Class FilteredIntervalsSource
java.lang.Object
org.apache.lucene.queries.intervals.IntervalsSource
org.apache.lucene.queries.intervals.FilteredIntervalsSource
An IntervalsSource that filters the intervals from another IntervalsSource
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Field Summary
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Constructor Summary
ConstructorsConstructorDescriptionFilteredIntervalsSource(String name, IntervalsSource in) Create a new FilteredIntervalsSource -
Method Summary
Modifier and TypeMethodDescriptionprotected abstract booleanbooleaninthashCode()intervals(String field, LeafReaderContext ctx) Create anIntervalIteratorexposing the minimum intervals defined by thisIntervalsSourcematches(String field, LeafReaderContext ctx, int doc) Return aMatchesIteratorover the intervals defined by thisIntervalsSourcefor a given document and fieldstatic IntervalsSourcemaxGaps(IntervalsSource in, int maxGaps) static IntervalsSourcemaxWidth(IntervalsSource in, int maxWidth) intReturn the minimum possible width of an interval returned by this sourceExpert: return the set of disjunctions that make up this IntervalsSourcetoString()voidvisit(String field, QueryVisitor visitor) Expert: visit the tree of sources
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Field Details
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in
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Constructor Details
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FilteredIntervalsSource
Create a new FilteredIntervalsSource- Parameters:
name- the name of the filterin- the source to filter
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Method Details
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maxGaps
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maxWidth
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accept
- Returns:
falseif the current interval should be filtered out
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intervals
Description copied from class:IntervalsSourceCreate anIntervalIteratorexposing the minimum intervals defined by thisIntervalsSourceReturns
nullif no intervals for this field exist in this segment- Specified by:
intervalsin classIntervalsSource- Parameters:
field- the field to read positions fromctx- the context for which to return the iterator- Throws:
IOException
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matches
public IntervalMatchesIterator matches(String field, LeafReaderContext ctx, int doc) throws IOException Description copied from class:IntervalsSourceReturn aMatchesIteratorover the intervals defined by thisIntervalsSourcefor a given document and fieldReturns
nullif no intervals exist in the given document and field- Specified by:
matchesin classIntervalsSource- Parameters:
field- the field to read positions fromctx- the document's contextdoc- the document to return matches for- Throws:
IOException
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minExtent
public int minExtent()Description copied from class:IntervalsSourceReturn the minimum possible width of an interval returned by this source- Specified by:
minExtentin classIntervalsSource
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pullUpDisjunctions
Description copied from class:IntervalsSourceExpert: return the set of disjunctions that make up this IntervalsSourceMost implementations can return
Collections.singleton(this)- Specified by:
pullUpDisjunctionsin classIntervalsSource
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visit
Description copied from class:IntervalsSourceExpert: visit the tree of sources- Specified by:
visitin classIntervalsSource
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equals
- Specified by:
equalsin classIntervalsSource
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hashCode
public int hashCode()- Specified by:
hashCodein classIntervalsSource
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toString
- Specified by:
toStringin classIntervalsSource
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