
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parents: 599
diff changeset
285 } catch(ClassCastException e) {
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cdc70de628b5 simplify LuanException
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diff changeset
286 throw new LuanException("id should be Long but is "+obj.getClass().getSimpleName());
601
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287 }
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288
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289 boolean commit = !writeLock.isHeldByCurrentThread();
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290 writeLock.lock();
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diff changeset
291 try {
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diff changeset
292 if( id == null ) {
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293 id = nextId();
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9fa8b8389578 add LuanTable.luan;
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294 doc.put("id",id);
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295 writer.addDocument(toLucene(doc,boosts));
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296 if( postgresBackup != null )
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297 postgresBackup.add(id,doc);
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diff changeset
298 } else {
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7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
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diff changeset
299 writer.updateDocument( term("id",id), toLucene(doc,boosts) );
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300 if( postgresBackup != null )
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diff changeset
301 postgresBackup.update(id,doc);
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302 }
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diff changeset
303 if(commit) writer.commit();
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diff changeset
304 } finally {
704
90c89138c234 optimize lucene
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diff changeset
305 wrote();
546
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diff changeset
306 writeLock.unlock();
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diff changeset
307 }
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diff changeset
308 }
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diff changeset
309
1379
87a3738d7cc5 run_in_transaction
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diff changeset
310 public Object run_in_transaction(LuanFunction fn) throws IOException, LuanException {
546
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diff changeset
311 boolean commit = !writeLock.isHeldByCurrentThread();
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diff changeset
312 writeLock.lock();
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diff changeset
313 boolean ok = false;
546
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diff changeset
314 try {
1387
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315 if( commit && postgresBackup != null )
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316 postgresBackup.begin();
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diff changeset
317 Object rtn = fn.call();
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diff changeset
318 ok = true;
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319 if(commit) {
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320 if( postgresBackup != null )
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diff changeset
321 postgresBackup.commit();
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diff changeset
322 writer.commit();
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parents: 1379
diff changeset
323 }
1379
87a3738d7cc5 run_in_transaction
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diff changeset
324 return rtn;
252
3896138955b1 web testing...
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325 } finally {
1387
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parents: 1379
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326 if( !ok && commit ) {
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diff changeset
327 if( postgresBackup != null )
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diff changeset
328 postgresBackup.rollback();
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diff changeset
329 writer.rollback();
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diff changeset
330 reopen();
bc40bc9aab3a start postgres backup
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diff changeset
331 }
704
90c89138c234 optimize lucene
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diff changeset
332 wrote();
252
3896138955b1 web testing...
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parents: 233
diff changeset
333 writeLock.unlock();
3896138955b1 web testing...
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parents: 233
diff changeset
334 }
3896138955b1 web testing...
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parents: 233
diff changeset
335 }
3896138955b1 web testing...
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parents: 233
diff changeset
336
1387
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parents: 1379
diff changeset
337 // ???
