Class Lucene101PostingsReader
java.lang.Object
org.apache.lucene.codecs.PostingsReaderBase
org.apache.lucene.codecs.lucene101.Lucene101PostingsReader
- All Implemented Interfaces:
Closeable,AutoCloseable
Concrete class that reads docId(maybe frq,pos,offset,payloads) list with postings format.
- WARNING: This API is experimental and might change in incompatible ways in the next release.
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidChecks consistency of this reader.voidclose()voiddecodeTerm(DataInput in, FieldInfo fieldInfo, BlockTermState _termState, boolean absolute) Actually decode metadata for next termimpacts(FieldInfo fieldInfo, BlockTermState state, int flags) Return aImpactsEnumthat computes impacts withscorer.voidinit(IndexInput termsIn, SegmentReadState state) Performs any initialization, such as reading and verifying the header from the provided terms dictionaryIndexInput.Return a newly created empty TermStatepostings(FieldInfo fieldInfo, BlockTermState termState, PostingsEnum reuse, int flags) Must fully consume state, since after this call that TermState may be reused.toString()
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Constructor Details
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Lucene101PostingsReader
Sole constructor.- Throws:
IOException
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Method Details
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init
Description copied from class:PostingsReaderBasePerforms any initialization, such as reading and verifying the header from the provided terms dictionaryIndexInput.- Specified by:
initin classPostingsReaderBase- Throws:
IOException
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newTermState
Description copied from class:PostingsReaderBaseReturn a newly created empty TermState- Specified by:
newTermStatein classPostingsReaderBase
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close
- Specified by:
closein interfaceAutoCloseable- Specified by:
closein interfaceCloseable- Specified by:
closein classPostingsReaderBase- Throws:
IOException
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decodeTerm
public void decodeTerm(DataInput in, FieldInfo fieldInfo, BlockTermState _termState, boolean absolute) throws IOException Description copied from class:PostingsReaderBaseActually decode metadata for next term- Specified by:
decodeTermin classPostingsReaderBase- Throws:
IOException- See Also:
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postings
public PostingsEnum postings(FieldInfo fieldInfo, BlockTermState termState, PostingsEnum reuse, int flags) throws IOException Description copied from class:PostingsReaderBaseMust fully consume state, since after this call that TermState may be reused.- Specified by:
postingsin classPostingsReaderBase- Throws:
IOException
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impacts
Description copied from class:PostingsReaderBaseReturn aImpactsEnumthat computes impacts withscorer.- Specified by:
impactsin classPostingsReaderBase- Throws:
IOException- See Also:
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checkIntegrity
Description copied from class:PostingsReaderBaseChecks consistency of this reader.Note that this may be costly in terms of I/O, e.g. may involve computing a checksum value against large data files.
- Specified by:
checkIntegrityin classPostingsReaderBase- Throws:
IOException
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toString
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