Package org.apache.lucene.search.suggest
Class BufferedInputIterator
java.lang.Object
org.apache.lucene.search.suggest.BufferedInputIterator
- All Implemented Interfaces:
InputIterator
,BytesRefIterator
- Direct Known Subclasses:
UnsortedInputIterator
This wrapper buffers incoming elements.
- WARNING: This API is experimental and might change in incompatible ways in the next release.
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Nested Class Summary
Nested classes/interfaces inherited from interface org.apache.lucene.search.suggest.InputIterator
InputIterator.InputIteratorWrapper
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Field Summary
Modifier and TypeFieldDescriptionbuffered context set entriesprotected int
current buffer positionprotected BytesRefArray
buffered term entriesprotected long[]
buffered weights, parallel withentries
protected BytesRefArray
buffered payload entriesFields inherited from interface org.apache.lucene.search.suggest.InputIterator
EMPTY
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Constructor Summary
ConstructorDescriptionBufferedInputIterator
(InputIterator source) Creates a new iterator, buffering entries from the specified iterator -
Method Summary
Modifier and TypeMethodDescriptioncontexts()
A term's contexts context can be used to filter suggestions.boolean
Returns true if the iterator has contextsboolean
Returns true if the iterator has payloadsnext()
payload()
An arbitrary byte[] to record per suggestion.long
weight()
A term's weight, higher numbers mean better suggestions.
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Field Details
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entries
buffered term entries -
payloads
buffered payload entries -
contextSets
buffered context set entries -
curPos
protected int curPoscurrent buffer position -
freqs
protected long[] freqsbuffered weights, parallel withentries
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Constructor Details
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BufferedInputIterator
Creates a new iterator, buffering entries from the specified iterator- Throws:
IOException
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Method Details
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weight
public long weight()Description copied from interface:InputIterator
A term's weight, higher numbers mean better suggestions.- Specified by:
weight
in interfaceInputIterator
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next
- Specified by:
next
in interfaceBytesRefIterator
- Throws:
IOException
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payload
Description copied from interface:InputIterator
An arbitrary byte[] to record per suggestion. SeeLookup.LookupResult.payload
to retrieve the payload for each suggestion.- Specified by:
payload
in interfaceInputIterator
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hasPayloads
public boolean hasPayloads()Description copied from interface:InputIterator
Returns true if the iterator has payloads- Specified by:
hasPayloads
in interfaceInputIterator
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contexts
Description copied from interface:InputIterator
A term's contexts context can be used to filter suggestions. May return null, if suggest entries do not have any context- Specified by:
contexts
in interfaceInputIterator
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hasContexts
public boolean hasContexts()Description copied from interface:InputIterator
Returns true if the iterator has contexts- Specified by:
hasContexts
in interfaceInputIterator
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