1379
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diff changeset
338 public Object run_in_lock(LuanFunction fn) throws IOException, LuanException {
756
9092e52f94eb better synchronization for lucene restore
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diff changeset
339 if( writeLock.isHeldByCurrentThread() )
9092e52f94eb better synchronization for lucene restore
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diff changeset
340 throw new RuntimeException();
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diff changeset
341 writeLock.lock();
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diff changeset
342 try {
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diff changeset
343 synchronized(this) {
1379
87a3738d7cc5 run_in_transaction
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diff changeset
344 return fn.call();
756
9092e52f94eb better synchronization for lucene restore
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diff changeset
345 }
9092e52f94eb better synchronization for lucene restore
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diff changeset
346 } finally {
9092e52f94eb better synchronization for lucene restore
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parents: 754
diff changeset
347 wrote();
9092e52f94eb better synchronization for lucene restore
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diff changeset
348 writeLock.unlock();
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diff changeset
349 }
9092e52f94eb better synchronization for lucene restore
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parents: 754
diff changeset
350 }
9092e52f94eb better synchronization for lucene restore
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parents: 754
diff changeset
351
230
4438cb2e04d0 start lucene
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parents:
diff changeset
352
754
1a101ac9ea46 add lucene restore
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parents: 730
diff changeset
353 private long id;
1a101ac9ea46 add lucene restore
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parents: 730
diff changeset
354 private long idLim;
230
4438cb2e04d0 start lucene
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parents:
diff changeset
355 private final int idBatch = 10;
4438cb2e04d0 start lucene
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parents:
diff changeset
356
1388
2024d23ddd64 add restore_from_postgres
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parents: 1387
diff changeset
357 private void initId() throws IOException {
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
358 TopDocs td = searcher.search(new TermQuery(new Term("type","next_id")),1);
230
4438cb2e04d0 start lucene
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parents:
diff changeset
359 switch(td.totalHits) {
4438cb2e04d0 start lucene
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parents:
diff changeset
360 case 0:
754
1a101ac9ea46 add lucene restore
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parents: 730
diff changeset
361 id = 0;
1a101ac9ea46 add lucene restore
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parents: 730
diff changeset
362 idLim = 0;
1a101ac9ea46 add lucene restore
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parents: 730
diff changeset
363 break;
230
4438cb2e04d0 start lucene
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parents:
diff changeset
364 case 1:
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
365 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
366 id = idLim;
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
367 break;
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
368 default:
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
369 throw new RuntimeException();
4438cb2e04d0 start lucene
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parents:
diff changeset
370 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
371 }
4438cb2e04d0 start lucene
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parents:
diff changeset
372
1388
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
373 private void saveNextId(long nextId) throws LuanException, IOException {
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
374 Map doc = new HashMap();
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
375 doc.put( "type", "next_id" );
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
376 doc.put( FLD_NEXT_ID, idLim );
2024d23ddd64 add restore_from_postgres
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parents: 1387
diff changeset
377 writer.updateDocument(new Term("type","next_id"),toLucene(doc.entrySet(),null));
2024d23ddd64 add restore_from_postgres
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parents: 1387
diff changeset
378 }
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
379
1346
Franklin Schmidt <fschmidt@gmail.com>
parents: 1345
diff changeset
380 public synchronized long nextId() throws LuanException, IOException {
544
c5a93767cc5c lucene overhaul, untested
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parents: 527
diff changeset
381 if( ++id > idLim ) {
233
ef39bc4d3f70 basic lucene works
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 232
diff changeset
382 idLim += idBatch;
1388
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
383 saveNextId(idLim);
704
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
384 wrote();
230
4438cb2e04d0 start lucene
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parents:
diff changeset
385 }
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
386 return id;
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
387 }
4438cb2e04d0 start lucene
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parents:
diff changeset
388
707
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
389 /*
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
390 public void backup(String zipFile) throws LuanException, IOException {
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
391 if( !zipFile.endsWith(".zip") )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
392 throw new LuanException("file "+zipFile+" doesn't end with '.zip'");
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
393 IndexCommit ic = snapshotDeletionPolicy.snapshot();
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
394 try {
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
395 ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFile));
546
eaef1005ab87 general lucene cleanup
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parents: 545
diff changeset
396 for( String fileName : ic.getFileNames() ) {
230
4438cb2e04d0 start lucene
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parents:
diff changeset
397 out.putNextEntry(new ZipEntry(fileName));
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
398 FileInputStream in = new FileInputStream(new File(indexDir,fileName));
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
399 Utils.copyAll(in,out);
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
400 in.close();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
401 out.closeEntry();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
402 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
403 out.close();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
404 } finally {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
405 snapshotDeletionPolicy.release(ic);
