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)protectedSTUniformSplitTermsReader(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 FieldMetadatacreateUnionFieldMetadata(Iterable<FieldMetadata> fieldMetadataIterable)Creates a virtualFieldMetadatathat is the union of the givenFieldMetadatas.protected voidfillFieldMap(PostingsReaderBase postingsReader, SegmentReadState state, BlockDecoder blockDecoder, boolean dictionaryOnHeap, IndexInput dictionaryInput, IndexInput blockInput, Collection<FieldMetadata> fieldMetadataCollection, FieldInfos fieldInfos)-
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:
fillFieldMapin classUniformSplitTermsReader- Throws:
IOException
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createUnionFieldMetadata
protected FieldMetadata createUnionFieldMetadata(Iterable<FieldMetadata> fieldMetadataIterable)
Creates a virtualFieldMetadatathat is the union of the givenFieldMetadatas. ItsFieldMetadata.getFirstBlockStartFP(),FieldMetadata.getLastBlockStartFP()andFieldMetadata.getLastTerm()are respectively the min and max among theFieldMetadatas provided as parameter.
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