Mercurial Hosting > luan
annotate src/goodjava/lucene/logging/LogOutputStream.java @ 1495:2e8a5df45d56
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| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Tue, 05 May 2020 11:03:48 -0600 |
| parents | 2469aa31f31b |
| children | 117ce8645b7f |
| rev | line source |
|---|---|
| 1461 | 1 package goodjava.lucene.logging; |
| 2 | |
| 1481 | 3 import java.io.OutputStream; |
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4 import java.io.DataOutputStream; |
| 1461 | 5 import java.io.RandomAccessFile; |
| 6 import java.io.IOException; | |
| 7 import java.util.List; | |
| 8 import java.util.Map; | |
| 9 import org.apache.lucene.index.Term; | |
| 10 import org.apache.lucene.search.Query; | |
| 11 import org.apache.lucene.search.MatchAllDocsQuery; | |
| 12 import org.apache.lucene.search.TermQuery; | |
| 13 import org.apache.lucene.search.PrefixQuery; | |
| 14 import org.apache.lucene.search.WildcardQuery; | |
| 15 import org.apache.lucene.search.TermRangeQuery; | |
| 16 import org.apache.lucene.search.PhraseQuery; | |
| 17 import org.apache.lucene.search.NumericRangeQuery; | |
| 18 import org.apache.lucene.search.BooleanQuery; | |
| 19 import org.apache.lucene.search.BooleanClause; | |
| 20 import org.apache.lucene.util.BytesRef; | |
| 1465 | 21 import goodjava.logging.Logger; |
| 22 import goodjava.logging.LoggerFactory; | |
| 1461 | 23 |
| 24 | |
| 1486 | 25 public class LogOutputStream extends DataOutputStream { |
| 26 private static final Logger logger = LoggerFactory.getLogger(LogOutputStream.class); | |
| 27 public final LogFile logFile; | |
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28 private final RandomAccessFile raf; |
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29 |
| 1486 | 30 protected LogOutputStream(LogFile logFile,RandomAccessFile raf,OutputStream out) throws IOException { |
| 31 super(out); | |
| 32 this.logFile = logFile; | |
| 33 this.raf = raf; | |
| 34 raf.seek(logFile.end); | |
| 1461 | 35 } |
| 36 | |
| 37 public void commit() throws IOException { | |
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diff
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38 flush(); |
| 1486 | 39 long end = raf.getFilePointer(); |
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parents:
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diff
changeset
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40 raf.seek(0L); |
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7d145095cc0b
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parents:
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diff
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41 raf.writeLong(end); |
| 1486 | 42 logFile.end = end; |
| 1481 | 43 raf.seek(end); |
| 1461 | 44 } |
| 45 | |
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46 public void rollback() throws IOException { |
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parents:
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47 flush(); |
| 1486 | 48 raf.seek(logFile.end); |
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parents:
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49 } |
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parents:
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diff
changeset
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50 |
| 1461 | 51 public void writeObject(Object obj) throws IOException { |
| 52 if( obj==null ) { | |
| 1486 | 53 writeByte(LogFile.TYPE_NULL); |
| 1461 | 54 return; |
| 55 } | |
| 56 if( obj instanceof String ) { | |
| 1486 | 57 writeByte(LogFile.TYPE_STRING); |
| 1461 | 58 writeUTF((String)obj); |
| 59 return; | |
| 60 } | |
| 61 if( obj instanceof Integer ) { | |
| 1486 | 62 writeByte(LogFile.TYPE_INT); |
| 1461 | 63 writeInt((Integer)obj); |
| 64 return; | |
| 65 } | |
| 66 if( obj instanceof Long ) { | |
| 1486 | 67 writeByte(LogFile.TYPE_LONG); |
| 1461 | 68 writeLong((Long)obj); |
| 69 return; | |
| 70 } | |
| 71 if( obj instanceof Float ) { | |
| 1486 | 72 writeByte(LogFile.TYPE_FLOAT); |
| 1461 | 73 writeFloat((Float)obj); |
| 74 return; | |
| 75 } | |
| 76 if( obj instanceof Double ) { | |
