Module org.apache.lucene.sandbox
Package org.apache.lucene.sandbox.search
Class CombinedFieldQuery.CombinedFieldWeight
- java.lang.Object
-
- org.apache.lucene.search.Weight
-
- org.apache.lucene.sandbox.search.CombinedFieldQuery.CombinedFieldWeight
-
- All Implemented Interfaces:
SegmentCacheable
- Enclosing class:
- CombinedFieldQuery
class CombinedFieldQuery.CombinedFieldWeight 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 IndexSearcher
searcher
private Similarity.SimScorer
simWeight
private TermStates[]
termStates
-
Fields inherited from class org.apache.lucene.search.Weight
parentQuery
-
-
Constructor Summary
Constructors Constructor Description CombinedFieldWeight(Query query, IndexSearcher searcher, ScoreMode scoreMode, float boost)
-
Method Summary
All Methods Instance Methods Concrete Methods 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)
Matches
matches(LeafReaderContext context, int doc)
ReturnsMatches
for a specific document, ornull
if the document does not match the parent queryprivate CollectionStatistics
mergeCollectionStatistics(IndexSearcher searcher)
Scorer
scorer(LeafReaderContext context)
Returns aScorer
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, scorerSupplier
-
-
-
-
Field Detail
-
searcher
private final IndexSearcher searcher
-
termStates
private final TermStates[] termStates
-
simWeight
private final Similarity.SimScorer simWeight
-
-
Constructor Detail
-
CombinedFieldWeight
CombinedFieldWeight(Query query, IndexSearcher searcher, ScoreMode scoreMode, float boost) throws java.io.IOException
- Throws:
java.io.IOException
-
-
Method Detail
-
mergeCollectionStatistics
private CollectionStatistics mergeCollectionStatistics(IndexSearcher searcher) throws java.io.IOException
- Throws:
java.io.IOException
-
matches
public Matches matches(LeafReaderContext context, int doc) throws java.io.IOException
Description copied from class:Weight
ReturnsMatches
for a specific document, ornull
if the document does not match the parent queryA query match that contains no position information (for example, a Point or DocValues query) will return
MatchesUtils.MATCH_WITH_NO_TERMS
-
explain
public Explanation explain(LeafReaderContext context, int doc) throws java.io.IOException
Description copied from class:Weight
An explanation of the score computation for the named document.- Specified by:
explain
in classWeight
- Parameters:
context
- the readers context to create theExplanation
for.doc
- the document's id relative to the given context's reader- Returns:
- an Explanation for the score
- Throws:
java.io.IOException
- if anIOException
occurs
-
scorer
public Scorer scorer(LeafReaderContext context) throws java.io.IOException
Description copied from class:Weight
Returns aScorer
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 haveLeafReader.getLiveDocs()
applied, they need to be checked on top.- Specified by:
scorer
in classWeight
- Parameters:
context
- theLeafReaderContext
for which to return theScorer
.- Returns:
- a
Scorer
which scores documents in/out-of order. - Throws:
java.io.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
-
-