org.apache.lucene.search.spans

Class SpanWithinQuery

java.lang.Object

org.apache.lucene.search.Query

org.apache.lucene.search.spans.SpanQuery

org.apache.lucene.search.spans.SpanWithinQuery

All Implemented Interfaces:

Cloneable

public class SpanWithinQuery
extends SpanQuery

Keep matches that are contained within another Spans.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	SpanWithinQuery.SpanWithinWeight

Constructor Summary

Constructors

Constructor and Description
SpanWithinQuery(SpanQuery big, SpanQuery little) Construct a SpanWithinQuery matching spans from little that are inside of big.

Method Summary

Methods

Modifier and Type	Method and Description
SpanWithinQuery	clone() Returns a clone of this query.
SpanWeight	createWeight(IndexSearcher searcher, boolean needsScores) Create a SpanWeight for this query
boolean	equals(Object o)
String	getField() Returns the name of the field matched by this query.
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

getTermContexts, getTermContexts

Methods inherited from class org.apache.lucene.search.Query

getBoost, setBoost, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

SpanWithinQuery

public SpanWithinQuery(SpanQuery big,
               SpanQuery little)

Construct a SpanWithinQuery matching spans from little that are inside of big. This query has the boost of little. big and little must be in the same field.

Method Detail

toString

public String toString(String field)

Description copied from class: Query

Prints a query to a string, with field assumed to be the default field and omitted.

Specified by:

toString in class Query

clone

public SpanWithinQuery clone()

Description copied from class: Query

Returns a clone of this query.

createWeight

public SpanWeight createWeight(IndexSearcher searcher,
                      boolean needsScores)
                        throws IOException

Description copied from class: SpanQuery

Create a SpanWeight for this query

Specified by:

createWeight in class SpanQuery

Parameters:

searcher - the IndexSearcher to be searched across

needsScores - if the query needs scores

Returns:

a SpanWeight

Throws:

IOException - on error

getField

public String getField()

Description copied from class: SpanQuery

Returns the name of the field matched by this query.

Specified by:

getField in class SpanQuery

rewrite

public Query rewrite(IndexReader reader)
              throws IOException

Description copied from class: Query

Expert: called to re-write queries into primitive queries. For example, a PrefixQuery will be rewritten into a BooleanQuery that consists of TermQuerys.

Overrides:

rewrite in class Query

Throws:

IOException

equals

public boolean equals(Object o)

Overrides:

equals in class Query

hashCode

public int hashCode()

Overrides:

hashCode in class Query