annotate src/goodjava/lucene/logging/LoggingIndexWriter.java @ 1494:91c167099462

more io
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 03 May 2020 11:51:31 -0600
parents af55cfad6e12
children 22e15cf73040
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1 package goodjava.lucene.logging;
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2
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3 import java.io.File;
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4 import java.io.RandomAccessFile;
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5 import java.io.ByteArrayOutputStream;
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6 import java.io.DataOutputStream;
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7 import java.io.DataInputStream;
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8 import java.io.FileInputStream;
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9 import java.io.IOException;
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10 import java.util.Map;
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11 import java.util.Set;
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12 import java.util.HashSet;
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13 import java.util.List;
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14 import java.util.ArrayList;
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15 import java.util.Random;
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16 import org.apache.lucene.document.Document;
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17 import org.apache.lucene.index.DirectoryReader;
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18 import org.apache.lucene.index.IndexReader;
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19 import org.apache.lucene.index.Term;
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20 import org.apache.lucene.search.IndexSearcher;
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21 import org.apache.lucene.search.Query;
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22 import org.apache.lucene.search.MatchAllDocsQuery;
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23 import org.apache.lucene.search.TopDocs;
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24 import org.apache.lucene.search.PrefixQuery;
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25 import org.apache.lucene.search.SortField;
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26 import org.apache.lucene.search.Sort;
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27 import org.apache.lucene.store.Directory;
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28 import org.apache.lucene.store.FSDirectory;
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29 import goodjava.io.IoUtils;
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30 import goodjava.lucene.api.GoodIndexWriter;
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31 import goodjava.lucene.api.LuceneIndexWriter;
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32 import goodjava.lucene.api.GoodCollector;
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33 import goodjava.lucene.api.LuceneUtils;
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34 import goodjava.logging.Logger;
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35 import goodjava.logging.LoggerFactory;
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36
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37
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38 public class LoggingIndexWriter implements GoodIndexWriter {
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39 private static final Logger logger = LoggerFactory.getLogger(LoggingIndexWriter.class);
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40 private static final int version = 1;
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41 private static final int OP_DELETE_ALL = 1;
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42 private static final int OP_DELETE_DOCUMENTS = 2;
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43 private static final int OP_ADD_DOCUMENT = 3;
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44 private static final int OP_UPDATE_DOCUMENT = 4;
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45 private static final Random rnd = new Random();
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46
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47 public final LuceneIndexWriter indexWriter;
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48 private final File logDir;
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49 protected final List<LogFile> logs = new ArrayList<LogFile>();
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50 private LogOutputStream log;
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51 private final File index;
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52 private boolean isMerging = false;
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53
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54 public LoggingIndexWriter(LuceneIndexWriter indexWriter,File logDir) throws IOException {
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55 this.indexWriter = indexWriter;
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56 this.logDir = logDir;
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57 logDir.mkdirs();
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58 if( !logDir.isDirectory() )
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59 throw new RuntimeException();
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60 index = new File(logDir,"index");
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61 if( index.exists() ) {
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62 DataInputStream dis = new DataInputStream(new FileInputStream(index));
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63 try {
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64 if( dis.readInt() == version ) {
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65 final int n = dis.readInt();
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66 for( int i=0; i<n; i++ ) {
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67 File file = new File( logDir, dis.readUTF() );
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68 logs.add( new LogFile(file) );
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69 }
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70 deleteUnusedFiles();
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71 setLog();
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72 return;
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73 }
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74 } finally {
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75 dis.close();
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76 }
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77 }
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78 newLogs();
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79 }
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80
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81 private void setLog() throws IOException {
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82 if( log != null )
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83 log.close();
