public class SpanNearQuery extends SpanQuery implements Cloneable
Modifier and Type | Field and Description |
---|---|
protected List<SpanQuery> |
clauses |
protected String |
field |
protected boolean |
inOrder |
protected int |
slop |
Constructor and Description |
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SpanNearQuery(SpanQuery[] clauses,
int slop,
boolean inOrder)
Construct a SpanNearQuery.
|
SpanNearQuery(SpanQuery[] clausesIn,
int slop,
boolean inOrder,
boolean collectPayloads) |
Modifier and Type | Method and Description |
---|---|
SpanNearQuery |
clone()
Returns a clone of this query.
|
boolean |
equals(Object o)
Returns true iff
o is equal to this. |
void |
extractTerms(Set<Term> terms)
Extract terms from these spans.
|
SpanQuery[] |
getClauses()
Return the clauses whose spans are matched.
|
String |
getField()
Returns the name of the field matched by this query.
|
int |
getSlop()
Return the maximum number of intervening unmatched positions permitted.
|
Spans |
getSpans(LeafReaderContext context,
Bits acceptDocs,
Map<Term,TermContext> termContexts)
Expert: Returns the matches for this query in an index.
|
int |
hashCode() |
boolean |
isInOrder()
Return true if matches are required to be in-order.
|
Query |
rewrite(IndexReader reader)
Expert: called to re-write queries into primitive queries.
|
String |
toString(String field)
Prints a query to a string, with
field assumed to be the
default field and omitted. |
createWeight
protected int slop
protected boolean inOrder
protected String field
public SpanNearQuery(SpanQuery[] clauses, int slop, boolean inOrder)
slop
total unmatched positions between
them.
inOrder
is true, the spans from each clause
must be in the same order as in clauses
and must be non-overlapping.
inOrder
is false, the spans from each clause
need not be ordered and may overlap.clauses
- the clauses to find near each other, in the same field, at least 2.slop
- The slop valueinOrder
- true if order is importantpublic SpanNearQuery(SpanQuery[] clausesIn, int slop, boolean inOrder, boolean collectPayloads)
public SpanQuery[] getClauses()
public int getSlop()
public boolean isInOrder()
public String getField()
SpanQuery
Note that this may return null if the query matches no terms.
public void extractTerms(Set<Term> terms)
SpanQuery
extractTerms
in class SpanQuery
Weight.extractTerms(java.util.Set<org.apache.lucene.index.Term>)
public String toString(String field)
Query
field
assumed to be the
default field and omitted.public Spans getSpans(LeafReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts) throws IOException
SpanQuery
getSpans
in class SpanQuery
IOException
public Query rewrite(IndexReader reader) throws IOException
Query
rewrite
in class Query
IOException
public SpanNearQuery clone()
Query
public boolean equals(Object o)
o
is equal to this.Copyright © 2000-2015 Apache Software Foundation. All Rights Reserved.