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annotate src/goodjava/lucene/logging/LogFile.java @ 1639:59731f7c24ce

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host - remove unused file password.nginx
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 21 Dec 2021 16:27:44 -0700
parents 117ce8645b7f
children
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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.InputStream;
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5 import java.io.OutputStream;
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6 import java.io.BufferedOutputStream;
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7 import java.io.RandomAccessFile;
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8 import java.io.FileInputStream;
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9 import java.io.FileOutputStream;
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10 import java.io.IOException;
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11 import goodjava.logging.Logger;
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12 import goodjava.logging.LoggerFactory;
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13 import goodjava.io.FixedLengthInputStream;
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14 import goodjava.io.BufferedInputStream;
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15 import goodjava.io.IoUtils;
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17
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18 public class LogFile {
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19 private static final Logger logger = LoggerFactory.getLogger(LogFile.class);
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20 public final File file;
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21 long end;
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22
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23 public LogFile(File file) throws IOException {
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24 this.file = file;
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25 RandomAccessFile raf = new RandomAccessFile(file,"rwd");
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26 if( raf.length() == 0 ) {
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27 end = 8;
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28 raf.writeLong(end);
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29 } else {
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30 raf.seek(0L);
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31 end = raf.readLong();
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32 raf.seek(end);
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33 }
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34 raf.close();
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35 }
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36
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37 public String toString() {
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38 return "LogFile<" + file.getName() + ">";
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39 }
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40
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41 public long end() {
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42 return end;
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43 }
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44
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45 public LogOutputStream output() throws IOException {
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46 RandomAccessFile raf = new RandomAccessFile(file,"rwd");
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47 OutputStream out = new FileOutputStream(raf.getFD());
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48 out = new BufferedOutputStream(out);
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49 return newLogOutputStream(raf,out);
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50 }
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51
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52 protected LogOutputStream newLogOutputStream(RandomAccessFile raf,OutputStream out) throws IOException {
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53 return new LogOutputStream(this,raf,out);
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54 }
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55
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56 public LogInputStream input() throws IOException {
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57 InputStream in = new FileInputStream(file);
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58 in = new FixedLengthInputStream(in,end);
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59 in = new BufferedInputStream(in);
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60 LogInputStream lis = newLogInputStream(in);
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61 lis.readLong(); // skip end
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62 return lis;
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63 }
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64
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65 protected LogInputStream newLogInputStream(InputStream in) {
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66 return new LogInputStream(in);
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67 }
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68
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69 public long checksum() throws IOException {
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70 return IoUtils.checksum(input());
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71 }
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72
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73 static final int TYPE_NULL = 0;
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74 static final int TYPE_STRING = 1;
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75 static final int TYPE_INT = 2;
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76 static final int TYPE_LONG = 3;
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77 static final int TYPE_FLOAT = 4;
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78 static final int TYPE_DOUBLE = 5;
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79 static final int TYPE_BYTES = 6;
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80 static final int TYPE_LIST = 7;
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81 static final int TYPE_QUERY_MATCH_ALL_DOCS = 8;
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82 static final int TYPE_QUERY_TERM = 9;
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83 static final int TYPE_QUERY_PREFIX = 10;
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84 static final int TYPE_QUERY_WILDCARD = 11;
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85 static final int TYPE_QUERY_TERM_RANGE = 12;
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86 static final int TYPE_QUERY_PHRASE = 13;
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87 static final int TYPE_QUERY_NUMERIC_RANGE = 14;
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88 static final int TYPE_QUERY_BOOLEAN = 15;
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89 static final int TYPE_LONG_STRING = 16;
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90 }