Module org.apache.lucene.core
Package org.apache.lucene.index
Class SlowCompositeCodecReaderWrapper.SlowCompositeFieldsProducerWrapper
- 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.index.SlowCompositeCodecReaderWrapper.SlowCompositeFieldsProducerWrapper
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- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
,java.lang.Iterable<java.lang.String>
- Enclosing class:
- SlowCompositeCodecReaderWrapper
private static class SlowCompositeCodecReaderWrapper.SlowCompositeFieldsProducerWrapper extends FieldsProducer
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Field Summary
Fields Modifier and Type Field Description private MultiFields
fields
private FieldsProducer[]
producers
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Fields inherited from class org.apache.lucene.index.Fields
EMPTY_ARRAY
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Constructor Summary
Constructors Constructor Description SlowCompositeFieldsProducerWrapper(FieldsProducer[] producers, int[] docStarts)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
checkIntegrity()
Checks consistency of this reader.void
close()
java.util.Iterator<java.lang.String>
iterator()
Returns an iterator that will step through all fields names.int
size()
Returns the number of fields or -1 if the number of distinct field names is unknown.Terms
terms(java.lang.String field)
Get theTerms
for this field.-
Methods inherited from class org.apache.lucene.codecs.FieldsProducer
getMergeInstance
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Field Detail
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producers
private final FieldsProducer[] producers
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fields
private final MultiFields fields
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Constructor Detail
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SlowCompositeFieldsProducerWrapper
SlowCompositeFieldsProducerWrapper(FieldsProducer[] producers, int[] docStarts)
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Method Detail
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close
public void close() throws java.io.IOException
- Specified by:
close
in interfacejava.lang.AutoCloseable
- Specified by:
close
in interfacejava.io.Closeable
- Specified by:
close
in classFieldsProducer
- Throws:
java.io.IOException
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checkIntegrity
public void checkIntegrity() throws java.io.IOException
Description copied from class:FieldsProducer
Checks 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:
checkIntegrity
in classFieldsProducer
- Throws:
java.io.IOException
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iterator
public java.util.Iterator<java.lang.String> iterator()
Description copied from class:Fields
Returns an iterator that will step through all fields names. This will not return null.
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terms
public Terms terms(java.lang.String field) throws java.io.IOException
Description copied from class:Fields
Get theTerms
for this field. This will return null if the field does not exist.
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size
public int size()
Description copied from class:Fields
Returns the number of fields or -1 if the number of distinct field names is unknown. If >= 0,Fields.iterator()
will return as many field names.
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