| 1486 | 77 writeByte(LogFile.TYPE_DOUBLE); |
| 1461 | 78 writeDouble((Double)obj); |
| 79 return; | |
| 80 } | |
| 81 if( obj instanceof byte[] ) { | |
| 1486 | 82 writeByte(LogFile.TYPE_BYTES); |
| 1461 | 83 writeByteArray((byte[])obj); |
| 84 return; | |
| 85 } | |
| 86 if( obj instanceof List ) { | |
| 1486 | 87 writeByte(LogFile.TYPE_LIST); |
| 1461 | 88 writeList((List)obj); |
| 89 return; | |
| 90 } | |
| 91 if( obj instanceof MatchAllDocsQuery ) { | |
| 1486 | 92 writeByte(LogFile.TYPE_QUERY_MATCH_ALL_DOCS); |
| 1461 | 93 return; |
| 94 } | |
| 95 if( obj instanceof TermQuery ) { | |
| 1486 | 96 writeByte(LogFile.TYPE_QUERY_TERM); |
| 1461 | 97 TermQuery query = (TermQuery)obj; |
| 98 writeTerm( query.getTerm() ); | |
| 99 return; | |
| 100 } | |
| 101 if( obj instanceof PrefixQuery ) { | |
| 1486 | 102 writeByte(LogFile.TYPE_QUERY_PREFIX); |
| 1461 | 103 PrefixQuery query = (PrefixQuery)obj; |
| 104 writeTerm( query.getPrefix() ); | |
| 105 return; | |
| 106 } | |
| 107 if( obj instanceof WildcardQuery ) { | |
| 1486 | 108 writeByte(LogFile.TYPE_QUERY_TERM_RANGE); |
| 1461 | 109 WildcardQuery query = (WildcardQuery)obj; |
| 110 writeTerm( query.getTerm() ); | |
| 111 return; | |
| 112 } | |
| 113 if( obj instanceof TermRangeQuery ) { | |
| 1486 | 114 writeByte(LogFile.TYPE_QUERY_TERM_RANGE); |
| 1461 | 115 TermRangeQuery query = (TermRangeQuery)obj; |
| 116 writeUTF( query.getField() ); | |
| 117 writeBytesRef( query.getLowerTerm() ); | |
| 118 writeBytesRef( query.getUpperTerm() ); | |
| 119 writeBoolean( query.includesLower() ); | |
| 120 writeBoolean( query.includesUpper() ); | |
| 121 return; | |
| 122 } | |
| 123 if( obj instanceof PhraseQuery ) { | |
| 1486 | 124 writeByte(LogFile.TYPE_QUERY_PHRASE); |
| 1461 | 125 PhraseQuery query = (PhraseQuery)obj; |
| 126 Term[] terms = query.getTerms(); | |
| 127 int[] positions = query.getPositions(); | |
| 128 if( terms.length != positions.length ) | |
| 129 throw new RuntimeException(); | |
| 130 writeInt( terms.length ); | |
| 131 for( int i=0; i<terms.length; i++ ) { | |
| 132 writeTerm( terms[i] ); | |
| 133 writeInt( positions[i] ); | |
| 134 } | |
| 135 return; | |
| 136 } | |
| 137 if( obj instanceof NumericRangeQuery ) { | |
| 1486 | 138 writeByte(LogFile.TYPE_QUERY_NUMERIC_RANGE); |
| 1461 | 139 NumericRangeQuery query = (NumericRangeQuery)obj; |
| 140 writeUTF( query.getField() ); | |
| 141 writeObject( query.getMin() ); | |
| 142 writeObject( query.getMax() ); | |
| 143 writeBoolean( query.includesMin() ); | |
| 144 writeBoolean( query.includesMax() ); | |
| 145 return; | |
| 146 } | |
| 147 if( obj instanceof BooleanQuery ) { | |
| 1486 | 148 writeByte(LogFile.TYPE_QUERY_BOOLEAN); |
| 1461 | 149 BooleanQuery query = (BooleanQuery)obj; |
| 150 BooleanClause[] a = query.getClauses(); | |
| 151 writeInt(a.length); | |
| 152 for( BooleanClause bc : a ) { | |
| 153 writeQuery( bc.getQuery() ); | |
| 154 writeUTF( bc.getOccur().name() ); | |
| 155 } | |
| 156 return; | |
| 157 } | |
| 158 throw new IllegalArgumentException("invalid type for "+obj); | |
| 159 } | |
| 160 | |
| 161 public void writeByteArray(byte[] bytes) throws IOException { | |
| 162 writeInt(bytes.length); | |
| 163 write(bytes); | |
| 164 } | |
| 165 | |
| 166 public void writeList(List list) throws IOException { | |
| 167 writeInt(list.size()); | |
| 168 for( Object obj : list ) { | |
| 169 writeObject(obj); | |
| 170 } | |
| 171 } | |
| 172 | |
| 173 public void writeMap(Map map) throws IOException { | |
| 174 writeInt(map.size()); | |
| 175 for( Object obj : map.entrySet() ) { | |
| 176 Map.Entry entry = (Map.Entry)obj; | |
| 177 writeObject( entry.getKey() ); | |
| 178 writeObject( entry.getValue() ); | |
| 179 } | |
| 180 } | |
| 181 | |
| 182 public void writeQuery(Query query) throws IOException { | |
| 183 writeObject(query); | |
| 184 } | |
| 185 | |
| 186 public void writeBytesRef(BytesRef br) throws IOException { | |
| 187 writeInt(br.length); | |
| 188 write(br.bytes,0,br.length); | |
| 189 } | |
| 190 | |
| 191 public void writeTerm(Term term) throws IOException { | |
| 192 writeUTF(term.field()); | |
| 193 writeBytesRef( term.bytes() ); | |
| 194 } | |
| 195 | |
| 196 } |