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java.lang.Objectorg.apache.lucene.search.suggest.SortedTermFreqIteratorWrapper
public class SortedTermFreqIteratorWrapper
This wrapper buffers incoming elements and makes sure they are sorted based on given comparator.
Nested Class Summary |
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Nested classes/interfaces inherited from interface org.apache.lucene.search.spell.TermFreqIterator |
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TermFreqIterator.TermFreqIteratorWrapper |
Field Summary |
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Fields inherited from interface org.apache.lucene.util.BytesRefIterator |
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EMPTY |
Constructor Summary | |
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SortedTermFreqIteratorWrapper(TermFreqIterator source,
Comparator<BytesRef> comparator)
Calls SortedTermFreqIteratorWrapper(source, comparator, false) |
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SortedTermFreqIteratorWrapper(TermFreqIterator source,
Comparator<BytesRef> comparator,
boolean compareRawBytes)
Creates a new sorted wrapper. |
Method Summary | |
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protected long |
decode(BytesRef scratch,
ByteArrayDataInput tmpInput)
decodes the weight at the current position |
protected void |
encode(Sort.ByteSequencesWriter writer,
ByteArrayDataOutput output,
byte[] buffer,
BytesRef spare,
long weight)
encodes an entry (bytes+weight) to the provided writer |
Comparator<BytesRef> |
getComparator()
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BytesRef |
next()
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long |
weight()
A term's weight, higher numbers mean better suggestions. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public SortedTermFreqIteratorWrapper(TermFreqIterator source, Comparator<BytesRef> comparator) throws IOException
SortedTermFreqIteratorWrapper(source, comparator, false)
IOException
public SortedTermFreqIteratorWrapper(TermFreqIterator source, Comparator<BytesRef> comparator, boolean compareRawBytes) throws IOException
compareRawBytes
is true, then
only the bytes (not the weight) will be used for comparison.
IOException
Method Detail |
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public BytesRef next() throws IOException
next
in interface BytesRefIterator
IOException
public Comparator<BytesRef> getComparator()
getComparator
in interface BytesRefIterator
public long weight()
TermFreqIterator
weight
in interface TermFreqIterator
protected void encode(Sort.ByteSequencesWriter writer, ByteArrayDataOutput output, byte[] buffer, BytesRef spare, long weight) throws IOException
IOException
protected long decode(BytesRef scratch, ByteArrayDataInput tmpInput)
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