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java.lang.Object org.apache.lucene.search.Query org.apache.lucene.search.spans.SpanQuery org.apache.lucene.search.spans.SpanFirstQuery
public class SpanFirstQuery
Matches spans near the beginning of a field.
Constructor Summary | |
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SpanFirstQuery(SpanQuery match,
int end)
Construct a SpanFirstQuery matching spans in match whose end
position is less than or equal to end . |
Method Summary | |
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Object |
clone()
Returns a clone of this query. |
boolean |
equals(Object o)
|
void |
extractTerms(Set<Term> terms)
Expert: adds all terms occurring in this query to the terms set. |
int |
getEnd()
Return the maximum end position permitted in a match. |
String |
getField()
Returns the name of the field matched by this query. |
SpanQuery |
getMatch()
Return the SpanQuery whose matches are filtered. |
Spans |
getSpans(IndexReader reader)
Expert: Returns the matches for this query in an index. |
int |
hashCode()
|
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. |
Methods inherited from class org.apache.lucene.search.spans.SpanQuery |
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createWeight |
Methods inherited from class org.apache.lucene.search.Query |
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combine, getBoost, getSimilarity, mergeBooleanQueries, setBoost, toString, weight |
Methods inherited from class java.lang.Object |
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finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public SpanFirstQuery(SpanQuery match, int end)
match
whose end
position is less than or equal to end
.
Method Detail |
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public SpanQuery getMatch()
public int getEnd()
public String getField()
SpanQuery
getField
in class SpanQuery
public String toString(String field)
Query
field
assumed to be the
default field and omitted.
The representation used is one that is supposed to be readable
by QueryParser
. However,
there are the following limitations:
toString
in class Query
public Object clone()
Query
clone
in class Query
public void extractTerms(Set<Term> terms)
Query
rewritten
form.
extractTerms
in class Query
public Spans getSpans(IndexReader reader) throws IOException
SpanQuery
getSpans
in class SpanQuery
IOException
public Query rewrite(IndexReader reader) throws IOException
Query
rewrite
in class Query
IOException
public boolean equals(Object o)
equals
in class Query
public int hashCode()
hashCode
in class Query
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