Module org.apache.lucene.queries

Package org.apache.lucene.queries.function

Class FunctionRangeQuery.FunctionRangeWeight

java.lang.Object

org.apache.lucene.search.Weight

org.apache.lucene.queries.function.FunctionRangeQuery.FunctionRangeWeight

All Implemented Interfaces:

SegmentCacheable

Enclosing class:

FunctionRangeQuery

private class FunctionRangeQuery.FunctionRangeWeight
extends Weight

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.search.Weight

Weight.DefaultBulkScorer

Field Summary

Fields

Modifier and Type	Field	Description
private final Map<Object,Object>	vsContext

Fields inherited from class org.apache.lucene.search.Weight

parentQuery

Constructor Summary

Constructors

Constructor	Description
FunctionRangeWeight(IndexSearcher searcher)

Method Summary

Modifier and Type	Method	Description
Explanation	explain(LeafReaderContext context, int doc)	An explanation of the score computation for the named document.
boolean	isCacheable(LeafReaderContext ctx)
ValueSourceScorer	scorer(LeafReaderContext context)	Returns a Scorer which can iterate in order over all matching documents and assign them a score.

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

bulkScorer, count, getQuery, matches, scorerSupplier

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

vsContext

private final Map<Object,Object> vsContext

Constructor Details

FunctionRangeWeight

public FunctionRangeWeight(IndexSearcher searcher)
                    throws IOException

Throws:

IOException

Method Details

explain

public Explanation explain(LeafReaderContext context,
 int doc)
                    throws IOException

Description copied from class: Weight

An explanation of the score computation for the named document.

Specified by:

explain in class Weight

Parameters:

context - the readers context to create the Explanation for.

doc - the document's id relative to the given context's reader

Returns:

an Explanation for the score

Throws:

IOException - if an IOException occurs

scorer

public ValueSourceScorer scorer(LeafReaderContext context)
                         throws IOException

Description copied from class: Weight

Returns a Scorer which can iterate in order over all matching documents and assign them a score.

NOTE: null can be returned if no documents will be scored by this query.

NOTE: The returned Scorer does not have LeafReader.getLiveDocs() applied, they need to be checked on top.

Specified by:

scorer in class Weight

Parameters:

context - the LeafReaderContext for which to return the Scorer.

Returns:

a Scorer which scores documents in/out-of order.

Throws:

IOException - if there is a low-level I/O error

isCacheable

public boolean isCacheable(LeafReaderContext ctx)

Returns:

true if the object can be cached against a given leaf