Package org.apache.lucene.search.spans
Class SpanQuery
- java.lang.Object
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- org.apache.lucene.search.Query
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- org.apache.lucene.search.spans.SpanQuery
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- All Implemented Interfaces:
Serializable
,Cloneable
- Direct Known Subclasses:
FieldMaskingSpanQuery
,SpanMultiTermQueryWrapper
,SpanNearQuery
,SpanNotQuery
,SpanOrQuery
,SpanPositionCheckQuery
,SpanTermQuery
public abstract class SpanQuery extends Query
Base class for span-based queries.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description SpanQuery()
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description Weight
createWeight(Searcher searcher)
Expert: Constructs an appropriate Weight implementation for this query.abstract String
getField()
Returns the name of the field matched by this query.abstract Spans
getSpans(IndexReader reader)
Expert: Returns the matches for this query in an index.-
Methods inherited from class org.apache.lucene.search.Query
clone, combine, equals, extractTerms, getBoost, getSimilarity, hashCode, mergeBooleanQueries, rewrite, setBoost, toString, toString, weight
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Method Detail
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getSpans
public abstract Spans getSpans(IndexReader reader) throws IOException
Expert: Returns the matches for this query in an index. Used internally to search for spans.- Throws:
IOException
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getField
public abstract String getField()
Returns the name of the field matched by this query.
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createWeight
public Weight createWeight(Searcher searcher) throws IOException
Description copied from class:Query
Expert: Constructs an appropriate Weight implementation for this query.Only implemented by primitive queries, which re-write to themselves.
- Overrides:
createWeight
in classQuery
- Throws:
IOException
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