Module org.apache.lucene.queries

Package org.apache.lucene.queries.spans

Class SpanContainingQuery

java.lang.Object

org.apache.lucene.search.Query

org.apache.lucene.queries.spans.SpanQuery

org.apache.lucene.queries.spans.SpanContainQuery

org.apache.lucene.queries.spans.SpanContainingQuery

All Implemented Interfaces:

Cloneable

public final class SpanContainingQuery
extends SpanContainQuery

Keep matches that contain another SpanScorer.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	SpanContainingQuery.SpanContainingWeight	Creates SpanContainingQuery scorer instances

Nested classes/interfaces inherited from class org.apache.lucene.queries.spans.SpanContainQuery

SpanContainQuery.SpanContainWeight

Field Summary

Fields inherited from class org.apache.lucene.queries.spans.SpanContainQuery

big, little

Constructor Summary

Constructors

Constructor	Description
SpanContainingQuery(SpanQuery big, SpanQuery little)	Construct a SpanContainingQuery matching spans from big that contain at least one spans from little.

Method Summary

Modifier and Type	Method	Description
SpanWeight	createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)	Expert: Constructs an appropriate Weight implementation for this query.
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.queries.spans.SpanContainQuery

equals, getBig, getField, getLittle, hashCode, rewrite, toString, visit

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

Methods inherited from class java.lang.Object

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

Constructor Details

SpanContainingQuery

public SpanContainingQuery(SpanQuery big,
 SpanQuery little)

Construct a SpanContainingQuery matching spans from big that contain at least one spans from little. This query has the boost of big. big and little must be in the same field.

Method Details

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

createWeight

public SpanWeight createWeight(IndexSearcher searcher,
 ScoreMode scoreMode,
 float boost)
                        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.

Specified by:

createWeight in class SpanQuery

Parameters:

scoreMode - How the produced scorers will be consumed.

boost - The boost that is propagated by the parent queries.

Throws:

IOException