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
,OrderedIntervalsSource
,OverlappingIntervalsSource
,UnorderedIntervalsSource
abstract class ConjunctionIntervalsSource extends IntervalsSource
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Nested Class Summary
Nested Classes Modifier and Type Class Description private static class
ConjunctionIntervalsSource.ConjunctionMatchesIterator
private static class
ConjunctionIntervalsSource.SingletonMatchesIterator
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Field Summary
Fields Modifier and Type Field Description protected boolean
isMinimizing
protected java.util.List<IntervalsSource>
subSources
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Constructor Summary
Constructors Modifier Constructor Description protected
ConjunctionIntervalsSource(java.util.List<IntervalsSource> subSources, boolean isMinimizing)
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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)
IntervalIterator
intervals(java.lang.String field, LeafReaderContext ctx)
Create anIntervalIterator
exposing the minimum intervals defined by thisIntervalsSource
Returnsnull
if no intervals for this field exist in this segmentMatchesIterator
matches(java.lang.String field, LeafReaderContext ctx, int doc)
Return aMatchesIterator
over the intervals defined by thisIntervalsSource
for a given document and field Returnsnull
if no intervals exist in the 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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isMinimizing
protected final boolean isMinimizing
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Constructor Detail
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ConjunctionIntervalsSource
protected ConjunctionIntervalsSource(java.util.List<IntervalsSource> subSources, boolean isMinimizing)
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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
Returnsnull
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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matches
public final MatchesIterator 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 field Returnsnull
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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