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84 log = logs.get(logs.size()-1).output();
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85 }
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86
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87 public synchronized boolean isMerging() {
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88 return isMerging;
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89 }
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90
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91 private synchronized void isNotMerging() {
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92 isMerging = false;
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93 }
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94
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95 public synchronized void newLogs() throws IOException {
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96 if( isMerging )
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97 throw new RuntimeException("merging");
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98 logger.info("building new logs");
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99 logs.clear();
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100 for( int i=0; i<2; i++ ) {
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101 logs.add( newLogFile() );
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102 }
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103 logLucene( System.currentTimeMillis(), logs.get(0), indexWriter );
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104 writeIndex();
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105 setLog();
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106 logger.info("done building new logs");
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107 }
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108
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109 private static void logLucene(long time,LogFile logLucene,LuceneIndexWriter indexWriter) throws IOException {
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110 LogOutputStream log = logLucene.output();
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111 IndexReader reader = indexWriter.openReader();
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112 final IndexSearcher searcher = new IndexSearcher(reader);
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113 Query query = new MatchAllDocsQuery();
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114 searcher.search( query, new GoodCollector(){
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115 public void collectDoc(int iDoc) throws IOException {
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116 Document doc = searcher.doc(iDoc);
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117 Map<String,Object> storedFields = LuceneUtils.toMap(doc);
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118 log.writeLong(time);
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119 log.writeByte(OP_ADD_DOCUMENT);
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120 log.writeMap(storedFields);
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121 }
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122 });
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123 reader.close();
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124 log.commit();
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125 log.close();
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126 }
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127
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128 private LogFile newLogFile() throws IOException {
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129 File file;
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130 do {
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131 file = new File(logDir,"_"+rnd.nextInt(100)+".log");
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132 } while( file.exists() );
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133 return new LogFile(file);
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134 }
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135
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136 private void deleteUnusedFiles() throws IOException {
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137 Set<String> used = new HashSet<String>();
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138 used.add( index.getName() );
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139 for( LogFile lf : logs ) {
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140 used.add( lf.file.getName() );
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141 }
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142 for( File f : logDir.listFiles() ) {
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143 if( !used.contains(f.getName()) ) {
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144 IoUtils.deleteRecursively(f);
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145 }
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146 }
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147 }
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148
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149 private void writeIndex() throws IOException {
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150 ByteArrayOutputStream baos = new ByteArrayOutputStream();
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151 DataOutputStream dos = new DataOutputStream(baos);
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152 dos.writeInt(version);
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153 dos.writeInt(logs.size());
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154 for( LogFile lf : logs ) {
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155 String fileName = lf.file.getName();
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156 dos.writeUTF(fileName);
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157 }
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158 dos.close();
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159 RandomAccessFile raf = new RandomAccessFile( index, "rwd" );
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160 raf.write( baos.toByteArray() );
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diff changeset
161 raf.close();
5e3870618377 lucene.logging dir
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parents: 1461
diff changeset
162 deleteUnusedFiles();
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parents: 1461
diff changeset
163 logger.info("writeIndex "+logs.toString());
1461
e5d48b85351c start lucene.logging
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parents:
diff changeset
164 }
e5d48b85351c start lucene.logging
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parents:
diff changeset
165
1465
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diff changeset
166 private void mergeLogs() throws IOException {
5e3870618377 lucene.logging dir
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parents: 1461
diff changeset
167 logger.info("merge");
5e3870618377 lucene.logging dir
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diff changeset
168 LogFile first = logs.get(0);
5e3870618377 lucene.logging dir
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parents: 1461
