Class Lucene41PostingsReader
java.lang.Object
org.apache.lucene.codecs.PostingsReaderBase
org.apache.lucene.codecs.lucene41.Lucene41PostingsReader
- All Implemented Interfaces:
Closeable
,AutoCloseable
Concrete class that reads docId(maybe frq,pos,offset,payloads) list
with postings format.
- See Also:
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for details
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Constructor Summary
ConstructorsConstructorDescriptionLucene41PostingsReader
(Directory dir, FieldInfos fieldInfos, SegmentInfo segmentInfo, IOContext ioContext, String segmentSuffix) Sole constructor. -
Method Summary
Modifier and TypeMethodDescriptionvoid
close()
void
decodeTerm
(long[] longs, DataInput in, FieldInfo fieldInfo, BlockTermState _termState, boolean absolute) Actually decode metadata for next termdocs
(FieldInfo fieldInfo, BlockTermState termState, Bits liveDocs, DocsEnum reuse, int flags) Must fully consume state, since after this call that TermState may be reused.docsAndPositions
(FieldInfo fieldInfo, BlockTermState termState, Bits liveDocs, DocsAndPositionsEnum reuse, int flags) Must fully consume state, since after this call that TermState may be reused.void
init
(IndexInput termsIn) Performs any initialization, such as reading and verifying the header from the provided terms dictionaryIndexInput
.Return a newly created empty TermStatelong
Returns approximate RAM bytes used
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Constructor Details
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Lucene41PostingsReader
public Lucene41PostingsReader(Directory dir, FieldInfos fieldInfos, SegmentInfo segmentInfo, IOContext ioContext, String segmentSuffix) throws IOException Sole constructor.- Throws:
IOException
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Method Details
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init
Description copied from class:PostingsReaderBase
Performs any initialization, such as reading and verifying the header from the provided terms dictionaryIndexInput
.- Specified by:
init
in classPostingsReaderBase
- Throws:
IOException
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newTermState
Description copied from class:PostingsReaderBase
Return a newly created empty TermState- Specified by:
newTermState
in classPostingsReaderBase
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close
- Specified by:
close
in interfaceAutoCloseable
- Specified by:
close
in interfaceCloseable
- Specified by:
close
in classPostingsReaderBase
- Throws:
IOException
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decodeTerm
public void decodeTerm(long[] longs, DataInput in, FieldInfo fieldInfo, BlockTermState _termState, boolean absolute) throws IOException Description copied from class:PostingsReaderBase
Actually decode metadata for next term -
docs
public DocsEnum docs(FieldInfo fieldInfo, BlockTermState termState, Bits liveDocs, DocsEnum reuse, int flags) throws IOException Description copied from class:PostingsReaderBase
Must fully consume state, since after this call that TermState may be reused.- Specified by:
docs
in classPostingsReaderBase
- Throws:
IOException
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docsAndPositions
public DocsAndPositionsEnum docsAndPositions(FieldInfo fieldInfo, BlockTermState termState, Bits liveDocs, DocsAndPositionsEnum reuse, int flags) throws IOException Description copied from class:PostingsReaderBase
Must fully consume state, since after this call that TermState may be reused.- Specified by:
docsAndPositions
in classPostingsReaderBase
- Throws:
IOException
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ramBytesUsed
public long ramBytesUsed()Description copied from class:PostingsReaderBase
Returns approximate RAM bytes used- Specified by:
ramBytesUsed
in classPostingsReaderBase
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