Package org.apache.lucene.spatial.util
Class CachingDoubleValueSource
java.lang.Object
org.apache.lucene.search.DoubleValuesSource
org.apache.lucene.spatial.util.CachingDoubleValueSource
- All Implemented Interfaces:
SegmentCacheable
Caches the doubleVal of another value source in a HashMap so that it is computed only once.
- NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.
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Field Summary
Fields inherited from class org.apache.lucene.search.DoubleValuesSource
SCORES -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionbooleanexplain(LeafReaderContext ctx, int docId, Explanation scoreExplanation) getValues(LeafReaderContext readerContext, DoubleValues scores) inthashCode()booleanbooleanrewrite(IndexSearcher searcher) toString()Methods inherited from class org.apache.lucene.search.DoubleValuesSource
constant, fromDoubleField, fromField, fromFloatField, fromIntField, fromLongField, fromQuery, fromScorer, getSortField, similarityToQueryVector, similarityToQueryVector, toLongValuesSource, toSortableLongDoubleValuesSource
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Constructor Details
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CachingDoubleValueSource
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Method Details
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toString
- Specified by:
toStringin classDoubleValuesSource
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getValues
public DoubleValues getValues(LeafReaderContext readerContext, DoubleValues scores) throws IOException - Specified by:
getValuesin classDoubleValuesSource- Throws:
IOException
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needsScores
public boolean needsScores()- Specified by:
needsScoresin classDoubleValuesSource
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isCacheable
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explain
public Explanation explain(LeafReaderContext ctx, int docId, Explanation scoreExplanation) throws IOException - Overrides:
explainin classDoubleValuesSource- Throws:
IOException
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rewrite
- Specified by:
rewritein classDoubleValuesSource- Throws:
IOException
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equals
- Specified by:
equalsin classDoubleValuesSource
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hashCode
public int hashCode()- Specified by:
hashCodein classDoubleValuesSource
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