diff changeset
169 LogFile second = logs.get(1);
1476
7d145095cc0b lucene.logging check
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diff changeset
170 long lastTime = second.file.lastModified();
1465
5e3870618377 lucene.logging dir
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diff changeset
171 File dirFile = new File(logDir,"merge");
5e3870618377 lucene.logging dir
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parents: 1461
diff changeset
172 if( dirFile.exists() )
5e3870618377 lucene.logging dir
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diff changeset
173 throw new RuntimeException();
5e3870618377 lucene.logging dir
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parents: 1461
diff changeset
174 Directory dir = FSDirectory.open(dirFile);
5e3870618377 lucene.logging dir
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parents: 1461
diff changeset
175 LuceneIndexWriter mergeWriter = new LuceneIndexWriter( indexWriter.luceneVersion, dir, indexWriter.goodConfig );
1484
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diff changeset
176 playLog( first.input(), mergeWriter );
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diff changeset
177 playLog( second.input(), mergeWriter );
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diff changeset
178 mergeWriter.commit();
5e3870618377 lucene.logging dir
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diff changeset
179 LogFile merge = newLogFile();
5e3870618377 lucene.logging dir
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diff changeset
180 logLucene( lastTime, merge, mergeWriter );
5e3870618377 lucene.logging dir
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diff changeset
181 mergeWriter.close();
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diff changeset
182 synchronized(this) {
1476
7d145095cc0b lucene.logging check
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diff changeset
183 //check();
1465
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diff changeset
184 logs.remove(0);
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diff changeset
185 logs.set(0,merge);
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diff changeset
186 writeIndex();
1476
7d145095cc0b lucene.logging check
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diff changeset
187 //check(null);
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diff changeset
188 }
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e5d48b85351c start lucene.logging
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diff changeset
189 }
1465
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diff changeset
190 private final Runnable mergeLogs = new Runnable() { public void run() {
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diff changeset
191 try {
5e3870618377 lucene.logging dir
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diff changeset
192 mergeLogs();
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diff changeset
193 } catch(IOException e) {
5e3870618377 lucene.logging dir
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diff changeset
194 throw new RuntimeException(e);
5e3870618377 lucene.logging dir
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parents: 1461
diff changeset
195 } finally {
1476
7d145095cc0b lucene.logging check
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diff changeset
196 isNotMerging();
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diff changeset
197 }
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diff changeset
198 } };
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e5d48b85351c start lucene.logging
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199
1476
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diff changeset
200 private static class DocIter {
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diff changeset
201 final IndexReader reader;
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diff changeset
202 final TopDocs td;
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diff changeset
203 final int n;
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diff changeset
204 int i = 0;
7d145095cc0b lucene.logging check
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diff changeset
205
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diff changeset
206 DocIter(IndexReader reader,Query query,Sort sort) throws IOException {
7d145095cc0b lucene.logging check
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diff changeset
207 this.reader = reader;
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diff changeset
208 IndexSearcher searcher = new IndexSearcher(reader);
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diff changeset
209 this.td = searcher.search(query,10000000,sort);
7d145095cc0b lucene.logging check
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diff changeset
210 this.n = td.scoreDocs.length;
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diff changeset
211 if( td.totalHits != n )
7d145095cc0b lucene.logging check
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diff changeset
212 throw new RuntimeException();
7d145095cc0b lucene.logging check
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diff changeset
213 }
7d145095cc0b lucene.logging check
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diff changeset
214
7d145095cc0b lucene.logging check
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diff changeset
215 Document next() throws IOException {
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
216 return i < n ? reader.document(td.scoreDocs[i++].doc) : null;
7d145095cc0b lucene.logging check
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diff changeset
217 }
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diff changeset
218 }
7d145095cc0b lucene.logging check
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diff changeset
219
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220 private volatile boolean isChecking = false;
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diff changeset
221
1476
7d145095cc0b lucene.logging check
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diff changeset
222 public void check(SortField sortField) throws IOException {
1487
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diff changeset
223 if( isChecking )
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diff changeset
224 throw new RuntimeException("another check is running");
1476
7d145095cc0b lucene.logging check
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diff changeset
225 IndexReader indexReader;
1484
1fa6e8ec2d53 lucene.logging cleanup
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diff changeset
226 List<LogInputStream> logReaders;
1476
7d145095cc0b lucene.logging check
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diff changeset
227 synchronized(this) {
7d145095cc0b lucene.logging check
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diff changeset
228 indexReader = indexWriter.openReader();
1484
1fa6e8ec2d53 lucene.logging cleanup
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diff changeset
229 logReaders = logReaders(logs);
1465
5e3870618377 lucene.logging dir
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diff changeset
230 }
1487
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diff changeset
231 isChecking = true;
1476
