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java.lang.Objectorg.apache.lucene.search.Weight
org.apache.lucene.search.spans.SpanWeight
org.apache.lucene.search.payloads.PayloadTermQuery.PayloadTermWeight
protected class PayloadTermQuery.PayloadTermWeight
Nested Class Summary | |
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protected class |
PayloadTermQuery.PayloadTermWeight.PayloadTermSpanScorer
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Field Summary |
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Fields inherited from class org.apache.lucene.search.spans.SpanWeight |
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idf, query, queryNorm, queryWeight, similarity, terms, value |
Constructor Summary | |
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PayloadTermQuery.PayloadTermWeight(PayloadTermQuery query,
Searcher searcher)
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Method Summary | |
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Scorer |
scorer(IndexReader reader,
boolean scoreDocsInOrder,
boolean topScorer)
Returns a Scorer which scores documents in/out-of order according
to scoreDocsInOrder . |
Methods inherited from class org.apache.lucene.search.spans.SpanWeight |
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explain, getQuery, getValue, normalize, sumOfSquaredWeights |
Methods inherited from class org.apache.lucene.search.Weight |
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scoresDocsOutOfOrder |
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 PayloadTermQuery.PayloadTermWeight(PayloadTermQuery query, Searcher searcher) throws java.io.IOException
java.io.IOException
Method Detail |
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public Scorer scorer(IndexReader reader, boolean scoreDocsInOrder, boolean topScorer) throws java.io.IOException
Weight
Scorer
which scores documents in/out-of order according
to scoreDocsInOrder
.
NOTE: even if scoreDocsInOrder
is false, it is
recommended to check whether the returned Scorer
indeed scores
documents out of order (i.e., call Weight.scoresDocsOutOfOrder()
), as
some Scorer
implementations will always return documents
in-order.
NOTE: null can be returned if no documents will be scored by this
query.
scorer
in class SpanWeight
reader
- the IndexReader
for which to return the Scorer
.scoreDocsInOrder
- specifies whether in-order scoring of documents is required. Note
that if set to false (i.e., out-of-order scoring is required),
this method can return whatever scoring mode it supports, as every
in-order scorer is also an out-of-order one. However, an
out-of-order scorer may not support DocIdSetIterator.nextDoc()
and/or DocIdSetIterator.advance(int)
, therefore it is recommended to
request an in-order scorer if use of these methods is required.topScorer
- if true, Scorer.score(Collector)
will be called; if false,
DocIdSetIterator.nextDoc()
and/or DocIdSetIterator.advance(int)
will
be called.
Scorer
which scores documents in/out-of order.
java.io.IOException
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