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
406 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
407 }
707
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
408 */
1129
3234a14bb1f8 minor lucene changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 1111
diff changeset
409 public SnapshotDeletionPolicy snapshotDeletionPolicy() {
3234a14bb1f8 minor lucene changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 1111
diff changeset
410 return snapshotDeletionPolicy;
3234a14bb1f8 minor lucene changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 1111
diff changeset
411 }
3234a14bb1f8 minor lucene changes
Franklin Schmidt <fschmidt@gmail.com>
parents: 1111
diff changeset
412
1346
Franklin Schmidt <fschmidt@gmail.com>
parents: 1345
diff changeset
413 public Object snapshot(LuanFunction fn) throws LuanException, IOException {
707
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
414 IndexCommit ic = snapshotDeletionPolicy.snapshot();
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
415 try {
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
416 String dir = fileDir.toString();
1346
Franklin Schmidt <fschmidt@gmail.com>
parents: 1345
diff changeset
417 LuanTable fileNames = new LuanTable(fn.luan(),new ArrayList(ic.getFileNames()));
1335
e0cf0d108a77 major cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1333
diff changeset
418 return fn.call(dir,fileNames);
707
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
419 } finally {
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
420 snapshotDeletionPolicy.release(ic);
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
421 }
1ed9e55f0be8 replace lucene.backup with lucene.zip implemented in luan, and add lucene.snapshot
Franklin Schmidt <fschmidt@gmail.com>
parents: 704
diff changeset
422 }
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
423
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
424
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
425
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
426 public String to_string() {
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
427 return writer.getDirectory().toString();
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
428 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
429
1345
6f8988830098 unique LuceneIndex per dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
430 private synchronized void close() throws IOException {
6f8988830098 unique LuceneIndex per dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
431 if( openCount > 0 ) {
6f8988830098 unique LuceneIndex per dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
432 if( --openCount == 0 ) {
6f8988830098 unique LuceneIndex per dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
433 doClose();
6f8988830098 unique LuceneIndex per dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
434 synchronized(indexes) {
6f8988830098 unique LuceneIndex per dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
435 indexes.remove(key);
6f8988830098 unique LuceneIndex per dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
436 }
6f8988830098 unique LuceneIndex per dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
437 }
521
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
438 }
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
439 }
8a217fe5b4f3 cleaner LuanState.onClose()
Franklin Schmidt <fschmidt@gmail.com>
parents: 427
diff changeset
440
1345
6f8988830098 unique LuceneIndex per dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
441 public void doClose() throws IOException {
1387
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
442 if( postgresBackup != null )
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
443 postgresBackup.close();
1345
6f8988830098 unique LuceneIndex per dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
444 writer.close();
6f8988830098 unique LuceneIndex per dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
445 reader.close();
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
446 }
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
447
312
d34be4588556 add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 303
diff changeset
448
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
449 private static class DocFn extends LuanFunction {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
450 final IndexSearcher searcher;
1342
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
451 final Query query;
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
452 int docID;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
453
1342
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
454 DocFn(Luan luan,IndexSearcher searcher,Query query) {
1335
e0cf0d108a77 major cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1333
diff changeset
455 super(luan);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
456 this.searcher = searcher;
1342
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
457 this.query = query;
545
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
1335
e0cf0d108a77 major cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1333
diff changeset
460 @Override public Object call(Object[] args) throws LuanException {
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
461 try {
1342
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
462 LuanTable doc = toTable(luan(),searcher.doc(docID));
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
463 if( args.length > 0 && "explain".equals(args[0]) ) {
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
464 Explanation explanation = searcher.explain(query,docID);
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
465 return new Object[]{doc,explanation};
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
466 } else {
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
467 return doc;
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
468 }
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
469 } catch(IOException e) {
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
470 throw new LuanException(e);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
471 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
472 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
473 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
474
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
475 private static abstract class MyCollector extends Collector {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
476 int docBase;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
477 int i = 0;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
478
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
479 @Override public void setScorer(Scorer scorer) {}
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
480 @Override public void setNextReader(AtomicReaderContext context) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
481 this.docBase = context.docBase;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
482 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
483 @Override public boolean acceptsDocsOutOfOrder() {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
484 return true;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
485 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
486 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
487
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
488 private synchronized IndexSearcher openSearcher() throws IOException {
1345