7d145095cc0b lucene.logging check
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diff changeset
232 try {
7d145095cc0b lucene.logging check
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diff changeset
233 logger.info("check start");
7d145095cc0b lucene.logging check
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diff changeset
234 indexWriter.check();
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
235 File dirFile = new File(logDir,"check");
7d145095cc0b lucene.logging check
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diff changeset
236 IoUtils.deleteRecursively(dirFile);
7d145095cc0b lucene.logging check
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diff changeset
237 Directory dir = FSDirectory.open(dirFile);
7d145095cc0b lucene.logging check
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diff changeset
238 LuceneIndexWriter checkWriter = new LuceneIndexWriter( indexWriter.luceneVersion, dir, indexWriter.goodConfig );
1484
1fa6e8ec2d53 lucene.logging cleanup
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diff changeset
239 playLogs(logReaders,checkWriter);
1476
7d145095cc0b lucene.logging check
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diff changeset
240 logger.info("check lucene");
7d145095cc0b lucene.logging check
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diff changeset
241 IndexReader checkReader = checkWriter.openReader();
7d145095cc0b lucene.logging check
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diff changeset
242 if( sortField == null ) {
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
243 int nCheck = checkReader.numDocs();
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
244 int nOrig = indexReader.numDocs();
7d145095cc0b lucene.logging check
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diff changeset
245 if( nCheck != nOrig ) {
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diff changeset
246 logger.error("numDocs mismatch: lucene="+nOrig+" logs="+nCheck);
7d145095cc0b lucene.logging check
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diff changeset
247 }
7d145095cc0b lucene.logging check
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diff changeset
248 logger.info("numDocs="+nOrig);
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
249 if( hash(indexReader) != hash(checkReader) ) {
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diff changeset
250 logger.error("hash mismatch");
7d145095cc0b lucene.logging check
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diff changeset
251 }
7d145095cc0b lucene.logging check
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diff changeset
252 } else {
7d145095cc0b lucene.logging check
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diff changeset
253 Sort sort = new Sort(sortField);
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
254 String sortFieldName = sortField.getField();
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
255 Query query = new PrefixQuery(new Term(sortFieldName));
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
256 DocIter origIter = new DocIter(indexReader,query,sort);
7d145095cc0b lucene.logging check
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diff changeset
257 DocIter checkIter = new DocIter(checkReader,query,sort);
7d145095cc0b lucene.logging check
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diff changeset
258 Map<String,Object> origFields = LuceneUtils.toMap(origIter.next());
7d145095cc0b lucene.logging check
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diff changeset
259 Map<String,Object> checkFields = LuceneUtils.toMap(checkIter.next());
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
260 while( origFields!=null && checkFields!=null ) {
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
261 Comparable origFld = (Comparable)origFields.get(sortFieldName);
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
262 Comparable checkFld = (Comparable)checkFields.get(sortFieldName);
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
263 int cmp = origFld.compareTo(checkFld);
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
264 if( cmp==0 ) {
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
265 if( !origFields.equals(checkFields) ) {
7d145095cc0b lucene.logging check
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diff changeset
266 logger.error(sortFieldName+" "+origFld+" not equal");
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diff changeset
267 logger.error("lucene = "+origFields);
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
268 logger.error("logs = "+checkFields);
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
269 }
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
270 origFields = LuceneUtils.toMap(origIter.next());
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
271 checkFields = LuceneUtils.toMap(checkIter.next());
7d145095cc0b lucene.logging check
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diff changeset
272 } else if( cmp < 0 ) {
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
273 logger.error(sortFieldName+" "+origFld+" found in lucene but not logs");
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
274 origFields = LuceneUtils.toMap(origIter.next());
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
275 } else { // >
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
276 logger.error(sortFieldName+" "+checkFld+" found in logs but not lucene");
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
277 checkFields = LuceneUtils.toMap(checkIter.next());
7d145095cc0b lucene.logging check
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diff changeset
278 }
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
279 }
7d145095cc0b lucene.logging check
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diff changeset
280 while( origFields!=null ) {
7d145095cc0b lucene.logging check
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diff changeset
281 Comparable origFld = (Comparable)origFields.get(sortFieldName);
7d145095cc0b lucene.logging check
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diff changeset
282 logger.error(sortFieldName+" "+origFld+" found in lucene but not logs");
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
283 origFields = LuceneUtils.toMap(origIter.next());
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
284 }
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
285 while( checkFields!=null ) {
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
286 Comparable checkFld = (Comparable)checkFields.get(sortFieldName);
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
287 logger.error(sortFieldName+" "+checkFld+" found in logs but not lucene");
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
288 checkFields = LuceneUtils.toMap(checkIter.next());
7d145095cc0b lucene.logging check
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diff changeset
289 }
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
290 //logger.info("check done");
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
291 }
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
292 checkReader.close();
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
293 checkWriter.close();
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
294 IoUtils.deleteRecursively(dirFile);
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
