Package org.apache.lucene.queries.spans
Class SpanNotQuery
java.lang.Object
org.apache.lucene.search.Query
org.apache.lucene.queries.spans.SpanQuery
org.apache.lucene.queries.spans.SpanNotQuery
Removes matches which overlap with another SpanQuery or which are within x tokens before or y
tokens after another SpanQuery.
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Nested Class Summary
Modifier and TypeClassDescriptionclass
Creates SpanNotQuery scorer instances -
Constructor Summary
ConstructorDescriptionSpanNotQuery
(SpanQuery include, SpanQuery exclude) Construct a SpanNotQuery matching spans frominclude
which have no overlap with spans fromexclude
.SpanNotQuery
(SpanQuery include, SpanQuery exclude, int dist) Construct a SpanNotQuery matching spans frominclude
which have no overlap with spans fromexclude
withindist
tokens ofinclude
.SpanNotQuery
(SpanQuery include, SpanQuery exclude, int pre, int post) Construct a SpanNotQuery matching spans frominclude
which have no overlap with spans fromexclude
withinpre
tokens before orpost
tokens ofinclude
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Method Summary
Modifier and TypeMethodDescriptioncreateWeight
(IndexSearcher searcher, ScoreMode scoreMode, float boost) boolean
Returns true iffo
is equal to this.Return the SpanQuery whose matches must not overlap those returned.getField()
Returns the name of the field matched by this query.Return the SpanQuery whose matches are filtered.int
hashCode()
rewrite
(IndexSearcher indexSearcher) void
visit
(QueryVisitor visitor) Methods inherited from class org.apache.lucene.queries.spans.SpanQuery
getTermStates, getTermStates
Methods inherited from class org.apache.lucene.search.Query
classHash, rewrite, sameClassAs, toString
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Constructor Details
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SpanNotQuery
Construct a SpanNotQuery matching spans frominclude
which have no overlap with spans fromexclude
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SpanNotQuery
Construct a SpanNotQuery matching spans frominclude
which have no overlap with spans fromexclude
withindist
tokens ofinclude
. Inversely, a negativedist
value may be used to specify a certain amount of allowable overlap. -
SpanNotQuery
Construct a SpanNotQuery matching spans frominclude
which have no overlap with spans fromexclude
withinpre
tokens before orpost
tokens ofinclude
. Inversely, negative values forpre
and/orpost
allow a certain amount of overlap to occur.
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Method Details
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getInclude
Return the SpanQuery whose matches are filtered. -
getExclude
Return the SpanQuery whose matches must not overlap those returned. -
getField
Description copied from class:SpanQuery
Returns the name of the field matched by this query. -
toString
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createWeight
public SpanWeight createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost) throws IOException - Specified by:
createWeight
in classSpanQuery
- Throws:
IOException
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rewrite
- Overrides:
rewrite
in classQuery
- Throws:
IOException
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visit
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equals
Returns true iffo
is equal to this. -
hashCode
public int hashCode()
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