6f8988830098 unique LuceneIndex per dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
489 int gwc = writeCounter.get();
704
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
490 if( writeCount != gwc ) {
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
491 writeCount = gwc;
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
492 DirectoryReader newReader = DirectoryReader.openIfChanged(reader);
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
493 if( newReader != null ) {
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
494 reader.decRef();
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
495 reader = newReader;
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
496 searcher = new IndexSearcher(reader);
90c89138c234 optimize lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 696
diff changeset
497 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
498 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
499 reader.incRef();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
500 return searcher;
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
501 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
502
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
503 // call in finally block
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
504 private static void close(IndexSearcher searcher) throws IOException {
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
505 searcher.getIndexReader().decRef();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
506 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
507
591
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
508 public void ensure_open() throws IOException {
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
509 close(openSearcher());
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
510 }
790d5de23042 add "strict" param to Io.repr();
Franklin Schmidt <fschmidt@gmail.com>
parents: 578
diff changeset
511
1346
Franklin Schmidt <fschmidt@gmail.com>
parents: 1345
diff changeset
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()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
513 throws LuanException, IOException, ParseException
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
514 {
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
515 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
516 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
517 IndexSearcher searcher = threadLocalSearcher.get();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
518 boolean inTransaction = searcher != null;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
519 if( !inTransaction )
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
520 searcher = openSearcher();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
521 try {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
522 if( fn!=null && n==null ) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
523 if( sortStr != null )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
524 throw new LuanException("sort must be nil when n is nil");
1346
Franklin Schmidt <fschmidt@gmail.com>
parents: 1345
diff changeset
525 final DocFn docFn = new DocFn(fn.luan(),searcher,query);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
526 MyCollector col = new MyCollector() {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
527 @Override public void collect(int doc) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
528 try {
547
0be287ab0309 add lucene/Versioning and simplify Lucene fn names
Franklin Schmidt <fschmidt@gmail.com>
parents: 546
diff changeset
529 docFn.docID = docBase + doc;
1335
e0cf0d108a77 major cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1333
diff changeset
530 fn.call(++i,docFn);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
531 } catch(LuanException e) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
532 throw new LuanRuntimeException(e);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
533 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
534 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
535 };
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
536 try {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
537 searcher.search(query,col);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
538 } catch(LuanRuntimeException e) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
539 throw (LuanException)e.getCause();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
540 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
541 return col.i;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
542 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
543 if( fn==null || n==0 ) {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
544 TotalHitCountCollector thcc = new TotalHitCountCollector();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
545 searcher.search(query,thcc);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
546 return thcc.getTotalHits();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
547 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
548 Sort sort = sortStr==null ? null : SaneQueryParser.parseSort(mfp,sortStr);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
549 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
550 final ScoreDoc[] scoreDocs = td.scoreDocs;
1346
Franklin Schmidt <fschmidt@gmail.com>
parents: 1345
diff changeset
551 DocFn docFn = new DocFn(fn.luan(),searcher,query);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
552 for( int i=0; i<scoreDocs.length; i++ ) {
1342
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
553 ScoreDoc scoreDoc = scoreDocs[i];
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
554 docFn.docID = scoreDoc.doc;
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
555 fn.call(i+1,docFn,scoreDoc.score);
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
556 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
557 return td.totalHits;
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
558 } finally {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
559 if( !inTransaction )
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
560 close(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
561 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
562 }
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
563
1335
e0cf0d108a77 major cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1333
diff changeset
564 public Object search_in_transaction(LuanFunction fn) throws LuanException, IOException {
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
565 if( threadLocalSearcher.get() != null )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
566 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
567 IndexSearcher searcher = openSearcher();
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
568 threadLocalSearcher.set(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
569 try {
1335
e0cf0d108a77 major cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1333
diff changeset
570 return fn.call();
545
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
571 } finally {
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
572 threadLocalSearcher.set(null);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
573 close(searcher);
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
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
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
576
ddcd4296107a clean up lucene search