295 logger.info("check done");
7d145095cc0b lucene.logging check
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diff changeset
296 } finally {
1487
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diff changeset
297 isChecking = false;
1476
7d145095cc0b lucene.logging check
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diff changeset
298 indexReader.close();
7d145095cc0b lucene.logging check
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diff changeset
299 }
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
300 }
7d145095cc0b lucene.logging check
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diff changeset
301
7d145095cc0b lucene.logging check
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diff changeset
302 private static abstract class HashCollector extends GoodCollector {
7d145095cc0b lucene.logging check
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diff changeset
303 int total = 0;
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
304 }
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
305
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
306 private static int hash(IndexReader reader) throws IOException {
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
307 final IndexSearcher searcher = new IndexSearcher(reader);
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
308 Query query = new MatchAllDocsQuery();
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
309 HashCollector col = new HashCollector() {
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
310 public void collectDoc(int iDoc) throws IOException {
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
311 Document doc = searcher.doc(iDoc);
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
312 Map<String,Object> storedFields = LuceneUtils.toMap(doc);
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
313 total += storedFields.hashCode();
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
314 }
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
315 };
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
316 searcher.search(query,col);
7d145095cc0b lucene.logging check
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parents: 1475
diff changeset
317 return col.total;
1461
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
318 }
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
319
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
320 public synchronized void close() throws IOException {
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
321 indexWriter.close();
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
322 log.commit();
1486
2469aa31f31b LogOutputStream
Franklin Schmidt <fschmidt@gmail.com>
parents: 1484
diff changeset
323 log.close();
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
324 }
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
325
5e3870618377 lucene.logging dir
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parents: 1461
diff changeset
326 public synchronized void commit() throws IOException {
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
327 indexWriter.commit();
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
328 log.commit();
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
329 if( isMerging )
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
330 return;
1486
2469aa31f31b LogOutputStream
Franklin Schmidt <fschmidt@gmail.com>
parents: 1484
diff changeset
331 if( log.logFile.end() > logs.get(0).end() ) {
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
332 logs.add( newLogFile() );
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
333 writeIndex();
1486
2469aa31f31b LogOutputStream
Franklin Schmidt <fschmidt@gmail.com>
parents: 1484
diff changeset
334 setLog();
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
335 }
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
336 if( logs.size() > 3 ) {
5e3870618377 lucene.logging dir
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parents: 1461
diff changeset
337 isMerging = true;
1476
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
338 new Thread(mergeLogs).start();
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
339 // mergeLogs.run();
1465
5e3870618377 lucene.logging dir
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parents: 1461
diff changeset
340 }
1461
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
341 }
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
342
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
343 public synchronized void rollback() throws IOException {
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
344 indexWriter.rollback();
1476
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
345 log.rollback();
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
346 }
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
347
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
348 public synchronized void deleteAll() throws IOException {
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
349 indexWriter.deleteAll();
1486
2469aa31f31b LogOutputStream
Franklin Schmidt <fschmidt@gmail.com>
parents: 1484
diff changeset
350 writeOp(OP_DELETE_ALL);
1461
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
351 }
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
352
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
353 public synchronized void deleteDocuments(Query query) throws IOException {
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
354 indexWriter.deleteDocuments(query);
1486
2469aa31f31b LogOutputStream
Franklin Schmidt <fschmidt@gmail.com>
parents: 1484
diff changeset
355 writeOp(OP_DELETE_DOCUMENTS);
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
356 log.writeQuery(query);
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
357 }
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
358
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
359 public synchronized void addDocument(Map<String,Object> storedFields) throws IOException {
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
360 indexWriter.addDocument(storedFields);
1486
2469aa31f31b LogOutputStream
Franklin Schmidt <fschmidt@gmail.com>
parents: 1484
diff changeset
361 writeOp(OP_ADD_DOCUMENT);
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
362 log.writeMap(storedFields);
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
363 }
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
364
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
365 public synchronized void updateDocument(String keyFieldName,Map<String,Object> storedFields) throws IOException {
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
366 indexWriter.updateDocument(keyFieldName,storedFields);
1486
2469aa31f31b LogOutputStream
Franklin Schmidt <fschmidt@gmail.com>
parents: 1484
diff changeset
367 writeOp(OP_UPDATE_DOCUMENT);
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
368 log.writeUTF(keyFieldName);
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
369 log.writeMap(storedFields);
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
370 }
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
371
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
372 public synchronized void reindexDocuments(String keyFieldName,Query query) throws IOException {
1461
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
373 indexWriter.reindexDocuments(keyFieldName,query);
