Class STUniformSplitTermsReader
- java.lang.Object
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- org.apache.lucene.index.Fields
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- org.apache.lucene.codecs.FieldsProducer
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- org.apache.lucene.codecs.uniformsplit.UniformSplitTermsReader
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- org.apache.lucene.codecs.uniformsplit.sharedterms.STUniformSplitTermsReader
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- All Implemented Interfaces:
Closeable
,AutoCloseable
,Iterable<String>
public class STUniformSplitTermsReader extends UniformSplitTermsReader
A block-based terms index and dictionary based on the Uniform Split technique, and sharing all the fields terms in the same dictionary, with all the fields of a term in the same block line.- See Also:
STUniformSplitTermsWriter
- WARNING: This API is experimental and might change in incompatible ways in the next release.
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Field Summary
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Fields inherited from class org.apache.lucene.codecs.uniformsplit.UniformSplitTermsReader
blockInput, dictionaryInput, fieldToTermsMap, postingsReader, sortedFieldNames, version
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Fields inherited from class org.apache.lucene.index.Fields
EMPTY_ARRAY
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Constructor Summary
Constructors Modifier Constructor Description STUniformSplitTermsReader(PostingsReaderBase postingsReader, SegmentReadState state, BlockDecoder blockDecoder, boolean dictionaryOnHeap)
protected
STUniformSplitTermsReader(PostingsReaderBase postingsReader, SegmentReadState state, BlockDecoder blockDecoder, boolean dictionaryOnHeap, FieldMetadata.Serializer fieldMetadataReader, String codecName, int versionStart, int versionCurrent, String termsBlocksExtension, String dictionaryExtension)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected FieldMetadata
createUnionFieldMetadata(Iterable<FieldMetadata> fieldMetadataIterable)
Creates a virtualFieldMetadata
that is the union of the givenFieldMetadata
s.protected void
fillFieldMap(PostingsReaderBase postingsReader, SegmentReadState state, BlockDecoder blockDecoder, boolean dictionaryOnHeap, IndexInput dictionaryInput, IndexInput blockInput, Collection<FieldMetadata> fieldMetadataCollection, FieldInfos fieldInfos)
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Methods inherited from class org.apache.lucene.codecs.uniformsplit.UniformSplitTermsReader
checkIntegrity, close, createDictionaryBrowserSupplier, iterator, readEncodedFieldsMetadata, readFieldsMetadata, readUnencodedFieldsMetadata, seekFieldsMetadata, size, terms
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Methods inherited from class org.apache.lucene.codecs.FieldsProducer
getMergeInstance
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface java.lang.Iterable
forEach, spliterator
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Constructor Detail
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STUniformSplitTermsReader
public STUniformSplitTermsReader(PostingsReaderBase postingsReader, SegmentReadState state, BlockDecoder blockDecoder, boolean dictionaryOnHeap) throws IOException
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STUniformSplitTermsReader
protected STUniformSplitTermsReader(PostingsReaderBase postingsReader, SegmentReadState state, BlockDecoder blockDecoder, boolean dictionaryOnHeap, FieldMetadata.Serializer fieldMetadataReader, String codecName, int versionStart, int versionCurrent, String termsBlocksExtension, String dictionaryExtension) throws IOException
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Method Detail
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fillFieldMap
protected void fillFieldMap(PostingsReaderBase postingsReader, SegmentReadState state, BlockDecoder blockDecoder, boolean dictionaryOnHeap, IndexInput dictionaryInput, IndexInput blockInput, Collection<FieldMetadata> fieldMetadataCollection, FieldInfos fieldInfos) throws IOException
- Overrides:
fillFieldMap
in classUniformSplitTermsReader
- Throws:
IOException
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createUnionFieldMetadata
protected FieldMetadata createUnionFieldMetadata(Iterable<FieldMetadata> fieldMetadataIterable)
Creates a virtualFieldMetadata
that is the union of the givenFieldMetadata
s. ItsFieldMetadata.getFirstBlockStartFP()
,FieldMetadata.getLastBlockStartFP()
andFieldMetadata.getLastTerm()
are respectively the min and max among theFieldMetadata
s provided as parameter.
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