Franklin Schmidt <fschmidt@gmail.com>
parents: 544
diff changeset
577
796
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
578 public FieldParser getIndexedFieldParser(String field) {
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
579 return mfp.fields.get(field);
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
580 }
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
581
796
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
582 public void setIndexedFieldParser(String field,FieldParser fp) {
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
583 if( fp==null ) { // delete
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
584 mfp.fields.remove(field);
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
585 return;
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
586 }
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
587 mfp.fields.put( field, fp );
6b8ea0a9b7c9 remove LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
588 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
589
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
590
1343
7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1342
diff changeset
591 private IndexableField newField(String name,Object value,Set<String> indexed,Float boost)
1341
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
592 throws LuanException
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
593 {
1343
7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1342
diff changeset
594 boolean hasBoost = boost!=null;
7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1342
diff changeset
595 IndexableField fld = newField2(name,value,indexed,hasBoost);
7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1342
diff changeset
596 if( hasBoost )
1341
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
597 ((Field)fld).setBoost(boost);
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
598 return fld;
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
599 }
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
600
1343
7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1342
diff changeset
601 private IndexableField newField2(String name,Object value,Set<String> indexed,boolean hasBoost)
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
602 throws LuanException
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
603 {
1343
7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1342
diff changeset
604 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
605 if( value instanceof String ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
606 String s = (String)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
607 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
608 if( fp != null ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
609 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
610 return new TextField(name, s, store);
1343
7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1342
diff changeset
611 } else if (hasBoost) {
7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1342
diff changeset
612 // fuck you modern lucene developers
7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1342
diff changeset
613 return new Field(name, s, store, Field.Index.NOT_ANALYZED);
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
614 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
615 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
616 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
617 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
618 return new StoredField(name, s);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
619 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
620 } else if( value instanceof Integer ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
621 int i = (Integer)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
622 if( indexed.contains(name) ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
623 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
624 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
625 return new StoredField(name, i);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
626 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
627 } else if( value instanceof Long ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
628 long i = (Long)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
629 if( indexed.contains(name) ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
630 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
631 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
632 return new StoredField(name, i);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
633 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
634 } else if( value instanceof Double ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
635 double i = (Double)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
636 if( indexed.contains(name) ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
637 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
638 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
639 return new StoredField(name, i);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
640 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
641 } else if( value instanceof byte[] ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
642 byte[] b = (byte[])value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
643 return new StoredField(name, b);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
644 } else
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
645 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
646 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
647
1343
7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1342
diff changeset
648 private Document toLucene(LuanTable table,LuanTable boosts) throws LuanException {
1347
643cf1c37723 move webserver to lib and bug fixes
Franklin Schmidt <fschmidt@gmail.com>
parents: 1346
diff changeset
649 return toLucene(table.iterable(),boosts);
1346
Franklin Schmidt <fschmidt@gmail.com>
parents: 1345
diff changeset
650 }
Franklin Schmidt <fschmidt@gmail.com>
parents: 1345
diff changeset
651
Franklin Schmidt <fschmidt@gmail.com>
parents: 1345
diff changeset
652 private Document toLucene(Iterable<Map.Entry> iterable,LuanTable boosts) throws LuanException {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
653 Set<String> indexed = mfp.fields.keySet();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
654 Document doc = new Document();
1346
Franklin Schmidt <fschmidt@gmail.com>
parents: 1345
diff changeset
655 for( Map.Entry<Object,Object> entry : iterable ) {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
656 Object key = entry.getKey();
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
657 if( !(key instanceof String) )
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
658 throw new LuanException("key must be string");
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
659 String name = (String)key;
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
660 Object value = entry.getValue();
1341
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
661 Float boost = null;
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
662 if( boosts != null ) {
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
663 Object obj = boosts.get(name);
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
664 if( obj != null ) {
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
