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
ConstructorDescriptionFilteredIntervalsSource
(String name, IntervalsSource in) Create a new FilteredIntervalsSource -
Method Summary
Modifier and TypeMethodDescriptionprotected abstract boolean
boolean
int
hashCode()
intervals
(String field, LeafReaderContext ctx) Create anIntervalIterator
exposing the minimum intervals defined by thisIntervalsSource
matches
(String field, LeafReaderContext ctx, int doc) Return aMatchesIterator
over the intervals defined by thisIntervalsSource
for a given document and fieldstatic IntervalsSource
maxGaps
(IntervalsSource in, int maxGaps) static IntervalsSource
maxWidth
(IntervalsSource in, int maxWidth) int
Return the minimum possible width of an interval returned by this sourceExpert: return the set of disjunctions that make up this IntervalsSourcetoString()
void
visit
(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:
false
if the current interval should be filtered out
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intervals
Description copied from class:IntervalsSource
Create anIntervalIterator
exposing the minimum intervals defined by thisIntervalsSource
Returns
null
if no intervals for this field exist in this segment- Specified by:
intervals
in 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:IntervalsSource
Return aMatchesIterator
over the intervals defined by thisIntervalsSource
for a given document and fieldReturns
null
if no intervals exist in the given document and field- Specified by:
matches
in 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:IntervalsSource
Return the minimum possible width of an interval returned by this source- Specified by:
minExtent
in classIntervalsSource
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pullUpDisjunctions
Description copied from class:IntervalsSource
Expert: return the set of disjunctions that make up this IntervalsSourceMost implementations can return
Collections.singleton(this)
- Specified by:
pullUpDisjunctions
in classIntervalsSource
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visit
Description copied from class:IntervalsSource
Expert: visit the tree of sources- Specified by:
visit
in classIntervalsSource
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equals
- Specified by:
equals
in classIntervalsSource
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hashCode
public int hashCode()- Specified by:
hashCode
in classIntervalsSource
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toString
- Specified by:
toString
in classIntervalsSource
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