Module org.apache.lucene.queries
Class MinimizingConjunctionIntervalsSource
java.lang.Object
org.apache.lucene.queries.intervals.IntervalsSource
org.apache.lucene.queries.intervals.MinimizingConjunctionIntervalsSource
- Direct Known Subclasses:
OrderedIntervalsSource
,UnorderedIntervalsSource
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Nested Class Summary
Nested ClassesModifier and TypeClassDescription(package private) static interface
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Field Summary
Fields -
Constructor Summary
ConstructorsModifierConstructorDescriptionprotected
MinimizingConjunctionIntervalsSource
(List<IntervalsSource> subSources) -
Method Summary
Modifier and TypeMethodDescription(package private) static MinimizingConjunctionIntervalsSource.MatchCallback
protected abstract IntervalIterator
combine
(List<IntervalIterator> iterators, MinimizingConjunctionIntervalsSource.MatchCallback onMatch) 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 fieldvoid
visit
(String field, QueryVisitor visitor) Expert: visit the tree of sourcesMethods inherited from class org.apache.lucene.queries.intervals.IntervalsSource
equals, hashCode, minExtent, pullUpDisjunctions, toString
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Field Details
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subSources
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Constructor Details
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MinimizingConjunctionIntervalsSource
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Method Details
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combine
protected abstract IntervalIterator combine(List<IntervalIterator> iterators, MinimizingConjunctionIntervalsSource.MatchCallback onMatch) -
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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visit
Description copied from class:IntervalsSource
Expert: visit the tree of sources- Specified by:
visit
in classIntervalsSource
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cacheIterators
static MinimizingConjunctionIntervalsSource.MatchCallback cacheIterators(Collection<CachingMatchesIterator> its)
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