665 if( !(obj instanceof Number) )
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
666 throw new LuanException("boost '"+name+"' must be number");
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
667 boost = ((Number)obj).floatValue();
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
668 }
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
669 }
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
670 if( !(value instanceof LuanTable) ) {
1343
7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1342
diff changeset
671 doc.add(newField( name, value, indexed, boost ));
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
672 } else { // list
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
673 LuanTable list = (LuanTable)value;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
674 for( Object el : list.asList() ) {
1343
7d9a1f8894b0 lucene change indexed_only_field() to indexed_only_fields()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1342
diff changeset
675 doc.add(newField( name, el, indexed, boost ));
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
676 }
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
677 }
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
678 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
679 return doc;
544
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
680 }
c5a93767cc5c lucene overhaul, untested
Franklin Schmidt <fschmidt@gmail.com>
parents: 527
diff changeset
681
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
682 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
683 BytesRef br = ifld.binaryValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
684 if( br != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
685 return br.bytes;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
686 Number n = ifld.numericValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
687 if( n != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
688 return n;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
689 String s = ifld.stringValue();
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
690 if( s != null )
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
691 return s;
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
692 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
693 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
694
1333
25746915a241 merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents: 1271
diff changeset
695 private static LuanTable toTable(Luan luan,Document doc) throws LuanException {
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
696 if( doc==null )
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
697 return null;
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1248
diff changeset
698 LuanTable table = new LuanTable(luan);
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
699 for( IndexableField ifld : doc ) {
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
700 String name = ifld.name();
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 624
diff changeset
701 Object value = getValue(ifld);
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
702 Object old = table.rawGet(name);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
703 if( old == null ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
704 table.rawPut(name,value);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
705 } else {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
706 LuanTable list;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
707 if( old instanceof LuanTable ) {
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
708 list = (LuanTable)old;
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
709 } else {
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1248
diff changeset
710 list = new LuanTable(luan);
621
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
711 list.rawPut(1,old);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
712 table.rawPut(name,list);
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
713 }
fd15da41afca allow list of values to be stored in lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 620
diff changeset
714 list.rawPut(list.rawLength()+1,value);
546
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
715 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
716 }
eaef1005ab87 general lucene cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 545
diff changeset
717 return table;
312
d34be4588556 add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 303
diff changeset
718 }
d34be4588556 add lucene query parsing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 303
diff changeset
719
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
720
1248
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
721 private static final Formatter nullFormatter = new Formatter() {
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
722 public String highlightTerm(String originalText,TokenGroup tokenGroup) {
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
723 return originalText;
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
724 }
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
725 };
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
726
1342
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
727 public LuanFunction highlighter(String queryStr,final LuanFunction formatter,final Integer fragmentSize,String dotdotdot)
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
728 throws ParseException
60599adc27b8 add lucene search options
Franklin Schmidt <fschmidt@gmail.com>
parents: 1341
diff changeset
729 {
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
730 Query query = SaneQueryParser.parseQuery(mfp,queryStr);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
731 Formatter fmt = new Formatter() {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
732 public String highlightTerm(String originalText,TokenGroup tokenGroup) {
1248
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
733 if( tokenGroup.getTotalScore() <= 0 )
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
734 return originalText;
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
735 try {
1335
e0cf0d108a77 major cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1333
diff changeset
736 return (String)Luan.first(formatter.call(originalText));
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
737 } catch(LuanException e) {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
738 throw new LuanRuntimeException(e);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
739 }
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
740 }
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
741 };
1248
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
742 QueryScorer queryScorer = new QueryScorer(query);
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
743 final Highlighter chooser = fragmentSize==null ? null : new Highlighter(nullFormatter,queryScorer);
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
744 if( chooser != null )
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
745 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
746 final Highlighter hl = new Highlighter(fmt,queryScorer);
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
747 hl.setTextFragmenter( new NullFragmenter() );
1335
e0cf0d108a77 major cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1333
diff changeset
748 return new LuanFunction(false) { // ???
