Package org.apache.lucene.misc.search
Class DocValuesStats.DoubleDocValuesStats
java.lang.Object
org.apache.lucene.misc.search.DocValuesStats<Double>
org.apache.lucene.misc.search.DocValuesStats.NumericDocValuesStats<Double>
org.apache.lucene.misc.search.DocValuesStats.DoubleDocValuesStats
- Enclosing class:
DocValuesStats<T>
public static final class DocValuesStats.DoubleDocValuesStats
extends DocValuesStats.NumericDocValuesStats<Double>
Holds DocValues statistics for a numeric field storing
double values.-
Nested Class Summary
Nested classes/interfaces inherited from class org.apache.lucene.misc.search.DocValuesStats
DocValuesStats.DoubleDocValuesStats, DocValuesStats.LongDocValuesStats, DocValuesStats.NumericDocValuesStats<T extends Number>, DocValuesStats.SortedDocValuesStats, DocValuesStats.SortedDoubleDocValuesStats, DocValuesStats.SortedLongDocValuesStats, DocValuesStats.SortedNumericDocValuesStats<T extends Number>, DocValuesStats.SortedSetDocValuesStats -
Field Summary
Fields inherited from class org.apache.lucene.misc.search.DocValuesStats.NumericDocValuesStats
mean, ndv, varianceFields inherited from class org.apache.lucene.misc.search.DocValuesStats
field, max, min -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected voiddoAccumulate(int count) Called afterDocValuesStats.accumulate(int)was processed and verified that the document has a value for the field.sum()Returns the sum of values of the field.Methods inherited from class org.apache.lucene.misc.search.DocValuesStats.NumericDocValuesStats
hasValue, init, mean, stdev, variance
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Constructor Details
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DoubleDocValuesStats
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Method Details
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doAccumulate
Description copied from class:DocValuesStatsCalled afterDocValuesStats.accumulate(int)was processed and verified that the document has a value for the field. Implementations should update the statistics based on the value of the current document.- Specified by:
doAccumulatein classDocValuesStats<Double>- Parameters:
count- the updated number of documents with value for this field.- Throws:
IOException
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sum
Description copied from class:DocValuesStats.NumericDocValuesStatsReturns the sum of values of the field. Note that if the values are large, thesummight overflow.- Specified by:
sumin classDocValuesStats.NumericDocValuesStats<Double>
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