Package org.apache.lucene.misc.search

Class DocValuesStats.SortedDocValuesStats

java.lang.Object

org.apache.lucene.misc.search.DocValuesStats<BytesRef>

org.apache.lucene.misc.search.DocValuesStats.SortedDocValuesStats

Enclosing class:

DocValuesStats<T>

public static class DocValuesStats.SortedDocValuesStats
extends DocValuesStats<BytesRef>

Holds statistics for a sorted DocValues field.

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

Modifier and Type	Field	Description
protected SortedDocValues	sdv

Fields inherited from class org.apache.lucene.misc.search.DocValuesStats

field, max, min

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SortedDocValuesStats(String field)

Method Summary

Modifier and Type	Method	Description
protected void	doAccumulate(int count)	Called after DocValuesStats.accumulate(int) was processed and verified that the document has a value for the field.
protected boolean	hasValue(int doc)	Returns whether the given document has a value for the requested DocValues field.
protected boolean	init(LeafReaderContext context)	Initializes this object with the given reader context.

Methods inherited from class org.apache.lucene.misc.search.DocValuesStats

count, field, max, min, missing

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

sdv

protected SortedDocValues sdv

Constructor Detail

SortedDocValuesStats

protected SortedDocValuesStats(String field)

Method Detail

init

protected final boolean init(LeafReaderContext context)
                      throws IOException

Description copied from class: DocValuesStats

Initializes this object with the given reader context. Returns whether stats can be computed for this segment (i.e. it does have the requested DocValues field).

Specified by:

init in class DocValuesStats<BytesRef>

Throws:

IOException

hasValue

protected final boolean hasValue(int doc)
                          throws IOException

Description copied from class: DocValuesStats

Returns whether the given document has a value for the requested DocValues field.

Specified by:

hasValue in class DocValuesStats<BytesRef>

Throws:

IOException

doAccumulate

protected void doAccumulate(int count)
                     throws IOException

Description copied from class: DocValuesStats

Called after DocValuesStats.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:

doAccumulate in class DocValuesStats<BytesRef>

Parameters:

count - the updated number of documents with value for this field.

Throws:

IOException