e0cf0d108a77 major cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1333
diff changeset
749 @Override public String call(Object[] args) throws LuanException {
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
750 String text = (String)args[0];
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
751 try {
1248
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
752 if( chooser != null ) {
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
753 String s = chooser.getBestFragment(analyzer,null,text);
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
754 if( s != null ) {
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
755 if( dotdotdot != null ) {
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
756 boolean atStart = text.startsWith(s);
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
757 boolean atEnd = text.endsWith(s);
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
758 if( !atStart )
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
759 s = dotdotdot + s;
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
760 if( !atEnd )
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
761 s = s + dotdotdot;
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
762 }
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
763 text = s;
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
764 } else if( text.length() > fragmentSize ) {
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
765 text = text.substring(0,fragmentSize);
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
766 if( dotdotdot != null )
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
767 text += "...";
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
768 }
475905984870 improve lucene highlighter and allow bbcode_to_text quoter to be nil
Franklin Schmidt <fschmidt@gmail.com>
parents: 1227
diff changeset
769 }
624
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
770 String s = hl.getBestFragment(analyzer,null,text);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
771 return s!=null ? s : text;
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
772 } catch(LuanRuntimeException e) {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
773 throw (LuanException)e.getCause();
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
774 } catch(IOException e) {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
775 throw new RuntimeException(e);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
776 } catch(InvalidTokenOffsetsException e) {
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
777 throw new RuntimeException(e);
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
778 }
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
779 }
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
780 };
8281a248c47e add lucene highlighter
Franklin Schmidt <fschmidt@gmail.com>
parents: 622
diff changeset
781 }
1341
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
782
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
783 public int count_tokens(String text)
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
784 throws IOException
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
785 {
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
786 int n = 0;
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
787 TokenStream ts = analyzer.tokenStream(null,text);
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
788 ts.reset();
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
789 while( ts.incrementToken() ) {
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
790 n++;
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
791 }
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
792 ts.close();
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
793 return n;
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
794 }
a015a0b5c388 add Html.decode(), Lucene.count_tokens(), lucene boosts, Sql.database.set()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1337
diff changeset
795
1387
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
796
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
797
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
798 public boolean hasPostgresBackup() {
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
799 return postgresBackup != null;
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
800 }
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
801
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
802 public void rebuild_postgres_backup(LuanFunction completer)
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
803 throws IOException, LuanException
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
804 {
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
805 writeLock.lock();
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
806 boolean ok = false;
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
807 try {
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
808 postgresBackup.begin();
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
809 postgresBackup.deleteAll();
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
810 Query query = new PrefixQuery(new Term("id"));
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
811 IndexSearcher searcher = openSearcher();
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
812 MyCollector col = new MyCollector() {
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
813 @Override public void collect(int iDoc) throws IOException {
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
814 try {
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
815 Document doc = searcher.doc( docBase + iDoc );
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
816 LuanTable tbl = toTable(completer.luan(),doc);
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
817 tbl = (LuanTable)completer.call(tbl);
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
818 Long id = (Long)tbl.get("id");
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
819 //logger.info("id = "+id);
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
820 postgresBackup.add(id,tbl);
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
821 } catch(LuanException e) {
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
822 throw new LuanRuntimeException(e);
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
823 }
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
824 }
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
825 };
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
826 try {
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
827 searcher.search(query,col);
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
828 } catch(LuanRuntimeException e) {
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
829 throw (LuanException)e.getCause();
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
830 }
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
831 ok = true;
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
832 postgresBackup.commit();
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
833 } finally {
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
834 if( !ok )
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
835 postgresBackup.rollback();
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
836 writeLock.unlock();
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
837 }
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
838 }
bc40bc9aab3a start postgres backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1379
diff changeset
839
1388
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
840 public void restore_from_postgres()
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
841 throws IOException, LuanException
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
842 {
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
843 if( postgresBackup==null )
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
844 throw new NullPointerException();
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
845 if( writeLock.isHeldByCurrentThread() )
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
846 throw new RuntimeException();
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
847 writeLock.lock();
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
848 boolean ok = false;
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
849 try {
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
850 writer.deleteAll();
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
851 long nextId = postgresBackup.maxId() + 1;
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
852 postgresBackup.restoreLucene(this);
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
853 id = idLim = nextId;
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
854 ok = true;
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
855 writer.commit();
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
856 } finally {
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
857 if( !ok ) {
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
858 writer.rollback();
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
859 reopen();
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
860 }
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
861 wrote();
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
862 writeLock.unlock();
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
863 }
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
864 }
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
865
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
866 void restore(LuanTable doc)
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
867 throws LuanException, IOException
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
868 {
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
869 writer.addDocument(toLucene(doc,null));
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
870 }
2024d23ddd64 add restore_from_postgres
Franklin Schmidt <fschmidt@gmail.com>
parents: 1387
diff changeset
871
230
4438cb2e04d0 start lucene
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
872 }