Module org.apache.lucene.queries
Class ConjunctionIntervalsSource
- java.lang.Object
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- org.apache.lucene.queries.intervals.IntervalsSource
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- org.apache.lucene.queries.intervals.ConjunctionIntervalsSource
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- Direct Known Subclasses:
BlockIntervalsSource
,ContainedByIntervalsSource
,ContainingIntervalsSource
,OverlappingIntervalsSource
abstract class ConjunctionIntervalsSource extends IntervalsSource
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Field Summary
Fields Modifier and Type Field Description protected java.util.List<IntervalsSource>
subSources
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Constructor Summary
Constructors Modifier Constructor Description protected
ConjunctionIntervalsSource(java.util.List<IntervalsSource> subSources)
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description protected abstract IntervalIterator
combine(java.util.List<IntervalIterator> iterators)
protected IntervalMatchesIterator
createMatchesIterator(IntervalIterator it, java.util.List<IntervalMatchesIterator> subs)
Create matches iterator from an advanced and validated interval iterator and a list of matches iterator of all the sub-sourcesIntervalIterator
intervals(java.lang.String field, LeafReaderContext ctx)
Create anIntervalIterator
exposing the minimum intervals defined by thisIntervalsSource
IntervalMatchesIterator
matches(java.lang.String field, LeafReaderContext ctx, int doc)
Return aMatchesIterator
over the intervals defined by thisIntervalsSource
for a given document and fieldvoid
visit(java.lang.String field, QueryVisitor visitor)
Expert: visit the tree of sources-
Methods inherited from class org.apache.lucene.queries.intervals.IntervalsSource
equals, hashCode, minExtent, pullUpDisjunctions, toString
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Field Detail
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subSources
protected final java.util.List<IntervalsSource> subSources
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Constructor Detail
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ConjunctionIntervalsSource
protected ConjunctionIntervalsSource(java.util.List<IntervalsSource> subSources)
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Method Detail
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visit
public void visit(java.lang.String field, QueryVisitor visitor)
Description copied from class:IntervalsSource
Expert: visit the tree of sources- Specified by:
visit
in classIntervalsSource
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intervals
public final IntervalIterator intervals(java.lang.String field, LeafReaderContext ctx) throws java.io.IOException
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:
java.io.IOException
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combine
protected abstract IntervalIterator combine(java.util.List<IntervalIterator> iterators)
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createMatchesIterator
protected IntervalMatchesIterator createMatchesIterator(IntervalIterator it, java.util.List<IntervalMatchesIterator> subs)
Create matches iterator from an advanced and validated interval iterator and a list of matches iterator of all the sub-sources
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matches
public final IntervalMatchesIterator matches(java.lang.String field, LeafReaderContext ctx, int doc) throws java.io.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:
java.io.IOException
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