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
374 }
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
375
1486
2469aa31f31b LogOutputStream
Franklin Schmidt <fschmidt@gmail.com>
parents: 1484
diff changeset
376 private void writeOp(int op) throws IOException {
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
377 log.writeLong(System.currentTimeMillis());
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
378 log.writeByte(op);
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
379 }
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
380
1476
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
381 public synchronized void playLogs() throws IOException {
1484
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
382 playLogs( logReaders(logs), indexWriter );
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
383 }
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
384
1484
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
385 private static List<LogInputStream> logReaders(List<LogFile> logs) throws IOException {
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
386 List<LogInputStream> logReaders = new ArrayList<LogInputStream>();
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
387 for( LogFile log : logs ) {
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
388 logReaders.add( log.input() );
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
389 }
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
390 return logReaders;
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
391 }
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
392
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
393 private static void playLogs(List<LogInputStream> logReaders,LuceneIndexWriter indexWriter) throws IOException {
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
394 if( numDocs(indexWriter) != 0 )
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
395 throw new RuntimeException ("not empty");
1484
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
396 for( LogInputStream reader : logReaders ) {
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
397 playLog(reader,indexWriter);
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
398 }
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
399 indexWriter.commit();
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
400 }
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
401
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
402 private static int numDocs(LuceneIndexWriter indexWriter) throws IOException {
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
403 IndexReader reader = indexWriter.openReader();
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
404 int n = reader.numDocs();
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
405 reader.close();
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
406 return n;
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
407 }
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
408
1484
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
409 private static void playLog(LogInputStream in,LuceneIndexWriter indexWriter) throws IOException {
1476
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
410 while( in.available() > 0 ) {
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
411 playOp(in,indexWriter);
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
412 }
1484
1fa6e8ec2d53 lucene.logging cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1476
diff changeset
413 in.close();
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
414 }
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
415
1476
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
416 private static void playOp(LogInputStream in,LuceneIndexWriter indexWriter) throws IOException {
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
417 in.readLong(); // time
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
418 int op = in.readByte();
1461
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
419 switch(op) {
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
420 case OP_DELETE_ALL:
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
421 indexWriter.deleteAll();
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
422 return;
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
423 case OP_DELETE_DOCUMENTS:
1476
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
424 indexWriter.deleteDocuments( in.readQuery() );
1461
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
425 return;
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
426 case OP_ADD_DOCUMENT:
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
427 {
1476
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
428 Map storedFields = in.readMap();
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
429 indexWriter.addDocument(storedFields);
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
430 return;
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
431 }
1461
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
432 case OP_UPDATE_DOCUMENT:
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
433 {
1476
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
434 String keyFieldName = in.readUTF();
7d145095cc0b lucene.logging check
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
435 Map storedFields = in.readMap();
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
436 indexWriter.updateDocument(keyFieldName,storedFields);
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
437 return;
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
438 }
1461
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
439 default:
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
440 throw new RuntimeException("invalid op "+op);
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
441 }
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
442 }
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
443
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
444 private static void dump(LuceneIndexWriter indexWriter) throws IOException {
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
445 IndexReader reader = indexWriter.openReader();
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
446 IndexSearcher searcher = new IndexSearcher(reader);
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
447 Query query = new MatchAllDocsQuery();
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
448 TopDocs td = searcher.search(query,100);
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
449 System.out.println("totalHits = "+td.totalHits);
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
450 for( int i=0; i<td.scoreDocs.length; i++ ) {
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
451 Document doc = searcher.doc(td.scoreDocs[i].doc);
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
452 System.out.println(LuceneUtils.toMap(doc));
1461
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
453 }
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
454 System.out.println();
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
455 reader.close();
1461
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
456 }
1465
5e3870618377 lucene.logging dir
Franklin Schmidt <fschmidt@gmail.com>
parents: 1461
diff changeset
457
1461
e5d48b85351c start lucene.logging
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
458 }